Komatsu Engine Seal Seal 6731-71-5850

Komatsu Engine Seal Seal 6731-71-5850 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6731-71-5850 is listed as Seal Seal. Search also by the no-dash alternate number 6731715850.

Engine book references

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

• ENGINES / S6D102E-1 S/N .-UP / ENGINE / FUEL PIPING (A4103-A2A9)
• ENGINES / S6D102E-1 S/N .-UP / ENGINE / GASKET SETS (A9103-A2A1)
• ENGINES / S6D102E-1AB S/N 21180000-UP / ENGINE / INJECTION PIPING(#21295204-) (A411S-01A1)
• ENGINES / S6D102E-1AC S/N 21180000-UP / ENGINE / INJECTION PIPING(#21295204-) (A411S-01A1)
• ENGINES / S6D102E-1EE S/N 30379242-UP / FUEL PLUMBING
• ENGINES / S6D114E-1-GD S/N 30456012-UP / ENGINE / INJECTION PIPING(#45992604-) (A411S-01A2)

This part appears in 34 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.