POTAUTO MAP 6038 (CA11450) Engine Air Guard Filter Replacement for NISSAN, Altima Spec.: 11.76" (Length), 11.56" (Width), 1.2" (Height); On-pack directions and illustrations provide clear installation instructions. Applications Where Used: NISSAN (Altima 13-18) (See Amazon Part Finder for fitments to your cars) Competitor Cross Reference Part Numbers (for reference only, please check size): CHAMP AF5220, HASTINGS AF1559, K & N 33-2478, LUBER-FINER AF5220, NISSAN 16546-3TA0A, SERVICE CHAMP WAF5220, WARNER WAF5220, WIX 49073, FRAM CA11450 Benefits: A clean air filter improves air flow and prevents dirt and dust from entering the engine. Improve fuel mileage & protect engine! *** Change intervals help prevent decreased acceleration and horsepower while helping improve overall performance. *** LEGAL DISCLAIMER: The Brand name & Model # (if listed) are for cross reference only. All Brands, Trademarks & Model Numbers remain the property of their respective owners.