Komatsu Engine Fuel Pump Ass'Y 6251-71-1120

Komatsu Engine Fuel Pump Ass'Y 6251-71-1120 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6251-71-1120 is listed as Fuel Pump Ass'Y. Search also by the no-dash alternate number 6251711120.

Engine book references

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

• ENGINES / SAA6D125E-5 S/N 560001-UP / ENGINE / FUEL SUPPLY PUMP AND COMMON RAIL (A4010-A3Y7)
• ENGINES / SAA6D125E-5-FR S/N 660001-UP (For PC400-8R/PC400LC-8R/PC450-8R/PC450LC-8R) / ENGINE FUEL SYSTEM / FUEL SUPPLY PUMP / FUEL SUPPLY PUMP, INNER PARTS, PUMP (#660001-660138) (A4010-001001)
• ENGINES / SAA6D125E-5-FR S/N 660001-UP (For PC400-8R/PC400LC-8R/PC450-8R/PC450LC-8R) / ENGINE FUEL SYSTEM / FUEL SUPPLY PUMP / FUEL SUPPLY PUMP, INNER PARTS, PUMP (#660139-660139) (A4010-002001)
• ENGINES / SAA6D125E-5A S/N 560004-UP ( Standard Machine ) / ENGINE FUEL SYSTEM / FUEL INJECTION PUMP (1/2) (X16-0385460-01)
• ENGINES / SAA6D125E-5A-02 S/N 560001-UP / ENGINE / FUEL SUPPLY PUMP (1/2) (INNER PARTS) (A4010-D3Y7)
• ENGINES / SAA6D125E-5A-02 S/N 560001-UP / ENGINE / FUEL SUPPLY PUMP (2/2) (FEED PUMP) (INNER PARTS) (A4010-E3Y7)

This part appears in 49 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.