Komatsu Gasket 6151-51-8721

The Komatsu Gasket 6151-51-8721 is identified in the supplied parts catalog as a GASKET KITS & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include SA6D125E-3B-7/8 & SAA6D125E-3. Listed machine applications include WA480-5, PC400LC-7L, and WA470-5H. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6151-51-8721 used for?

Part number 6151-51-8721 is cataloged as a Gasket. It appears in the GASKET KITS & COMPONENTS parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

SA6D125E-3B-7/8 & SAA6D125E-3

Engine models with serial-number ranges

SA6D125E-3B-7/8 & SAA6D125E-3 (Build 10L) ? 310001-Up

Application models without serial numbers

WA480-5, PC400LC-7L, WA470-5H

Applications with serial-number ranges

WA480-5 S/No. H50051-Up, PC400LC-7L S/No. A86001-Up, WA470-5H S/No. 50051-Up

How do I confirm fitment?

Match 6151-51-8721 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 6151-51-8721 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.