Doc's Auto Parts Engine Air Filter DA5592 Count:1 Diesel-focused design is perfect for

Diesel-focused design is perfect for ¾- and 1-ton truck applications

Reapply with each DEF fill-up for best results

13% Efficiency Rating - Efficiency SAE J1985 3rd-Party Test Results

Rev up your style with our tough

dye-free formula is made for every DEF fill-up to cut repairs

Doc's Auto Parts Engine Air Filter DA5592 Count:1 Diesel-focused design is perfect forDocs Auto Parts Engine Air Filters: Doc's Auto Parts Premium Engine Air Filters are built for reliable performance and everyday durability. They help block dirt, dust, and debris that can cause premature engine wear, keeping clean air flowing to your engine. A high quality silicone gasket creates a secure seal, even in harsh or dusty driving conditions, while deep pleated filter media captures more contaminants to support smoother operation, improved