Description: Compatible with: Compatible with Escalade Base 2002 Compatible with Escalade EXT Base 2002 Compatible with Avalanche 1500 2002 Compatible with Camaro 2000-2002 Compatible with Silverado 1500 WT 2002 Compatible with Silverado 1500 2000-2002 Compatible with Silverado 1500 1999 Compatible with Silverado 1500 HD 2001-2002 Compatible with Silverado 2500 2000-2002 Compatible with Silverado 2500 1999 Compatible with Silverado 2500 HD 2001-2002 Compatible with Silverado 3500 2001-2002 Compatible with Suburban 1500 Base 2000-2001 Compatible with Suburban 1500 2000-2002 Compatible with Suburban 2500 Base 2000-2001 Compatible with Suburban 2500 2000-2002 Compatible with Tahoe Base 2000-2001 Compatible with Tahoe 2000-2002 Compatible with Sierra 1500 2000-2002 Compatible with Sierra 1500 2002 Compatible with Sierra 1500 1999 Compatible with Sierra 1500 HD 2001-2002 Compatible with Sierra 2500 Base 2002 Compatible with Sierra 2500 2000-2002 Compatible with Sierra 2500 1999 Compatible with Sierra 2500 HD Base 2002 Compatible with Sierra 2500 HD 2001-2002 Compatible with Sierra 3500 Base 2002 Compatible with Sierra 3500 2001-2002 Compatible with Yukon 2000-2002 Compatible with Yukon XL 1500 Denali GAS 2001-2002 Compatible with Yukon XL 1500 GAS 2000-2002 Compatible with Yukon XL 1500 FLEX 2002 Compatible with Yukon XL 2500 GAS 2000-2002 Compatible with Firebird 2000-2002 Compatible with GTO Base 2004Package Included: 1x throttle position sensor 1x idle air control valve