New and Remanufactured Aftermarket Diesel Engine & Heavy Duty Parts

New to Reliance?


About Reliance

100,000+Engine Parts in Stock

5,000+Applications Covered

50+OEM's Represented

Reliance Power Parts was founded on the idea of offering high-quality replacement diesel engine parts that not only offered independent aftermarket customers an alternative to original equipment parts, but also included support programs like freight, promotion, and warranty coverage.

Diesel Engine Parts
Tractor & Combine


Manufacturers Supported

  • Allis Chalmers
  • Case / Case IH
  • Caterpillar
  • Chrysler
  • Cockshutt
  • Consolidated Diesel
  • Continental
  • Cummins
  • David Brown
  • Detroit Diesel
  • Deutz
  • Dodge
  • Ferguson
  • Fiat
  • Ford / New Holland
  • General Motors
  • Hercules
  • Hesston
  • Hough
  • International
  • Isuzu
  • Iveco / NEF
  • John Deere
  • Komatsu
  • Kubota
  • Mack
  • Massey Ferguson
  • Minneapolis Moline
  • Mitsubishi
  • Navistar
  • Standard
  • Steiger
  • Versatile
  • Waukesha
  • Wisconsin
  • And more!

Manufacturer’s names, numbers, symbols, and descriptions are for reference purposes only and in no way imply that any part is the product of said manufacturers. Manufacturer names are registered trademarks of their respective owners.

All original content, design, and images © 2024 Reliance, a company of Nivel Heavy Duty. All rights reserved.


With Reliance, Premium Quality Comes Standard.

For more than four decades, Reliance has been a leading provider of premium aftermarket repair parts catering to heavy duty diesel engines within construction, farming, marine, and industrial equipment, in addition to on-highway trucks.

Our commitment to excellence shines through in every product, as we manufacture parts to match or exceed OEM standards all back with our Reliance Hassel Free Warranty. Guaranteeing that equipment can swiftly return to operation.

The Reliance name has been relied upon by engine professionals, diesel service technicians, and machine repair shops worldwide. With an extensive catalog of over 100,000 parts which cover over 5,000 machine applications, for more than 50 OEMs, Reliance offers the widest coverage of “All Makes & All Models” engine repair parts.

Trust Reliance to keep your engines running smoothly, bring equipment back to life, and/ or extend the life of the engine.

The Right Parts

  • Engine Assembly & Components:
    • Blocks, Front Gear Train & Parts
    • Camshafts & Parts
    • Connecting Rods & Parts
    • Crankshafts & Parts
    • Cylinder Components
    • Cylinder Heads
    • Engine Assemblies
    • Engine Bearings
    • Gaskets & Gasket Sets
    • Manifolds & Parts
    • Oil Pumps, Oil Coolers & Parts
    • Turbochargers, Blowers & Parts
    • Valve Train Parts
  • Brake System Parts
  • Cab and Interior Parts
  • Clutch Parts
  • Combine Parts
  • Cooling System Parts
  • Engine Overhaul Kits
  • Exterior Body Parts
  • Flywheels & Parts
  • Fuel System Parts
  • Hydraulics Parts
  • Instrumentation
  • Lighting & Parts
  • PTO & Three Point Hitch Parts
  • Seating & Parts
  • Starters, Charging System & Spark Distribution Parts
  • Steering Parts, Axle Parts
  • Wheel Bearings & Seals
  • Manuals, Training Operator & Service
  • Transmission & Differential Parts
Cursor 9 & 13 Available

Thank you for the opportunity to support your equipment with Reliance parts!

New to Reliance?


The Right Parts To Transform Your Equipment

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© Reliance a Nivel HD brand 2023. All manufacturer names, numbers, symbols & descriptions are for reference purposes only. It is not implied in any way that the items are a product of the manufacturer referenced. OEM makes are registered trademarks of their respective owners.