Cummins 4921431 Fuel Injection Pump - Compatible with ISC/ISL/QSL 8.3L/8.9L Engines Common Rail Fuel Pump
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| Product Type | Fuel Injection Pump |
| Fuel System Type | Common Rail Fuel System (CCR/CAPS II) |
| Displacement | 8.3L / 8.9L |
| Engine Series | ISC, ISL, QSL, QSC, ISLE |
| Cylinders | 6-Cylinder |
| Material | Steel |
| Working Pressure | High Pressure Common Rail (specific values vary due to ECU calibration) |
| Emission Stage | Tier 3 |
| Installation | Original Equipment Replacement |
| Weight | Approximately 15 kg |
Manufacturer No.
49214314921431NX3973228495420049034622897500559476653111714307021493567439717093975375408860440886434088643NX4954200NX4954200R4954200RX2897500NX2897500RX8449358584493585R87351412P4954200R700248AT
OEM Part No.
49214314921431NX39732284954200
Engine Part No.
ISC8.3ISL8.9QSL8.9QSC8.3ISLE4ISLE9.5L9ISB6CT8.36BT5.9QSL9ISBe4ISL9
Interchange No.
3973228495420049034622897500559476653111714307021493567439717093975375408860440886434088643NX4954200NX4954200R4954200RX2897500NX2897500RX8449358584493585R87351412P4954200R700248AT
Fitment Vehicles
Equipment compatible with Cummins ISC/ISL/QSL/ISLE engine seriesHeavy-duty truckConstruction machinery
Fuel System - Industrial Encyclopedia
Cummins OEM and high-quality alternative fuel injection pump, part number 4921431. This pump is a core component of the diesel engine fuel system, responsible for delivering fuel at precise pressure and timing to the cylinders for combustion. Widely compatible with Cummins ISC 8.3L, ISL 8.9L, QSL8.9, QSC8.3 and ISLE engine series, suitable for heavy trucks, construction machinery and generator sets. Interchangeable OEM numbers include 3973228, 4954200, 4903462, 2897500, etc. Strictly manufactured to OEM specifications, ensuring fuel efficiency and engine performance.