Doc's Auto Parts Engine Air Filter DA11674 Treatment repeat application as necessary

repeat application as necessary

7L Cummins Fuel Filter 2025-2026: 3 Micron @ 93

You should add Doc’s Diesel Oil Friction Treatment with every oil change

and EcoDiesel Engines

Consult the Owner’s Manual or Service Manual: Review the maintenance section to see if the filter is mentioned as a replaceable item

Doc's Auto Parts Engine Air Filter DA11674 Treatment repeat application as necessaryDocs 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