About

About Doc's Diesel Doc's Diesel is the new standard in replacement diesel filters, oils, and more, known for quality and reliability in the automotive diesel parts industry. Our premium line of products includes engine air filters, cabin air filters, fuel filters, oil filters, transmission filters, a variety of oil and additives as well as brake pads/rotors and hub assemblies for Cummins, Powerstroke, Duramax, and EcoDiesel engines. Our products are rigorously tested by SGS + IBR Laboratories (the world’s leading inspection, verification, certification, and testing company) and inspected to meet OEM Micron and efficiency ratings. Every filter in our lineup is engineered to meet or exceed OEM standards. Doc's Diesel is the new standard in diesel replaceable filters, known for quality and reliability in the aftermarket automotive diesel parts industry. Our premium filter line includes engine air, cabin air, fuel filters, oil filters, and a variety of oil and additives for Cummins, Powerstroke, Duramax, and EcoDiesel Trucks.