This part fits vehicles made in the following years 1999,2000,2001,2002,2003,2004 This part generally fits Cadillac, Chevrolet, GMC vehicles and includes models such as Avalanche 1500,Avalanche 2500,C3500HD,Escalad e EXT,Escalade,Sierra 1500 HD,Sierra 1500,Sierra 2500 HD,Sierra 2500,Sierra 3500,Silverado 1500 HD,Silverado 1500,Silverado 2500 H D,Silverado 2500,Silverado 3500,Suburban 1500,Suburban 2500,Tahoe,Yukon XL 1500,Yukon XL 2500,Yukon with the trims of 400 SS Stand ard Cab Pickup 2-Door,Base Cab & Chassis - Conventional 2-Door,Base Cab & Chassis - Crew Cab 4-Door,Base Cab & Chassis 2-Door,Base Cab & Chassis 4-Door,Base Crew Cab Pickup 4-Door,Base Extended Cab Pickup 2-Door,Base Extended Cab Pickup 3-Door, Base Extended Cab Pickup 4-Door,Base Sport Utility 4-Door,Base Standard Cab Pickup 2-Door,Cheyenne Standard Cab Pickup 2-Door,Cust om Standard Cab Pickup 2-Door,Denali Extended Cab Pickup 4-Door,Denali Sport Utility 4-Door,HD Standard Cab Pickup 2-Door,HT Stand ard Cab Pickup 2-Door,LS Cab & Chassis 2-Door,LS Cab & Chassis 4-Door,LS Crew Cab Pickup 4-Door,LS Extended Cab Pickup 2-D oor,LS Extended Cab Pickup 3-Door,LS Extended Cab Pickup 4-Door,LS Sport Utility 4-Door,LS Standard Cab Pickup 2-Door,LT Cab & Chassis 2-Door,LT Crew Cab Pickup 4-Door,LT Extended Cab Pickup 2-Door,LT Extended Cab Pickup 3-Door,LT Extended Cab Pickup 4-Doo r,LT Sport Utility 4-Door,North Face Crew Cab Pickup 4-Door,On Road Edition Crew Cab Pickup 4-Door,SL Cab & Chassis 2-Door,SL Cab & Chassis 4-Door,SL Crew Cab Pickup 4-Door,SL Extended Cab Pickup 2-Door,SL Extended Cab Pickup 3-Door,SL Extended Cab Pic kup 4-Door,SL Standard Cab Pickup 2-Door,SLE Cab & Chassis 2-Door,SLE Cab & Chassis 4-Door,SLE Crew Cab Pickup 4-Door,SLE Extended Cab Pickup 2-Door,SLE Extended Cab Pickup 3-Door,SLE Extended Cab Pickup 4-Door,SLE Sport Utility 4-Door,SLE Standard Cab Pickup 2-Door,SLT Cab & Chassis 2-Door,SLT Crew Cab Pickup 4-Door,SLT Extended Cab Pickup 2-Door,SLT Extended Cab Pickup 3-Do or,SLT Extended Cab Pickup 4-Door,SLT Sport Utility 4-Door,WBH Crew Cab Pickup 4-Door,WT Standard Cab Pickup 2-Door,Z71 Crew Cab P ickup 4-Door,Z71 Sport Utility 4-Door. The engine types may include 4.8L 294Cu. In. V8 GAS OHV Naturally Aspirated, 5.3L 5328CC 325 Cu. In. V8 FLEX OHV Naturally Aspirated, 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated, 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated, 6.0L 5967CC 364Cu. In. V8 BI-FUEL OHV Naturally Aspirated, 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated, 6.0L 59 67CC 364Cu. In. V8 GAS OHV Naturally Aspirated, 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged, 8.1L 496Cu. In. V8 GAS OHV Natura lly Aspirated