Doc's Diesel is the new standard in aftermarket diesel filters. Our Premium Diesel Filter line includes fuel, air, cabin air, water separator, and oil filters. Located in Northwest Ohio we are a grassroots company with a focus on high quality filters and providing a great value to our customers! Doc's Diesel Filters are spec'd and designed to meet or exceed the quality/performance of the original filters (OEM's) that come in your vehicle. Doc's Diesel 2020-2023 Chevrolet/GMC 6.6L Duramax Filter Kit includes (1) Fuel Filter - Replaces AC/Delco TP1015, Wix WF10448 (1) Oil Filter - Replaces GM 12684038, AC/Delco PF26, Wix WL10454(1) Air Filter - Replaces GM 84554703, Wix WA11057.