NOW AVAILABLE: GAS TRUCK & VEHICLE FILTERS

SHOP IS GETTING BIGGER

We’re expanding with gas filters built to the same tough standards to keep your entire fleet on the road.
SHOP GAS PRODUCTS
NOW AVAILABLE: GAS TRUCK & VEHICLE FILTERS

SHOP IS
GETTING BIGGER

We’re expanding with gas filters built to
the same tough standards to keep your
entire fleet on the road.
SHOP GAS PRODUCTS
NEW ADDITIVE KITS HAVE ARRIVED

EVERYTHING YOUR
FUEL SYSTEM NEEDS

Our New Additive Kits bundle the right treatments for cleaner fuel, smoother performance, and long-term reliability.
SHOP KITS
NEW ADDITIVE KITS HAVE ARRIVED

EVERYTHING YOUR
FUEL SYSTEM NEEDS

Our New Additive Kits bundle the right treatments
for cleaner fuel, smoother performance,
and long-term reliability.
SHOP KITS
OIL + FILTERS MAINTENANCE KITS

EVERYTHING YOUR TRUCK NEEDS

The right oil. The right filter.
The right fit. No guessing.
No parts-store runs.
SHOP KITS
OIL + FILTERS MAINTENANCE KITS

EVERYTHING YOUR
TRUCK NEEDS

The right oil. The right filter.
The right fit. No guessing.
No parts-store runs.
SHOP KITS
CLEANER FUEL. BETTER MILEAGE

EVERYTHING YOUR TRUCK NEEDS

Our Oil + Filter Maintenance Kits give you the right oil, the right filters, and the right fit for your truck. No guessing. No parts store runs.
SHOP ADDITIVES
CLEANER FUEL. BETTER MILEAGE

PROTECT IT.
CLEAN IT.
KEEP IT PULLING

Our full line of diesel additives is built
to keep your truck running the way it
should. Less buildup. Smoother
performance.
SHOP ADDITIVES

TRUCK MAINTENANCE DONE RIGHT

Diesel or gas, it doesn’t matter. If you rely on your truck, you need parts that hold up. Doc’s Diesel gives you straightforward access to maintenance parts built for Cummins, Powerstroke, Duramax, EcoDiesel, and now, gas trucks and vehicles. Filters, brakes, oil kits, additives, and more without the dealership markup or guesswork, with a fitment guarantee.

Whether you wrench on weekends or depend on your truck every day, we make it easy to get the right parts, keep it running strong, and stay ahead of problems.

TRUCK MAINTENANCE DONE RIGHT

Diesel or gas, it doesn’t matter. If you rely on your truck, you need parts that hold up. Doc’s Diesel gives you straightforward access to maintenance parts built for Cummins, Powerstroke, Duramax, EcoDiesel, and now, gas trucks and vehicles. Filters, brakes, oil kits, additives, and more without the dealership markup or guesswork, with a fitment guarantee.

Whether you wrench on weekends or depend on your truck every day, we make it easy to get the right parts, keep it running strong, and stay ahead of problems.

EXPLORE PRODUCT TYPES

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
1
1

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

2
2

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

3
3

Pressure relief valve to ensure positive engine lubrication.

4
4

Traditional metal end caps on filter cartridges.

5
5

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

6
6

Synthetic blend media selected to maximize efficiency and minimize resistance.

7
7

Anti-drainback valve to prevent dry starts.

8
8

Heavy duty base plate with precision forged threads.

9
9

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

1

Synthetic blend media selected to maximize efficiency and minimize resistance.

USED BY THE BEST

OVER 500,000+ HAPPY CUSTOMERS

You don't have to take our word for it.

OVER 500,000+ HAPPY CUSTOMERS

You don't have to take our word for it.