Cummins 4988593 Common Rail Fuel Injection Pump for QSB6.7/ISB6.7 Engines
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| Product Type | High Pressure Common Rail Fuel Injection Pump |
| Fuel System Type | Common Rail System |
| Pump Type | CP3 High Pressure Pump |
| Brand | Bosch |
| Part Number | 4988593 |
| Interchange Part Number | 4988593NX, 5256607, 4941066, 3975701, 0445020122 |
| Engine Model | Cummins QSB6.7, ISB6.7, QSB4.5, ISF3.8, QSB3.3, ISBe, ISDe |
| Applications | Heavy Duty Trucks, Construction Equipment, Agricultural Machinery, Generator Sets |
| Warranty Period | 1 year unlimited mileage |
| Certification | 100% Original Factory Testing |
Manufacturer No.
49885934988593NX4988593RX
OEM Part No.
4988593
Engine Part No.
QSB6.7ISB6.7QSB4.5ISF3.8QSB3.3ISBeISDeQSB
Interchange No.
4988593NX4988593RX52566075256607NX5256607RX52566085256608NX5256608RX494106639757013975700044502012204450200432P0130105B6754-71-1012675471101200005040
Fitment Vehicles
Heavy Duty TruckConstruction EquipmentAgricultural EquipmentGenerator Set
Fuel System - Industrial Encyclopedia
Purchase the original Cummins fuel injection pump, part number 4988593. This high-pressure common rail pump is suitable for Cummins engines QSB6.7, ISB6.7, QSB4.5, ISF3.8, and is widely used in heavy trucks, construction machinery, and agricultural equipment. As a replacement for the Bosch CP3 common rail pump, it ensures precise fuel atomization and pressure regulation, optimizing combustion efficiency. Interchangeable part numbers include 4988593NX, 5256607, 4941066, 3975701, 0445020122. Original factory quality, with a 1-year unlimited mileage warranty, it is a reliable choice for engine fuel system upgrades or repairs.