Doc's Diesel Chevrolet Colorado/GMC Canyon 2.8L Duramax Filter Combo Kit 2016-2022 2020-2025 The foam pre-filter catches larger

The foam pre-filter catches larger dust to keep airflow strong and main filters clean

A clean transmission filter means less heat

or blended oils

and disperses water/moisture

Doc's Diesel & Hot Shot's Secret are partnering to bring their #1 Fuel Treatment to the Doc's Family with Interval Fuel Treatment

Doc's Diesel Chevrolet Colorado/GMC Canyon 2.8L Duramax Filter Combo Kit 2016-2022 2020-2025 The foam pre-filter catches largerDoc's Diesel Filter Combo Kits: Docs Diesel Combo Kits save you time and money by giving you the filters you need in one convenient package. No more running around trying to find the right parts. Just grab a kit and get the job done! Swapping filters on time keeps your truck running strong and efficient, and with our Combo Kits, its easier than ever. Product Details: View each item for individual product specs. Includes 1 Fuel Filter, 1 Engine Air