Motorcraft Engine Coolant Thermostat RT-1145 Fits select: 1997-2003,2005-2008 FORD F150

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. 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 fit in the engine housing. Stroke-tested, heat-tested, pressure-tested and endurance-tested in real-world conditions to 10-year/150,000 miles equivalent. Motorcraft Thermostats are designed to exacting Ford Original Equipment specifications to maintain recommended coolant temperature for optimal engine temperature and heater performance. Vehicle Linkages Car/Truck Ford E-150: 2003 E-150 Club Wagon: 2003 E-150 Econoline: 1997 - 2002 E-150 Econoline Club Wagon: 1997 - 2002 E-250: 2003 E-250 Econoline: 1997 - 2002 F-150: 1997 - 2003, 2005 - 2008 F-150 Heritage: 2004 Windstar: 1997