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TIS THE SEASON

5% OF SALES DONATED

Help us give kids a Christmas to remember. A portion of all sales will be donated to Toys for Tots, now through 12/13.

SHOP NOW

FITMENT GUARANTEED

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FREE USA SHIPPING OVER $99

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OEM PERFORMANCE

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3RD-PARTY TESTED

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You Asked. We Listened!
INTRODUCING: DOC'S FILTERS
Servicing all years, makes and models for gas cars & trucks.
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TREAT YO' SELF
DOC'S GIFT GUIDE IS HERE
Give the diesel truck owner in your life something they’ll actually use.
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Doc's Dodge RAM 6.7L Cummins Filter Maintenance Kit 2019-2024 Doc's Diesel DOC'S Ram 6.7L Cummins Diesel Filter Kit 2019-2021 Kits

Doc's Diesel

Dodge RAM 6.7L Cummins Filter Maintenance Kit 2019-2024

$131.99
the atf 2 canisters Doc's Diesel DOC'S Ram 6.7L Cummins 68RFE Transmission Filter Kit 2007.5-2023 | Replaces 5013470AC

Doc's Diesel

Dodge RAM 6.7L Cummins 68RFE Transmission Service Kit 2007.5-2024 (4WD)

$175.99
Doc's Diesel DOC'S Ram 6.7L Cummins Crankcase CCV Filter 2007.5-2022 Replaces CV52001 Doc's Diesel DOC'S Ram 6.7L Cummins Crankcase CCV Filter 2007.5-2022 Replaces CV52001

Doc's Diesel

Dodge RAM 6.7L Cummins CCV Filter 2007.5-2024

Replaces Mopar CV52001

$69.99
Doc's Ford 6.7L Powerstroke Filter Combo Kit 2020-2024 Doc's Diesel DOC'S Ford 6.7L Powerstroke Diesel Filter Kit 2020-2022 Default

Doc's Diesel

Ford 6.7L Powerstroke Filter Combo Kit 2020-2024

$103.99
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WHY DOC’S

If maintaining your truck’s peak performance is your priority, you’ve come to the right place. Doc’s Diesel is your one-stop online shop for diesel filter maintenance. Genuine quality, 3rd-party tested filters at a great price.

OEM PERFORMANCE

Aftermarket filters - OEM form, fit and function.

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CUT THE MIDDLEMAN

We buy straight from the source, removing those pesky markups you find from OEMS, dealerships & parts stores.

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FITMENT GUARANTEED

If it doesn’t fit, we will offer you a replacement or a refund (*some conditions apply).

EXPLORE PRODUCT TYPES

COMPLETE FILTER KITS

Complete Filter Kits

For all your diesel truck's filter needs for Cummins, Powerstroke, Duramax, EcoDiesel, & TDI.
OIL/ADDITIVES

Oil/Additives

High Quality Oils, Transmission Fluids, Additives + Other Fluids Doc's Diesel partnered up with Hot Shot's Secret to give you the best oil and additives in the game! Give your vehicle the Diesel T...
FUEL FILTERS

Fuel Filters

Doc's Diesel Fuel Filters Doc's premium replacement fuel filters remove contaminants such as dirt, rust, and debris from the fuel before they reach the engine, and protects various components of...
FUEL / WATER SEPARATORS

Fuel / Water Separators

Filtration matters, that is why our fuel water separator are crafted from high-grade filter medium that provides maximum filtration and minimal flow restriction.
OIL FILTERS

Oil Filters

 Doc's Diesel Oil Filters   Doc's premium replacement oil filters remove contaminants such as dirt, metal shavings, and debris from the engine oil, which promotes optimal engine health, reduced fri...
TRANSMISSION FILTERS

Transmission Filters

Helps to remove dirt and contaminants from the automatic transmission fluid.
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AIR FILTERS

Air Filters

Doc's Diesel Engine Air Filters   Doc's line of replacement engine air filters are designed to provide maximum protection against contaminants and minimize engine wear. Our durable filters feature ...
cabin air filter
 CABIN AIR FILTERS

 Cabin Air Filters

Doc's Diesel Cabin Air Filters Doc’s premium replacement Cabin Air Filters not only trap particles and eliminate odors but also ensure a high airflow. By capturing dirt, dust, pollen, and other ...

SAE OFFICIAL

IT’S IN THE DETAILS

Tested and inspected to meet OEM Micron and efficiency ratings. View our test results from SGS, the world's leading inspection & certification company. Additional reports are added regularly.

SEE TEST RESULTS

SAE OFFICIAL

IT’S IN THE DETAILS

Tested and inspected to meet OEM Micron and efficiency ratings. View our test results from SGS, the world's leading inspection & certification company. Additional reports are added regularly.

SEE TEST RESULTS
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Heavy duty filter body to withstand more than five times normal oil pressure.

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Heat treated steel coil compression spring to hold all components in place.

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Pressure relief valve to ensure positive engine lubrication.

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Traditional metal end caps on filter cartridges.

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One-piece spiral wound corrugated center tube to maximize collapse strength.

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Synthetic blend media selected to maximize efficiency and minimize resistance.

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Anti-drainback valve to prevent dry starts.

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Heavy duty base plate with precision forged threads.

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Lathe-cut nitrile sealing gasket for maximum sealing power in all conditions.

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Synthetic blend media selected to maximize efficiency and minimize resistance.

Over 250,000+ Happy Customers

Docs Diesel Filter Housing
Five-Stars Review

"Absolutely the best place to get great deals AND packages designed to provide EVERYTHING you need to complete the job!"

Melanie Customer verified badge VERIFIED BUYER

Docs Diesel Parts
Five-Stars Review

I was thinking about buying this for too long, bought it and I love it. fits perfect, and it’s super soft. I’ve also bought filters from them and they have amazing products over all and shipping is on point.

John Customer verified badge VERIFIED BUYER

Docs Diesel Filter
Five-Stars Review

First time customer, but Doc’s will be my go to from now on. Filters were excellent quality and fit like OEM.

Alex Customer verified badge VERIFIED BUYER

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Owned and operated in small-town Ohio with a history for aftermarket automotive parts.

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