N33 Factory-verified

Chevrolet · Regular Production Option

Steering column, tilt type

Years 1963–10, 2014–27 Models 55 Factory citations 236

Also described as Comfortilt tilt steering columnTilt steering columnSteering Wheel - Tilt TypeTilt steeringComfortilt steering wheelSports-Styled steering wheelTilt steering wheelSteering wheel, ComfortiltSteering column, tilt, ComfortiltSteering column, tiltSteering wheel, tilt, ComfortiltSteering column, tilt, manualSteering column, manual tiltSteering column, tilt-wheelSteering column, tilt wheelSteering column, manual tilt-wheelSteering column, Tilt-Wheel

Also documented for Buick Cadillac GMC Hummer Oldsmobile Pontiac

Documented applications

Camaro

1967–1969 Factory-verified

GM Heritage factory kit — 1967 Chevrolet Camaro, p.8.
GM Heritage factory kit — 1969 Chevrolet Camaro, p.47.
1970s–1981 Factory-verified

GM Heritage factory kit — 1970 Chevrolet Camaro, p.9.
GM Heritage factory kit — 1981 Chevrolet Camaro, p.39.

Chevelle / El Camino

1964–1972 Factory-verified

GM Heritage factory kit — 1964 Chevrolet Chevelle, p.9.
GM Heritage factory kit — 1972 Chevrolet El Camino, p.9.

Impala / Full-Size

1963- Factory-verified

GM Heritage factory kit — 1963 Chevrolet, p.13.

Nova / Chevy II

1973–1979 Factory-verified

GM Heritage factory kit — 1973 Chevrolet Nova, p.9.
GM Heritage factory kit — 1979 Chevrolet Nova, p.9.

C/K Trucks

1963–66 Factory-verified

Factory kit resolves: N33 = Sports-Styled wheel (not Comfortilt) in these years; reused for Comfortilt from 1967

GM Heritage factory kit — 1965 Chevrolet Truck, p.20.
1967–72 Confirmed

—
1973–82 Confirmed

—

Vega / Monza

1975–1977 Factory-verified

new option 1975

GM Heritage factory kit — 1975 Chevrolet Monza, p.9.
GM Heritage factory kit — 1977 Chevrolet Monza, p.12.

Astro — First generation (1985–1994)

1986–1988 Factory-verified

the kit pages print Comfortilt steering wheel. 1987 from the 1987 passenger van pages in the kit file labelled 1988.

GM Heritage factory kit — 1986 Chevrolet Astro Van, p.15.
GM Heritage factory kit — 1988 Chevrolet Astro Van, p.29, p.9.

Astro — Second generation (1995–2005)

1998–2005 Factory-verified

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.

Aveo — T200 (2004–2008)

2008 Factory-verified

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)

1989, 1991–1993 Factory-verified

the kits call it the Comfortilt steering wheel; the 1988 page prints N35; same description as cavalier-gen2 and cavalier-gen1; cavalier-gen3 reads N33 as "Steering column, tilt"; 1990 and 1994–1996 not claimed: the order guides list the tilt steering wheel only as a preferred equipment group row (owner ruling 2026-10-29)

GM Heritage factory kit — 1989 Chevrolet Beretta, p.34.
GM Heritage factory kit — 1991 Chevrolet Beretta, p.50.
GM Heritage factory kit — 1992 Chevrolet Beretta, p.49.
GM Heritage factory kit — 1993 Chevrolet Beretta, p.48.

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

1983–1986 Factory-verified

GM Heritage factory kit — 1983 Chevrolet Blazer, p.11.
GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6.
GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12.
GM Heritage factory kit — 1986 Chevrolet Blazer, p.13.

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

1983–1988 Factory-verified

the merged second-generation doc writes Steering column, tilt type

GM Heritage factory kit — 1983 Chevrolet S 10 Blazer, p.9.
GM Heritage factory kit — 1984 Chevrolet S 10 Blazer, p.10.
GM Heritage factory kit — 1985 Chevrolet S 10 Blazer, p.15.
GM Heritage factory kit — 1986 Chevrolet S 10 Blazer, p.9.
GM Heritage factory kit — 1987 Chevrolet S 10 Blazer, p.45.
GM Heritage factory kit — 1988 Chevrolet S 10 Blazer, p.12.

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

1998–2005 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.
GM factory document — 2005 chevrolet blazer 4wd rpo code list, p.1.

Camaro — Gen 3 (1982–1992)

1982–1987 Factory-verified

1988–1991 are not claimed: the weight pages list it, but the order guides name the Comfortilt steering wheel only as a row of the preferred equipment groups

GM Heritage factory kit — 1982 Chevrolet Camaro, p.30.
GM Heritage factory kit — 1983 Chevrolet Camaro, p.35.
GM Heritage factory kit — 1984 Chevrolet Camaro, p.5.
GM Heritage factory kit — 1985 Chevrolet Camaro, p.33.
GM Heritage factory kit — 1986 Chevrolet Camaro, p.22.
GM Heritage factory kit — 1987 Chevrolet Camaro, p.34.

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

1984–1990 Factory-verified

GM Heritage factory kit — 1984 Chevrolet Caprice, p.39.
GM Heritage factory kit — 1985 Chevrolet Caprice, p.41.
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.138.

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

1991, 1993 Factory-verified

the 1991 guide names the Comfortilt steering wheel

GM Heritage factory kit — 1991 Chevrolet Caprice, p.81.
GM Heritage factory kit — 1993 Chevrolet Caprice, p.64.

Cavalier — first generation (1982–1987)

1984–1987 Factory-verified

GM Heritage factory kit — 1984 Chevrolet Cavalier, p.11.
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)

1991–1992 Factory-verified

VL models; in the equipment groups on the others; the Cavalier third-generation doc reads N33 as a tilt steering column

GM Heritage factory kit — 1991 Chevrolet Cavalier, p.19.
GM Heritage factory kit — 1992 Chevrolet Cavalier, p.19.

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.97.
GM Heritage factory kit — 2005 Chevrolet Cavalier, p.84.

Celebrity — A-body (1982–1990)

1984–1988 Factory-verified

1985 on: requires CD4 intermittent wipers

GM Heritage factory kit — 1984 Chevrolet Celebrity, p.42.
GM Heritage factory kit — 1985 Chevrolet Celebrity, p.43.
GM Heritage factory kit — 1986 Chevrolet Celebrity, p.42.
GM Heritage factory kit — 1987 Chevrolet Celebrity, p.42.
GM Heritage factory kit — 1988 Chevrolet Celebrity, p.46.

Chevette — T-body (1983–1987)

1984–1986 Factory-verified

all models

GM Heritage factory kit — 1984 Chevrolet Chevette, p.30.
GM Heritage factory kit — 1985 Chevrolet Chevette, p.30.
GM Heritage factory kit — 1986 Chevrolet Chevette, p.30.

Citation — X-body (1983–1985)

1984–1985 Factory-verified

GM Heritage factory kit — 1984 Chevrolet Citation, p.34.
GM Heritage factory kit — 1985 Chevrolet Citation, p.33.

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.141.
GM Heritage factory kit — 1989 Chevrolet Truck, p.34.

C/K pickup — Square body (1983–1991)

1986, 1987 Factory-verified

not with the 3 speed manual (MM3)

GM Heritage factory kit — 1986 Chevrolet Truck, p.156.
GM Heritage factory kit — 1987 Chevrolet Truck, p.60.

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

2015–2019, 2021–2022 Factory-verified

2015: Base, WT: S; LT, Z71: 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.10.
GM factory document — 2017 chevrolet canyon colorado electrical body builders manual service manual 2017 en us, p.12.
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.6.

Colorado — Third generation (2023–2027)

2023–2027 Factory-verified

WT, Trail Boss: S; LT, Z71, ZR2: not offered

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.32.
GM factory document — 2026 chevrolet colorado fleet order guide, p.37.
GM factory document — 2027 chevrolet colorado fleet order guide, p.37.

Colorado — GMT355 (2004–2012)

2004–2008 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.

Corsica — L-body (1987–1996)

1988, 1991–1993 Factory-verified

the kits call it the Comfortilt steering wheel; same description as beretta-gen1; 1989–1990 and 1994–1996 not claimed: the order guides list the tilt steering wheel only as a preferred equipment group row (owner ruling 2026-10-29)

GM Heritage factory kit — 1988 Chevrolet Corsica, p.32.
GM Heritage factory kit — 1991 Chevrolet Corsica, p.40.
GM Heritage factory kit — 1992 Chevrolet Corsica, p.41.
GM Heritage factory kit — 1993 Chevrolet Corsica, p.39.

Corvette — C6 (2005–2013)

2006–2008 Factory-verified

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.

El Camino — fifth generation (1983–1987)

1983–1987 Factory-verified

GM Heritage factory kit — 1983 Chevrolet El Camino, p.6.
GM Heritage factory kit — 1984 Chevrolet El Camino, p.7.
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.

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

the 2025–2027 guides read Steering column, Tilt-Wheel; S: Passenger 1LT, Passenger CG33406, Passenger CG33706; O: Passenger CG23406; in the 2025–2027 guides only in the 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.16.
GM factory document — 2014 chevrolet gh van elec bbm si brief, p.7.
GM factory document — 2015 chevrolet express savana electrical body builders manual service manual 2015 en us, p.14.
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.12.
GM factory document — 2025 chevrolet express passenger fleet order guide, p.3.
GM factory document — 2026 chevrolet my26 express savana electrical bbm, p.12.
GM factory document — 2026 chevrolet express passenger fleet order guide, p.3.
GM factory document — 2027 chevrolet express passenger fleet order guide, p.3.

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

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

GM Heritage factory kit — 1983 Chevrolet Vandura, p.18.
GM Heritage factory kit — 1984 Chevrolet G Van, p.19.
GM Heritage factory kit — 1986 Chevrolet G Van, p.28.
GM Heritage factory kit — 1988 Chevrolet Vandura, p.24.
GM Heritage factory kit — 1989 Chevrolet G Van, p.35.

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

1984–1985 Factory-verified

all models

GM Heritage factory kit — 1984 Chevrolet Caprice, p.39.
GM Heritage factory kit — 1985 Chevrolet Caprice, p.41.

Lumina APV — U-body (1990–1996)

1990–1996 Factory-verified

the 1990–1991 options pages name it Comfortilt; 1990: on the cargo van only with Z05; 1995–1996: not on the cargo van

GM Heritage factory kit — 1990 Chevrolet LuminaAPV, p.12.
GM Heritage factory kit — 1991 Chevrolet LuminaAPV, p.14.
GM Heritage factory kit — 1992 Chevrolet LuminaAPV, p.42.
GM Heritage factory kit — 1993 Chevrolet LuminaAPV, p.40.
GM Heritage factory kit — 1994 Chevrolet LuminaAPV, p.40.
GM Heritage factory kit — 1995 Chevrolet LuminaAPV, p.79.
GM Heritage factory kit — 1996 Chevrolet LuminaAPV, p.30.

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

1992 Factory-verified

the order guides call it Comfortilt steering; 1993 not claimed: the order guide lists the Comfortilt steering wheel only as a preferred equipment group row (owner ruling 2026-10-29); 1991 is not claimed: the pages that print it (1991 p.10, 74) carry no readable model-year field

GM Heritage factory kit — 1992 Chevrolet Lumina, p.56.

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)

1998 Factory-verified

platform-list code; the Malibu 1997–1999 kit order guides do not show it.

GM factory document — 1998 chevrolet malibu rpo code list, p.1.

Monte Carlo — fourth generation (1983–1988)

1983–1987 Factory-verified

1988: the guide lists it only inside the option packages, with no code, and the 1988 weight page has no entry

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.32.
GM Heritage factory kit — 1987 Chevrolet Monte Carlo, p.40.

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

1982–1988 Factory-verified

GM Heritage factory kit — 1982 Chevrolet S 10, p.10.
GM Heritage factory kit — 1983 Chevrolet S 10, p.29.
GM Heritage factory kit — 1984 Chevrolet S 10, p.20.
GM Heritage factory kit — 1985 Chevrolet S 10, p.25.
GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
GM Heritage factory kit — 1987 Chevrolet S 10, p.24.
GM Heritage factory kit — 1988 Chevrolet S 10, p.19.

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

1998–2004 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.

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.1.
GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.2.
GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.2.

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.12.
GM factory document — 2025 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet silverado 3500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet silverado 3500 hd cc 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 — 2026 chevrolet silverado 3500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 3500 hd cc 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.
GM factory document — 2027 chevrolet silverado 3500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet silverado 3500 hd cc fleet order guide rpo codes, p.1.

Silverado — K2XX (2014–2019)

2015, 2017 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.24.

Silverado Medium Duty (GM515, 2019–2026)

2025–2026 Factory-verified

the Silverado HD (T1XX) doc reads it "Steering column, tilt-wheel"

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.12.
GM factory document — 2023 chevrolet 23 silverado 1500 electrical body builder sm en us 2022oct24, p.12.
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 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.3, p.17.
GM factory document — 2018 chevrolet spark order guide copy gm authority, p.4, p.23.
GM factory document — 2019 chevrolet spark order guide copy gm authority, p.4, p.22.

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 — K2XX (2015–2020)

2015–2019 Factory-verified

LS: S; LT, LTZ: not available; 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.11.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.24.
GM factory document — 2018 chevrolet suburban order guide copy gm authority, p.2.
GM factory document — 2019 chevrolet suburban order guide copy gm authority, p.2.

Suburban — Square body (1983–1991)

1983–1989 Factory-verified

with MM4 requires CD4 (1988–1989)

GM Heritage factory kit — 1983 Chevrolet Suburban, p.18.
GM Heritage factory kit — 1984 Chevrolet Suburban, p.20.
GM Heritage factory kit — 1985 Chevrolet Suburban, p.21.
GM Heritage factory kit — 1986 Chevrolet Suburban, p.22.
GM Heritage factory kit — 1987 Chevrolet Suburban, p.27.
GM Heritage factory kit — 1988 Chevrolet Suburban, p.19.
GM Heritage factory kit — 1989 Chevrolet Suburban, p.17.

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 — K2XX (2015–2020)

2015–2019 Factory-verified

LS: S; LT, LTZ: not available; 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.11.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.24.
GM factory document — 2018 chevrolet tahoe order guide copy gm authority, p.2.
GM factory document — 2019 chevrolet tahoe order guide copy gm authority, p.2.

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.

This page aggregates every documented appearance of N33 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.