Doc's Auto Parts Cabin Air Filter DC3731Docs Auto Parts Cabin Air Filters: Docs Auto Parts Cabin Air Filters are built to improve the air quality inside your vehicle by removing dust, pollen, and other airborne particles. Theyre one of the easiest filters to replace typically located behind the glove box on most makes and models and are designed for a precise fit. Installing a Docs Auto Parts Cabin Air Filter wont affect your vehicles warranty, as long as its done according to the

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

5 gallons of DEF

and challenging road or terrain use

Heads up: Your engine needs 2

Oil Filter: 25 Micron @ 99% Efficiency Rating

change every 6 months

helps you get better fuel mileage

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Doc's Chevrolet/GMC Express

it’s a smarter choice for the shop

and dependable performance in a wide range of vehicles