Komatsu Valve Insert In 6711-11-1120

The Komatsu Valve Insert In 6711-11-1120 is identified in the supplied parts catalog as a CYLINDER HEAD & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include NTA855-1 and NT855-1. Listed machine applications include HD320-2, HD320-3, PC400-1, PC400LC-1, and D80P-18. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6711-11-1120 used for?

Part number 6711-11-1120 is cataloged as a Valve Insert In. 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

NTA855-1, NT855-1

Engine models with serial-number ranges

NTA855-1 (Build 19B) ? Not Provided | NT855-1 (Build 19C) ? Not Provided

Application models without serial numbers

HD320-2, HD320-3, PC400-1, PC400LC-1, D80P-18, D85A-18, D85E-18, D85P-18, D95S-2

Applications with serial-number ranges

HD320-2 S/No. 1005-Up, HD320-3 S/No. 2501-Up, PC400-1 S/No. 10001-Up, PC400LC-1 S/No. 10001-Up, D80P-18 S/No. 2001-Up, D85A-18 S/No. 25001-Up, D85E-18 S/No. 25001-Up, D85P-18 S/No. 25001-Up, D95S-2 S/No. 2001-Up

How do I confirm fitment?

Match 6711-11-1120 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 6711-11-1120 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.