ECOGARD XA5042 Premium Engine Air Filter Fits Ford F-350, F-250, F Super Duty, F59 COMPATIBLE with 1994-1997 Ford F-350, 1994-1996 Ford F-250, 1995-1997 Ford F Super Duty, 1994-1997 Ford F59. IMPROVE PERFORMANCE by changing your vehicle's air filter at least every 12,000 miles (or as recommended in your car owner's manual); to ensure your vehicle's engine has the clean and efficient air flow it needs for fast acceleration and long term power. AVOID INCREASED ENGINE WEAR caused by dirty air intake filters that may allow damaging particles to get into the engine. FACTORY FIT FOR EASY INSTALLATION. Replaces: FRAM CA7438 Purolator A25042 WIX 46417 Motorcraft FA1617 OE F5TZ-9601A. SPECIFICALLY ENGINEERED AND TESTED for Ford OE (original equipment) engine air filter's fit, form, and function.