Doc's Auto Parts Engine Air Filter DA5821 Count:6 Doc's Diesel Transmission Filters are

Doc's Diesel Transmission Filters are made to keep your rig shifting smoothly and running right

48% Efficiency Rating - Efficiency SAE J1985 3rd-Party Test Results

while helping melt snow and smooth hot turbo air without killing performance

Premium upgrade from stock replacement brake rotors

The included additive package has proven to reduce wear up to 71% in Cummins ISM severe service test

Doc's Auto Parts Engine Air Filter DA5821 Count:6 Doc's Diesel Transmission Filters areDocs 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