Komatsu Valve Insert Ex 6710-11-1120

The Komatsu Valve Insert Ex 6710-11-1120 is identified in the supplied parts catalog as a CYLINDER HEAD & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include N855-1 and NTA855-1. Listed machine applications include PC300-1, PC300-2, PC300LC-1, PC300LC-2, and HD320-2. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6710-11-1120 used for?

Part number 6710-11-1120 is cataloged as a Valve Insert Ex. It appears in the CYLINDER HEAD & COMPONENTS parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

N855-1, NTA855-1

Engine models with serial-number ranges

N855-1 (Build 19A) ? Not Provided | NTA855-1 (Build 19B) ? Not Provided

Application models without serial numbers

PC300-1, PC300-2, PC300LC-1, PC300LC-2, HD320-2, HD320-3

Applications with serial-number ranges

PC300-1 S/No. 1001-Up, PC300-2 S/No. 11001-Up, PC300LC-1 S/No. 11001-Up, PC300LC-2 S/No. 11001-Up, HD320-2 S/No. 1005-Up, HD320-3 S/No. 2501-Up

How do I confirm fitment?

Match 6710-11-1120 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 6710-11-1120 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.