Backed by the Motorcraft Service Parts Warranty which offers 2 years unlimited mileage limited labor cost and no commercial exceptions. Warranty is supported nationwide by Ford/Lincoln dealers and Ford Authorized Distributors. The only parts recommended by Ford Motor Company for Ford Lincoln and Mercury vehicles. Designed to exacting Ford Original Equipment specifications to maintain recommended coolant temperature for optimal engine temperature and heater performance. Stainless steel or brass bridge and spring frame is channel-constructed for strength and rigidity. Tapered-end stainless steel pistons feature flexible elastomeric boots. Streamlined venturi nozzle for maximum coolant flow. Mounting flange is designed for an optimal thermostat fit in the engine housing. Stroke-tested heat-tested pressure-tested and endurance-tested in real-world conditions equivalent to 10-year/150 000 miles of in-vehicle performance for passenger car and light trucks Vehicle Linkages Car/Truck Ford Aerostar: 1986 - 1989 E-150 Econoline: 1987 - 1996 E-150 Econoline Club Wagon: 1987 - 1996 E-250 Econoline: 1987 - 1996 E-250 Econoline Club Wagon: 1987 - 1991 E-350 Econoline: 1987 - 1996 E-350 Econoline Club Wagon: 1987 - 1996 Escort: 1985 - 1987 F-150: 1987 - 1997 F-250: 1987 - 1997 F-350: 1987 - 1997 Mustang: 1970 - 1972 1985 - 1993 Ranger: 1986 - 1997 Tempo: 1985 - 1987 Thunderbird: 1985 - 1988 Mercury Capri: 1985 - 1986 Cougar: 1985 - 1986 Lynx: 1985 - 1987 Topaz: 1985 - 1987