Komatsu Fuel Nozzle Injector 6134-12-3120

The Komatsu Fuel Nozzle Injector 6134-12-3120 is identified in the supplied parts catalog as a FUEL SYSTEM for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include 4D105-5H/5J/5T. Listed machine applications include D31A-17, D31E-17, D31P-17, D31P-17A, and D31Q-17. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6134-12-3120 used for?

Part number 6134-12-3120 is cataloged as a Fuel Nozzle Injector. It appears in the FUEL SYSTEM parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

4D105-5H/5J/5T

Engine models with serial-number ranges

4D105-5H/5J/5T (Build 5B) ? 102876-152519

Application models without serial numbers

D31A-17, D31E-17, D31P-17, D31P-17A, D31Q-17, D31S-17, GD300-A

Applications with serial-number ranges

D31A-17 S/No. 32001-Up, D31E-17 S/No. 32001-Up, D31P-17 S/No. 32001-Up, D31P-17A S/No. 32001-Up, D31Q-17 S/No. 32001-Up, D31S-17 S/No. 32001-Up, GD300-A S/No. 2001-Up

How do I confirm fitment?

Match 6134-12-3120 to the existing part number and verify the complete engine model, equipment model, and serial number. A shared model name does not confirm compatibility because production changes can affect the required component.

Frequently asked question

Will 6134-12-3120 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.