ECOGARD XA10181 Premium Engine Air Filter Fits Buick Regal / Chevrolet Malibu / Cadillac XTS COMPATIBLE with 2014-2017 Buick Regal, 2013-2015 Chevrolet Malibu, 2015-2017 Cadillac XTS. 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 CA11251 Purolator A46279 OE 20972655. SPECIFICALLY ENGINEERED AND TESTED for Buick, Chevrolet, Cadillac OE (original equipment) engine air filter's fit, form, and function.