- 1970s Single-source
internal
Also described as Certified paintPremium smooth ride chassis packageSuspension package, premium smooth rideSuspension, Premium Smooth Ride
Also documented for BuickCadillacGMCOldsmobile
Documented applications
- 2002–2006 Factory-verifiedGM Heritage factory kit — 2002 Chevrolet Avalanche, p.58.GM Heritage factory kit — 2003 Chevrolet Avalanche, p.38.
- 2007–2009 Factory-verifiedGM Heritage factory kit — 2007 Chevrolet Avalanche, p.32.
- 1995–2004 Factory-verifiedGM 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.11.GM Heritage factory kit — 1998 Chevrolet S 10 Blazer, p.9.GM Heritage factory kit — 1999 Chevrolet S 10 Blazer, p.34.
- 1998–2004 Factory-verified
- 2001 Factory-verified
- 2001, 2002 Factory-verified
years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list)
GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.
- 2001–2006 Factory-verifiedGM Heritage factory kit — 2002 Chevrolet Suburban, p.41.GM Heritage factory kit — 2003 Chevrolet Suburban, p.146.GM Heritage factory kit — 2005 Chevrolet Suburban, p.140.
- 2007–2009, 2014 Factory-verified
Trim marks in the 2014 guide: LS, LT: S.
GM Heritage factory kit — 2007 Chevrolet Suburban, p.175, p.258.
- 2015–2019 Factory-verified
LS, LT: included; LTZ: not available; not with NHT; 2018–2019 from GM's 2018 and 2019 Suburban order guides (GM Authority copies)
- 2022–2023, 2025–2027 Factory-verified
2027: LS, LT, RST, Z71: S
- 2001–2006 Factory-verifiedGM Heritage factory kit — 2002 Chevrolet Tahoe, p.34.GM Heritage factory kit — 2003 Chevrolet Tahoe, p.34.GM Heritage factory kit — 2005 Chevrolet Tahoe, p.125.GM Heritage factory kit — 2006 Chevrolet Tahoe, p.117.
- 2007–2009, 2014 Factory-verified
Trim marks in the 2014 guides: Special Service: S.
GM Heritage factory kit — 2007 Chevrolet Tahoe, p.31, p.150.
- 2015–2019 Factory-verified
LS, LT: included; LTZ: not available; not with NHT; 2018–2019 from GM's 2018 and 2019 Tahoe order guides (GM Authority copies)
- 2022–2023, 2025–2027 Factory-verified
2027: FL, LS, LT, RST, Z71, Special Service: S
- 2002–2009 Factory-verifiedGM Heritage factory kit — 2003 Chevrolet Trailblazer, p.36.
This page aggregates every documented appearance of ZW7 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.