ECOGARD XA113 Premium Engine Air Filter Fits Ford F-150, F-250, LTD, F-350, F-100, Bronco / Mercury Montego / Lincoln Continental / Mercury Grand Marquis / Lincoln Town Car / Ford Mustang COMPATIBLE with 1977-1985 Ford F-150, 1977-1985 Ford F-250, 1972-1986 Ford LTD, 1977-1985 Ford F-350, 1977-1983 Ford F-100, 1978-1985 Ford Bronco, 1972-1976 Mercury Montego, 1977-1985 Lincoln Continental, 1977-1989 Mercury Grand Marquis. 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 CA351 Purolator A40113 WIX 42073 Motorcraft FA97R OE D2AF-9601AA. SPECIFICALLY ENGINEERED AND TESTED for Ford, Mercury, Lincoln, OE (original equipment) engine air filter's fit, form, and function.