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NEW DROPS
You asked, we delivered. Save now on these new arrivals.
Doc's Diesel
Ford 6.7L Powerstroke 10R140 Transmission Service Kit 2020-2025
Replaces LC3Z-7G186-A, LC3P-7G186-AC, LC3Z-7F396-A, LC3Z-7F396-B
Doc's Diesel
Chevrolet/GMC 6.6L Duramax 10L1000 L5P Transmission Service Kit 2020-2025
Replaces 24298004
Doc's Diesel
RAM 6.7L Cummins 2WD/4WD Premium E-Coated Front Wheel Hub Assemblies Kit 2019-2024
Replaces 515206
Doc's Diesel
RAM 6.7L Cummins 2WD/4WD Premium E-Coated Front Wheel Hub Assembly 2014-2018 2500, 2013-2018 3500
Replaces 515162
COMPLETE FILTER KITS
Everything you need all in one box. No guesswork, no extra trips for parts, just the right filters ready to go.
Doc's Diesel
Dodge RAM 6.7L Cummins Filter Maintenance Kit 2019-2024
Replaces 68436631AA, 68157291AA, 05083285AA, 53034051AB
Doc's Diesel
Dodge RAM 6.7L Cummins Filter Set 2019-2024
Replaces 68436631AA, 68157291AA, 05083285AA
Doc's Diesel
Dodge RAM 6.7L Cummins Filter Maintenance Kit 2013-2018
Replaces 68197867AA, 68157291AA, 05083285AA, 53034051AB
Doc's Diesel
Dodge RAM 6.7L Cummins Filter Set 2013-2018
Replaces 68197867AA, 68157291AA, 05083285AA
Doc's Diesel
Dodge RAM 6.7L Cummins Filter Combo Kit 2019-2024
Replaces 68157291AA, 68436631AA, 05083285AA, 53034051AB
Doc's Diesel
Dodge RAM 6.7L Cummins Filter Combo Kit 2013-2018
Replaces 68197867AA, 68157291AA, 05083285AA, 53034051AB
HUB ASSEMBLIES
Keep your diesel rig riding smooth and steering straight with Doc's NEW Hub Assemblies, and now's your chance to save big on these bad boys.
Doc's Diesel
RAM 6.7L Cummins 2WD/4WD Premium E-Coated Front Wheel Hub Assemblies Kit 2019-2024
Replaces 515206
Doc's Diesel
RAM 6.7L Cummins 2WD/4WD Premium E-Coated Front Wheel Hub Assemblies Kit 2014-2018 2500, 2013-2018 3500
Replaces 515162
Doc's Diesel
RAM 6.7L Cummins 2WD/4WD Premium E-Coated Front Wheel Hub Assembly 2014-2018 2500, 2013-2018 3500
Replaces 515162
Doc's Diesel
Ford 6.7L Powerstroke 4WD Premium E-Coated Front Wheel Hub Assemblies Kit 2017-2022
Replaces 515183
Doc's Diesel
Ford 6.7L Powerstroke 4WD Premium E-Coated Front Wheel Hub Assemblies Kit 2011-2016
Replaces 515130
Doc's Diesel
RAM 6.7L Cummins 4WD Premium E-Coated Front Wheel Hub Assemblies Kit 2012-2013
Replaces 515148
Doc's Diesel
Chevrolet/GMC 6.6L Duramax 4WD Premium E-Coated Front Wheel Hub Assemblies Kit 2001-2006
Replaces 515058
Doc's Diesel
RAM 6.7L Cummins 2WD/4WD Premium E-Coated Front Wheel Hub Assembly 2019-2024
Replaces 515206
Doc's Diesel
RAM 6.7L Cummins 4WD Premium E-Coated Front Wheel Hub Assemblies Kit 2009-2011
Replaces 515122
Doc's Diesel
Chevrolet/GMC 6.6L Duramax 4WD/RWD Premium E-Coated Front Wheel Hub Assemblies Kit 2007-2010
Replaces 515098
OIL + FILTER KITS
Save now on the Whole Package. With fresh engine oil and new filters, you’ll reduce engine wear and improve fuel efficiency.
Doc's Diesel
RAM 6.7L Cummins 10W-30 Full Synthetic Oil + Filter Maintenance Kit 2019-2024
Replaces 68436631AA, 68157291AA, 05083285AA, 68406048AA
Doc's Diesel
Dodge RAM 6.7L/5.9L Cummins 15W-40 Full Synthetic Oil Change Kit 1989-2024
Replaces 05083285AA
Doc's Diesel
Dodge RAM 6.7L/5.9L Cummins 10W-30 Full Synthetic Oil Change Kit 1989-2024
Replaces 05083285AA
Doc's Diesel
Chevrolet/GMC 6.6L Duramax 15W-40 Full Synthetic Oil Change Kit 2001-2019
Replaces PF2232
Doc's Diesel
RAM 6.7L Cummins 5W-40 Full Synthetic Oil + Filter Maintenance Kit 2019-2024
Replaces 68436631AA, 68157291AA, 05083285AA, 53034051AB
Doc's Diesel
Dodge RAM 6.7L/5.9L Cummins 5W-40 Full Synthetic Oil Change Kit 1989-2024
Replaces 05083285AA
Doc's Diesel
Chevrolet/GMC 6.6L Duramax 15W-40 Full Synthetic Oil Change Kit 2020-2025
Replaces PF26
Doc's Diesel
RAM 6.7L Cummins 15W-40 Full Synthetic Oil + Filter Maintenance Kit 2013-2018
Replaces 68197867AA, 68157291AA, 05083285AA, 53034051AB
OIL + ADDITIVES
Give your vehicle the Diesel Treatment with Doc's collection of premium oils, fluids, and other additives + treatments designed to keep your car running smoothly and efficiently.
Doc's Diesel
Doc's x Hot Shot's Secret The Shift Automatic Transmission Protectant + Cleaner
32oz Bottle
DOC'S GIFT CARDS
Not sure what you want? Grab or gift a Doc's Gift Card and save the decision for later.
BECOME A DIESEL DIEHARD
If diesel runs through your veins, this one’s for you. Doc’s Diesel Diehard hooks you up with points on every order, exclusive deals, limited edition gear, and some go-to Doc's products. No fluff — just real rewards for staying loyal and keeping your rig dialed. Sign up, stock up on Diesel Dollars, and cash in on gear built for the diesel life.
BECOME A DIESEL DIEHARD
If diesel runs through your veins, this one’s for you. Doc’s Diesel Diehard hooks you up with points on every order, exclusive deals, limited edition gear, and some go-to Doc's products. No fluff — just real rewards for staying loyal and keeping your rig dialed. Sign up, stock up on Diesel Dollars, and cash in on gear built for the diesel life.