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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.
CUT THE MIDDLEMAN
We buy straight from the source, removing those pesky markups you find from OEMS, dealerships & parts stores.
FITMENT GUARANTEED
If it doesn’t fit, we will offer you a replacement or a refund (*some conditions apply).
EXPLORE PRODUCT TYPES
Oil Filters
Help remove the harmful soot, deposits and sludge caused by the breakdown of engine oil.
SAE OFFICIAL
IT’S IN THE DETAILS
Rigorously 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.
SAE OFFICIAL
IT’S IN THE DETAILS
Rigorously 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.
Over 100,000+ Happy Folks
"Absolutely the best place to get great deals AND packages designed to provide EVERYTHING you need to complete the job!"
Melanie 
VERIFIED BUYER
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 VERIFIED BUYER
First time customer, but Doc’s will be my go to from now on. Filters were excellent quality and fit like OEM.
Alex VERIFIED BUYER
SMALL TOWN ROOTS,
BIG DREAMS
Owned and operated in small-town Ohio with a history for aftermarket automotive parts.
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Use code DOGGY20 to get 20% off
orders of $90 or more!