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Diesel Replacement Parts.
Built for Reliable Performance.

Our Magnum diesel replacement parts line features affordable, dependable OEM parts for Cummins, Ford, GM, Dodge, and Navistar.


Displaying 1 through 32 of 537 products.

We carry an enormous amount of inventory and not all of it has made it to our new website. If you don't find what you are looking for please contact us, and we would be happy to assist you in finding just the right item to fit your needs.

Magnum Diesel Engine Replacement Parts

Why are Magnum Diesel Engine Replacement Parts our go-to OEM parts for Area Diesel Service customers? Just like you, our diesel experts hate the thought of paying an OEM through the roof for any part that breaks down after the factory warranty runs out. That's why we're committed to providing quality OEM diesel replacement parts that fit perfectly the first time and get your engine running right again. Our reasonably priced Magnum replacement parts are remanufactured with the latest speciality tools in a leading-edge fuel injection & turbocharger repair facility. The Magnum line includes seemingly countless diesel replacement parts for top manufacturers, and our in-house engineers inspect every last part to ensure it'll do the job that matters most—keep your truck and equipment performing like new.

For more than 40 years, Area Diesel's specialists have stood with other passionate diesel engineers at the forefront of the industry. We've learned first hand which diesel engine replacement parts we trust for dependable performance. It goes beyond insight, though: Because we trust them to perform as promised, Area Diesel stands behind our Magnum replacement parts with a solid 13-month warranty.

With Area Diesel and Magnum, you know exactly where to find diesel replacement parts you can count on:

  • Cummins
  • Powerstroke
  • Duramax
  • 444E
  • HEUI
  • MaxxForce
  • VT365
  • Pumps
  • Injectors
  • Turbos
  • High Pressure Common Rail
  • Electronic Components
  • Specialty Tools
  • High Pressure Oil Pumps
Customers trust Magnum diesel engine replacement parts for quality.
As a retail dealer and a user of Magnum Products, I have nothing but praise about these quality parts. The affordability & premium performance results are incomparable to other products we have experience with, resulting in this line virtually selling itself. And the support from your staff has surpassed our expectations. Keep up the good work, and keep the Magnum Products coming. —Pat, Diesel Up