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Cummins Cummins 5303018 Urea Dosing Pump Doser Fluid Supply Module (with circuit board)
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| Product Name | Urea Dosage Pump / Doser Fluid Supply Module |
| Part Number | 5303018 / 4328805 / A042P115 |
| Voltage | 24V |
| Working Voltage Range | 24V (Nominal) |
| System Type | SCR (Selective Catalytic Reduction) Urea Injection System |
| Compatible System | Cummins EcoFit UA2 |
| Pump Type | Diaphragm Metering Pump (including PCB) |
| Rated Flow | 500 mA (circuit signal reference) |
| Working Pressure | 2000 MPa (as marked in the original, should be 2000 kPa or 20 bar, corrected) |
| Electrical Interface | Integrated PCB circuit board, 24V power signal harness |
| Material | Engineering Plastic Pump Housing, Stainless Steel Internal Components |
| Installation | Bracket fixed, threaded interface |
Manufacturer No.
53030185303018FR
OEM Part No.
530301843288055289921
Engine Part No.
Cummins ISB3.9Cummins ISB4.5Cummins ISB5.9Cummins ISF3.8Cummins ISF4.5Cummins ISL8.9Cummins ISL9Cummins ISG12Cummins ISBeCummins ISDeCummins QSBCummins QSLCummins ISC8.9
Interchange No.
A042P115A052B245AU2A044W102530358553140112865048
Fitment Vehicles
Shaanxi Auto Heavy Duty TruckDongfeng TianlongFoton AumanFoton DaimlerHualing Heavy TruckJAC GalifaHongyan Jieshi
Fuel System - Industrial Encyclopedia
Supply Cummins EcoFit urea injection pump assembly, OEM part number 5303018. This pump is also known as Doser Fluid Supply Module, with interchange numbers including 4328805, A042P115, 5289921. Suitable for Cummins ISB3.9, ISB4.5, ISB5.9, ISF3.8, ISF4.5, ISL8.9, ISG12 and other series of diesel engines, commonly used in heavy trucks and construction machinery such as Dongfeng, Foton OMAN, Shaanqi, etc. The product uses 24V DC voltage, has stable injection pressure and flow rate, and is a core component of the SCR aftertreatment system. 100% bench testing ensures reliable performance.