C49 Factory-verified

Chevrolet · Regular Production Option

Defogger, rear window, electric

Years 1963–10, 2014–27 Models 81 Factory citations 424

Also described as Rear window defogger (electric grid)Rear Window Defogger (code changed from C50)Rear Window DefoggerElectro-clear defoggerElectric rear window defoggerDefogger, rear-window, electricRear window defogger, electricRear-window defogger, electricDefogger, rear, electric, 60% rear door onlyDefogger, rear-windowDefogger, rear windowDefogger, rear-window electricRear-window defogger

Also documented for Buick Cadillac GMC Hummer Oldsmobile Pontiac Saturn

Documented applications

Camaro

mid-1970s–1981 Factory-verified

GM Heritage factory kit — 1981 Chevrolet Camaro, p.39.

Corvette (C3)

1976 Factory-verified

$78.00; 24,960 built

GM Heritage factory kit — 1976 Chevrolet Corvette, p.22.
1977 Factory-verified

$84.00; 30,411 built

GM Heritage factory kit — 1977 Chevrolet Corvette, p.48.
1978 Factory-verified

$95.00; 30,912 built

GM Heritage factory kit — 1978 Chevrolet Corvette, p.22.
1979 Factory-verified

$102.00; 41,587 built (price and count: Corvette Black Book)

GM Heritage factory kit — 1979 Chevrolet Corvette, p.32.
1980 Factory-verified

$109.00; 36,589 built

GM Heritage factory kit — 1980 Chevrolet Corvette, p.59.
1981 Factory-verified

$119.00; 36,893 built

GM Heritage factory kit — 1981 Chevrolet Corvette, p.5.
1982 Factory-verified

$129.00 ($129/$132 per CAC); 16,886 built

GM Heritage factory kit — 1982 Chevrolet Corvette, p.30.

Impala / Full-Size

1963–70s (varies) Confirmed

Monte Carlo

1978–1982 Factory-verified

GM Heritage factory kit — 1978 Chevrolet Monte Carlo, p.16.
GM Heritage factory kit — 1982 Chevrolet Monte Carlo, p.24.

Astro — First generation (1985–1994)

1993, 1994 Factory-verified

requires the E54 rear doors.

GM Heritage factory kit — 1993 Chevrolet Astro Van, p.12.
GM Heritage factory kit — 1994 Chevrolet Astro Van, p.10.

Astro — Second generation (1995–2005)

1995–2005 Factory-verified

GM Heritage factory kit — 1995 Chevrolet Astro Van, p.12.
GM Heritage factory kit — 1996 Chevrolet Astro Van, p.17.
GM Heritage factory kit — 1997 Chevrolet Astro Van, p.35.
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 — 2002 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2003 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.52.
GM Heritage factory kit — 2003 Chevrolet Avalanche, p.34.
GM Heritage factory kit — 2004 Chevrolet Avalanche, p.33.
GM Heritage factory kit — 2005 Chevrolet Avalanche, p.119.

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.137.

Aveo — T200 (2004–2008)

2005–2006, 2008 Factory-verified

the 2008 list reads back glass defogger with timer; kits: Defogger, rear-window, electric; ; ;

GM Heritage factory kit — 2005 Chevrolet Aveo, p.77.
GM Heritage factory kit — 2006 Chevrolet Aveo, p.78.
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)

1988–1996 Factory-verified

from 1994 the order guides require C49 or R9W; same description as cavalier-gen2 and cavalier-gen1; cavalier-gen3 reads C49 as "Rear-window defogger, electric"

GM Heritage factory kit — 1988 Chevrolet Beretta, p.33.
GM Heritage factory kit — 1989 Chevrolet Beretta, p.33.
GM Heritage factory kit — 1990 Chevrolet Beretta, p.13.
GM Heritage factory kit — 1991 Chevrolet Beretta, p.49.
GM Heritage factory kit — 1992 Chevrolet Beretta, p.48.
GM Heritage factory kit — 1993 Chevrolet Beretta, p.47.
GM Heritage factory kit — 1994 Chevrolet Beretta, p.12.
GM Heritage factory kit — 1995 Chevrolet Beretta, p.12.
GM Heritage factory kit — 1996 Chevrolet Beretta, p.10.

Blazer EV (2024–2027)

2025–2027 Factory-verified

GM factory document — 2025 chevrolet blazer ev fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet blazer ev fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet blazer ev fleet order guide rpo codes, p.1.

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

1983–1988 Factory-verified

includes K81 generator when ordered without C60 or V10

GM Heritage factory kit — 1983 Chevrolet S 10 Blazer, p.7.
GM Heritage factory kit — 1984 Chevrolet S 10 Blazer, p.21.
GM Heritage factory kit — 1985 Chevrolet S 10 Blazer, p.30.
GM Heritage factory kit — 1986 Chevrolet S 10 Blazer, p.7.
GM Heritage factory kit — 1987 Chevrolet S 10 Blazer, p.14.
GM Heritage factory kit — 1988 Chevrolet S 10 Blazer, p.10.

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

2000–2005 Factory-verified

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.

Bolt EV — first generation (2017–2023)

2017, 2023 Factory-verified

LT, Premier: S

GM factory document — 2017 chevrolet bolt ev fleet order guide wayback, p.2.
GM factory document — 2023 chevrolet 23 bolt ev body builder sm en us 2022aug26, p.9.
GM factory document — 2023 chevrolet 23 bolt euv body builder sm en us 2022aug29, p.9.
GM factory document — 2023 chevrolet bolt euv fleet order guide wayback, p.1.

Bolt — second generation (2027)

2027 Factory-verified

LT, RS: S

GM factory document — 2027 chevrolet new bolt fleet order guide, p.1.

Camaro — Gen 3 (1982–1992)

1982–1992 Factory-verified

GM Heritage factory kit — 1982 Chevrolet Camaro, p.30.
GM Heritage factory kit — 1983 Chevrolet Camaro, p.37.
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 — 1987 Chevrolet Camaro, p.15.
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.87.

Camaro — Gen 4 (1993–2002)

1993–2002 Factory-verified

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.
GM Heritage factory kit — 1993 Chevrolet Camaro, p.7.
GM Heritage factory kit — 1994 Chevrolet Camaro, p.63.
GM Heritage factory kit — 1995 Chevrolet Camaro, p.115.
GM Heritage factory kit — 1996 Chevrolet Camaro, p.115.
GM Heritage factory kit — 1997 Chevrolet Camaro, p.72.
GM Heritage factory kit — 1998 Chevrolet Camaro, p.73.

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

1984–1990 Factory-verified

GM Heritage factory kit — 1984 Chevrolet Caprice, p.37.
GM Heritage factory kit — 1985 Chevrolet Caprice, p.39.
GM Heritage factory kit — 1986 Chevrolet Caprice, p.40.
GM Heritage factory kit — 1987 Chevrolet Caprice, p.43.
GM Heritage factory kit — 1988 Chevrolet Caprice, p.10.
GM Heritage factory kit — 1989 Chevrolet Caprice, p.41.
GM Heritage factory kit — 1990 Chevrolet Caprice, p.9.

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

1991–1992, 1994–1996 Factory-verified

with heated outside mirrors in the higher equipment groups (1994–1995 guides)

GM Heritage factory kit — 1991 Chevrolet Caprice, p.4.
GM Heritage factory kit — 1992 Chevrolet Caprice, p.42.
GM Heritage factory kit — 1994 Chevrolet Caprice, p.64.
GM Heritage factory kit — 1995 Chevrolet Caprice, p.110.
GM Heritage factory kit — 1996 Chevrolet Caprice, p.112.

Cavalier — first generation (1982–1987)

1984, 1986, 1987 Factory-verified

not on the convertible; the 1985 line prints (49, so 1985 is left out

GM Heritage factory kit — 1984 Chevrolet Cavalier, p.12.
GM Heritage factory kit — 1986 Chevrolet Cavalier, p.36.
GM Heritage factory kit — 1987 Chevrolet Cavalier, p.36.

Cavalier — second generation (1988–1994)

1989–1992, 1994 Factory-verified

1991–1994: C49 or R9W must be ordered; the 1988 line prints (49, so 1988 is left out; the Cavalier third-generation doc reads C49 as rear-window defogger, electric

GM Heritage factory kit — 1989 Chevrolet Cavalier, p.12.
GM Heritage factory kit — 1990 Chevrolet Cavalier, p.31.
GM Heritage factory kit — 1991 Chevrolet Cavalier, p.13.
GM Heritage factory kit — 1992 Chevrolet Cavalier, p.11.
GM Heritage factory kit — 1994 Chevrolet Cavalier, p.2.

Cavalier — third generation (1995–2005)

1995–2005 Factory-verified

GM factory document — 1998 chevrolet cavalier rpo code list, p.1.
GM factory document — 2005 chevrolet cavalier rpo code list, p.1.
GM Heritage factory kit — 1995 Chevrolet Cavalier, p.8.
GM Heritage factory kit — 2005 Chevrolet Cavalier, p.81.

Celebrity — A-body (1982–1990)

1985, 1988–1990 Factory-verified

1984, 1986–1987 are not claimed: no dated page of those years prints the code as an entry of its own

GM Heritage factory kit — 1985 Chevrolet Celebrity, p.41.
GM Heritage factory kit — 1988 Chevrolet Celebrity, p.45.
GM Heritage factory kit — 1989 Chevrolet Celebrity, p.6, p.10.
GM Heritage factory kit — 1990 Chevrolet Celebrity, p.39.

Chevette — T-body (1983–1987)

1984–1986 Factory-verified

includes a larger alternator (K81 without air conditioning, K64 with C60 in 1984–1985)

GM Heritage factory kit — 1984 Chevrolet Chevette, p.29.
GM Heritage factory kit — 1985 Chevrolet Chevette, p.29.
GM Heritage factory kit — 1986 Chevrolet Chevette, p.27.

Citation — X-body (1983–1985)

1984–1985 Factory-verified

GM Heritage factory kit — 1984 Chevrolet Citation, p.33.
GM Heritage factory kit — 1985 Chevrolet Citation, p.32.

City Express (2015–2018)

2015–2018 Factory-verified

2018 guide: 1LS, 1LT: O, only with the ZW2, ZW3 or ZW6 glass

GM factory document — 2015 chevrolet city express electrical body builders manual service manual 2015 en us, p.7.
GM factory document — 2017 chevrolet city express electrical body builders manual service manual 2017 en us, p.7.
GM factory document — 2018 chevrolet 18 city express bodybuilders sm 2 w cvr pg, p.9.
GM factory document — 2018 chevrolet city express order guide copy gm authority, p.9, p.21.

C/K pickup — GMT400 (1988–2000)

1988–2000 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.35.
GM Heritage factory kit — 1990 Chevrolet Truck, p.36.
GM Heritage factory kit — 1991 Chevrolet Truck, p.36.
GM Heritage factory kit — 1992 Chevrolet Truck, p.34.
GM Heritage factory kit — 1993 Chevrolet Truck, p.14.
GM Heritage factory kit — 1994 Chevrolet Truck, p.8.
GM Heritage factory kit — 1995 Chevrolet Truck, p.13.
GM Heritage factory kit — 1996 Chevrolet Truck, p.24.
GM Heritage factory kit — 1997 Chevrolet Truck, p.102.

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

2015–2019, 2021–2022 Factory-verified

2015: Z71: S; LT: O; Base, WT: not offered; 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.2.
GM factory document — 2016 chevrolet canyon colorado electrical body builders manual service manual 2016 en us, p.7.
GM factory document — 2017 chevrolet canyon colorado electrical body builders manual service manual 2017 en us, p.9.
GM factory document — 2019 chevrolet 19 coloradocanyon body builder sm u 2018aug01 1, p.9.
GM factory document — 2022 chevrolet 22 canyon colorado electrical body builder sm en us 2021oct15, p.10.
GM factory document — 2018 chevrolet colorado order guide copy gm authority, p.3.

Colorado — Third generation (2023–2027)

2023–2027 Factory-verified

S on all trims

GM factory document — 2023 chevrolet 23colorado electrical body builder, p.10.
GM factory document — 2024 chevrolet 24colorado electrical body builder manual 18272478 2023oct09, p.11.
GM factory document — 2025 chevrolet colorado fleet order guide, p.29.
GM factory document — 2026 chevrolet colorado fleet order guide, p.33.
GM factory document — 2027 chevrolet colorado fleet order guide, p.32.

Corsica — L-body (1987–1996)

1989–1996 Factory-verified

from 1994 the order guides require C49 or R9W; the 1988 option-weight page prints 249, so 1988 is not claimed; same description as beretta-gen1; 1993 from the convenience page (the 1993 option-weight page p.38 is headed model year 1992 (footer MVMA-93), so it establishes no year)

GM Heritage factory kit — 1989 Chevrolet Corsica, p.47.
GM Heritage factory kit — 1990 Chevrolet Corsica, p.53.
GM Heritage factory kit — 1991 Chevrolet Corsica, p.39.
GM Heritage factory kit — 1992 Chevrolet Corsica, p.40.
GM Heritage factory kit — 1993 Chevrolet Corsica, p.31.
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)

1992–1993 Factory-verified

1989 is not claimed: only the preliminary 1989 engineering and product-direction pages print it

GM Heritage factory kit — 1992 Chevrolet Corvette, p.32.
GM Heritage factory kit — 1993 Chevrolet Corvette, p.17.

Express — GMT600 (1996–2002)

1998–2002 Factory-verified

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)

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

O on all trims; in the 2025–2027 guides only in the Cargo and Passenger guides

GM factory document — 2003 chevrolet express rpo code list, p.1.
GM factory document — 2004 chevrolet express awd rpo code list, p.1.
GM factory document — 2005 chevrolet express awd rpo code list, p.1.
GM factory document — 2006 chevrolet express awd 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.14.
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.11.
GM factory document — 2016 chevrolet express savana electrical body builders manual service manual 2016 en us, p.5.
GM factory document — 2017 chevrolet express savana electrical body builders manual service manual 2017 en us, p.5.
GM factory document — 2018 chevrolet 18 express savana bodybuilders sm 2017nov06, p.15.
GM factory document — 2022 chevrolet 22 express savana electrical body builder sm en us 2021oct12, p.12.
GM factory document — 2023 chevrolet 23 express savana body builder sm en us 2022sep13, p.13.
GM factory document — 2024 chevrolet 24 express savana body builder manual 18553161 2023oct26, p.13.
GM factory document — 2025 chevrolet my25 express savana electrical bbm, p.11.
GM factory document — 2025 chevrolet express cargo fleet order guide, p.8.
GM factory document — 2025 chevrolet express passenger fleet order guide, p.8.
GM factory document — 2026 chevrolet my26 express savana electrical bbm, p.11.
GM factory document — 2026 chevrolet express cargo fleet order guide, p.8.
GM factory document — 2026 chevrolet express passenger fleet order guide, p.8.
GM factory document — 2027 chevrolet express cargo fleet order guide, p.8.
GM factory document — 2027 chevrolet express passenger fleet order guide, p.8.

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

1992–1996 Factory-verified

GM Heritage factory kit — 1992 Chevrolet G Van, p.20.
GM Heritage factory kit — 1993 Chevrolet G Van, p.15.
GM Heritage factory kit — 1994 Chevrolet G Van, p.12.
GM Heritage factory kit — 1995 Chevrolet G Van, p.14.
GM Heritage factory kit — 1996 Chevrolet G Van, p.76.

Impala — sixth generation, B-body (1983–1985)

1984–1985 Factory-verified

listed for the sedan (1BL69)

GM Heritage factory kit — 1984 Chevrolet Caprice, p.37.
GM Heritage factory kit — 1985 Chevrolet Caprice, p.39.

Impala SS — seventh generation (1994–1996)

1994–1996 Factory-verified

with electrically heated outside mirrors; included in group SSA1 (1994) and 1SK (1995)

GM Heritage factory kit — 1994 Chevrolet Impala, p.4.
GM Heritage factory kit — 1995 Chevrolet Impala, p.11.
GM Heritage factory kit — 1996 Chevrolet Impala, p.44.

Impala — eighth generation (2000–2005)

2000 Factory-verified

GM factory document — 2000 chevrolet impala rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Impala, p.42.

Lumina APV — U-body (1990–1996)

1991–1992, 1996 Factory-verified

GM Heritage factory kit — 1991 Chevrolet LuminaAPV, p.14.
GM Heritage factory kit — 1992 Chevrolet LuminaAPV, p.41.
GM Heritage factory kit — 1996 Chevrolet LuminaAPV, p.29.

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

1991, 1993–1994 Factory-verified

one of C49 or R9W must be ordered (1991, 1993); the 1992 page prints CA9, so 1992 is not claimed

GM Heritage factory kit — 1991 Chevrolet Lumina, p.14, p.16, p.72.
GM Heritage factory kit — 1993 Chevrolet Lumina, p.10, p.12, p.71.
GM Heritage factory kit — 1994 Chevrolet Lumina, p.40.

Lumina — second generation (1995–2001)

1995–1999 Factory-verified

GM factory document — 1998 chevrolet lumina rpo code list, p.1.
GM factory document — 1999 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 — 1998 Chevrolet Lumina, p.42.
GM Heritage factory kit — 1999 Chevrolet Lumina, p.58.

Malibu — fourth generation, A-body (1983)

1983 Factory-verified

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

Malibu — Fifth generation (1997–2005)

1997–2000 Factory-verified

the 1998 list prints "Defogger, RR Wnd Elec". 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 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.73.

Metro — second generation (1998–2001)

1998–2001 Factory-verified

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

Monte Carlo — fourth generation (1983–1988)

1983–1988 Factory-verified

GM Heritage factory kit — 1983 Chevrolet Monte Carlo, p.30.
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.42.
GM Heritage factory kit — 1987 Chevrolet Monte Carlo, p.88.
GM Heritage factory kit — 1988 Chevrolet Monte Carlo, p.34.

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

1995–1999 Factory-verified

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 Factory-verified

GM factory document — 2000 chevrolet monte carlo rpo code list, p.1.

Prizm — third generation (1998–2002)

1998–2002 Factory-verified

1998-1999 lists print "Defogger RR Power Window"

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

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

2000–2004 Factory-verified

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 EV — BT1 (2024–2027)

2024–2027 Factory-verified

GM factory document — 2024 chevrolet silverado ev fleet fleet order guide wayback, p.1.
GM factory document — 2027 chevrolet silverado ev fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet silverado ev fleet order guide, p.5.
GM factory document — 2026 chevrolet silverado ev fleet order guide, p.6.
GM factory document — 2027 chevrolet silverado ev fleet order guide, p.6.

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.19.

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.55.
GM Heritage factory kit — 2007 Chevrolet Silverado, p.59.

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.60.
GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.39.
GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.165.

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.2.

Silverado HD — K2XX (2015–2019)

2016–2019 Factory-verified

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.2.
GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.6.
GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.7.
GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.6.

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.10.
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.15.
GM factory document — 2018 chevrolet silverado 1500 fleet order guide copy gm authority, p.10, p.213.
GM factory document — 2019 chevrolet silverado 1500 ld double cab fleet order guide copy gm authority, p.11, p.47.

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.10.
GM factory document — 2023 chevrolet 23 silverado 1500 electrical body builder sm en us 2022oct24, p.10.
GM factory document — 2024 chevrolet 24 silverado1500 electrical body builder 2023nov29, p.12.
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 EV — M300 (2014–2016)

2014 Factory-verified

1LT, 2LT: S

GM factory document — 2014 chevrolet spark ev and spark fleet order guide wayback, p.2.

Spark — M400 (2016–2022)

2017–2019 Factory-verified

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

GM factory document — 2017 chevrolet spark order guide copy gm authority, p.2, p.14.
GM factory document — 2018 chevrolet spark order guide copy gm authority, p.2, p.19.
GM factory document — 2019 chevrolet spark order guide copy gm authority, p.2, p.18.

Sprint — first generation (1985–1988)

1986 Factory-verified

coupe and Sprint Plus; 1985 not claimed (the 1985 guide prints 649)

GM Heritage factory kit — 1986 Chevrolet Sprint, p.8.
GM Heritage factory kit — 1986 Chevrolet Sprint, p.10.
GM Heritage factory kit — 1986 Chevrolet Sprint, p.14.

SSR (2003–2006)

2003–2006 Factory-verified

the 2005 and 2006 lists read "RR Window"

GM factory document — 2003 chevrolet ssr rpo code list, p.1.
GM factory document — 2004 chevrolet ssr rpo code list, p.1.
GM factory document — 2005 chevrolet ssr rpo code list, p.1.
GM factory document — 2006 chevrolet ssr rpo code list, p.1.

Suburban — GMT400 (1992–1999)

1992–1999 Factory-verified

GM Heritage factory kit — 1992 Chevrolet Suburban, p.19.
GM Heritage factory kit — 1993 Chevrolet Suburban, p.13.
GM Heritage factory kit — 1994 Chevrolet Suburban, p.17.
GM Heritage factory kit — 1995 Chevrolet Suburban, p.13.
GM Heritage factory kit — 1996 Chevrolet Suburban, p.15.
GM Heritage factory kit — 1997 Chevrolet Suburban, p.13.
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.45.
GM Heritage factory kit — 2001 Chevrolet Suburban, p.49.
GM Heritage factory kit — 2002 Chevrolet Suburban, p.35.
GM Heritage factory kit — 2003 Chevrolet Suburban, p.139.
GM Heritage factory kit — 2004 Chevrolet Suburban, p.40.
GM Heritage factory kit — 2005 Chevrolet Suburban, p.133.

Suburban — GMT900 (2007–2014)

2007–2009, 2014 Factory-verified

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

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.2.
GM Heritage factory kit — 2007 Chevrolet Suburban, p.33, p.147.

Suburban — K2XX (2015–2020)

2015–2019 Factory-verified

S 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.2, p.5.
GM factory document — 2016 chevrolet suburban fleet order guide wayback, p.2, p.5.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.5.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.15.
GM factory document — 2018 chevrolet suburban order guide copy gm authority, p.1.
GM factory document — 2019 chevrolet suburban order guide copy gm authority, p.1.

Suburban — Square body (1983–1991)

1983–1986, 1988–1991 Factory-verified

requires A33 (1983–1989); not with AJ1; 1985 from the V10 cold climate price line with C49; the 1987 pages name C49 only in new-features prose, so 1987 is left out

GM Heritage factory kit — 1983 Chevrolet Suburban, p.16.
GM Heritage factory kit — 1984 Chevrolet Suburban, p.19.
GM Heritage factory kit — 1985 Chevrolet Suburban, p.18.
GM Heritage factory kit — 1986 Chevrolet Suburban, p.19.
GM Heritage factory kit — 1988 Chevrolet Suburban, p.17.
GM Heritage factory kit — 1989 Chevrolet Suburban, p.15.
GM Heritage factory kit — 1990 Chevrolet Suburban, p.18.
GM Heritage factory kit — 1991 Chevrolet Suburban, p.18.

Suburban — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: S on all trims

GM factory document — 2025 chevrolet new suburban fleet order guide, p.2.
GM factory document — 2026 chevrolet suburban fleet order guide, p.2.
GM factory document — 2027 chevrolet suburban fleet order guide, p.2.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.10.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.10.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.6.

Tahoe — GMT400 (1995–1999)

1995–1999 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.
GM Heritage factory kit — 1995 Chevrolet Tahoe, p.4.
GM Heritage factory kit — 1996 Chevrolet Tahoe, p.18.
GM Heritage factory kit — 1997 Chevrolet Tahoe, p.14.
GM Heritage factory kit — 1998 Chevrolet Tahoe, p.43.
GM Heritage factory kit — 1999 Chevrolet Tahoe, p.15.

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.45.
GM Heritage factory kit — 2001 Chevrolet Tahoe, p.42.
GM Heritage factory kit — 2002 Chevrolet Tahoe, p.28.
GM Heritage factory kit — 2003 Chevrolet Tahoe, p.30.
GM Heritage factory kit — 2004 Chevrolet Tahoe, p.32.
GM Heritage factory kit — 2005 Chevrolet Tahoe, p.109.
GM Heritage factory kit — 2006 Chevrolet Tahoe, p.107.

Tahoe — GMT900 (2007–2014)

2007–2009, 2014 Factory-verified

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

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.2.
GM factory document — 2014 chevrolet tahoe special service vehicle fleet order guide wayback, p.2.
GM Heritage factory kit — 2007 Chevrolet Tahoe, p.27, p.131.

Tahoe — K2XX (2015–2020)

2015–2019 Factory-verified

S 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.1, p.3.
GM factory document — 2016 chevrolet tahoe fleet order guide wayback, p.2, p.5.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.5.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.15.
GM factory document — 2018 chevrolet tahoe order guide copy gm authority, p.1.
GM factory document — 2019 chevrolet tahoe order guide copy gm authority, p.1.

Tahoe — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: S on all trims

GM factory document — 2025 chevrolet new tahoe retail and fleet fleet order guide, p.2.
GM factory document — 2026 chevrolet tahoe retail and fleet fleet order guide, p.2.
GM factory document — 2027 chevrolet tahoe retail and fleet fleet order guide, p.2.
GM factory document — 2027 chevrolet tahoe police package and special service fleet order guide, p.2.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.10.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.10.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.6.

Tracker — First generation (1998)

1998 Factory-verified

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

Tracker — Second generation (1999–2004)

1999–2004 Factory-verified

GM factory document — 1999 chevrolet tracker 2wd rpo code list, p.1.
GM factory document — 2000 chevrolet tracker 2wd rpo code list, p.1.
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 — GMT360 (2002–2009)

2002–2008 Factory-verified

GM Heritage factory kit — 2002 Chevrolet Trailblazer, p.27.
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.

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

2025–2026 Factory-verified

all trims: S

GM factory document — 2025 chevrolet trax fleet order guide, p.2.
GM factory document — 2026 chevrolet trax fleet order guide, p.2.

Uplander (2005–2008)

2005–2007 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.

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 C49 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.