Komatsu Engine Main Metal Assembly Standard 6150-21-8010

Komatsu Engine Main Metal Assembly Standard 6150-21-8010 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6150-21-8010 is listed as Main Metal Assembly Standard. Search also by the no-dash alternate number 6150218010.

Engine book references

This part appears in Komatsu engine parts book paths such as:

• ENGINES / S6D125-1AD S/N 41578-UP / CYLINDER BLOCK / CRANKSHAFT (0231)
• ENGINES / S6D125-1AF S/N 51975-UP / ENGINE / CRANKSHAFT(#51975-62861) (A2310-A3A2)
• ENGINES / S6D125-1AG S/N 51975-UP / ENGINE / CRANKSHAFT(#51975-62861) (A2310-A3A2)
• ENGINES / S6D125-1AG-FA S/N 10001-UP / ENGINE / CRANKSHAFT (HIGH ALTITUDE SPEC.)(#51975-) (A2310-A3A2)
• ENGINES / S6D125-1AG-FT S/N 10001-UP / ENGINE / CRANKSHAFT (HIGH ALTITUDE SPEC.)(#51975-) (A2310-A3A2)
• ENGINES / S6D125-1AG-T S/N 51975-UP / ENGINE / CRANKSHAFT(#51975-62861) (A2310-A3A2)

This part appears in 192 Komatsu engine book paths in our reference data.

Verification note

Always confirm final fitment by engine model, serial range, diagram callout, and part number before ordering. Hub references are provided to help buyers find the right engine section and related parts faster.

Keep Ops Moving

19PARTS organizes Komatsu engine parts around searchable engine-model hubs so rebuild shops, equipment owners, and fleet teams can identify parts and keep repairs moving.