ECOGARD XA4646 Premium Engine Air Filter Fits 1990-2000 Lexus LS400 COMPATIBLE with 1990-2000 Lexus LS400. 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 CA6821 Purolator A44646 WIX 46058 OE 17801-50010. SPECIFICALLY ENGINEERED AND TESTED for Lexus OE (original equipment) engine air filter's fit, form, and function.