Komatsu Engine O-Ring 6743-51-9960

Komatsu Engine O-Ring 6743-51-9960 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6743-51-9960 is listed as O-Ring. Search also by the no-dash alternate number 6743519960.

Engine book references

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

• ENGINES / SAA6D114E-2A S/N 26800003-UP / ENGINE / OIL FILTER PIPING RELATED PARTS (A3119-01A0)
• ENGINES / SAA6D114E-2A-A S/N 26800003-UP / ENGINE / OIL FILTER PIPING RELATED PARTS (A3119-01A0)
• ENGINES / SAA6D114E-3 S/N 26866736-up / C0 [ENGINE LUBRICATION SYSTEM] / ENGINE OIL FILTER (|C00048)
• ENGINES / SAA6D114E-3A-WT S/N 26850001-UP / ENGINE / OIL FILTER PIPING RELATED PARTS (A3119-01A0)
• ENGINES / SAA6D114E-3D S/N 21744201-UP / AA ENGINE / OIL FILTER PIPING RELATED PARTS (A3119-01A0)
• ENGINES / SAA6D114E-3D S/N 26850001-UP / ENGINE / OIL FILTER PIPING RELATED PARTS (A3119-01A0)

This part appears in 10 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.