Doc's Auto Parts Engine Air Filter DA5488Docs 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

Always safe to add SOS Diesel directly to the fuel filter for a sure thaw

If Engine is NOT Running:

while deep-pleated filter media captures more contaminants to support smoother operation

Doc's Diesel Ford 6

tighten axle nut to 263 ft-lbs / 356 Nm

Two flap pockets with button closure

Heavy-Duty & High-Mileage engines use 2

Residue-free cleaning that leaves surfaces ready for assembly

Truly the All-in-One

Doc’s Diesel Powerstroke ULV keeps your transmission running clean

Caution: Do not refill container

Cleans cylinders