Doc's Auto Parts Engine Air Filter DA11922Docs 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

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

D5335+D15W40SEMI

Includes a contractor pencil and holder

1 Oil Filter

Dosage: 12 oz treats up to 40 gallons of diesel

non-acidic

Minimizes metal to metal contact

Regular maintenance gives your truck the protection it needs for tough jobs

Show your Doc's pride with our durable Shop Flag

while SRW (Single Row) engines do not

DP2223+DR3457-2

Use once every 6