Komatsu Engine Oil Pump Ass'Y 6251-51-9100

Komatsu Engine Oil Pump Ass'Y 6251-51-9100 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6251-51-9100 is listed as Oil Pump Ass'Y. Search also by the no-dash alternate number 6251519100.

Engine book references

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

• ENGINES / SAA6D125E-5 S/N 560001-UP / ENGINE / EXHAUST GAS RECIRCULATION OIL PUMP (INNER PARTS) (A1550-D3A1)
• ENGINES / SAA6D125E-5A S/N 560004-UP ( Standard Machine ) / ENGINE CYLINDER HEAD AND ITS RELATED PARTS / EXHAUST GAS RECIRCULATION (EGR) VALVE (1/3) (X16-0386480-01)
• ENGINES / SAA6D125E-5A-02 S/N 560001-UP / ENGINE / EXHAUST GAS RECIRCULATION (1/3) (EGR VALVE AND COOLER MOUNTING)(#560004-) (A1550-A3A1)
• ENGINES / SAA6D125E-5A-02 S/N 560001-UP / ENGINE / EXHAUST GAS RECIRCULATION OIL PUMP (INNER PARTS)(#560004-) (A1550-D3A1)
• ENGINES / SAA6D125E-5B S/N 560001-UP / ENGINE / EXHAUST GAS RECIRCULATION OIL PUMP (INNER PARTS) (A1550-E3A2)
• ENGINES / SAA6D125E-5B S/N 567007-UP (For HM300-2) / ENGINE CYLINDER HEAD AND ITS RELATED PARTS / EXHAUST GAS RE-CIRCULATION (EGR) VALVE / EXHAUST GAS RE-CIRCULATION (EGR) VALVE, INNER PARTS, EGR OIL PUMP (#567007-) (A1550-002003)

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.