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When purchasing a product, price is the consumer's primary concern. At present, Doc's Diesel has 197 products for sale. Doc's Diesel products range in price from $14.99 to $170.99, and the average price of all the products is about $79.19.

We found that most of the Doc's Diesel products are manufactured by Doc's Auto Parts and ‎Doc's Diesel. The manufacturers provide Doc's Diesel with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase Doc's Diesel products from the seller Doc's Diesel. The brand holds an average rating of 4.6, testifying to its excellent reputation.

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Doc's Diesel Best Sellers

Last Updated: Jan 9, 2026

Doc's Diesel Fuel/Water Separator DGF430+DGF401 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2019-2024 | Replaces 68157291AA, 68436631AA

  • DOC'S DIESEL FUEL FILTERS - Doc's Fuel Filters remove contaminants like separate water from dirt, rust, and debris, protecting fuel system components and ensuring peak engine performance. They optimize fuel flow and pressure, enhancing acceleration, fuel economy, and vehicle performance. With a focus on maximizing filtration media surface area, our high-quality filters come complete with o-rings as needed.
  • INTERCHANGE - Doc's Diesel 2019-2024 RAM 6.7L Cummins Fuel Filter contains (2) Fuel/Water Separators: sku DGF430 Replaces Mopar 68436631AA, Replaces Wix WF10579, Replaces Baldwin PF46152, Replaces Premium Guard DF99569, Replaces Purolator F51542. Sku DGF401 Replaces Mopar 68157291AA, Replaces Wix WF10255NP, Replaces Baldwin PF9870, Replaces Premium Guard DF8606, Replaces Purolator F36294
  • FITMENT - Compatible with 2019-2024 Ram 6.7L Cummins 2500, 3500, 4500, 5500

Doc's Diesel Filter Maintenance Kit DGF430+DGF401+DPA6314+D5335+D3705 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2019-2024 | Replaces 68436631AA, 68157291AA, 05083285AA, 53034051AB

  • DOC'S DIESEL MAINTENANCE KITS - Doc's Diesel Maintenance 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 Maintenance Kits, it's easier than ever.
  • FITMENT - Compatible with Ram 6.7L Cummins 2500, 3500, 4500, 5500 2019-2024
  • INTERCHANGE - Doc's Diesel Dodge RAM 6.7L Cummins Filter Maintenance Kit 2019-2024 includes (1) Fuel/Water Separator (DGF430) - Replaces Mopar 68436631AA, Replaces Wix WF10579, Replaces Baldwin PF46152. (1) Fuel Filter (DGF401) - Replaces Mopar 68157291AA, Replaces Wix WF10255NP, Replaces Baldwin PF9870. (1) Oil Filter (D5335) - Replaces Mopar 05083285AA, Replaces Wix 51607, Replaces Baldwin BT7349, Replaces Premium Guard PG5335, Replaces Purolator L45335. (1) Engine Air Filter (DPA6314) - Replaces Mopar 53034051AB, Replaces Wix 46930, Replaces Baldwin PA4318, Replaces Purolator A56314. (1) Cabin Air Filter (D3705) - Replaces Mopar 68406048AA, Replaces Wix 24579, Replaces Baldwin PA10136

Doc's Diesel Fuel Filter DFD4625 | Compatible with Ford 6.7L Powerstroke F250, F350, F450 2017+ | Replaces FD4625

  • DOC'S DIESEL FUEL FILTERS - Doc's Fuel Filters remove contaminants like separate water from dirt, rust, and debris, protecting fuel system components and ensuring peak engine performance. They optimize fuel flow and pressure, enhancing acceleration, fuel economy, and vehicle performance. With a focus on maximizing filtration media surface area, our high-quality filters come complete with o-rings as needed.
  • INTERCHANGE - Replaces Motorcraft FD4625, Replaces Baldwin PF46174, Replaces Premium Guard DF4624K, Replaces Purolator F71448
  • FITMENT - Compatible with 2017-2025 Ford 6.7L Powerstroke F250, F350, F450

Doc's Diesel CCV Filter D804418 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2007.5+ | Replaces CV52001

  • DOC'S DIESEL CRANKCASE FILTERS - Doc's Diesel Closed Crankcase Ventilation (CCV) Filters are designed to keep your engine running strong. By trapping harmful vapors and blow-by gases, they help reduce sludge buildup, oil breakdown, and engine wear. That means cleaner oil, fewer repairs, and a longer-lasting diesel engine. You'll get better performance, lower maintenance costs, and a cleaner-running rig.
  • FITMENT - Compatible with Ram 6.7L Cummins 2500, 3500, 4500, 5500 2007.5-2025
  • INTERCHANGE - Replaces Mopar/Fleetguard CV52001, Replaces Dorman 904-418

Doc's Diesel Filter Combo Kit DFD4625+D6128+DPA10580+D3806 | Compatible with Ford 6.7L Powerstroke F250, F350, F450 2017-2019 | Replaces FD4625, FL2051, FA1927, FP79

  • DOC'S DIESEL COMBO KITS - Doc's 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, it's easier than ever.
  • FITMENT - Compatible with Ford 6.7L Powerstroke F250, F350, F450 2017-2019
  • INTERCHANGE - Doc's Diesel Ford 6.7L Powerstroke Filter Combo Kit 2017-2019 includes (1) Fuel/Water Separator (DFD4625) - Replaces Motorcraft FD4625, Replaces Baldwin PF46174, Replaces Premium Guard DF4624K, Replaces Purolator F71448. (1) Oil Filter (D6128) - Replaces Motorcraft FL2051, Replaces Wix 57151, Replaces Baldwin B7379, Replaces Premium Guard PG6128, Replaces Purolator L46128. (1) Engine Air Filter (DPA10580) - Replaces Motorcraft FA1927, Replaces Wix WA10679, Replaces Baldwin PA10061, Replaces Premium Guard PA8219, Replaces Purolator A48219. (1) Cabin Air Filter (D3806) - Replaces Motorcraft FP79, Replaces Wix WP10266, Replaces Baldwin PA10103, Replaces Premium Guard PC8214

Doc's Diesel Filter Set DGF430+DGF401+D5335 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2019-2024 | Replaces 68157291AA, 68436631AA

  • DOC'S DIESEL FILTER KIT – 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.
  • DURABLE OEM FORM, FIT, AND FUNCTION – Doc's Fuel Filters use a premium 3 layer media that meets or exceeds OEM requirements.
  • INTERCHANGE – Doc's Diesel 2019-2023 Ram 6.7L Cummins Filter Set includes (1) Fuel Filter - Replaces Mopar 68157291AA, Wix 33255, Purolator F36294. (1) Fuel/Water Separator Mopar 68346631AA (1) Oil Filter - Replaces Purolator L45335, Wix 51607, Mopar 05083285AA . Always check fitment before using.

Doc's Diesel Filter Combo Kit DGF430+DGF401+DPA6314+D5335 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2019-2024 | Replaces 68157291AA, 68436631AA, 05083285AA, 53034051AB

  • DOC'S DIESEL COMBO KITS - Doc's 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, it's easier than ever.
  • FITMENT - Compatible with Ram 6.7L Cummins 2500, 3500, 4500, 5500 2019-2024
  • INTERCHANGE - Doc's Diesel Dodge RAM 6.7L Cummins Filter Combo Kit 2019-2024 includes (1) Fuel/Water Separator (DGF401) - Replaces Mopar 68157291AA, Replaces Wix WF10255NP, Replaces Baldwin PF9870, Replaces Premium Guard DF8606, Replaces Purolator F36294. (1) Fuel Filter (DGF430) - Replaces Mopar 68436631AA, Replaces Wix WF10579, Replaces Baldwin PF46152, Replaces Premium Guard DF99569, Replaces Purolator F51542. (1) Oil Filter (D5335) - Replaces Mopar 05083285AA, Replaces Wix 51607, Replaces Baldwin BT7349, Replaces Premium Guard PG5335, Replaces Purolator L45335. (1) Engine Air Filter (DPA6314) - Replaces Mopar 53034051AB, Replaces Wix 46930, Replaces Baldwin PA4318

Doc's Diesel Filter Combo Kit DGF410+DGF401+D5335+DPA6314 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2013-2018 | Replaces 68197867AA, 68157291AA, 05083285AA, 53034051AB

  • DOC'S DIESEL COMBO KITS - Doc's 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, it's easier than ever.
  • FITMENT - Compatible with Ram 6.7L Cummins 2500, 3500, 4500, 5500 2013-2018
  • INTERCHANGE - Doc's Diesel Dodge RAM 6.7L Cummins Filter Combo Kit 2013-2018 includes (1) Fuel/Water Separator (DGF410) - Replaces Mopar 68197867AA, Replaces Wix WF10112, Replaces Baldwin BF46031, Replaces Premium Guard DF99085, Replaces Purolator F51408. (1) Fuel Filter (DGF401) - Replaces Mopar 68157291AA, Replaces Wix WF10255NP, Replaces Baldwin PF9870, Replaces Premium Guard DF8606, Replaces Purolator F36294. (1) Oil Filter (D5335) - Replaces Mopar 05083285AA, Replaces Wix 51607, Replaces Baldwin BT7349, Replaces Premium Guard PG5335, Replaces Purolator L45335. (1) Engine Air Filter (DPA6314) - Replaces Mopar 53034051AB, Replaces Wix 46930, Replaces Baldwin PA4318

Doc's Diesel Fuel/Water Separator DGF410+DGF401 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2013-2018 | Replaces 68157291AA, 68197867AA

  • DOC'S DIESEL FUEL/WATER SEPARATORS - Doc's Fuel/Water Separators separate water from fuel and remove contaminants like separate water from dirt, rust, and debris, protecting fuel system components and ensuring peak engine performance. They optimize fuel flow and pressure, enhancing acceleration, fuel economy, and vehicle performance. With a focus on maximizing filtration media surface area, our high-quality filters come complete with o-rings as needed.
  • INTERCHANGE - Doc's Diesel 2013-2018 Dodge RAM 6.7L Cummins Fuel/Water Separator includes (2) Fuel/Water Separators: SKU Replaces Mopar 68157291AA, Replaces Wix 33255, Replaces Fram CS11037, Replaces Baldwin PF9870, Replaces Premium Guard DF8606, Replaces Purolator F36294 and SKU DGF410 Replaces Mopar 68157291AA, Replaces Wix WF10255NP, Replaces Baldwin PF9870, Replaces Premium Guard DF8606, Replaces Purolator F36294
  • FITMENT - Compatible with 2013-2018 Ram 6.7L Cummins 2500, 3500, 4500, 5500

Doc’s DEFGUARD DEF Additive & Booster – Diesel Exhaust Fluid Treatment | Cleans & Prevents Crystal Build-Up | SCR System Cleaner & Stabilizer – 1-Pack (8 oz)

  • Prevents Crystallization – Reduces harmful DEF crystal buildup in pumps, injectors, and SCR systems.
  • Improves Stability – Extends DEF shelf life by protecting against degradation.
  • Maintains System Efficiency – Helps ensure proper dosing and smoother operation.

Doc's Diesel Oil Filter D6128 | Compatible with Ford 6.7L Powerstroke F250, F350, F450, F550 2011+, Ford 6.7L Powerstroke F650, F750 2017+ | Replaces FL2051

  • DOC'S DIESEL OIL FILTERS - Doc's Diesel Premium Oil Filters are built to deliver reliable performance for hard-working trucks. They filter out dirt, metal, and other debris from your oil, helping protect your engine and improve fuel efficiency. They're made for synthetic, conventional, or blended oils, with high-flow synthetic media and a heavy-duty metal housing for longer life and better filtration. Changing your filter regularly keeps your motor running smoothly and helps prevent overheating.
  • FITMENT - Compatible with Ford 6.7L Powerstroke F250, F350, F450, F550 2011-2025, Compatible with Ford 6.7L Powerstroke F650, F750 2017-2025
  • INTERCHANGE - Replaces Motorcraft FL2051, Replaces Wix 57151, Replaces Baldwin B7379, Replaces Premium Guard PG6128, Replaces Purolator L46128

Doc's Diesel Fuel Filter DGF429 | Compatible with Chevrolet/GMC 6.6L Duramax 2500HD, 3500HD 2017-2019, Chevrolet/GMC 3.0L Duramax 2500HD, 3500HD 2020+ | Replaces TP1015

  • DOC'S DIESEL FUEL FILTERS - Doc's Fuel Filters remove contaminants like separate water from dirt, rust, and debris, protecting fuel system components and ensuring peak engine performance. They optimize fuel flow and pressure, enhancing acceleration, fuel economy, and vehicle performance. With a focus on maximizing filtration media surface area, our high-quality filters come complete with o-rings as needed.
  • INTERCHANGE - Replaces AC/Delco TP1015, Replaces Wix WF10451, Replaces Premium Guard DF99173, Replaces Purolator F21393
  • FITMENT - Compatible with 2017-2019 Chevrolet/GMC 6.6L Duramax 2500HD, 3500HD, 2020-2025 Chevrolet/GMC 3.0L Duramax 2500HD, 3500HD

Doc's Diesel Filter Kit DFD4615+D6128 | Compatible with Ford 6.7L Powerstroke F250, F350, F450, F550 2011-2016 | Replaces FD4615, FL2051

  • Includes 1 Fuel/Water Separator and 1 Oil Filter
  • For 6.7L Powerstroke 2011-2016 F250/F350/F450/F550
  • Made with High Efficiency 3 layer media paper

Doc's Diesel Fuel Filter DFD4615 | Compatible with Ford 6.7L Powerstroke F250, F350, F450, F550 2011-2016 | Replaces FD4615

  • DOC'S DIESEL FUEL FILTERS - Doc's Fuel Filters remove contaminants like separate water from dirt, rust, and debris, protecting fuel system components and ensuring peak engine performance. They optimize fuel flow and pressure, enhancing acceleration, fuel economy, and vehicle performance. With a focus on maximizing filtration media surface area, our high-quality filters come complete with o-rings as needed.
  • INTERCHANGE - Replaces Motorcraft FD4615, Replaces Wix 33615, Replaces Baldwin BF9895, Replaces Premium Guard DF4615, Replaces Purolator F76160
  • FITMENT - Compatible with 2011-2016 Ford 6.7L Powerstroke F250, F350, F450, F550

Doc's Diesel Oil Filter 12-Pack D5335-12 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2007.5-2024, RAM 5.9L Cummins 2500, 3500, 4500, 5500 1989-2007.5 | Replaces 05083285AA

  • DOC'S DIESEL OIL FILTERS - Doc's Diesel Premium Oil Filters are built to deliver reliable performance for hard-working trucks. They filter out dirt, metal, and other debris from your oil, helping protect your engine and improve fuel efficiency. They're made for synthetic, conventional, or blended oils, with high-flow synthetic media and a heavy-duty metal housing for longer life and better filtration. Changing your filter regularly keeps your motor running smoothly and helps prevent overheating.
  • FITMENT - Compatible with Ram 6.7L Cummins 2500, 3500, 4500, 5500 2007.5-2024, Compatible with Ram 5.9L Cummins 2500, 3500, 4500, 5500 1989-2007.5
  • INTERCHANGE - Replaces Mopar 05083285AA, Replaces Wix 51607, Replaces Baldwin BT7349, Replaces Premium Guard PG5335, Replaces Purolator L45335

Doc's Diesel Filter Combo Kit DFD4625+DPA11885+D6128+D3806 | Compatible with Ford 6.7L Powerstroke F250, F350, F450 2020+ | Replaces FD4625, FL2051, FA2031, FP79

  • Fuel Filter 3 Micron Rating with a 99.7 percent Efficiency Rating
  • Made with High Efficiency 3 Layer Media Paper
  • 2020-2023 Ford 6.7L Powerstroke F250/F350/F450

Doc's Diesel Engine Air Filter DPA11888 | Compatible with Chevrolet/GMC 6.6L Duramax 2500HD, 3500HD 2020+ | Replaces A3248C

  • DOC'S DIESEL ENGINE AIR FILTERS - Doc's Diesel Premium Engine Air Filters are made for hard-working diesel engines that don't quit. They block out dirt, dust, and debris that can wear down your motor over time. The heavy-duty silicone gasket holds a tight seal, even when you're running in rough, dusty conditions, and deep pleated filter paper traps more grime to help your truck run longer, stronger, and more efficiently.
  • FITMENT - Compatible with Chevrolet/GMC 6.6L Duramax 2500HD, 3500HD 2020-2025
  • INTERCHANGE - Replaces AC/Delco A3248C, Replaces GM 84554703, Replaces Wix WA11057, Replaces Baldwin PA10426, Replaces Premium Guard PA99537, Replaces Purolator TA31515

Doc's Diesel Ford 6.7L Powerstroke Filter Kit 2017-2025

  • Doc's Premium Diesel Filters
  • Meets + Exceeds Manufacturers Warranty Requirement!
  • (1) Doc's Diesel Fuel/Water Filter + (1) PTC Filter

Doc's Diesel Filter Set DFD4615+D6128+DPA6109 | Compatible with Ford 6.7L Powerstroke F250, F350, F450, F550 2011-2016 | Replaces FD4615, FL2051, FA1902

  • Fuel Filter 3 Micron Rating with a 99.7% Efficiency Rating
  • Made with High Efficiency 3 Layer Media Paper
  • 2011-2016 Ford 6.7L Powerstroke F250/F350/F450/F550 Air/Oil/Fuel Filter Kit

Doc's Diesel Oil Filter D11880 | Compatible with Jeep Wrangler/Gladiator 3.0L EcoDiesel 2020+, RAM 1500 3.0L EcoDiesel 2020+ | Replaces 68507598AA, 68498720AA

  • DOC'S DIESEL OIL FILTERS - Doc's Diesel Premium Oil Filters are built to deliver reliable performance for hard-working trucks. They filter out dirt, metal, and other debris from your oil, helping protect your engine and improve fuel efficiency. They're made for synthetic, conventional, or blended oils, with high-flow synthetic media and a heavy-duty metal housing for longer life and better filtration. Changing your filter regularly keeps your motor running smoothly and helps prevent overheating.
  • FITMENT - Compatible with Jeep Wrangler/Gladiator 3.0L EcoDiesel 2020-2025, Compatible with Ram 1500 3.0L EcoDiesel 2020-2025
  • INTERCHANGE - Replaces Mopar 8507598AA, 68498720AA, Replaces Wix WL10614

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