Komatsu Engine Bolt 01010-31255

Komatsu Engine Bolt 01010-31255 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 01010-31255 is listed as Bolt. Search also by the no-dash alternate number 0101031255.

Engine book references

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

• ENGINES / S4D105-5E S/N 101262-UP / CYLINDER BLOCK / ENGINE SUPPORT (2262)
• ENGINES / S4D120-11F S/N 50026-UP / COOLING AND ELECTRICAL SYSTEMS / DYNAMO AND MOUTING(13A¤20A) (521)
• ENGINES / S4D120-11F S/N 50026-UP / CYLINDER BLOCK / CYLINDER BLOCK (201)
• ENGINES / S4D120-11G S/N 50025-UP / COOLING AND ELECTRICAL SYSTEMS / DYNAMO AND MOUTING(13A¤20A) (521)
• ENGINES / S4D120-11G S/N 50025-UP / CYLINDER BLOCK / CYLINDER BLOCK (201)
• ENGINES / S4D120-11S S/N 59235-UP / COOLING AND ELECTRICAL SYSTEMS / ALTERNATOR AND MOUTING(35A)(COLD TERRAIN SPEC.)(#61639-) (523)

This part appears in 73 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.