ECOGARD XA4807 Premium Engine Air Filter Fits Infiniti Q45, FX45, M45 COMPATIBLE with 1990-2006 Infiniti Q45, 2003-2008 Infiniti FX45, 2003-2004 Infiniti M45. 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 CA6849 Purolator A24807 WIX 46053 OE 16546-60U00. SPECIFICALLY ENGINEERED AND TESTED for Infiniti OE (original equipment) engine air filter's fit, form, and function.