Chassis package, smooth ride

Years 1970, 1995–06 Models 8 Factory citations 39

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Also described as Decor GroupSmooth ride chassis package

Also documented for Cadillac GMC Oldsmobile

Documented applications

Chevelle / El Camino

1970 Single-source

footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend)

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.58.
GM Heritage factory kit — 2003 Chevrolet Avalanche, p.38.
GM Heritage factory kit — 2005 Chevrolet Avalanche, p.150.

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

1995–2000 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 Heritage factory kit — 1995 Chevrolet S 10 Blazer, p.5.
GM Heritage factory kit — 1996 Chevrolet S 10 Blazer, p.4.
GM Heritage factory kit — 1997 Chevrolet S 10 Blazer, p.24.
GM Heritage factory kit — 1998 Chevrolet S 10 Blazer, p.20.
GM Heritage factory kit — 1999 Chevrolet S 10 Blazer, p.38.

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

1998–2000 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.

Silverado — GMT800 (1999–2007)

2001 Factory-verified

GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.

Silverado HD — GMT800 (2001–2007)

2001, 2002 Factory-verified

years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list)

GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.

Suburban — GMT800 (2000–2006)

2001–2006 Factory-verified

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 — 2002 Chevrolet Suburban, p.41.
GM Heritage factory kit — 2003 Chevrolet Suburban, p.40.

Tahoe — GMT800 (2000–2006)

2001–2006 Factory-verified

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 — 2002 Chevrolet Tahoe, p.34.
GM Heritage factory kit — 2003 Chevrolet Tahoe, p.33.
GM Heritage factory kit — 2006 Chevrolet Tahoe, p.110.

This page aggregates every documented appearance of ZQ1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.