K05 Factory-verified

Chevrolet · Regular Production Option

Heater, engine block

Years 1963–81, 1983–10, 2014–27 Models 98 Factory citations 468

Query this via API →

Also described as Engine block heaterEngine Block HeaterHeater, engine coolant

Also documented for Buick Cadillac GMC Hummer Oldsmobile Pontiac Saturn

Documented applications

Camaro

1968–1969 Factory-verified

from Oct 67

GM Heritage factory kit — 1969 Chevrolet Camaro, p.159.
1970–1981 Confirmed

Chevelle / El Camino

1968–1970 Factory-verified

GM Heritage factory kit — 1969 Chevrolet Chevelle, p.12.
GM Heritage factory kit — 1970 Chevrolet Chevelle, p.85.

Corvette (C3)

1969 Factory-verified

$10.55; 824 built (price and count: Corvette Black Book)

GM Heritage factory kit — 1969 Chevrolet Corvette, p.87.

Impala / Full-Size

1963–70s (varies) Confirmed

Nova / Chevy II

1968–1969, 1973–1979 Factory-verified

GM Heritage factory kit — 1969 Chevrolet Nova, p.67.

C/K Trucks

1967–72 Confirmed

—

Astro — First generation (1985–1994)

1987, 1988 Factory-verified

the kit pages print engine block heater, 600 watts, 120 volts; included with V10; the 1986 page prints only KOS, so 1986 is left out.

GM Heritage factory kit — 1987 Chevrolet Astro Van, p.27.
GM Heritage factory kit — 1988 Chevrolet Astro Van, p.7.

Astro — Second generation (1995–2005)

1998–2001, 2004, 2005 Factory-verified

2004 and 2005 lists read "Engine Block Heater".

GM factory document — 1998 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2000 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2001 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet astro 2wd rpo code list, p.1.

Avalanche — GMT800 (2002–2006)

2002–2006 Factory-verified

GM factory document — 2002 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet avalanche 2wd rpo code list, p.1.
GM Heritage factory kit — 2002 Chevrolet Avalanche, p.54.
GM Heritage factory kit — 2003 Chevrolet Avalanche, p.123.
GM Heritage factory kit — 2005 Chevrolet Avalanche, p.33.

Avalanche — GMT900 (2007–2013)

2007–2009 Factory-verified

GM factory document — 2007 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet avalanche 2wd rpo code list, p.1.
GM Heritage factory kit — 2007 Chevrolet Avalanche, p.30.

Aveo — T200 (2004–2008)

2004–2006, 2008 Factory-verified

kits: Engine block heater; ; ; ;

GM Heritage factory kit — 2004 Chevrolet Aveo, p.24.
GM Heritage factory kit — 2005 Chevrolet Aveo, p.25.
GM Heritage factory kit — 2006 Chevrolet Aveo, p.25.
GM factory document — 2008 chevrolet aveo rpo code list, p.1.

Aveo — T250 (2009–2011)

2009 Factory-verified

GM factory document — 2009 chevrolet aveo rpo code list, p.1.

Beretta — L-body (1987–1996)

1988–1989, 1991, 1994, 1996 Factory-verified

the 1991 and 1996 pages print KO5; the 1990, 1992, 1993 and 1995 pages print KOS, so those years are not claimed

GM Heritage factory kit — 1988 Chevrolet Beretta, p.33.
GM Heritage factory kit — 1989 Chevrolet Beretta, p.33.
GM Heritage factory kit — 1991 Chevrolet Beretta, p.49.
GM Heritage factory kit — 1994 Chevrolet Beretta, p.12.
GM Heritage factory kit — 1996 Chevrolet Beretta, p.10.

Blazer — C1XX (2019–2026)

2019, 2025–2026 Factory-verified

2LT, 3LT, RS: O; Premier: O (2025 only)

GM factory document — 2019 chevrolet all new blazer fleet order guide wayback, p.4.
GM factory document — 2025 chevrolet blazer fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet blazer fleet order guide, p.16.
GM factory document — 2026 chevrolet blazer fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet blazer fleet order guide, p.13.

Blazer (full-size, K5) — Square body (1983–1991)

1983–1986 Factory-verified

600 watt, 120 volt; not with B3J diesel equipment; included with V10; the 1983 and 1985 pages print KO5

GM Heritage factory kit — 1983 Chevrolet Blazer, p.9.
GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6.
GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11.
GM Heritage factory kit — 1986 Chevrolet Blazer, p.12.

S-10 Blazer — First generation (1983–1994)

1983–1989 Factory-verified

600 watt, 120 volt; the 1989 option line prints KO5

GM Heritage factory kit — 1983 Chevrolet S 10 Blazer, p.7.
GM Heritage factory kit — 1984 Chevrolet S 10 Blazer, p.8.
GM Heritage factory kit — 1985 Chevrolet S 10 Blazer, p.30.
GM Heritage factory kit — 1986 Chevrolet S 10 Blazer, p.8.
GM Heritage factory kit — 1987 Chevrolet S 10 Blazer, p.14.
GM Heritage factory kit — 1988 Chevrolet S 10 Blazer, p.10.
GM Heritage factory kit — 1989 Chevrolet Blazer, p.17.

Blazer — S-10 second generation (1995–2005)

1998–2005 Factory-verified

1998–1999 lists read engine coolant heater

GM factory document — 1998 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 1999 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2000 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2001 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2002 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2003 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2004 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2005 chevrolet blazer 4wd rpo code list, p.1.

Camaro — Gen 3 (1982–1992)

1983–1986, 1988–1992 Factory-verified

several pages print KO5 (letter O)

GM Heritage factory kit — 1983 Chevrolet Camaro, p.35.
GM Heritage factory kit — 1984 Chevrolet Camaro, p.4.
GM Heritage factory kit — 1985 Chevrolet Camaro, p.22.
GM Heritage factory kit — 1986 Chevrolet Camaro, p.22.
GM Heritage factory kit — 1988 Chevrolet Camaro, p.30.
GM Heritage factory kit — 1989 Chevrolet Camaro, p.35.
GM Heritage factory kit — 1990 Chevrolet Camaro, p.37.
GM Heritage factory kit — 1991 Chevrolet Camaro, p.27.
GM Heritage factory kit — 1992 Chevrolet Camaro, p.91.

Camaro — Gen 4 (1993–2002)

1998–2002 Factory-verified

the 1993 (pp.87, 88) and 1997 (p.73) kit pages print the code as KOS, an OCR reading of K05 that the citation check does not accept, so those years are not claimed; the 1994–1996 kit pages do not show it, which does not mean it was not offered;

GM factory document — 1998 chevrolet camaro rpo code list, p.1.
GM factory document — 1999 chevrolet camaro rpo code list, p.1.
GM factory document — 2000 chevrolet camaro rpo code list, p.1.
GM factory document — 2001 chevrolet camaro rpo code list, p.1.
GM factory document — 2002 chevrolet camaro rpo code list, p.1.

Camaro — Gen 5 Zeta (2010–2015)

2014 Confirmed

GM Authority 2014 RPO list

Camaro — Gen 6 Alpha (2016–2024)

2016, 2019 Factory-verified

GM factory document — 2016 chevrolet camaro fleet order guide wayback, p.1.
GM factory document — 2019 chevrolet camaro fleet order guide wayback, p.7.

Caprice — third generation, B-body (1983–1990)

1986–1990 Factory-verified

the 1990 guide prints KO5

GM Heritage factory kit — 1986 Chevrolet Caprice, p.41.
GM Heritage factory kit — 1987 Chevrolet Caprice, p.44.
GM Heritage factory kit — 1988 Chevrolet Caprice, p.66.
GM Heritage factory kit — 1989 Chevrolet Caprice, p.42.
GM Heritage factory kit — 1990 Chevrolet Caprice, p.9.

Caprice — fourth generation, B-body (1991–1996)

1992, 1995–1996 Factory-verified

Canada only (1991 guide); the 1992 sheet prints KO5; the 1991 and 1994 sheets print KOS (an S for the 5), so those years are left out

GM Heritage factory kit — 1992 Chevrolet Caprice, p.44.
GM Heritage factory kit — 1995 Chevrolet Caprice, p.7.
GM Heritage factory kit — 1996 Chevrolet Caprice, p.11.

Cavalier — first generation (1982–1987)

1984–1987 Factory-verified

the 1984 and 1986 pages print KO5

GM Heritage factory kit — 1984 Chevrolet Cavalier, p.12.
GM Heritage factory kit — 1985 Chevrolet Cavalier, p.35.
GM Heritage factory kit — 1986 Chevrolet Cavalier, p.37.
GM Heritage factory kit — 1987 Chevrolet Cavalier, p.37.

Cavalier — second generation (1988–1994)

1989, 1991–1992, 1994 Factory-verified

GM Heritage factory kit — 1989 Chevrolet Cavalier, p.16.
GM Heritage factory kit — 1991 Chevrolet Cavalier, p.11.
GM Heritage factory kit — 1992 Chevrolet Cavalier, p.13.
GM Heritage factory kit — 1994 Chevrolet Cavalier, p.4.

Cavalier — third generation (1995–2005)

1995–2005 Factory-verified

printed KO5 in the 1999–2005 service lists

GM factory document — 1998 chevrolet cavalier rpo code list, p.1.
GM Heritage factory kit — 1995 Chevrolet Cavalier, p.8.
GM Heritage factory kit — 2005 Chevrolet Cavalier, p.90.

Celebrity — A-body (1982–1990)

1989 Factory-verified

GM Heritage factory kit — 1989 Chevrolet Celebrity, p.6.

C/K pickup — GMT400 (1988–2000)

1988, 1989, 1998–2000 Factory-verified

GM factory document — 1998 chevrolet chevy c pickup 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet chevy c pickup 2wd rpo code list, p.1.
GM factory document — 2000 chevrolet chevy c pickup 2wd rpo code list, p.1.
GM Heritage factory kit — 1988 Chevrolet Truck, p.140.
GM Heritage factory kit — 1989 Chevrolet Truck, p.31.

C/K pickup — Square body (1983–1991)

1985–1987 Factory-verified

600 watt, 120 volt; included with V10; the kit pages also print KO5

GM Heritage factory kit — 1985 Chevrolet Truck, p.42.
GM Heritage factory kit — 1986 Chevrolet Truck, p.158.
GM Heritage factory kit — 1987 Chevrolet Truck, p.58.

Cobalt — Delta (2005–2010)

2005–2009 Factory-verified

GM factory document — 2005 chevrolet cobalt rpo code list, p.1.
GM factory document — 2006 chevrolet cobalt rpo code list, p.1.
GM factory document — 2007 chevrolet cobalt rpo code list, p.1.
GM factory document — 2008 chevrolet cobalt rpo code list, p.1.
GM factory document — 2009 chevrolet cobalt rpo code list, p.1.
GM Heritage factory kit — 2005 Chevrolet Cobalt, p.40.
GM Heritage factory kit — 2007 Chevrolet Cobalt, p.29.

Colorado — Second generation (GMT31XX) (2015–2022)

2015–2019, 2021–2022 Factory-verified

2015: O on all trims; 2018 from GM's 2018 Colorado order guide (PDF); 2021 from the upfitter list GM files for 2021 and 2022

GM factory document — 2015 chevrolet colorado fleet order guide wayback, p.4.
GM factory document — 2016 chevrolet canyon colorado electrical body builders manual service manual 2016 en us, p.10.
GM factory document — 2017 chevrolet canyon colorado electrical body builders manual service manual 2017 en us, p.11.
GM factory document — 2019 chevrolet 19 coloradocanyon body builder sm u 2018aug01 1, p.11.
GM factory document — 2022 chevrolet 22 canyon colorado electrical body builder sm en us 2021oct15, p.11.
GM factory document — 2018 chevrolet colorado order guide copy gm authority, p.37.

Colorado — Third generation (2023–2027)

2023–2027 Factory-verified

O on all trims

GM factory document — 2023 chevrolet 23colorado electrical body builder, p.11.
GM factory document — 2024 chevrolet 24colorado electrical body builder manual 18272478 2023oct09, p.12.
GM factory document — 2025 chevrolet colorado fleet order guide, p.49.
GM factory document — 2026 chevrolet colorado fleet order guide, p.56.
GM factory document — 2027 chevrolet colorado fleet order guide, p.54.

Colorado — GMT355 (2004–2012)

2004–2009 Factory-verified

GM factory document — 2004 chevrolet colorado pickup 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet colorado pickup 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet colorado pickup 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet colorado pickup 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet colorado pickup 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet colorado pickup 2wd rpo code list, p.1.

Corsica — L-body (1987–1996)

1988–1989, 1992–1996 Factory-verified

the 1992, 1993 and 1996 pages print KO5; the 1989 option-weight page prints KOS, but the 1989 LTZ order-guide page prints K05; the 1990 and 1991 pages print KOS, so those years are not claimed; same description as beretta-gen1

GM Heritage factory kit — 1988 Chevrolet Corsica, p.31.
GM Heritage factory kit — 1989 Chevrolet Corsica, p.11.
GM Heritage factory kit — 1992 Chevrolet Corsica, p.41.
GM Heritage factory kit — 1993 Chevrolet Corsica, p.39.
GM Heritage factory kit — 1994 Chevrolet Corsica, p.10.
GM Heritage factory kit — 1995 Chevrolet Corsica, p.8.
GM Heritage factory kit — 1996 Chevrolet Corsica, p.6.

Corvette — C4 (1984–1996)

1988–1990, 1992, 1994, 1996 Factory-verified

Canada only (1992 and later lists); 1994 calls it the engine coolant heater; the 1993 and 1995 pages print KOs and KOS, so 1993 and 1995 are not claimed; the 1990, 1992, 1994 pages print KO5

GM Heritage factory kit — 1988 Chevrolet Corvette, p.32.
GM Heritage factory kit — 1989 Chevrolet Corvette, p.32.
GM Heritage factory kit — 1990 Chevrolet Corvette, p.16.
GM Heritage factory kit — 1992 Chevrolet Corvette, p.32.
GM Heritage factory kit — 1994 Chevrolet Corvette, p.63.
GM Heritage factory kit — 1996 Chevrolet Corvette, p.62.

Corvette — C5 (1997–2004)

1997–2004 Factory-verified

the 1997–1998 lists add "(Canadian)" and the 1999–2000 lists print "Heater, Coolant"

GM factory document — 1997 chevrolet corvette rpo code list, p.1.
GM factory document — 1998 chevrolet corvette rpo code list, p.1.
GM factory document — 1999 chevrolet corvette rpo code list, p.1.
GM factory document — 2000 chevrolet corvette rpo code list, p.1.
GM factory document — 2001 chevrolet corvette rpo code list, p.1.
GM factory document — 2002 chevrolet corvette rpo code list, p.1.
GM factory document — 2003 chevrolet corvette rpo code list, p.1.
GM factory document — 2004 chevrolet corvette rpo code list, p.1.

Corvette — C6 (2005–2013)

2005–2008 Factory-verified

GM factory document — 2005 chevrolet corvette rpo code list, p.1.
GM factory document — 2006 chevrolet corvette rpo code list, p.1.
GM factory document — 2007 chevrolet corvette rpo code list, p.1.
GM factory document — 2008 chevrolet corvette rpo code list, p.1.
GM Heritage factory kit — 2005 Chevrolet Corvette, p.22.
GM Heritage factory kit — 2006 Chevrolet Corvette, p.25.

Cruze — second generation (2016–2019)

2018–2019 Factory-verified

2018: sedan O: L, 1SA, 1SB, 1SC, 1SD, 1SF; hatch O: 1SC, 1SD, 1SF; 2019: sedan O: L, 1SB, 1SD, 1SF; hatch O: 1SB, 1SD, 1SF

GM factory document — 2018 chevrolet cruze order guide copy gm authority, p.66, p.69, p.85.
GM factory document — 2019 chevrolet cruze order guide june 1 2018 copy gm authority, p.49, p.52, p.69.

El Camino — fifth generation (1983–1987)

1983–1987 Factory-verified

600 watts, 120 volts (1984 on); 1983–1984: included with V10; the 1986 and 1987 order guides print KO5 (letter O)

GM Heritage factory kit — 1983 Chevrolet El Camino, p.6.
GM Heritage factory kit — 1984 Chevrolet El Camino, p.6.
GM Heritage factory kit — 1985 Chevrolet El Camino, p.12.
GM Heritage factory kit — 1986 Chevrolet El Camino, p.6.
GM Heritage factory kit — 1987 Chevrolet El Camino, p.41.

Equinox — first generation (2005–2009)

2005–2009 Factory-verified

GM factory document — 2005 chevrolet equinox rpo code list, p.1.
GM factory document — 2006 chevrolet equinox rpo code list, p.1.
GM factory document — 2007 chevrolet equinox rpo code list, p.1.
GM factory document — 2008 chevrolet equinox rpo code list, p.1.
GM factory document — 2009 chevrolet equinox rpo code list, p.1.

Equinox — Second generation (2010–2017)

2015 Factory-verified

O on all trims

GM factory document — 2015 chevrolet equinox fleet order guide wayback, p.4.
2017 Factory-verified

O on all trims

GM factory document — 2017 chevrolet equinox order guide copy gm authority, p.25.

Equinox — Third generation (D2XX) (2018–2024)

2018–2019 Factory-verified

GM factory document — 2018 chevrolet equinox order guide revised october 21 2016 copy gm authority, p.57.
GM factory document — 2019 chevrolet equinox order guide april 6 2018 copy gm authority, p.117.

Equinox — Fourth generation (2025–2027)

2025–2027 Factory-verified

O on all trims

GM factory document — 2025 chevrolet all new equinox fleet order guide, p.13.
GM factory document — 2026 chevrolet equinox fleet order guide, p.12.
GM factory document — 2027 chevrolet equinox fleet order guide, p.12.

Express — GMT600 (1996–2002)

1998–2002 Factory-verified

the 2001–2002 lists print KO5, a letter O, and read "Engine Block Heater"; GM's other lists print K05 for the same part

GM factory document — 1998 chevrolet express rpo code list, p.1.
GM factory document — 1999 chevrolet express rpo code list, p.1.
GM factory document — 2000 chevrolet express rpo code list, p.1.
GM factory document — 2001 chevrolet express rpo code list, p.1.
GM factory document — 2002 chevrolet express rpo code list, p.1.

Express — GMT610 (2003–2027)

2003, 2006–2010, 2014–2018, 2022–2027 Factory-verified

the 2003 list reads Engine Block Heater; the 2025–2027 guides read Engine block heater; O: Cargo 1WT, Cutaway 1WT, Cutaway 2WT (2025–2026), Passenger 1LS, Passenger 1LT

GM factory document — 2003 chevrolet express rpo code list, p.1.
GM factory document — 2006 chevrolet express rpo code list, p.1.
GM factory document — 2007 chevrolet express awd rpo code list, p.1.
GM factory document — 2008 chevrolet express rpo code list, p.1.
GM factory document — 2009 chevrolet express rpo code list, p.1.
GM factory document — 2010 chevrolet gh van elec 1 7 d1 100813, p.15.
GM factory document — 2014 chevrolet gh van elec bbm si brief, p.6.
GM factory document — 2015 chevrolet express savana electrical body builders manual service manual 2015 en us, p.13.
GM factory document — 2016 chevrolet express savana electrical body builders manual service manual 2016 en us, p.8.
GM factory document — 2017 chevrolet express savana electrical body builders manual service manual 2017 en us, p.8.
GM factory document — 2018 chevrolet 18 express savana bodybuilders sm 2017nov06, p.16.
GM factory document — 2022 chevrolet 22 express savana electrical body builder sm en us 2021oct12, p.13.
GM factory document — 2023 chevrolet 23 express savana body builder sm en us 2022sep13, p.14.
GM factory document — 2024 chevrolet 24 express savana body builder manual 18553161 2023oct26, p.14.
GM factory document — 2025 chevrolet my25 express savana electrical bbm, p.11.
GM factory document — 2025 chevrolet express cargo fleet order guide, p.15.
GM factory document — 2025 chevrolet express cutaway fleet order guide, p.43.
GM factory document — 2025 chevrolet express passenger fleet order guide, p.12.
GM factory document — 2026 chevrolet my26 express savana electrical bbm, p.11.
GM factory document — 2026 chevrolet express cargo fleet order guide, p.15.
GM factory document — 2026 chevrolet express cutaway fleet order guide, p.46.
GM factory document — 2026 chevrolet express passenger fleet order guide, p.25.
GM factory document — 2027 chevrolet express cargo fleet order guide, p.15.
GM factory document — 2027 chevrolet express cutaway fleet order guide, p.21.
GM factory document — 2027 chevrolet express passenger fleet order guide, p.23.

Chevy Van — Second generation G-series (1983–1996)

1983, 1984, 1986, 1988, 1989 Factory-verified

600 watts, 120 volts; the 1989 page prints KO5; 1984 from the 1984 data book pages in the kit file labelled 1985.

GM Heritage factory kit — 1983 Chevrolet Vandura, p.15.
GM Heritage factory kit — 1985 Chevrolet G Van, p.20.
GM Heritage factory kit — 1986 Chevrolet G Van, p.65.
GM Heritage factory kit — 1988 Chevrolet Vandura, p.22.
GM Heritage factory kit — 1989 Chevrolet G Van, p.17.

HHR (2006–2011)

2006–2009 Factory-verified

GM factory document — 2006 chevrolet hhr rpo code list, p.1.
GM factory document — 2007 chevrolet hhr rpo code list, p.1.
GM factory document — 2008 chevrolet hhr rpo code list, p.1.
GM factory document — 2009 chevrolet hhr rpo code list, p.1.
GM Heritage factory kit — 2006 Chevrolet HHR, p.103, p.110, p.117.

Impala — tenth generation (2014–2020)

2014–2016 Factory-verified

all trims: O

GM factory document — 2014 chevrolet impala fleet order guide wayback, p.4.
GM factory document — 2015 chevrolet impala fleet order guide wayback, p.4.
GM factory document — 2016 chevrolet impala fleet order guide wayback, p.4.

Impala SS — seventh generation (1994–1996)

1994–1996 Factory-verified

the 1994 and 1995 sheets and the 1996 guide print KO5; the 1995 guide prints KOS (an S for the 5), so 1995 rests on the weight sheet

GM Heritage factory kit — 1994 Chevrolet Impala, p.4, p.59.
GM Heritage factory kit — 1995 Chevrolet Impala, p.42.
GM Heritage factory kit — 1996 Chevrolet Impala, p.11, p.46.

Impala — eighth generation (2000–2005)

2000–2005 Factory-verified

GM factory document — 2000 chevrolet impala rpo code list, p.1.
GM factory document — 2001 chevrolet impala rpo code list, p.1.
GM factory document — 2002 chevrolet impala rpo code list, p.1.
GM factory document — 2003 chevrolet impala rpo code list, p.1.
GM factory document — 2004 chevrolet impala rpo code list, p.1.
GM factory document — 2005 chevrolet impala rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Impala, p.43.
GM Heritage factory kit — 2004 Chevrolet Impala, p.30.

Impala — ninth generation (2006–2016)

2006–2009 Factory-verified

GM factory document — 2006 chevrolet impala rpo code list, p.1.
GM factory document — 2007 chevrolet impala rpo code list, p.1.
GM factory document — 2008 chevrolet impala rpo code list, p.1.
GM factory document — 2009 chevrolet impala rpo code list, p.1.

Lumina APV — U-body (1990–1996)

1993, 1995 Factory-verified

the 1993 page prints KO5; the 1991, 1992, 1994 and 1996 pages print KOS, so those years are not claimed

GM Heritage factory kit — 1993 Chevrolet LuminaAPV, p.40.
GM Heritage factory kit — 1995 Chevrolet LuminaAPV, p.77.

Lumina — first generation, W-body (1990–1994)

1993–1994 Factory-verified

the 1992 page prints KO5; 1991, 1992 are not claimed: the pages that print it (1991 p.73; 1992 p.55) carry no readable model-year field

GM Heritage factory kit — 1993 Chevrolet Lumina, p.72.
GM Heritage factory kit — 1994 Chevrolet Lumina, p.42.

Lumina — second generation (1995–2001)

1995–2001 Factory-verified

The 1997 and 1999 kits print it KO5 (letter O) on some pages and the 1995 mass sheet prints KOS; the zero form is the code.

GM factory document — 1998 chevrolet lumina rpo code list, p.1.
GM factory document — 1999 chevrolet lumina rpo code list, p.1.
GM factory document — 2000 chevrolet lumina rpo code list, p.1.
GM factory document — 2001 chevrolet lumina rpo code list, p.1.
GM Heritage factory kit — 1995 Chevrolet Lumina, p.10.
GM Heritage factory kit — 1995 Chevrolet Lumina, p.12.
GM Heritage factory kit — 1996 Chevrolet Lumina, p.18.
GM Heritage factory kit — 1996 Chevrolet Lumina, p.22.
GM Heritage factory kit — 1997 Chevrolet Lumina, p.69.
GM Heritage factory kit — 1999 Chevrolet Lumina, p.12.
GM Heritage factory kit — 1999 Chevrolet Lumina, p.14.

Malibu — fourth generation, A-body (1983)

1983 Factory-verified

not with NA6 emissions; wagon: not with LF9; the sedan page's restriction continues in garbled text that probably also names LT6/LF9

GM Heritage factory kit — 1983 Chevrolet Malibu, p.21.
GM Heritage factory kit — 1983 Chevrolet Malibu, p.23.

Malibu — Fifth generation (1997–2005)

1997–2005 Factory-verified

the 1999–2000 lists print KO5; K05 in GM's other lists. the 1998 list prints "Heater, Eng Blk". 1997 from the Malibu kit order guide.

GM factory document — 1998 chevrolet malibu rpo code list, p.1.
GM factory document — 1999 chevrolet malibu rpo code list, p.1.
GM factory document — 2000 chevrolet malibu rpo code list, p.1.
GM factory document — 2001 chevrolet malibu rpo code list, p.1.
GM factory document — 2002 chevrolet malibu rpo code list, p.1.
GM factory document — 2003 chevrolet malibu rpo code list, p.1.
GM factory document — 2004 chevrolet classic rpo code list, p.1.
GM factory document — 2005 chevrolet classic rpo code list, p.1.
GM Heritage factory kit — 1997 Chevrolet Malibu, p.12.
GM Heritage factory kit — 1998 Chevrolet Malibu, p.6.
GM Heritage factory kit — 1999 Chevrolet Malibu, p.27.
GM Heritage factory kit — 2003 Chevrolet Malibu, p.81.

Malibu — Sixth generation, Epsilon (2004–2008)

2004–2008 Factory-verified

the 2004 list prints Engine Block Heater. shared Epsilon code.

GM factory document — 2004 chevrolet malibu rpo code list, p.1.
GM factory document — 2005 chevrolet malibu rpo code list, p.1.
GM factory document — 2006 chevrolet malibu rpo code list, p.1.
GM factory document — 2007 chevrolet malibu rpo code list, p.1.
GM factory document — 2008 chevrolet malibu classic rpo code list, p.1.
GM Heritage factory kit — 2004 Chevrolet Malibu, p.37.
GM Heritage factory kit — 2005 Chevrolet Malibu, p.22.
GM Heritage factory kit — 2006 Chevrolet Malibu, p.28.
GM Heritage factory kit — 2007 Chevrolet Malibu, p.28.

Malibu — Epsilon II (2008–2012)

2008–2009 Factory-verified

GM factory document — 2008 chevrolet malibu rpo code list, p.1.
GM factory document — 2009 chevrolet malibu rpo code list, p.1.

Malibu — eighth generation (2013–2016)

2015–2016 Factory-verified

all trims: O

GM factory document — 2015 chevrolet malibu fleet order guide wayback, p.4.
GM factory document — 2016 chevrolet malibu limited fleet order guide wayback, p.4.

Malibu — ninth generation (2016–2025)

2016 Factory-verified

all trims: O; GM's 2016 Malibu order guide

GM factory document — 2016 chevrolet malibu order guide copy gm authority, p.10.
2025 Factory-verified

all trims: O

GM factory document — 2025 chevrolet malibu fleet order guide, p.17.

Monte Carlo — fourth generation (1983–1988)

1983–1988 Factory-verified

included with V10 (1983–1984); some kit pages print KO5

GM Heritage factory kit — 1983 Chevrolet Monte Carlo, p.37.
GM Heritage factory kit — 1984 Chevrolet Monte Carlo, p.36.
GM Heritage factory kit — 1985 Chevrolet Monte Carlo, p.30.
GM Heritage factory kit — 1986 Chevrolet Monte Carlo, p.32.
GM Heritage factory kit — 1987 Chevrolet Monte Carlo, p.42.
GM Heritage factory kit — 1988 Chevrolet Monte Carlo, p.79.

Monte Carlo — fifth generation, W-body (1995–1999)

1995–1999 Factory-verified

The 1998 order guide for the Z34 prints it KO5 (letter O); the codes elsewhere read K05.

GM factory document — 1998 chevrolet monte carlo rpo code list, p.1.
GM factory document — 1999 chevrolet monte carlo rpo code list, p.1.
GM Heritage factory kit — 1995 Chevrolet Monte Carlo, p.13.
GM Heritage factory kit — 1996 Chevrolet Monte Carlo, p.78.
GM Heritage factory kit — 1997 Chevrolet Monte Carlo, p.92.

Monte Carlo — sixth generation (2000–2007)

2000–2007 Factory-verified

Also in the kit's Monte Carlo order guide.

GM factory document — 2000 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2001 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2002 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2003 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2004 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2005 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2006 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2007 chevrolet monte carlo rpo code list, p.1.
GM Heritage factory kit — 2003 Chevrolet Monte Carlo, p.97.
GM Heritage factory kit — 2005 Chevrolet Monte Carlo, p.101.
GM Heritage factory kit — 2006 Chevrolet Monte Carlo, p.117.

Motor Home chassis (1983–1998)

1986–1989, 1992–1993 Factory-verified

not available with B3J diesel equipment

GM Heritage factory kit — 1986 Chevrolet Motorhome, p.11.
GM Heritage factory kit — 1987 Chevrolet Motorhome, p.15.
GM Heritage factory kit — 1988 Chevrolet Motorhome, p.12.
GM Heritage factory kit — 1989 Chevrolet Motorhome, p.9.
GM Heritage factory kit — 1992 Chevrolet Motorhome, p.13.
GM Heritage factory kit — 1993 Chevrolet Motorhome, p.11.

S-10 pickup — First generation (1982–1993)

1983, 1986–1989 Factory-verified

600 watt, 120 volt (1986–1988)

GM Heritage factory kit — 1983 Chevrolet S 10, p.31.
GM Heritage factory kit — 1986 Chevrolet S 10, p.15.
GM Heritage factory kit — 1987 Chevrolet S 10, p.22.
GM Heritage factory kit — 1988 Chevrolet S 10, p.19.
GM Heritage factory kit — 1989 Chevrolet S 10, p.36.

S-10 pickup — Second generation (1994–2004)

1998–2004 Factory-verified

1998–1999 lists read engine coolant heater. The 2002–2004 lists read as the 2001 list.

GM factory document — 1998 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 1999 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 2000 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 2001 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 2002 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 2003 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 2004 chevrolet s10 pickup 4wd rpo code list, p.1.

Silverado 1500 — Fifth generation (2027)

2027 Factory-verified

GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide, p.12.

Silverado — GMT800 (1999–2007)

1999–2007 Factory-verified

GM factory document — 1999 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Truck and Silverado, p.57.
GM Heritage factory kit — 2007 Chevrolet Silverado, p.60.

Silverado — GMT900 (2007–2013)

2009 Factory-verified

GM factory document — 2009 chevrolet silverado 2wd rpo code list, p.1.

Silverado HD — GMT800 (2001–2007)

2001–2007 Factory-verified

GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.
GM Heritage factory kit — 2001 Chevrolet Silverado HD, p.62.
GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.41.
GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.193.

Silverado HD — GMT900 (2007–2014)

2007–2009, 2014 Factory-verified

GM factory document — 2007 chevrolet silverado 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet silverado 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet silverado 2wd rpo code list, p.1.
GM factory document — 2014 chevrolet silverado 3500hd cc fleet order guide wayback, p.4.

Silverado HD — K2XX (2015–2019)

2016–2019 Factory-verified

comes with the Duramax diesel; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide

GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4.
GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.26.
GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.38.
GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.37.

Silverado HD (T1XX, 2020–2027)

2023, 2025–2027 Factory-verified

GM factory document — 2023 chevrolet 23silverado 2500 3500hd electrical body builder sm en us 2022oct12, p.11.
GM factory document — 2025 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.

Silverado — K2XX (2014–2019)

2015, 2017–2019 Factory-verified

GM factory document — 2015 chevrolet silverado 1500 fleet order guide wayback, p.1.
GM factory document — 2017 chevrolet sierra silverado electrical body builders manual service manual 2017 en us, p.22.
GM factory document — 2018 chevrolet silverado 1500 fleet order guide copy gm authority, p.87, p.214.
GM factory document — 2019 chevrolet silverado 1500 ld double cab fleet order guide copy gm authority, p.17, p.48.

Silverado Medium Duty (GM515, 2019–2026)

2025–2026 Factory-verified

GM factory document — 2025 chevrolet silverado 4500 hd 5500 hd and 6500 hd fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 4500 hd 5500 hd and 6500 hd fleet order guide rpo codes, p.1.

Silverado — T1XX (2019–2026)

2020, 2022–2026 Factory-verified

GM factory document — 2020 chevrolet silverado 1500 fleet order guide wayback, p.1.
GM factory document — 2022 chevrolet 22 silverado 1500 new electrical body builder 042822, p.11.
GM factory document — 2023 chevrolet 23 silverado 1500 electrical body builder sm en us 2022oct24, p.11.
GM factory document — 2024 chevrolet 24 silverado1500 electrical body builder 2023nov29, p.14.
GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

Spark — M400 (2016–2022)

2017–2019 Factory-verified

all trims: O; 2018 from GM's 2018 order guide

GM factory document — 2017 chevrolet spark order guide copy gm authority, p.10, p.21.
GM factory document — 2018 chevrolet spark order guide copy gm authority, p.14, p.28.
GM factory document — 2019 chevrolet spark order guide copy gm authority, p.14, p.28.

Suburban — GMT400 (1992–1999)

1998–1999 Factory-verified

GM factory document — 1998 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet chevy suburban 2wd rpo code list, p.1.

Suburban — GMT800 (2000–2006)

2000–2006 Factory-verified

GM factory document — 2000 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2001 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet chevy suburban 2wd rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Suburban, p.47.
GM Heritage factory kit — 2001 Chevrolet Suburban, p.51.
GM Heritage factory kit — 2003 Chevrolet Suburban, p.38.
GM Heritage factory kit — 2004 Chevrolet Suburban, p.41.
GM Heritage factory kit — 2005 Chevrolet Suburban, p.162.

Suburban — GMT900 (2007–2014)

2007–2009, 2014 Factory-verified

Trim marks in the 2014 guide: LS, LT, LTZ: O.

GM factory document — 2007 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2014 chevrolet suburban fleet order guide wayback, p.4.
GM Heritage factory kit — 2007 Chevrolet Suburban, p.33, p.161.

Suburban — K2XX (2015–2020)

2015–2019 Factory-verified

A on all trims; 2018–2019 from GM's 2018 and 2019 Suburban order guides (GM Authority copies)

GM factory document — 2015 chevrolet suburban fleet order guide wayback, p.4.
GM factory document — 2016 chevrolet suburban fleet order guide wayback, p.4.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.9.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.22.
GM factory document — 2018 chevrolet suburban order guide copy gm authority, p.29.
GM factory document — 2019 chevrolet suburban order guide copy gm authority, p.30.

Suburban — Square body (1983–1991)

1983–1989 Factory-verified

600 watt, 120 volt; not with B3J; included with V10; the 1985, 1988 and 1989 pages print KO5

GM Heritage factory kit — 1983 Chevrolet Suburban, p.16.
GM Heritage factory kit — 1984 Chevrolet Suburban, p.22.
GM Heritage factory kit — 1985 Chevrolet Suburban, p.19.
GM Heritage factory kit — 1986 Chevrolet Suburban, p.20.
GM Heritage factory kit — 1987 Chevrolet Suburban, p.25.
GM Heritage factory kit — 1988 Chevrolet Suburban, p.18.
GM Heritage factory kit — 1989 Chevrolet Suburban, p.16.

Suburban — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: O on all trims

GM factory document — 2025 chevrolet new suburban fleet order guide, p.29.
GM factory document — 2026 chevrolet suburban fleet order guide, p.30.
GM factory document — 2027 chevrolet suburban fleet order guide, p.29.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.11.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.11.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.7.

Tahoe — GMT400 (1995–1999)

1998–1999 Factory-verified

GM factory document — 1998 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet tahoe 2wd rpo code list, p.1.

Tahoe — GMT800 (2000–2006)

2000–2006 Factory-verified

GM factory document — 2000 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2001 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet tahoe 2wd rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Tahoe, p.47.
GM Heritage factory kit — 2001 Chevrolet Tahoe, p.44.
GM Heritage factory kit — 2003 Chevrolet Tahoe, p.31.
GM Heritage factory kit — 2005 Chevrolet Tahoe, p.123.
GM Heritage factory kit — 2006 Chevrolet Tahoe, p.120.

Tahoe — GMT900 (2007–2014)

2007–2009, 2014 Factory-verified

Trim marks in the 2014 guides: Police: O; Special Service: O.

GM factory document — 2007 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2014 chevrolet tahoe police vehicle fleet order guide wayback, p.4.
GM factory document — 2014 chevrolet tahoe special service vehicle fleet order guide wayback, p.4.
GM Heritage factory kit — 2007 Chevrolet Tahoe, p.28, p.142.

Tahoe — K2XX (2015–2020)

2015–2019 Factory-verified

A on all trims; 2018–2019 from GM's 2018 and 2019 Tahoe order guides (GM Authority copies)

GM factory document — 2015 chevrolet tahoe fleet order guide wayback, p.5.
GM factory document — 2016 chevrolet tahoe fleet order guide wayback, p.4.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.9.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.22.
GM factory document — 2018 chevrolet tahoe order guide copy gm authority, p.30.
GM factory document — 2019 chevrolet tahoe order guide copy gm authority, p.31.

Tahoe — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: LS, LT, RST, Z71, Premier, High Country, Police Package, Special Service: O

GM factory document — 2025 chevrolet new tahoe retail and fleet fleet order guide, p.37.
GM factory document — 2026 chevrolet tahoe retail and fleet fleet order guide, p.40.
GM factory document — 2027 chevrolet tahoe retail and fleet fleet order guide, p.37.
GM factory document — 2027 chevrolet tahoe police package and special service fleet order guide, p.13.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.11.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.11.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.7.

Tracker — Second generation (1999–2004)

2001–2004 Factory-verified

the lists print K05 with the digit zero

GM factory document — 2001 chevrolet tracker 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet tracker 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet tracker 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet tracker 2wd rpo code list, p.1.

Trailblazer — First generation, VSS-F (2021–2027)

2025–2027 Factory-verified

all trims: O

GM factory document — 2025 chevrolet trailblazer fleet order guide, p.13.
GM factory document — 2026 chevrolet trailblazer fleet order guide, p.13.
GM factory document — 2027 chevrolet trailblazer limited fleet order guide, p.15.

TrailBlazer — GMT360 (2002–2009)

2002–2009 Factory-verified

GM Heritage factory kit — 2002 Chevrolet Trailblazer, p.28.
GM factory document — 2002 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet trailblazer 2wd rpo code list, p.1.

Traverse — First generation (2009–2017)

2009, 2015 Factory-verified

the 2015 guide reads engine block heater.

GM factory document — 2009 chevrolet traverse rpo code list, p.1.
GM factory document — 2015 chevrolet traverse fleet order guide wayback, p.3.

Traverse — C1XX (2018–2024)

2018–2019 Factory-verified

every trim but L: O

GM factory document — 2018 chevrolet traverse order guide copy gm authority, p.30, p.62.
GM factory document — 2019 chevrolet traverse order guide copy gm authority, p.45, p.90.

Traverse — Third generation (2024–2027)

2025–2027 Factory-verified

O on all trims

GM factory document — 2025 chevrolet traverse fleet order guide, p.36.
GM factory document — 2026 chevrolet traverse fleet order guide, p.38.
GM factory document — 2027 chevrolet traverse fleet order guide, p.37.

Trax — first US generation (2015–2022)

2022 Single-source

GM Authority's 2022 changes page says it replaced the oil pan heater (KPK), officially late in the 2021 model year; no GM document read

Trax — Second generation, VSS-F (2024–2026)

2025–2026 Factory-verified

all trims: O; includes the active front lower grille shutters (VRI)

GM factory document — 2025 chevrolet trax fleet order guide, p.15.
GM factory document — 2026 chevrolet trax fleet order guide, p.15.

Uplander (2005–2008)

2005–2008 Factory-verified

GM factory document — 2005 chevrolet uplander rpo code list, p.1.
GM factory document — 2006 chevrolet uplander rpo code list, p.1.
GM factory document — 2007 chevrolet uplander rpo code list, p.1.
GM factory document — 2008 chevrolet uplander rpo code list, p.1.

Venture — U-body minivan (1997–2005)

1997–2005 Factory-verified

GM factory document — 1998 chevrolet venture ext rpo code list, p.1.
GM factory document — 1999 chevrolet venture ext rpo code list, p.1.
GM factory document — 2000 chevrolet venture ext rpo code list, p.1.
GM factory document — 2001 chevrolet venture ext rpo code list, p.1.
GM factory document — 2002 chevrolet venture ext rpo code list, p.1.
GM factory document — 2003 chevrolet venture ext rpo code list, p.1.
GM factory document — 2004 chevrolet venture ext rpo code list, p.1.
GM factory document — 2005 chevrolet venture ext rpo code list, p.1.
GM Heritage factory kit — 1997 Chevrolet Venture, p.45.

This page aggregates every documented appearance of K05 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.