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 Blazer: 1987, 1988, 1989, 1990, 1991] - [Chevrolet R10 Suburban: 1987, 1988] - [Chevrolet R10: 1987] - [Chevrolet R20 Suburban: 1987, 1988] - [Chevrolet R20: 1987, 1988] - [Chevrolet R2500: 1989] - [Chevrolet R30: 1987, 1988] - [Chevrolet R3500: 1989, 1990, 1991] - [Chevrolet V10 Suburban: 1987, 1988] - [Chevrolet V10: 1987] - [Chevrolet V20 Suburban: 1987, 1988] - [Chevrolet V20: 1987] - [Chevrolet V30: 1987, 1988] - [Chevrolet V3500: 1989, 1990, 1991] - [GMC Jimmy: 1987, 1988, 1989, 1990, 1991] - [GMC R1500 Suburban: 1987, 1988, 1989, 1990] - [GMC R1500: 1987] - [GMC R2500 Suburban: 1987, 1988, 1989, 1990] - [GMC R2500: 1987, 1988, 1989] - [GMC R3500: 1987, 1988, 1989, 1990, 1991] - [GMC V1500 Suburban: 1987, 1988, 1989, 1990] - [GMC V1500: 1987] - [GMC V2500 Suburban: 1987, 1988, 1989, 1990] - [GMC V2500: 1987] - [GMC V3500: 1987, 1988, 1989, 1990, 1991]