Komatsu Fuel Nozzle Injector 6151-12-3120

The Komatsu Fuel Nozzle Injector 6151-12-3120 is identified in the supplied parts catalog as a FUEL SYSTEM for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include S6D125E-2. Listed machine applications include D65EX-12, D65P-12, D65PX-12, and D75S-5. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6151-12-3120 used for?

Part number 6151-12-3120 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

S6D125E-2

Engine models with serial-number ranges

S6D125E-2 (Build 10F) ? Not Provided

Application models without serial numbers

D65EX-12, D65P-12, D65PX-12, D75S-5

Applications with serial-number ranges

D65EX-12 S/No. 60942-Up, D65P-12 S/No. 60884-Up, D65PX-12 S/No. 60884-Up, D75S-5 S/No. 15001-Up

How do I confirm fitment?

Match 6151-12-3120 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 6151-12-3120 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.