Doc's Diesel DOC'S Chevrolet Silverado 4500/5500/6500 HD 6.6L Duramax Fuel Filter 2019-2023 | Replaces AC/Delco TP1021
Doc's Diesel DOC'S Chevrolet Silverado 4500/5500/6500 HD 6.6L Duramax Fuel Filter 2019-2023 | Replaces AC/Delco TP1021
Doc's Diesel DOC'S Chevrolet Silverado 4500/5500/6500 HD 6.6L Duramax Fuel Filter 2019-2023 | Replaces AC/Delco TP1021
Doc's Diesel DOC'S Chevrolet Silverado 4500/5500/6500 HD 6.6L Duramax Fuel Filter 2019-2023 | Replaces AC/Delco TP1021
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DOC'S Chevrolet Silverado 4500/5500/6500 HD 6.6L Duramax Fuel Filter 2019-2023 | Replaces AC/Delco TP1021
$39.99

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Docs' Diesel Fuel Filter / Water Separator:

Doc’s Diesel Fuel Filters are designed with high performance cellulose glass media that traps contaminants such as rust, dirt, debris, and harmful contaminants. New vehicle warranties stay in effect when Doc's Diesel filters are installed correctly and according to engine manufacturer's recommendations.

Product Details:

Designed with high efficiency media

Premium 3 layer pleated cellulose glass media that proves unparalleled protection to your fuel system

Large Capacity Filter Pleats that allow exceptional flow rates

Constructed with high strength carbon steel housing *when applicable

Vehicle Applications:

  • 2019-2023 Chevrolet/GMC 6.6L Duramax 4500/5500/6500 HD

Crossover #'s: 

  • Doc's DTP1021 Fuel Filter: AC/Delco TP1021

Change Interval: 

  • Above all recommendations, change according to your vehicle’s manufacturer warranty*
  • 5,000-10,000 Miles Recommended
  • 15,000 Miles Maximum

Docs' Diesel Fuel Filter / Water Separator:

Doc’s Diesel Fuel Filters are designed with high performance cellulose glass media that traps contaminants such as rust, dirt, debris, and harmful contaminants. New vehicle warranties stay in effect when Doc's Diesel filters are installed correctly and according to engine manufacturer's recommendations.

Product Details:

Designed with high efficiency media

Premium 3 layer pleated cellulose glass media that proves unparalleled protection to your fuel system

Large Capacity Filter Pleats that allow exceptional flow rates

Constructed with high strength carbon steel housing *when applicable

Vehicle Applications:

  • 2019-2023 Chevrolet/GMC 6.6L Duramax 4500/5500/6500 HD

Crossover #'s: 

  • Doc's DTP1021 Fuel Filter: AC/Delco TP1021

Change Interval: 

  • Above all recommendations, change according to your vehicle’s manufacturer warranty*
  • 5,000-10,000 Miles Recommended
  • 15,000 Miles Maximum
pdp filter

DOC'S DIESEL

THE NEW STANDARD IN AFTERMARKET FILTERS

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 premium grade media filter paper used on all Doc's Filters is what sets Doc's above the rest.