Doc's Auto Parts Engine Air Filter DA5804Docs 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

injector fouling & asphaltenes

DFD4625+D6128+DPA10580+D3806+D15W40SEMI

protecting critical engine components in severe service cycles like high-speed hauls or short-stop deliveries

pour additive into tank prior to filling with diesel fuel

Doc’s Diesel DPF & Injector Diesel Fuel Flush:

It comes ready to install right out of the box

Powered by science

Engineered for outstanding wear protection

Oil capacity is 2

May be used in conjunction with other diesel fuel treatments

DGF429+D11878

At Doc’s Diesel