Komatsu Engine O-Ring 07002-21423

Komatsu Engine O-Ring 07002-21423 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 07002-21423 is listed as O-Ring. Search also by the no-dash alternate number 0700221423.

Engine book references

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

• ENGINES / S6D140-1G-F S/N 10001-UP / ENGINE / AIR COMPRESSOR GASKET KIT (AIR COMPRESSOR CLEANING SPEC.)(#26732-) (A8129-H4A6)
• ENGINES / S6D140-1G-F S/N 10001-UP / ENGINE / AIR COMPRESSOR RELIEF VALVE (AIR COMPRESSOR CLEANING SPEC.)(#26732-) (A7010-C4C7)
• ENGINES / S6D140E-2B-6 S/N 22537-UP / ENGINE / AIR COMPRESSOR RELIEF VALVE (2/2) (FOR DIAVIK)(#30115-) (A7010-B4D5)
• ENGINES / S6D140E-2B-6 S/N 22537-UP / ENGINE / AIR COMPRESSOR RELIEF VALVE (2/2)(#23535-) (A7010-B4C5)
• ENGINES / S6D140E-2B-6 S/N 22537-UP / ENGINE / AIR COMPRESSOR RELIF VALVE (2/2)(#23535-) (A7010-B4C5)
• ENGINES / S6D140E-2C-6 S/N 22537-UP / ENGINE / AIR COMPRESSOR RELIF VALVE (2/2)(#25136-) (A7010-B4C6)

This part appears in 207 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.