Komatsu Engine O-Ring 6553-41-8120

Komatsu Engine O-Ring 6553-41-8120 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6553-41-8120 is listed as O-Ring. Search also by the no-dash alternate number 6553418120.

Engine book references

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

• ENGINES / SA12V140-1C S/N 10034-UP (ELECTRICAL GOVERNOR) / FUEL SYSTEM / FUEL INJECTION PUMP (PUMP L.H.) (2/2) (ELECTRICAL GOVERNOR SPEC.) (INNER PARTS) (0452)
• ENGINES / SA12V140-1C S/N 10034-UP (ELECTRICAL GOVERNOR) / FUEL SYSTEM / FUEL INJECTION PUMP (PUMP R.H.) (2/2) (ELECTRICAL GOVERNOR SPEC.) (INNER PARTS) (0454)
• ENGINES / SA12V140-1C S/N 10034-UP (ELECTRICAL GOVERNOR) / TOOL AND KIT / GASKET KIT (0993)
• ENGINES / SA12V140-1C S/N 10034-UP (ELECTRICAL GOVERNOR) / TOOL AND KIT / GASKET KIT (ELECTRICAL GOVERNOR SPEC.)(#10034-10908) (0991)
• ENGINES / SA12V140-1C-A S/N 10001-UP / ENGINE / FUEL INJECTION PUMP (PUMP) (L.H.) (2/2) (FOR ELECTRICAL GOVERNOR) (INNER PARTS)(#10034-) (A4010-C7A8)
• ENGINES / SA12V140-1C-A S/N 10001-UP / ENGINE / FUEL INJECTION PUMP (PUMP) (L.H.) (2/2) (FOR ELECTRICAL GOVERNOR) (RELIABILITY UP) (INNER PARTS)(#10932-11092) (A4010-C7B7)

This part appears in 61 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.