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Popular Diesel Parts

Chips_icon Tuners

Can you really get more from your diesel just by adding a performance tuner? Believe it! Make more power and torque and save money on fuel.

Intake_icon Air Intake & Filtration

Help your diesel breathe clean, filtered air and keep operating temperatures cooler with an intake kit, intake manifold elbow, or intercooler upgrade.

Exhaust_icon Exhaust

We offer complete diesel exhaust systems and components like mufflers, resonators and tips in a wide variety of materials from the best manufacturers in the business.

Egr_delete_icon DPF Delete & EGR Delete

The extreme horsepower and torque levels in sled pulling, drag racing and competition events require race tuning and components like dpf delete exhausts and egr delete kits.

Fuel_injection_icon Fuel Injection

We carry a full line of fuel injection pumps, lift pumps, injectors and injector nozzles. Now you can adjust your fueling to make the power you want for your specific application.

Stacks_icon Stack Kits

Choose from a huge selection of Dual and Single Stack kits, as well as individual stack tips and stack components like rain caps and heat shields.

Gauges_icon Gauges

Monitor boost PSI, transmission temperature, engine temperature, or any other parameter with gauges, gauge monitors, and gauge pods and monitor mounts.

Tranny_icon Transmission

Choose from Fully Built Transmissions, Clutches, Torque Converters, Transmission Pans and Differential Covers from the best manufacturers in the industry.

Turbo_icon Turbos

Shop Parley’s Diesel Performance for stock replacement turbos and performance single and twin turbos for Powerstroke, Cummins, and Duramax diesels.

Water_methanol_icon Water Methanol Injection

Cool operating temperatures, reduce emissions, make more horsepower and get better fuel mileage with a water methanol injection kit for your diesel.

Engine_icon3 Engine Parts

Upgrade your diesel engine for more power, reliability, and longevity with aftermarket diesel parts like head studs, cam shafts and head gaskets.

Accessories_icon Accessories

Customize your truck your way with diesel accessories like hitches, lights, floor mats, bed covers, running boards, lifts and bumpers at Parley’s Diesel Performance.

Parley's Diesel News

Satisfied Customers


"My Diesel Performance Chip Paid For Itself In 3 MONTHS!" - Robert Allen, Houston, TX


"My Mileage Increased By 18% With The Diesel Performance Chip From Parley's Diesel!" - Dave R., Logan, UT


"The Diesel Tuner that I bought from you guys is AMAZING! It feels like I DOUBLED my horsepower!" - Charles St. Claire, Knoxville, TN


"The only thing my truck was missing was the sound of a mean, high performance vehicle and the Aero Turbine Muffler got me there!" - Ted Lee, Sacramento, CA