This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life. Vehicle model years this part fits (be sure to check your vehicle trim using the Amazon garage) - [Chevrolet C1500: 1991, 1992, 1993] - [Chevrolet C2500 Suburban: 1992, 1993, 1994, 1995] - [Chevrolet C2500: 1991, 1992, 1993, 1994, 1995] - [Chevrolet C3500: 1991, 1992, 1993, 1994, 1995] - [Chevrolet C3500HD: 1991, 1992, 1993, 1994, 1995] - [Chevrolet G30: 1991, 1992, 1993, 1994, 1995, 1996] - [Chevrolet K2500 Suburban: 1992, 1993, 1994, 1995] - [Chevrolet K2500: 1991, 1992, 1993, 1994, 1995] - [Chevrolet K3500: 1991, 1992, 1993, 1994, 1995] - [Chevrolet P30: 1991, 1992, 1993, 1994, 1995, 1996] - [Chevrolet R2500 Suburban: 1991] - [Chevrolet R3500: 1991] - [Chevrolet V3500: 1991] - [GMC C2500 Suburban: 1992, 1993, 1994, 1995] - [GMC C2500: 1991, 1992, 1993, 1994, 1995] - [GMC C3500: 1991, 1992, 1993, 1994, 1995] - [GMC C3500HD: 1991, 1992, 1993, 1994, 1995] - [GMC G3500: 1991, 1992, 1993, 1994, 1995, 1996] - [GMC K2500 Suburban: 1992, 1993, 1994, 1995] - [GMC K2500: 1991, 1992, 1993, 1994, 1995] - [GMC K3500: 1991, 1992, 1993, 1994, 1995] - [GMC P3500: 1991, 1992, 1993, 1994, 1995] - [GMC R2500 Suburban: 1991] - [GMC R3500: 1991] - [GMC V3500: 1991]