XZR8®
Product TypeFuel Injection Pump
Fuel System TypeCommon Rail Fuel System (CCR/CAPS II)
Displacement8.3L / 8.9L
Supported Engine SeriesISC, ISL, QSL, QSC, ISLE
Cylinders6-Cylinder
MaterialSteel
Working PressureHigh Pressure Common Rail (specific values vary due to ECU calibration)
Emission StageTier 3
InstallationOriginal Equipment Replacement
WeightApproximately 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

High-quality aftermarket fuel injection pump 4921431 designed for Cummins ISL engines. Compatible with multiple OEM numbers including 4921431NX, 3973228, 4954200, and more. Ensures optimal fuel delivery and engine performance. Direct replacement for original parts with easy installation.