Fitment:
For Chevy
2001-2005 Silverado 1500 Base 4WD, Truck
99-2000 Silverado 1500 Base Extended Cab Pickup, 4WD, Truck
99-2000 Silverado 1500 Base Standard Cab Pickup (Regular Cab), 4WD, Truck
2004-2006 Silverado 1500 Hybrid 4WD, Truck
99-2000 Silverado 1500 LS Extended Cab Pickup, 4WD, Truck
99-2000 Silverado 1500 LS Standard Cab Pickup (Regular Cab), 4WD, Truck
99-2000 Silverado 1500 LT Extended Cab Pickup, 4WD, Truck
2003-2005 Silverado 1500 SS AWD, Truck
2002-2004, 2006 Silverado 1500 WT 4WD, Truck
2004 Silverado 1500 Z71 4WD, Truck
2001-2006 Silverado 1500 (submodel: LS, LT) 4WD, Truck
2007 Silverado 1500 Classic (submodel: Hybrid, LS, LT, WT) 4WD, Truck
2005 Silverado 1500 HD Base 4WD, Truck
2001-2003,2005 Silverado 1500 HD LS 4WD, Truck
2001-2003,2005-2006 Silverado 1500 HD LT 4WD, Truck
2007 Silverado 1500 HD Classic LT 4WD
2000-2003 Silverado 2500 (submodel: Base, LS, LT) Extended Cab Pickup, 4WD, Truck
2004 Silverado 2500 (submodel: LS, LT) Crew Cab Pickup,
4WD, Truck, With 8600 lb. GVW
2001-2003 Silverado 2500 HD (submodel: Base, LS, LT) Extended Cab Pickup, 4WD, Truck
2004 Silverado 2500 HD (submodel: Base, LS, LT, WT) Crew Cab Pickup, 4WD, Truck, With 8600 lb. GVW
For GMC
2002-2005 Sierra 1500 Base 4WD, Truck
2002 Sierra 1500 HT 4WD, Truck
2005-2006 Sierra 1500 Hybrid 4WD, Truck
2001-2003,2006 Sierra 1500 SL 4WD, Truck
99-2000 Sierra 1500 SL Extended Cab Pickup, 4WD, Truck
99-2000 Sierra 1500 SL Standard Cab Pickup (Regular Cab), 4WD, Truck
99-2000 Sierra 1500 SLE Extended Cab Pickup, 4WD, Truck
99-2000 Sierra 1500 SLE Standard Cab Pickup (Regular Cab), 4WD, Truck
99-2000 Sierra 1500 SLT Extended Cab Pickup, 4WD, Truck
2002-2006 Sierra 1500 WT 4WD, Truck
2001-2006 Sierra 1500 (submodel: SLE, SLT) 4WD, Truck
2007 Sierra 1500 Classic (submodel: Hybrid, SL, SLE, SLT, WT) 4WD, Truck
2001-2003,2005-2006 Sierra 1500 HD (submodel: SLE, SLT) 4WD, Truck
2007 Sierra 1500 HD Classic (submodel: SLE, SLT) 4WD, Truck
2002-2003 Sierra 2500 Base Extended Cab Pickup, 4WD, Truck
2000-2002 Sierra 2500 SL Extended Cab Pickup, 4WD, Truck
2000-2003 Sierra 2500 (submodel: SLE, SLT) Extended Cab Pickup, 4WD, Truck
2004 Sierra 2500 (submodel: SLE, SLT) Crew Cab Pickup, 4WD, Truck, With 8600 lb. GVW
2002-2003 Sierra 2500 HD Base Extended Cab Pickup, 4WD, Truck
2001-2002 Sierra 2500 HD SL Extended Cab Pickup, 4WD, Truck
2001-2003 Sierra 2500 HD (submodel: SLE, SLT) Extended Cab Pickup, 4WD, Truck
2004 Sierra 2500 HD (submodel: Base, SLE, SLT, WT) Crew Cab Pickup, 4WD, Truck, With 8600 lb. GVW