Motorcraft Spark Plug Boot WR-6131 Fits select: 2004-2008 FORD F150, 2005-2008 FORD F250

Motorcraft parts fit right the first time for quicker, easier installation. Boots must pass submerged and pressurized leak tests, as well as low temperature cycle tests. Durability tests subject boots to 225,000 performance cycles including temperature extremes from minus 40 degrees F to 275 degrees F. Salt and grit exposure tests for 45,000 cycles help ensure contaminants cannot get past sealing surfaces. High dialectic insulation helps maintain and control voltage delivery while reducing radio frequency interference. EPDM/Silicone wire jacket, spark plug and coil/distributor insulators help protect against oil and high temperatures. Electrical resistance and continuity designed for application specific standards. Terminal ends are designed to help ensure they do not separate from the cable under normal service conditions. Motorcraft ignition components help prevent false check engine lights. 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 Motorcraft Ignition Boots are engineered to provide original equipment performance and reliability. All Motorcraft parts undergo rigorous lab and real world tests in order to meet strict Ford engineering standards. Vehicle Linkages Medium/Heavy Truck Ford F-450 Super Duty: 2005 - 2008 F-550 Super Duty: 2005 - 2008 F53: 2004, 2006 - 2008 Car/Truck Ford Expedition: 2005 - 2008 Explorer: 2006 - 2008 Explorer Sport Trac: 2007 - 2008 F-150: 2004 - 2008 F-250 Super Duty: 2005 - 2008 F-350 Super Duty: 2005 - 2008 Mustang: 2005 - 2008 Lincoln Navigator: 2005 - 2008 Mercury Mountaineer: 2006 - 2008