Komatsu Engine Injector Assembly 6251-11-3100

Komatsu Engine Injector Assembly 6251-11-3100 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6251-11-3100 is listed as Injector Assembly. Search also by the no-dash alternate number 6251113100.

Engine book references

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

• ENGINES / SAA6D125E-5 S/N 560001-UP / ENGINE / FUEL INJECTOR AND SPILL TUBE (A4210-A3K2)
• ENGINES / SAA6D125E-5-FR S/N 660001-UP (For PC400-8R/PC400LC-8R/PC450-8R/PC450LC-8R) / ENGINE FUEL SYSTEM / FUEL INJECTOR, WITH SPILL TUBE / FUEL INJECTOR (#660001-) (A4210-001001)
• ENGINES / SAA6D125E-5A S/N 560004-UP ( Standard Machine ) / ENGINE FUEL SYSTEM / FUEL INJECTION NOZZLE (X16-0382000-01)
• ENGINES / SAA6D125E-5A-02 S/N 560001-UP / ENGINE / FUEL INJECTOR AND SPILL TUBE (A4210-A3K2)
• ENGINES / SAA6D125E-5B S/N 560001-UP / ENGINE / FUEL INJECTOR AND SPILL TUBE (A4210-A3K2)
• ENGINES / SAA6D125E-5B S/N 567007-UP (For HM300-2) / ENGINE FUEL SYSTEM / FUEL INJECTOR / FUEL INJECTOR (#567007-) (A4210-001001)

This part appears in 21 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.