Cummins M11 Engine Parts
OWELL supplies Cummins M11 engine parts for industrial and generator-drive applications, covering routine maintenance, engine repair and complete overhaul requirements.

Cummins M11 Engine Models
Parts supply for commonly used M11 industrial engines, including:
M11-C250 Series · M11-C300 Series · M11-C330
Other M11 industrial and generator-drive configurations, including M11-G2, are also supported.
Part compatibility can be verified by ESN, CPL or part number when required.
Cummins M11 Parts Range
Overhaul Parts
Pistons, piston rings, piston kits, cylinder liners, liner kits, main bearings, connecting rod bearings, gasket kits, cylinder heads, valves, valve guides and other engine overhaul parts.
Fuel Injection System Parts
Fuel injectors, fuel pumps, PT fuel system components, fuel shutoff valves, fuel lines and CELECT injection components for applicable engine configurations.
Cooling & Lubrication Parts
Water pumps, water pump repair kits, oil pumps, oil coolers, piston cooling nozzles, thermostats, seals and related components.
Turbocharger & Air System Parts
Turbochargers, turbocharger repair parts, aftercoolers, intake manifolds and related components.
Electronic Control & Electrical Parts
Engine Control Modules (ECM), sensors, injector wiring harnesses and other electronic control parts for applicable configurations, as well as starter motors, charging alternators and related electrical components.
Maintenance Parts
Oil filters, fuel filters, fuel/water separators, air filters, belts, hoses, seals and other routine maintenance parts.
Popular Cummins M11 Parts
| Part Description | Part Number |
|---|---|
| Fuel Injector | 3411821 |
| Engine Piston Kit | 3803976 |
| Piston Ring Set | 3803977 |
| Cylinder Liner Kit | 3803703 |
| Main Bearing Set | 3801150 |
| Connecting Rod Bearing | 3016760 |
| Water Pump Assembly | 3803403 |
| Lubricating Oil Pump | 3895756 |
| Aftercooler | 3801801 |
| Piston Cooling Nozzle | 3080708 |
Part numbers are for reference only and may be updated or superseded. Final compatibility will be confirmed before ordering.
M11 Overhaul Parts
Planning a Cummins M11 engine overhaul?
OWELL supplies M11 overhaul and rebuild parts for partial repairs and complete engine overhauls.
Our supply covers piston kits, cylinder liner kits, bearings, gasket kits, cylinder head components, fuel injection system parts and other essential overhaul components.
Complete parts lists are welcome for quotation.
Genuine & Aftermarket M11 Parts
Genuine Cummins Parts
Original Cummins parts with identifiable packaging and anti-counterfeit information where applicable.
High-Quality Aftermarket Parts
Selected M11 parts are also available as reliable and cost-effective aftermarket options.
Genuine and aftermarket options can be quoted separately according to project requirements.
Request a Quote
Need Cummins M11 engine parts?
Contact OWELL for pricing, availability and worldwide supply.
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