The engine types may include 5.7L 350Cu. V8 DIESEL OHV Naturally Aspirated,5.7L 350Cu. V8 GAS OHV Naturally Aspirated,6.2L 379Cu. V8 DIESEL OHV Naturally Aspirated. This part fits vehicles made in the following y ears 1980,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991.