Napa Air Filter 9774Part No. 9774 Type AIR FILTER Brand NAPGLD Unit of Measure EACH Description Napa Air Filter Warranty Service Interval Type Round Height 93mm Inner Diameter Bottom 88mm Inner Diameter Top 88mm Outer Diameter Bottom 165mm Outer Diameter Top 165mm Features A Nationwide NAPA Warranty backs this Air Filter Prevents microscopic dust particles from damaging Cylinder walls, Pistons and Piston Rings, which could damage an Engine's performance. NAPA Air Filters