Doc's Auto Parts Engine Air Filter DA9940 1988-1997 Doc’s DEF Guard Diesel Exhaust

Doc’s DEF Guard Diesel Exhaust Fluid Additive

Constructed with high strength carbon steel housing (when applicable)

Freezing doesn’t hurt it

Can be used on plastics

1 Oil Filter

Doc's Auto Parts Engine Air Filter DA9940 1988-1997 Doc’s DEF Guard Diesel ExhaustDocs 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