Part number lookup

4921431 Replacement Parts

Cross-reference and compare 3 replacement listings for OEM / aftermarket part number 4921431. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

3 Matching Products

Common Rail Injector Pump 3973228 CCR1600 for Cummins ISLE 6CT EngineIsleCommon Rail Injector Pump 3973228 CCR1600 for Cummins ISLE 6CT Engine$1,590.57Fuel Injection Pump 5594766 for Cummins Engine ISL ISL9 QSL8.9 QSC QSLCumminsFuel Injection Pump 5594766 for Cummins Engine ISL ISL9 QSL8.9 QSC QSL$699.99Fuel Pump Repair Kit for Cummins Engine QSC ISLE 8.3L QSL9 6CT 8.3L QSL C GAS PLUS CM556CumminsFuel Pump Repair Kit for Cummins Engine QSC ISLE 8.3L QSL9 6CT 8.3L QSL C GAS PLUS CM556$54.00

Part Numbers and Cross References

397322849027314921431QSL8.95594766397537549542004954200NX4954200RX4921431NX490346228975002897500NX3972284902732

Applications and Fitment Summary

  • Part Number
  • ISLE QSL8.9 QSL 6CT Engine
  • Cummins · s: Fit For Cummins Engine: ISL CM2150, ISL9 CM2150 SN, QSL8.9 CM2150 L141, QSC, QSL, ISL
  • Cummins · s : QSC, ISLE 8.3L, QSL9, 6CT 8.3L, QSL CCR1600, C GAS PLUS CM556

Frequently Asked Questions

What parts replace OEM number 4921431?

This page lists 3 replacement listings indexed under 4921431. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for 4921431?

Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.

Can I request a quote if 4921431 is not an exact match?

Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.