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 Medium/Heavy Truck Ford E-450 Econoline Super Duty: 2000 - 2002 E-450 Super Duty: 2003 - 2008 E-550 Econoline Super Duty: 2002 E-550 Super Duty: 2003 F-450 Super Duty: 1999 - 2008 F-550 Super Duty: 1999 - 2007 F53: 1997 Car/Truck Ford E-150: 2003 - 2008 E-150 Club Wagon: 2003 - 2005 E-150 Econoline: 1996 - 2002 E-150 Econoline Club Wagon: 1996 - 2002 E-250: 2003 - 2008 E-250 Econoline: 1996 - 2002 E-350 Club Wagon: 2003 - 2005 E-350 Econoline: 1996 - 1998 E-350 Econoline Club Wagon: 1996 - 2002 E-350 Super Duty: 2004 - 2008 Excursion: 2000 - 2005 Expedition: 1997 - 2002 F-150: 1997 - 2008 F-150 Heritage: 2004 F-250 Super Duty: 1999 - 2008 F-350 Super Duty: 1999 - 2008 Lincoln Mark LT: 2006 - 2008 Navigator: 1998 - 2002