Komatsu Engine Washer Sealing 6731-74-5910

Komatsu Engine Washer Sealing 6731-74-5910 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6731-74-5910 is listed as Washer Sealing. Search also by the no-dash alternate number 6731745910.

Engine book references

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

• ENGINES / S6D102E-1 S/N .-UP / ENGINE / GASKET SETS (A9103-A2A1)
• ENGINES / SAA4D107E-1A S/N 21714587 - Up (For PW140-7/PW148-8/PW160-7E0/PW160-8) / AA ENGINE / FUEL PIPING (A411S-01D0)
• ENGINES / SAA4D107E-1A S/N 21714587 - Up (For PW140-7/PW148-8/PW160-7E0/PW160-8) / AA ENGINE / REPAIR PARTS (A8110-01A0)
• ENGINES / SAA4D107E-1A-W S/N 26503098-UP / ENGINE / FUEL PIPING (A411S-01D0)
• ENGINES / SAA4D107E-1A-WK S/N 21720884-UP / ENGINE / FUEL PIPING (A411S-01D0)
• ENGINES / SAA4D107E-1AA S/N 26513014-UP (For D39EX-22/D39PX-22) / ENGINE FUEL SYSTEM / FUEL PIPING / FUEL PIPING (#26513014-) (AFT00-001001)

This part appears in 141 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.