Engine Oil Pump | Compatible with Cummins/Komatsu/Caterpillar/Shangchai/Weichai | Order by Part Number/Engine Model | In Stock
This product is a diesel engine-specific oil pump, including fuel pump (transfer pump, high-pressure fuel pump) and lubricating oil pump (engine oil pump), suitable for Cummins, Komatsu, Caterpillar, Shangchai, Weichai and other brand engines. The oil pump is a core component of the engine fuel system and lubrication system, responsible for delivering fuel and lubricating oil to the engine to ensure normal operation. It adopts high-quality materials and high-precision machining to ensure stable oil supply pressure and flow rate.
Product Classification
By Type
| Type | Description | Representative Part Numbers |
|---|---|---|
| Fuel Pump (Transfer Pump) | Delivers fuel from tank to high-pressure fuel pump | 3926203, 3966840, 3930338 |
| Lubricating Oil Pump (Engine Oil Pump) | Circulates oil to lubricate engine components | 3821579, AR10172, AR9835 |
| Rear Oil Pump Assembly | Komatsu specific, includes gear and housing | 704-24-28230, 704-24-28203 |
| Pressure Relief Valve | Oil pressure regulation and protection | AR11457 |
By Brand
Cummins
| Part Number | Type | Applicable Model | Remarks |
|---|---|---|---|
| 3926203 | Oil Pump | 6BT | |
| 3966840 | Oil Pump | 6CT | 230HP |
| 3930338 | Oil Pump | 6CT | 240HP |
| 3821579 | Oil Pump | NT855 | |
| AR10172 | Oil Pump | NT855 | |
| AR9835 | Oil Pump | NT855/NTA855-G | |
| 3821572 | Oil Pump | NT855/NTC290 | |
| 3047549 | Oil Pump | K19 | |
| AR11457 | Pressure Relief Valve | K38 | |
| AR12387 | Oil Pump | K38 | |
| 4003950 | Oil Pump | M11 | |
| 3803698 | Oil Pump | N14 |
Komatsu
| Part Number | Applicable Model | Remarks |
|---|---|---|
| 6731-51-1111 | 6D102 | Oil Pump |
| 6136-51-1002 | 6D105 | Oil Pump |
| 6136-52-1100 | 6D105 | Oil Pump |
| 6136-52-1210 | 6D105 | Oil Pump |
| 704-24-28230 | 6D105/PC200-3 | Rear Oil Pump Assembly |
| 6209-51-1700 | 6D95 | Oil Pump |
| 704-24-28203 | 6D95/PC200-5 | Rear Oil Pump Assembly |
| 6207-51-1201 | 6D95L | Oil Pump |
| 6151-51-1005 | S6D125 | Oil Pump |
| 6128-52-1013 | S6D155 | Oil Pump (without gear and valve) |
Caterpillar
| Part Number | Applicable Model | Remarks |
|---|---|---|
| 4W2448 | 3300 Series | Oil Pump |
| 6I1346 | 3300 Series | Oil Pump |
Product Features
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High-quality cast housing, high strength and wear resistance
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Precision gear/rotor machining, stable oil supply pressure
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High-precision fit clearance, ensuring oil pressure and flow
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Strict quality inspection, ensuring reliability
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OEM matching quality, precise dimensions
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Complete specifications, support inquiry by part number or engine model
