ECOGARD XA5278 Premium Engine Air Filter Fits Lexus GS300, IS300 COMPATIBLE with 1998-2005 Lexus GS300, 2001-2005 Lexus IS300. 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 CA8613 Purolator A35278 WIX 46465 OE 17801-46080. SPECIFICALLY ENGINEERED AND TESTED for Lexus OE (original equipment) engine air filter's fit, form, and function.