Doc's Diesel Filter Sets: Doc’s Diesel Filter Sets 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 Filter Sets, it’s easier than ever. Product Details: View each item for individual product specs. Includes 1 Fuel Filter, 1 Oil Filter, 1 Transmission Filter Kit Doc's Chevrolet/GMC 6.6L/3.0L Duramax Fuel Filter 2017-2025 Doc's Chevrolet/GMC 6.6L Duramax Oil Filter 2001-2019 Doc's Chevrolet/GMC 6.6L Duramax Transmission Filter Kit 2001-2019 Doc's auto parts all have an OEM design, fit, and function that meet or exceed OEM Requirements Micron + Efficiency Rating: Doc's Fuel Filter: 3 Micron @ 98.13% Efficiency Rating - Efficiency SAE J1985 3rd-Party Test Results Doc's Oil Filter: 25 Micron @ 99% Efficiency Rating Fitment, Interchange + Doc's Part Number: Vehicle Fitment: 2017-2019 Chevrolet/GMC 6.6L Duramax 2500HD, 3500HD Interchange: Doc's Chevrolet/GMC 6.6L/3.0L Duramax Fuel Filter 2017-2025 DGF429: AC/Delco TP1015, Wix WF10451, Premium Guard DF99173, Purolator F21393 Doc's Chevrolet/GMC 6.6L Duramax Oil Filter 2001-2019 P5399: GM 88917036, AC/Delco PF2232, Wix 57202, Baldwin B1441, Premium Guard PG5399, Purolator L35399 Doc's Chevrolet/GMC 6.6L Duramax Transmission Filter Kit 2001-2019 DF209: Allison 29539579, Wix 57701, Premium Guard PT1276 Doc's Part Number: DGF429+DF209+D5399 Change Interval: Above all recommendations, change according to your vehicle’s manufacturer's warranty. Fuel Filters: Every 5,000-10,000 miles or 15,000 miles maximum Oil Filters: Every 5,000-7,000 miles or 10,000-15,000 miles maximum Transmission Filters: Every 25,000-50,000 miles or 60,000 miles maximum