ECOGARD XA5698 Premium Engine Air Filter Fits 2004-2009 Toyota Prius COMPATIBLE with 2004-2009 Toyota Prius. 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 CA10159 Purolator A25698 WIX 49116 OE 17801-21040. SPECIFICALLY ENGINEERED AND TESTED for Toyota OE (original equipment) engine air filter's fit, form, and function.