This part generally fits Chevrolet,GMC,Isuzu vehicles and includes models such as NPR,W3500 Forward,W3500 Tiltmaster,W4500 Forward ,W4500 Tiltmaster with the trims of Base Straight Truck - Low Tilt,Base Stripped Chassis - Incomplete,Base,W3S042 Straight Truck - Low Tilt,W3S042,W4S042 Straight Truck - Low Tilt,W4S042. The engine types may include 3.9L 236Cu. In. l4 DIESEL Turbocharged,4.8L 290Cu. In. l4 DIESEL Turbocharged,5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated,5.7L 5733CC 350Cu. In. V8 GAS Naturally Aspirate d,6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated. This part fits vehicles made in the following years 1987,1988,1989,1990,1 991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003.