GT5 Factory-verified

Chevrolet · Regular Production Option

Axle, rear, 4.10 ratio

Years 1973–89, 1993–10, 2014–19, 2021–27 Models 28 Factory citations 178

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Also described as 4.10 rear axleAxle, rear, 4.10 ratio, heavy dutyRear axle ratio 4.10

Also documented for Buick Cadillac GMC Hummer Oldsmobile

Documented applications

C/K Trucks

1973–82 Confirmed

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Astro — First generation (1985–1994)

1986, 1987 Factory-verified

cargo van with the 2.5L L4.

GM Heritage factory kit — 1986 Chevrolet Astro Van, p.10.
GM Heritage factory kit — 1987 Chevrolet Astro Van, p.12.

Avalanche — GMT800 (2002–2006)

2002–2006 Factory-verified

GM marks it a duplicate with GT8

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.53.
GM Heritage factory kit — 2003 Chevrolet Avalanche, p.123.
GM Heritage factory kit — 2005 Chevrolet Avalanche, p.32.

Avalanche — GMT900 (2007–2013)

2007–2009 Factory-verified

The 2007 and 2008 lists add the marker DUP With GT8.

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.160.

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

1998–2004 Factory-verified

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.

C/K pickup — GMT400 (1988–2000)

1988, 1993–2000 Factory-verified

the kit pages also print GTS

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.23.
GM Heritage factory kit — 1993 Chevrolet Truck, p.14.
GM Heritage factory kit — 1994 Chevrolet Truck, p.21.
GM Heritage factory kit — 1995 Chevrolet Truck, p.9.
GM Heritage factory kit — 1996 Chevrolet Truck, p.16.
GM Heritage factory kit — 1997 Chevrolet Truck, p.37.

C/K pickup — Square body (1983–1991)

1983–1987 Factory-verified

power team charts only

GM Heritage factory kit — 1983 Chevrolet Truck, p.15.
GM Heritage factory kit — 1984 Chevrolet Truck, p.23.
GM Heritage factory kit — 1985 Chevrolet Truck, p.23.
GM Heritage factory kit — 1986 Chevrolet Truck, p.22.
GM Heritage factory kit — 1987 Chevrolet Truck, p.39.

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

2015–2019, 2021–2022 Factory-verified

2015: S on all trims; with LCV; 2018 from GM's 2018 Colorado order guide (PDF)

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.9.
GM factory document — 2017 chevrolet canyon colorado electrical body builders manual service manual 2017 en us, p.10.
GM factory document — 2019 chevrolet 19 coloradocanyon body builder sm u 2018aug01 1, p.10.
GM factory document — 2021 chevrolet colorado fleet order guide wayback, p.1.
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.12.

Colorado — GMT355 (2004–2012)

2005–2009 Factory-verified

the 2005 and 2006 lists print GT5 as 3.73 ratio (and GT4 as 4.10), swapped against the 2007-2009 lists and the rest of GM's lists, so the common reading is kept.

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.

Express — GMT600 (1996–2002)

1996–2002 Factory-verified

the 2001–2002 lists mark it a duplicate of GT8

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.
GM Heritage factory kit — 1996 Chevrolet G Van, p.63.
GM Heritage factory kit — 1997 Chevrolet Express, p.18.

Express — GMT610 (2003–2027)

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

the 2003–2006 lists mark it a duplicate of GT8; the 2025–2027 guides read Rear axle, 4.10 ratio; S: Cutaway 2WT (2025–2026); O: Cutaway 1WT CG33803, Cutaway 1WT CG33903 (2025–2026); not offered: Cutaway CG33503; in the 2025–2027 guides only in the Cutaway 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 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.13.
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.7.
GM factory document — 2017 chevrolet express savana electrical body builders manual service manual 2017 en us, p.7.
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.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 cutaway fleet order guide, p.6.
GM factory document — 2026 chevrolet my26 express savana electrical bbm, p.11.
GM factory document — 2026 chevrolet express cutaway fleet order guide, p.7.
GM factory document — 2027 chevrolet express cutaway fleet order guide, p.22.

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

1983, 1984, 1986–1989, 1993–1996 Factory-verified

GM Heritage factory kit — 1983 Chevrolet Vandura, p.7.
GM Heritage factory kit — 1984 Chevrolet G Van, p.9.
GM Heritage factory kit — 1986 Chevrolet G Van, p.18.
GM Heritage factory kit — 1987 Chevrolet G Van, p.15.
GM Heritage factory kit — 1988 Chevrolet Vandura, p.11.
GM Heritage factory kit — 1989 Chevrolet G Van, p.17.
GM Heritage factory kit — 1993 Chevrolet G Van, p.28.
GM Heritage factory kit — 1994 Chevrolet G Van, p.8.
GM Heritage factory kit — 1995 Chevrolet G Van, p.3.
GM Heritage factory kit — 1996 Chevrolet G Van, p.41.

Motor Home chassis (1983–1998)

1993–1995 Factory-verified

replaces GQ1 in the 1993-1995 kits

GM Heritage factory kit — 1993 Chevrolet Motorhome, p.9.
GM Heritage factory kit — 1994 Chevrolet Motorhome, p.6.
GM Heritage factory kit — 1995 Chevrolet Motorhome, p.6.

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

1993 Factory-verified

GM Heritage factory kit — 1993 Chevrolet S 10, p.6.

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

1994–2004 Factory-verified

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.
GM Heritage factory kit — 1994 Chevrolet S 10, p.12.
GM Heritage factory kit — 1995 Chevrolet S 10, p.6.
GM Heritage factory kit — 1996 Chevrolet S 10, p.12.
GM Heritage factory kit — 1997 Chevrolet S 10, 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.56.
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 — 2005 Chevrolet Silverado 2500HD, p.163.

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

with the 6.0L V8; 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.3.
GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.3.
GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.3.

SSR (2003–2006)

2005–2006 Factory-verified

2005 and 2006 lists only

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)

1993–1999 Factory-verified

GM Heritage factory kit — 1993 Chevrolet Suburban, p.7.
GM Heritage factory kit — 1994 Chevrolet Suburban, p.14.
GM Heritage factory kit — 1995 Chevrolet Suburban, p.14.
GM Heritage factory kit — 1996 Chevrolet Suburban, p.5.
GM Heritage factory kit — 1997 Chevrolet Suburban, p.16.
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 marks it a duplicate with GT8; GM's list marks it a duplicate of GT8

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 — 2002 Chevrolet Suburban, p.36.
GM Heritage factory kit — 2003 Chevrolet Suburban, p.38.
GM Heritage factory kit — 2004 Chevrolet Suburban, p.40.
GM Heritage factory kit — 2005 Chevrolet Suburban, p.166.

Suburban — GMT900 (2007–2014)

2007–2009 Factory-verified

The 2007 and 2008 lists add the marker DUP With GT8.

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 Heritage factory kit — 2007 Chevrolet Suburban, p.33, p.161.

Suburban — Square body (1983–1991)

1983–1989 Factory-verified

only in: 20/2500 series; power team charts (1983–1988) and the 1989 option weight table

GM Heritage factory kit — 1983 Chevrolet Suburban, p.7.
GM Heritage factory kit — 1984 Chevrolet Suburban, p.10.
GM Heritage factory kit — 1985 Chevrolet Suburban, p.10.
GM Heritage factory kit — 1986 Chevrolet Suburban, p.9.
GM Heritage factory kit — 1987 Chevrolet Suburban, p.16.
GM Heritage factory kit — 1988 Chevrolet Suburban, p.10.
GM Heritage factory kit — 1989 Chevrolet Suburban, p.13.

Tahoe — GMT800 (2000–2006)

2000–2006 Factory-verified

GM marks it a duplicate with GT8; GM's list marks it a duplicate of GT8

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.43.
GM Heritage factory kit — 2003 Chevrolet Tahoe, p.123.
GM Heritage factory kit — 2005 Chevrolet Tahoe, p.135.
GM Heritage factory kit — 2006 Chevrolet Tahoe, p.133.

Tahoe — GMT900 (2007–2014)

2007–2009 Factory-verified

The 2007 and 2008 lists add the marker DUP With GT8.

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 Heritage factory kit — 2007 Chevrolet Tahoe, p.28, p.137.

TrailBlazer — GMT360 (2002–2009)

2002–2009 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.
GM factory document — 2009 chevrolet trailblazer 2wd rpo code list, p.1.

This page aggregates every documented appearance of GT5 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.