FRAM Extra Guard Air Filters are engineered with an advanced filter media that has been through rigorous testing and have been proven to provide 2X the engine protection* than the average leading standard retail brand air filter. 12,000 miles change intervals helps prevent decreased acceleration and horsepower while helping improve overall performance. FRAM engineering laboratories defines the air filter category by providing a clear choice over other filters. Follow recommended change intervals as noted in your vehicle's owner's manual. *Based on Fram Group testing of filter efficiency of models CA4309, CA8755A, CA8039, CA326 and CA6479 and their standard retail brand equivalent under ISO 5011. Compatibylity Options: 1997-2001 FORD EXPLORER V6 4.0L, 1997-2001 FORD EXPLORER V8 5.0L, 2001-2002 FORD EXPLORER SPORT V6 4.0L, 2001-2002 FORD EXPLORER SPORT TRAC V6 4.0L, 2001-2004,2009-2011 FORD RANGER L4 2.3L, 1998-2001 FORD RANGER L4 2.5L, 1998-2004 FORD RANGER V6 3.0L, 1997-2004,2009-2011 FORD RANGER V6 4.0L, 2001-2004 MAZDA B2300 L4 2.3L, 1998-2001 MAZDA B2500 L4 2.5L, 1998-2004 MAZDA B3000 V6 3.0L, 1998-2004 MAZDA B4000 V6 4.0L, 1998-2001 MERCURY MOUNTAINEER V6 4.0L, 1997-2001 MERCURY MOUNTAINEER V8 5.0L