Doc's Auto Parts Fuel Filter DG3739 Cummins Anti-Drain Back Valve helps prevent

Anti-Drain Back Valve helps prevent engine dry start (when applicable)

Doc’s Diesel Powerstroke ULV keeps your transmission running clean

with high-flow synthetic media and a heavy-duty metal housing for longer life and better filtration

smooth and quiet braking

Doc's Auto Parts Fuel Filter DG3739 Cummins Anti-Drain Back Valve helps preventDocs Auto Parts Fuel Filters: Doc's Auto Parts Fuel Filters remove contaminants like dirt, rust, and debris, protecting fuel system components and ensuring peak engine performance. They optimize fuel flow and pressure, enhancing acceleration, fuel economy, and vehicle performance. With a focus on maximizing filtration media surface area, our high quality filters come complete with o rings as needed. Product Details: Designed with high efficiency media