Komatsu Cylinder Block 6710-21-1032

The Komatsu Cylinder Block 6710-21-1032 is identified in the supplied parts catalog as a CYLINDER BLOCK & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include NTA855-1. Listed machine applications include HD320-2 and HD320-3. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6710-21-1032 used for?

Part number 6710-21-1032 is cataloged as a Cylinder Block. It appears in the CYLINDER BLOCK & COMPONENTS parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

NTA855-1

Engine models with serial-number ranges

NTA855-1 (Build 19B) ? Not Provided

Application models without serial numbers

HD320-2, HD320-3

Applications with serial-number ranges

HD320-2 S/No. 1005-Up, HD320-3 S/No. 2501-Up

How do I confirm fitment?

Match 6710-21-1032 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 6710-21-1032 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.