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Heavy Duty Diesel Engine Kits & Engine Parts

Heavy Duty Pros offers a huge selection of OEM quality parts for tractors, equipment and trucks. When it comes to ordering heavy duty engine parts, rely on the experts. We have decades of experience in the diesel & heavy duty parts and repair industry. Whether its agricultural, industrial, construction or an on-highway application we have the parts you need.

Air Intake System Parts
  • Intake Manifolds
  • Blowers
  • Air Cleaners
  • Turbochargers
  • Turbo Cartridges
Heavy Duty Air System Parts
Exhaust System Parts
  • Exhaust Manifolds
  • Exhaust Sleeves & Seals
  • Mufflers
Heavy Duty Exhaust System Parts
Hardware Parts
  • Bolts
  • Studs
  • Nuts
  • Clips
  • Clamps
  • Expansion Plugs
Heavy Duty Hardware
Lubrication System Parts
  • Oil Pumps
  • Oil Coolers
  • Piston Cooling Nozzles
  • Oil Pans
  • Oil Pump Repair Parts
  • Oil Pressure Relief Valves
Heavy Duty Lubrication System Parts
Cooling System Parts
  • Aftercoolers
  • Hoses
  • Intercoolers
  • Radiators
  • Thermostats
  • Water Pumps
  • Water Pump Repair Parts
Heavy Duty Cooling System Parts
Engine Internals
  • Crankshafts
  • Cylinder Heads
  • Rod & Main Bearings
  • Connecting Rods
  • Gaskets
  • Pistons
  • Piston Rings
  • Cylinder Kits
  • Sleeves & Liners
  • Timing Cover Housings
  • Flywheel Housings
  • Flywheels & Ring Gears
Heavy Duty Internal Engine Parts
Valve Train Parts
  • Intake & Exhaust Valves
  • Camshafts & Lifters
  • Push Rods
  • Valve Springs
  • Valve Guides
  • Valve Keepers
  • Valve Seats
  • Rocker Arms
  • Rocker Shafts
Heavy Duty Valve Train Parts
Fuel System Parts
  • Fuel Injectors
  • Injection Pumps
  • Fittings
  • O-rings & Seals
  • Fuel Transfer Pumps
  • Injector Cups & Sleeves
  • Pump Gears
Heavy Duty Fuel System Parts
We offer a broad selection of parts for the following manufacturers:
OEM Quality Aftermarket Parts for Less
We know quality and longevity is critical in todays heavy duty market. That's why we've made it our mission to provide superior quality aftermarket parts, immediate shipping, and technical support while offering competitive prices. Typically, our customers save over 50% when compared to original equipment manufacturers. You do not have to compromise on quality. We utilize cutting edge technology and strenuous product testing, to ensure the quality of our diesel engine parts.