Certain original equipment exhaust manifolds warp and crack due to lower-grade iron construction. This Dorman OE FIX replacement is made of high-grade ductile iron that better handles heat and stress for greater durability. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet B7: 1993, 1994, 1995, 1996, 1997, 1998] - [Chevrolet C5500 Kodiak: 1990, 1991] - [Chevrolet C60 Kodiak: 1990, 1991, 1992, 1993, 1994, 1995, 1996] - [Chevrolet C60: 1989, 1990] - [Chevrolet C6500 Kodiak: 1997, 1998] - [Chevrolet C70 Kodiak: 1990, 1991, 1992, 1993, 1994, 1995, 1996] - [Chevrolet C70: 1989, 1990] - [Chevrolet C7500 Kodiak: 1997, 1998] - [Chevrolet P6000: 1992, 1993, 1994, 1995, 1996] - [Chevrolet T6500: 1997, 1998] - [Chevrolet T7500: 1997, 1998] - [GMC B7: 1993, 1994, 1995, 1996, 1997, 1998] - [GMC C5000 Topkick: 1990, 1991] - [GMC C6000 Topkick: 1990, 1991, 1992, 1993, 1994, 1995, 1996] - [GMC C6000: 1989, 1990] - [GMC C6500 Topkick: 1997, 1998] - [GMC C7000 Topkick: 1990, 1991, 1992, 1993, 1994, 1995, 1996] - [GMC C7000: 1989, 1990] - [GMC C7500 Topkick: 1997, 1998] - [GMC P6500: 1992, 1993, 1994, 1995, 1996] - [GMC T7500: 1997, 1998]