Collection: Engine Parts | Volvo, Cummins, Mack & More OEM Parts
Explore our extensive inventory of new surplus and hard-to-find engine parts for Volvo, Cummins, Mack, Perkins, Detroit, and more. We stock a wide selection of genuine OEM and high-quality aftermarket components including injectors, sensors, gaskets, turbos, EGR components, and much more — all offered at competitive discounted prices.
Whether you're performing fleet maintenance, completing an engine rebuild, or need emergency repair parts, these components are in stock and ready to ship the same day from our warehouse in Mansfield, Ohio.
Heavy-Duty Solutions — Built to Perform. Trusted to Last. Discount Parts Exchange (DPX).
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Vendor:Deutz4191001 Belt Break Switch | KHD Deutz | D900509401 Dynapac | Replaces 4214638 | 24V 150W | New Genuine NOS
4191001 | KHD Deutz Belt Break Switch | 24V 150W, D900509401 Dynapac | New Genuine (NOS) New genuine...Regular price $97.74 USDSale price $97.74 USD Regular priceUnit price per -
Vendor:Cummins4071224 Oil Filler Cap | Cummins N14 | Doosan K9003417 | Made in USA | New Genuine
4071224 | Cummins Oil Filler Cap | N14, Doosan K9003417 | New Genuine (NOS) New genuine Cummins oil...Regular price $54.74 USDSale price $54.74 USD Regular priceUnit price perSold out -
Vendor:S&S Truck Parts22014032 / 22303391 / 20789066 Volvo / Mack NOx Sensor | S&S Truck S-23767
2014032 | S&S Truck NOx Sensor | S-23767, Volvo / Mack | New Aftermarket New aftermarket S&S Truck...Regular price $247.74 USDSale price $247.74 USD Regular priceUnit price per -
Vendor:Volvo Construction11715337 Fuel Injector Nozzle | Volvo VOE11715337 | EC35 EC45 | 3TNV88 4TNV88 | New OEM
11715337 | Volvo Fuel Injector Nozzle | EC35 / EC45, Yanmar 3TNV88 / 4TNV88 | New Genuine (NOS)...Regular price $174.47 USDSale price $174.47 USD Regular priceUnit price per -
Vendor:Hewitt Industries030-300 Speed Switch | Hewitt Industries | Volvo 13209-0048 | Alarm Function | New OEM
030-300 | Hewitt Industries Speed Switch | Alarm Output, Volvo 13209-0048 | New Genuine (NOS) New genuine Hewitt...Regular price $247.74 USDSale price $247.74 USD Regular priceUnit price per$474.47 USDSale
Your #1 Source for Remanufactured Transmissions, Differentials, Transfer Cases & PTOs — Since 1997
Trusted by Fleets & Technicians for Over 25 Years
Discount Parts Exchange delivers quality, reliability, and value in every drivetrain component. Backed by decades of hands-on experience, our heavy-duty solutions are built to keep your truck running.