Every TRW part has four levels of testing/technical/audit review before approval is given including endurance testing of 500K cycles Made with thermoplastic to increase flexibility and avoid cracking, providing a superior lifespan Low friction design restores steering and suspension systems back to their original operating performance For confirmed fitment of this TRW Automotive Radius Arm Bushing please verify your vehicle with the Amazon 'Check Fit' option Fits: Ford E-100 Econoline: 1973 - 1983, Ford E-100 Econoline Club Wagon: 1975 - 1983, Ford E-150: 2003 - 2007, Ford E-150 Club Wagon: 2003 - 2005, Ford E-150 Econoline: 1975 - 2002, Ford E-150 Econoline Club Wagon: 1975 - 2002, Ford E-200 Econoline: 1973 - 1974, Ford E-250: 2003 - 2006, Ford E-250 Econoline: 1975 - 2002, Ford E-250 Econoline Club Wagon: 1975 - 1991, Ford E-300 Econoline: 1973 - 1974, Ford E-350 Club Wagon: 2003 - 2005, Ford E-350 Econoline: 1975 - 2000, Ford E-350 Econoline Club Wagon: 1977 - 2002, Ford E-350 Super Duty: 1999 - 2007, Ford E-450 Econoline Super Duty: 1999 - 2002, Ford E-450 Super Duty: 2003 - 2007, Ford Econoline Super Duty: 1996 - 1999, Ford F-100: 1975 - 1979, Ford F-150: 1975 - 1979, Ford F-250: 1975 - 1979, Ford F-350: 1975 - 1979