Product Categories
- Block & Internal Parts 470
- Camshaft 165
- Camshaft Components 35
- Crankshaft 195
- Crankshaft Components 22
- Connecting Rod 53
- Rods & Main Bearings 0
- Push Rod 0
- Rocker Arm 0
- Thrust Plate 0
- Cylinder Components 404
- Diesel Engine 221
- Fuel Injectors & Nozzles 536
- Turbocharger & Kit 704
- Rebuild Kits 154
- Filters 0
- Fuel System 659
- Common Rail Assembly 48
- Fuel Line 32
- Fuel Pump 191
- Injection Pump 320
- Injection Pump Repair Kit 18
- Pump Head & Rotor 50
- Engine Auxiliary Components 806
- Stop Solenoid 124
- Alternator 349
- Cylinder Head Cover 0
- Flywheel Ring 0
- Flywheel 0
- Flywheel Housing 0
- Starter Motor 333
- Vibration Damper 0
- Exhaust Manifolds 0
- Manifold 0
- Manifold Kit 0
- Muffler 0
- Lubrication & Cooling 140
- Oil Cooler 0
- Oil Pan 0
- Oil Pump 0
- Thermostat 140
- Thermostat Housing 0
- Water Pump 0
- Sensors 57
- Tool Kits 1
- Other Engine Parts 7
Engine Manufacturer
- For Belaz 1
- For CUMMINS 221
- For SANY 1
- For XCMG 8
Engine Model
Condition
- New 220
- Remanufactured 1
Featured Products
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Crankshaft Rear Seal 6141-21-1332 for Komatsu Engine 4D95L-1 4D95S-1 S4D95L-1 Excavator PC118MR-8 PC130-8 PC138US-8 PC200LC-5
$17.66
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Crankshaft Pulley 4937411 for Cummins Engine 4BT 6BT
$128.52
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Crankshaft Pulley 6156-31-1550 for Komatsu Engine 6D125 Excavator PC400-7 PC400-8 PC450-8 PC450LC-8 PC550LC-8
$523.59
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Crankshaft Gear 4982153 for Cummins Engine B3.3
$132.84
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Crankshaft Gear 107-0990 for Caterpillar CAT 3046 C3.4 Engine 933 939 939C D3C D3G D4C D4G D5C D5G LGP XL Series III
$95.84
Cummins QSM11-335 2000rpm QSM11 Farm Machinery Engines
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715HP QSM11-300 Multi-cylinder Marine Engines for Sale
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Cummin QSM11-290 Complete Engine Assembly for Excavator
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Cummins M11-C350 350hp Tractor Diesel Engine
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Cummins M11-C335 6-Cylinder Diesel Engine
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Cummins Qsm11 M11-C330 6-Cylinder 330hp Diesel Engine
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M11-C320 Diesel Engine 320HP M11 Complete Engine Assy
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Cummins QSM11-C315 Diesel Engine
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Cummins QSM11 QSM11-C310 Diesel Engine
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Diesel Engine QSM11 QSM11-C300 for Construction Machine
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Cummins CCEC M11-C290 Diesel Engine
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M11-C280 Diesel Engine for Cummins Engines
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Machinery Engine M11-C270 M11 Complete Engine
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Cummins Diesel Engine M11-C265 for Construction
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Cummins M11-C250 Construction Diesel Engine
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CCEC Cummins M11-C245 Diesel Engine
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M11-C225 CCEC Cummins M11 Complete Engine
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Cummins Machinery Engine M11-C275 CPL2917 M11 Complete Engine
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Cummins KTTA50-C2000 / K2000E Engine
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Cummins Engine QSK60-C2500 for BELAZ-7531 7530 Mining Truck
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Engine Assembly for Heavy Equipment
The engine assembly is the core of any Cummins diesel engine, with critical components such as the crankshaft and cylinder head often regarded as the “heart” of the engine. Built from high-strength, wear-resistant alloys, these assemblies are engineered to endure extreme working environments—whether it’s the heavy loads of construction machinery, the long hauls of trucks, the continuous operation of generators, or the demanding conditions of marine vessels.
Overheating, dust, and constant vibration can accelerate engine wear, making the quality of your replacement parts crucial. That’s why 4BTDiesel provides durable, high-performance Cummins engine assemblies and components designed to deliver reliability and efficiency across multiple applications.
4BTDiesel: Your Trusted Engine Assembly Replacement Supplier
As a trusted supplier, 4BTDiesel offers a full range of Cummins-compatible engine assemblies and spare parts at competitive prices. Whether you operate excavators, dozers, trucks, generators, or marine engines, you’ll find the right assembly and components to keep your machines running at peak performance.
Maintenance Tips for Engine Assemblies
- Regularly inspect engine assemblies to identify early signs of wear.
- Keep the engine clean to ensure efficient cooling and heat dissipation.
- Change engine oil, oil filters, and air filters on schedule.
- Monitor coolant levels and concentration to prevent overheating.
- Replace worn assemblies promptly to avoid costly downtime.
By choosing 4BTDiesel for your Cummins engine assemblies, you ensure long-lasting performance, lower maintenance costs, and reliable power—no matter the application.