Product Categories
- Block & Internal Parts 471
- Camshaft 165
- Camshaft Components 35
- Crankshaft 195
- Crankshaft Components 22
- Connecting Rod 54
- Rods & Main Bearings 0
- Push Rod 0
- Rocker Arm 0
- Thrust Plate 0
- Cylinder Components 593
- Diesel Engine 221
- Fuel Injectors & Nozzles 537
- Turbocharger & Kit 704
- Rebuild Kits 283
- Cylinder Kits 0
- Overhaul Gasket 154
- Overhaul Kits 129
- Filters 316
- Air Filter 124
- Filter Kit 35
- Fuel Filter 74
- Oil Filter 42
- Hydraulic Filter 18
- Water Separator 23
- 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 807
- Stop Solenoid 124
- Alternator 349
- Cylinder Head Cover 0
- Flywheel Ring 0
- Flywheel 0
- Flywheel Housing 0
- Starter Motor 334
- Vibration Damper 0
- Exhaust Manifolds 0
- Manifold 0
- Manifold Kit 0
- Muffler 0
- Lubrication & Cooling 287
- Oil Cooler 0
- Oil Pan 0
- Oil Pump 0
- Thermostat 141
- Thermostat Housing 0
- Water Pump 146
- Sensors 57
- Tool Kits 1
- Other Engine Parts 8
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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STD Piston Kit with Ring 4944477 for Cummins Engine QSB3.3 $242.00
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Piston Cooling Nozzle 5405324 4937311 for Cummins Engine 6B5.9 ISB6.7 ISC ISC8.3 ISL ISL9 QSL9 Hyundai Excavator R320LC-9 $33.50
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Piston Kit 3930450 3806219 for Cummins Engine 6BT 6BT5.9 $53.55
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Piston Kit 3970192 for Cummins Engine 5.9 L Dodge Ram 2500 3500 $615.99
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6PCS 3926990 for Cummins Engine 4BT 6BT ISBE $643.57
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.