NZZ Factory-verified

Chevrolet · Regular Production Option

Sales package, skid plate, off road sport

Years 1988–09, 2014–20, 2022–27 Models 22 Factory citations 134

Also described as Skid plate, off roadSales package, skid plate, off-road sportSkid platesSkid plate package (off-road)Underbody shield, frame-mountedUnderbody shieldSkid plateSkid plate package, frame-mounted underbody shields

Also documented for Cadillac GMC Hummer

Documented applications

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.133.
GM Heritage factory kit — 2005 Chevrolet Avalanche, p.33.

Avalanche — GMT900 (2007–2013)

2007–2009 Factory-verified

GM prints Spot, a misprint (the GMT400 lists print Sport).

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.

Blazer (full-size, K Blazer) — GMT400 (1992–1994)

1992–1994 Factory-verified

shields for the front differential, transfer case, engine and fuel tank; included with Z71; the 1994 order guide (p.10) prints the code without its wording, and the 1994 technical guide line prints NZX

GM Heritage factory kit — 1992 Chevrolet Blazer, p.15.
GM Heritage factory kit — 1993 Chevrolet Blazer, p.10.
GM Heritage factory kit — 1994 Chevrolet Blazer, p.10.

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.141.
GM Heritage factory kit — 1989 Chevrolet Truck, p.29.
GM Heritage factory kit — 1990 Chevrolet Truck, p.37.
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.22.

Colorado — GMT355 (2004–2012)

2004, 2005, 2007–2009 Factory-verified

the lists print "Spot"; GM's other lists print "Sport".

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 — 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.

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.35.

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 prints Spot; a misprint for Sport.

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 — 2003 Chevrolet Silverado 2500, p.202.
GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.194.

Silverado HD — GMT900 (2007–2014)

2007–2009, 2014 Factory-verified

GM prints Spot in the 2007–2009 lists, a misprint for Sport; the 2014 guide calls it the Skid Plate Package and requires 4WD

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

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.39.

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.26.

Silverado Medium Duty (GM515, 2019–2026)

2025–2026 Factory-verified

the Silverado HD (T1XX) doc reads it "Skid plates"

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.15.
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.

Suburban — GMT400 (1992–1999)

1992, 1994–1999 Factory-verified

GM Heritage factory kit — 1992 Chevrolet Suburban, p.19.
GM Heritage factory kit — 1994 Chevrolet Suburban, p.11.
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.15.
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 — 2002 Chevrolet Suburban, p.37.
GM Heritage factory kit — 2003 Chevrolet Suburban, p.39.
GM Heritage factory kit — 2004 Chevrolet Suburban, p.41.
GM Heritage factory kit — 2005 Chevrolet Suburban, p.140.

Suburban — GMT900 (2007–2014)

2007–2009, 2014 Factory-verified

GM prints Spot, a misprint (the GMT400 lists print Sport). The 2014 guide words it as underbody shield. Trim marks in the 2014 guide: LT: 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.34, p.256.

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.42.
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.47.
GM Heritage factory kit — 2001 Chevrolet Tahoe, p.44.
GM Heritage factory kit — 2002 Chevrolet Tahoe, p.30.
GM Heritage factory kit — 2003 Chevrolet Tahoe, p.32.
GM Heritage factory kit — 2005 Chevrolet Tahoe, p.126.
GM Heritage factory kit — 2006 Chevrolet Tahoe, p.113.

Tahoe — GMT900 (2007–2014)

2007–2009, 2014 Factory-verified

GM prints Spot, a misprint (the GMT400 lists print Sport). The 2014 guides word it as underbody shield. Trim marks in the 2014 guides: 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 special service vehicle fleet order guide wayback, p.4.
GM Heritage factory kit — 2007 Chevrolet Tahoe, p.161, p.177.

Tahoe — K2XX (2015–2020)

2016–2019 Factory-verified

2016: Police Vehicle (read underbody shield), Special Service; included with 9G3; the lists read off-road skid plate sales package; 2018–2019 from GM's 2018 and 2019 Tahoe order guides (GM Authority copies)

GM factory document — 2016 chevrolet tahoe police vehicle fleet order guide wayback, p.4.
GM factory document — 2016 chevrolet tahoe special service vehicle 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.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.25.
GM factory document — 2018 chevrolet tahoe order guide copy gm authority, p.31.
GM factory document — 2019 chevrolet tahoe order guide copy gm authority, p.33.

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