Doc's Diesel Ford 7.3L Powerstroke Air Filter 1999-2003 ATF+4 long-lasting friction that helps reduce

long-lasting friction that helps reduce both noise and brake dust

increases fuel economy and is proven to provide up to 78% less oil consumption than the specification during the CAT 1N test

6L Duramax Transmission Filter Kit 2001-2019

Easily install in only 5-10 minutes

and ready for anything

Doc's Diesel Ford 7.3L Powerstroke Air Filter 1999-2003 ATF+4 long-lasting friction that helps reduceDoc's Diesel Engine Air Filters: Doc's Diesel Premium Engine Air Filters are made for hard working diesel engines that dont quit. They block out dirt, dust, and debris that can wear down your motor over time. The heavy duty silicone gasket holds a tight seal, even when you're running in rough, dusty conditions, and deep pleated filter paper traps more grime to help your truck run longer, stronger, and more efficiently. The foam pre filter catches