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 Escort: 1999 - 2003 Explorer Sport: 2002 - 2003 Explorer Sport Trac: 2002 - 2005 Ranger: 2001 - 2011 Taurus: 2003 - 2005 Mercury Cougar: 1999 - 2002 Sable: 2003 - 2005