ECOGARD XA6145 Premium Engine Air Filter Fits Cadillac SRX / Saab 9-4X COMPATIBLE with 2010-2016 Cadillac SRX, 2011 Saab 9-4X. 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 CA10867 Purolator A46145 WIX 49158 OE 15913344. SPECIFICALLY ENGINEERED AND TESTED for Cadillac, Saab OE (original equipment) engine air filter's fit, form, and function.