Cummins 4BT3.9 Engine Parts
Cummins 4BT3.9 Engine Parts
OWELL supplies Cummins 4BT3.9 engine parts for generator sets and industrial applications, covering routine maintenance, engine repair and complete overhaul requirements.
Cummins 4BT3.9 Engine Models
Parts supply for commonly used 4BT3.9 engines, including:
4BT3.9-G1 · 4BT3.9-G2 · 4BT3.9-G4
Other 4BT3.9 generator and industrial engine configurations are also supported.
Fuel pump, governor and turbocharger specifications may vary between configurations. Part compatibility can be verified by ESN, CPL or part number when required.
Cummins 4BT3.9 Parts Range
Overhaul Parts
Pistons, piston rings, piston pins, main bearings, connecting rod bearings, gasket kits, cylinder heads, valves, valve guides and other engine overhaul parts.
Fuel Injection System Parts
Fuel injectors, mechanical fuel injection pumps, fuel transfer pumps, fuel shutoff solenoids, injector fuel lines and related fuel system parts.
Cooling & Lubrication Parts
Water pumps, oil pumps, oil coolers, thermostats, seals and related components.
Turbocharger & Air System Parts
Turbochargers, turbocharger repair parts, intake manifolds, air intake components and related parts.
Governor & Electrical Parts
Mechanical governor components, electronic governor control units, speed sensors, fuel control actuators, starter motors, charging alternators and related parts for applicable engine configurations.
Maintenance Parts
Oil filters, fuel filters, fuel/water separators, air filters, belts, hoses, seals and other routine maintenance parts.
Popular Cummins 4BT3.9 Parts
| Part Description | Part Number |
|---|---|
| Fuel Injector | 4943468 |
| Fuel Injection Pump | 5254841 |
| Fuel Transfer Pump | 3415699 |
| Engine Piston | 3926631 |
| Main Bearing | 3929016 |
| Connecting Rod Bearing | 3971970 |
| Cylinder Head Gasket | 3283333 |
| Water Pump | 4935793 |
| Lubricating Oil Pump | 4939585 |
| Turbocharger | 4048417 |
Part numbers are for reference only and may be updated or superseded. Final compatibility will be confirmed before ordering.
4BT3.9 Overhaul Parts
Planning a Cummins 4BT3.9 engine overhaul?
OWELL supplies 4BT3.9 overhaul and rebuild parts for partial repairs and complete engine overhauls.
Our supply covers pistons, piston rings, bearings, gasket kits, cylinder head components, fuel injection system parts and other essential overhaul components.
Complete parts lists are welcome for quotation.
Genuine & Aftermarket 4BT3.9 Parts
Genuine Cummins Parts
Original Cummins parts with identifiable packaging and anti-counterfeit information where applicable.
High-Quality Aftermarket Parts
Selected 4BT3.9 parts are also available as reliable and cost-effective aftermarket options.
Genuine and aftermarket options can be quoted separately according to project requirements.
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Need Cummins 4BT3.9 engine parts?
Contact OWELL for pricing, availability and worldwide supply.
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