Doc's Auto Parts Engine Air Filter DA5587Docs 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

Back: Jersey-lined hood

not an every‑fill additive

From the workbench to the weekend

Durable construction with high-flow filter media

Avoids derates and downtime from low or poor-quality DEF

View each item for individual product specs

They optimize fuel flow and pressure

8L Duramax Fuel Filter 2016-2022

Doc's Chevrolet/GMC 6

Proven Clean Performance - Enhanced oxidation and thermal stability help reduce sludge and deposits

and lead to costly derates

Check Part Number: A serviceable filter typically has a Ford part number like HC3Z-6A785-A