Shop All

Cummins, Powerstroke, Duramax, or EcoDiesel Truck. Our line includes: Fuel, Oil, Cabin Air, Water Separator, and Air Filters.

Shop All

FILTERS

Filter

FILTER BY

Filter

Year

Make

Engine

Product type

Size






FILTER

Clear filter
Sale Price $7,486.99
SOLD OUT
Sale Price $6,718.99
Sale Price $295.99
Sale Price $403.99
Sale Price $511.99
Sale Price $213.99
Sale Price $147.99
Sale Price $147.99
Sale Price $339.99
Sale Price $332.99
Sale Price $201.99
Sale Price $207.99
Sale Price $241.99
Sale Price $220.99
Sale Price $291.99
Sale Price $170.99
Sale Price $255.99
Sale Price $341.99
Sale Price $398.99
Regular Price $131.94
Sale Price $125.99
Regular Price $119.94
Sale Price $113.99
  1. page 1
  2. page 2
  3. page 3

Collection Details

Doc’s Diesel: The New Standard in Diesel Truck Maintenance

Here at Doc’s Diesel, we don’t mess around when it comes to keeping your truck running strong. This is the spot where we’ve packed in all our best gear—filter kits, brake parts, apparel, upgrades, and more. Whether you’re rolling in a Duramax, Cummins, or Powerstroke, you’ll find exactly what you need to keep that rig dialed in. 


Built Diesel Tough. Just Like You.

Every part we sell is made to match OEM design, fit, and function, so you’re getting reliable performance without the dealership markup. We’ve got full filter kits with premium filters, brake kits with rust-fighting rotors, and even premium beam wiper blades that can handle whatever Mother Nature throws your way. Need apparel for wrenching in the garage or repping diesel life at the track? We’ve got that, too.


Shop With Confidence. We’re Diesel Heads, Too.

We’re not here to sell you stuff you don’t need—we’re diesel guys ourselves, and we only carry the good stuff we’d run on our own trucks. So take a scroll through, grab what you need, and know that we’re always a call or message away if you’ve got questions. Let’s keep those trucks working hard and looking good while we’re at it.


Fitment Guaranteed. No Guesswork.

Not sure if a part fits your truck? Use our Vehicle Selection Tool at the top of the site to lock in your year, make, and model. Once your truck is selected, we’ll show you only the parts that fit. And with our Fitment Guarantee, you can shop confidently knowing we’ve got your back if something’s off. No guessing, no stress. Doc’s Diesel products are designed for the Professional Installer/Service Provider, DIY’er, Auto Shop, Hot Shot Trucker, and many more businesses! We proudly ship our products right from our warehouse in Northwest Ohio. 

JOIN THE CLUB

Doc’s Diesel Diehard rewards you for doing what you already do — keeping your truck dialed. Earn points on every order, unlock exclusive deals, and get access to limited gear and must-have Doc’s products. Real perks for real diesel folks.

LEARN MORE

JOIN THE CLUB

Doc’s Diesel Diehard rewards you for doing what you already do — keeping your truck dialed. Earn points on every order, unlock exclusive deals, and get access to limited gear and must-have Doc’s products. Real perks for real diesel folks.

LEARN MORE

BECOME A DOC'S DEALER

Join the Doc’s Wholesale Dealer Program for exclusive product discounts, free fast shipping, and guaranteed OEM fitment, plus a custom dealer pack when you sign up.

BECOME A DOC'S DEALER

Join the Doc’s Wholesale Dealer Program for exclusive product discounts, free fast shipping, and guaranteed OEM fitment, plus a custom dealer pack when you sign up.