Diesel performance chips, modules, programmers and tuners give you more horsepower and torque while at the same time improving fuel mileage.

Cold air intakes, intercoolers, boost tubes and intake manifold elbows give your diesel engine clean, cool air. Make more power and improve economy with these upgrades.

Aftermarket diesel exhaust systems and components will improve performance and fuel mileage. The easier your diesel breathes, the better it will perform.

EGR delete kits are for competitive off-road race vehicles that require high levels of dependability under extreme operating conditions.

U.S. Diesel Mods offers top fueling brands and products like FASS and AirDog Lift Pumps, Industrial Injection fuel systems and Dynomite Diesel Injectors.

Keep an eye on all your vital engine parameters with traditional-style Autometer gauges or digital gauge monitors from brands like Banks and Edge.

We offer deep transmission pans and heavy duty differential covers with extra fluid capacity from companies including Mag-Hytec, AFE, and BD Diesel.

We carry Industrial Injection, BD Diesel, ATS Diesel and more for stock replacement and performance turbos for most popular diesels.

Shop U.S. Diesel Mods for the best prices and availability in the country for ARP head studs and bolts and Mahle gaskets sets for Cummins, Powerstroke and Duramax diesels.

We help you customize your truck for function, performance and looks with diesel accessories like hitches, bed steps, lifts and bumpers at U.S. Diesel Mods.