Komatsu Main & Thrust Metal Set STD 6164-21-8001

The Komatsu Main & Thrust Metal Set STD 6164-21-8001 is identified in the supplied parts catalog as a CRANKSHAFT & RELATED PARTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include SA8V170-1. Listed machine applications include D475A-1, WA800-1, and HD785-2. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6164-21-8001 used for?

Part number 6164-21-8001 is cataloged as a Main & Thrust Metal Set STD. It appears in the CRANKSHAFT & RELATED PARTS parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

SA8V170-1

Engine models with serial-number ranges

SA8V170-1 (Build 16A) ? 10001-Up

Application models without serial numbers

D475A-1, WA800-1, HD785-2

Applications with serial-number ranges

D475A-1 S/No. 10001-Up, WA800-1 S/No. 10001-Up, HD785-2 S/No. 1501-Up

How do I confirm fitment?

Match 6164-21-8001 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 6164-21-8001 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.