GMC Sierra 1500
1999-2000 GMC Sierra 1500 (1999 Up) Front Axle, 3.73 ratio (opt GT4)
2001 GMC Sierra 1500 (1999 Up) Front Axle, exc. Crew Cab; exc. C3; 3.73 ratio (opt GT4)
2002-2005 GMC Sierra 1500 (1999 Up) Front Axle, exc. Crew Cab; 3.73 ratio (opt GT4)
2004-2005 GMC Sierra 1500 (1999 Up) Front Axle, Crew Cab, 6 lug wheel, 3.73 ratio (opt GT4)
2006 GMC Sierra 1500 (1999 Up) Front Axle, 6 lug wheel, 3.73 ratio (opt GT4)
2007 GMC Sierra 1500 (1999 Up) Front Axle, classic style (creased door skin), 6 lug wheel, 3.73 ratio (opt GT4)
GMC Yukon (except XL)
2000-2002 GMC Yukon (except XL) Front Axle, exc. Denali; 3.73 ratio (opt GT4)
2003-2004 GMC Yukon (except XL) Front Axle, w/o AWD; 3.73 ratio (opt GT4)
2006 GMC Yukon (except XL) Front Axle, 3.73 ratio (opt GT4), w/o AWD
GMC Yukon XL 1500
2000 GMC Yukon XL 1500 Front Axle, 3.73 ratio (opt GT4)
2001 GMC Yukon XL 1500 Front Axle, exc. Denali; 3.73 ratio (opt GT4)
2003-2004 GMC Yukon XL 1500 Front Axle, w/o AWD; 3.73 ratio (opt GT4)
2006 GMC Yukon XL 1500 Front Axle, 3.73 ratio (opt GT4), w/o AWD
Chevy Silverado 1500 (1999 Up)
1999-2000 Chevy Silverado 1500 (1999 Up) Front Axle, 3.73 ratio (opt GT4)
2001-2002 Chevy Silverado 1500 (1999 Up) Front Axle, exc. Crew Cab; 3.73 ratio (opt GT4)
2003-2006 Chevy Silverado 1500 (1999 Up) Front Axle, exc. Crew Cab; w/o AWD; 3.73 ratio (opt GT4)
2004-2006 Chevy Silverado 1500 (1999 Up) Front Axle, Crew Cab, 6 lug wheel, 3.73 ratio (opt GT4)
2007 Chevy Silverado 1500 (1999 Up) Front Axle, classic style (creased door skin), 6 lug wheel, 3.73 ratio (opt GT4)
Chevy Avalanche 1500
2002-2004 Chevy Avalanche 1500 Front Axle, 3.73 ratio (opt GT4)
Chevy Tahoe
2000 Chevy Tahoe Front Axle, Silverado style, 3.73 ratio (opt GT4)
2001-2002 Chevy Tahoe Front Axle, 3.73 ratio (opt GT4)
2003 Chevy Tahoe Front Axle, w/o AWD; 3.73 ratio (opt GT4)
2006 Chevy Tahoe Front Axle, 3.73 ratio (opt GT4)