Komatsu Engine O-Ring 6271-81-9220

Komatsu Engine O-Ring 6271-81-9220 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6271-81-9220 is listed as O-Ring. Search also by the no-dash alternate number 6271819220.

Engine book references

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

• ENGINES / SAA12V140E-3A S/N 500001-UP / ENGINE / CYLINDER BLOCK GASKET KIT (FOR D475A-5) (A8120-A7A1)
• ENGINES / SAA12V140E-3A S/N 500001-UP / ENGINE / FLYWHEEL HOUSING (WITH BARING AND REVOLUTION SENSOR) (A2210-A7C9)
• ENGINES / SAA12V140E-3A S/N 502127-UP (For D475A-5E0/D475ASD-5E0) / ENGINE CYLINDER BLOCK AND ITS RELATED PARTS / FLYWHEEL HOUSING / FLYWHEEL HOUSING (#502249-) (A2210-001001)
• ENGINES / SAA12V140E-3B S/N 500001-UP / ENGINE / FLYWHEEL HOUSING (WITH BARING AND REVOLUTION SENSOR) (A2210-A7C9)
• ENGINES / SAA12V140E-3B S/N 502254-UP (For HD785-7) / ENGINE CYLINDER BLOCK AND ITS RELATED PARTS / FLYWHEEL HOUSING / FLYWHEEL HOUSING (#502254-) (A2210-001001)
• ENGINES / SAA12V140E-3B S/N 502254-UP (For HD785-7) / ENGINE CYLINDER BLOCK AND ITS RELATED PARTS / FLYWHEEL HOUSING / FLYWHEEL HOUSING, WITH BARING AND REVOLUTION SENSOR AND PICK-UP SENSOR (#502254-) (A2210-002001)

This part appears in 148 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.