This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet C5500 Kodiak: 1990, 1991] - [Chevrolet C60 Kodiak: 1990, 1991, 1992, 1993, 1994, 1995, 1996] - [Chevrolet C6500 Kodiak: 1997, 1998] - [Chevrolet C70 Kodiak: 1990, 1991, 1992, 1993, 1994, 1995, 1996] - [Chevrolet C7500 Kodiak: 1997, 1998] - [GMC C5000 Topkick: 1990, 1991] - [GMC C6000 Topkick: 1990, 1991, 1992, 1993, 1994, 1995, 1996] - [GMC C6500 Topkick: 1997, 1998] - [GMC C7000 Topkick: 1990, 1991, 1992, 1993, 1994, 1995, 1996] - [GMC C7500 Topkick: 1997, 1998]