Doc's Auto Parts Engine Air Filter DA6119Docs 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

When the DEF is clean and reliable

Interval Fuel Treatment: Use 8oz of Interval Fuel Treatment per 20 gallons of diesel fuel

DCS10263+D5526

and disperses water/moisture

sealing it so you can remove the filter without oil spilling everywhere

The Diesel Treatment boosts cetane 7-points

Enhances fuel lubricity for pump & injector protection

Doc's 15W-40 SEMI Synthetic Heavy Duty Diesel Oil

The heavy-duty silicone gasket holds a tight seal

500 miles maximum

DGF400+D5335+DPA6314

Doc's DEF Fluid Safety Data Sheet