Doc's Auto Parts Engine Air Filter DA4866Docs 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

Gaskets are made with premium rubber NBR material

pour additive into tank prior to filling with diesel fuel

they help reduce sludge buildup

5W-40 maintains its viscosity under high heat and heavy loads

DFD4625+DPA11885+D6128+D3806

This handy 15oz mug will keep your beverage hot or cold for hours

If you're buying our 2-gallon kit

Suitable for both new emissions-compliant rigs and older engines

4L Powerstroke Air Filter 2008-2010

and consistent performance in all conditions

versatile shine by letting it sit or wipe for a "like-new" finish

Improved shear stability and oxidation control under high thermal stress