Bosch Workshop Engine Air Filters are constructed with a high number of pleats for robust particle holding capacity 98% filtration efficiency in removing small particles from incoming air to guard against engine wear High velocity cellulose cured media provides minimum air resistance and ensures even pleat distance for optimum efficiency Polyurethane foam seal provides elasticity and sealing performance, while protecting against water and heat intrusion into the air intake system All features combined ensure only the cleanest air for strong engine protection, high-performance, and better fuel efficiency Compatible with select vehicles (Note: vehicle trim level/engine may affect fitment - verify specific vehicle fitment details with fit checker above): FORD: 2003-14 E-150, 2003-05 E-150 Club Wagon, 1997-02 E-150 Econoline Compatible with (continued): FORD: 1997-02 E-150 Econoline Club Wagon, 2003-14 E-250, 1997-02 E-250 Econoline, 2003-05 Club Wagon, 1997-98 E-350 Econoline, 1997-02 E-350 Econoline Club Wagon, 1999-19 E-350 Super Duty Compatible with (continued): FORD: 1999-02 E-450 Econoline Super Duty, 2003-19 E-450 Super Duty, 2002 E-550 Econoline Super Duty, 2003 E-550 Super Duty, 1997-99 Econoline Super Duty, 2000-05 Excursion, 1997-04 Expedition, 1997-08 F-150 Compatible with (continued): FORD: 2004 F-150 Heritage, 1997-99 F-250, 1999-04 F-250 Super Duty, 1999-04 F-350 Super Duty, 1999-04 F-450 Super Duty, 1999-03 F53 Motorhome Chassis, 1999-04 F-550 Super Duty, 1996-04 Mustang Compatible with (continued): LINCOLN: 2002 Blackwood, 1995-02 Continental, 1998-04 Navigator