This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet G30: 1991, 1992, 1993, 1994, 1995, 1996] - [Chevrolet P20: 1989] - [Chevrolet P30: 1989, 1990, 1991, 1992, 1993, 1994, 1995] - [Chevrolet W3500 Tiltmaster: 1995] - [Chevrolet W4500 Tiltmaster: 1993, 1994, 1995] - [GMC G3500: 1991, 1992, 1993, 1994, 1995, 1996] - [GMC P2500: 1989] - [GMC P3500: 1989, 1990, 1991, 1992, 1993, 1994, 1995] - [GMC W3500 Forward: 1995] - [Isuzu NPR: 1993, 1994, 1995]