In StockOil Pump 6251-51-1000 6251-51-1001 For Komatsu Excavator PC400-7 PC450-6 Engine 6D125-3
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Oil Pump 6251-51-1000 for Komatsu

OEM / REF: 6251-51-1000SKU: pilotpart244159

Oil Pump 6251-51-1000 6251-51-1001 For Komatsu Excavator PC400-7 PC450-6 Engine 6D125-3 is a Oil Pump replacement part indexed for Part Number and Komatsu Excavator PC400-7 PC450-6 Engine 6D125-3 Oil Pump 6251-51-1000 6251-51-1001, with 3 application records on file. Match OEM part number 6251-51-1000 and confirm fi...

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In stock
Condition
New
Fitment
Komatsu Engine Spare Parts
Category
Oil Pump
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Oil Pump Description

This Oil Pump is indexed for Part Number; Komatsu Excavator PC400-7 PC450-6 Engine 6D125-3 Oil Pump 6251-51-1000 6251-51-1001; Model: Komatsu Excavator PC400-7 PC450-6 See Details: WA480-6 S/N H60051 - H60462 SAA6D125E-5F S/N 562304-UP (For PC400-8/PC400LC-8/PC450-8/PC450LC-8/PC550LC-8) PC450-8 S/N 70001-UP, PC450LC-8 S/N 70001-UP, PC400LC-8 S/N 70001-UP, PC400-8 S/N 70001-UP, PC550LC-8 S/N 70458-UP 6D125-1AM-EA S/N 10001-UP D65E-12 S/N 60001-60941 SA6D125E-3D-MS S/N 310001-UP D85MS-15 S/N 1001-1005 SA6D125E-3C-7L S/N 310001-UP D65EX-15 S/N 67001-UP (Landfill Spec.) SA6D125E-3C-7T S/N 310001-UP D65EX-15 S/N 67001-UP (Trimming Dozer SA6D125E-3B-7 S/N 310001-UP D85EX-15 S/N 10001-UP, D85EX-15 S/N 10001-UP (Landfill Spec.), D85PX-15 S/N 1001-UP SA6D125E-3C-7A S/N 310001-UP D65WX-15 S/N 67001-UP, D65PX-15 S/N 67001-UP (Overseas Version), D65EX-15 S/N 67001-UP (Overseas Version) SA6D125E-3A-7W S/N 310001-UP D65EX-12U S/N 60942-UP (For EU), D65PX-12U S/N 60884-UP (For EU) SAA6D125E-3B-8W S/N 310314-UP WA480-5 S/N 80001-UP (Overseas Version) SAA6D125E-5E-01 S/N 560001-UP WA480-6 S/N 85001-90215 (ecot3), WA480-6 S/N 85001-90215 (ecot3, For North America) SAA6D125E-5D-01 S/N 560001-UP WA470-6 S/N 85001-90215 (ecot3), WA450-6 S/N 66001-UP (ecot3, For North America) SAA6D125E-5B-02 S/N 560001-UP HM300-2 S/N 2001-2784 (ecot3), HM300-2 S/N 2001-2784 (ecot3 SAA6D125E-5A-02 S/N 560001-UP PC450-7E0 S/N 30001-UP (ecot3), PC400LC-7E0 S/N 60001-UP (ecot3, For EU), PC450LC-7E0 S/N 30001-UP (ecot3, For EU), PC400LC-7E0 S/N 60001-UP (ecot3) SAA6D125E-5C-02 S/N 560001-UP D85EX-15E0 S/N 11001-11608 (ecot3, For EU), D85PX-15E0 S/N 1201-11608 (ecot3), D85EX-15E0 S/N 11001-11608 (ecot3) SAA6D125E-3A-8W S/N 310314-UP WA470-5 S/N 70001-UP (Overseas Version) SAA6D125E-3G-8W S/N 310314-UP HM300-1 S/N 1001-UP SAA6D125E-3H-8M S/N 310314-UP WA430-5 S/N 60001-UP (Overseas Version) SAA6D125E-5G-02 S/N 560001-UP BR580JG-1 S/N 1001-UP SAA6D125E-5F-02 S/N 560001-UP PC400LC-8 S/N 70001-70003, PC450-8 S/N 70001-70003, PC450LC-8 S/N 70001-70003, PC400-8 S/N 70001-70003 SAA6D125E-3L-8A S/N 310314-UP HD255-5 S/N 1001-UP (Applies to S/N 1601-UP (SAA6D125E-3).) SAA6D125E-3K-8W S/N 310314-UP PC400LC-7 S/N 50001-UP (Offset Spec.Extreme Cold Terrain Spec.), PC400-7 S/N 50001-UP (Extreme Cold Terrain Spec.), PC400LC-7 S/N 50001-UP (Extreme Cold Terrain Spec.) SAA6D125E-3K-8M S/N 310314-UP PC400-7 S/N 50001-UP (Overseas Version), PC450-7 S/N 20001-UP (Overseas Version), PC450LC-7 S/N 20001-UP (Overseas Version), PC400LC-7 S/N 50001-UP (Overseas Version) S6D125-1AG-FT S/N 10001-UP D65EX-12H S/N 60001-60941 (For China / Trimming Dozer) S6D125-1AG-FA S/N 10001-UP D65PX-12 S/N 60001-60883, D65EX-12 S/N 60001-60941, D65P-12 S/N 60001-60883 S6D125-1AL-FW S/N 10001-UP D85E-SS-2A S/N 3001-3033 (Overseas Version), D85ESS-2A S/N 3001-3033 (Overseas Version) S6D125-1AK-FW S/N 10001-UP D85E-SS-2 S/N 3001-3033 (For Southeast Asia), D85ESS-2 S/N 3001-3033 (For Southeast Asia) S6D125-1AM-FW S/N 10001-UP WA450-3 S/N 53001-UP (For Malaysia), WA470-3 S/N 53001-UP (Overseas Version), WA450-3 S/N 50305-UP (For Malaysia), WA470-3 S/N 50001-52999 (Overseas Version) SAA6D125E-5A S/N 560004-UP ( Standard Machine ) PC450-7K-E0 S/N K45001-UP, PC450LC-7K-E0 S/N K45001-UP SAA6D125E-5F S/N 560001-UP PC450LCHD-8 S/N K50001-UP, PC450-8 S/N K50001-UP, PC450LC-8 S/N K50001-UP WA470-6 S/N H50051 - H50879 / H52001 - Up SAA6D125E-5C S/N 560016-UP WA480-6 S/N A47001-UP SAA6D125E-5B S/N 560001-UP SAA6D125E-5F S/N 560001-UP SAA6D125E-5 S/N 560001-UP WA480-6 S/N A38001-UP SAA6D125E-5 S/N 560001-UP WA450-6-W1 S/N A44001-UP SAA6D125E-5D S/N 560001-UP SAA6D125E-5E S/N 560001-UP S6D125E-2D-6 S/N 60721-UP D85A-21B S/N 36537-UP (Custom S6D125E-2 (Emission) Eng. Installed) WA480-6 S/N H60051 - H60462 SAA6D125E-5F S/N 562304-UP (For PC400-8/PC400LC-8/PC450-8/PC450LC-8/PC550LC-8) PC550LC-8 S/N 70458-UP, PC450-8 S/N 70001-UP, PC450LC-8 S/N 70001-UP, PC400LC-8 S/N 70001-UP, PC400-8 S/N 70001-UP SAA6D125E-5-FR S/N 660001-UP (For PC400-8R/PC400LC-8R/PC450-8R/PC450LC-8R) PC450-8R S/N 75001-UP, PC450LC-8R S/N 75001-UP, PC400LC-8R S/N 75001-UP, PC400-8R S/N 75001-UP SAA6D125E-5J S/N 566329-UP (For HM250-2) HM250-2 S/N 2001-UP SA6D125E-3D S/N 324065-UP (For D85MS-15) D85MS-15 S/N 1006-UP SAA6D125E-5C S/N 567144-UP (For D85EX-15E0/D85PX-15E0) D85EX-15E0 S/N 11609-UP (ecot3), D85PX-15E0 S/N 11609-UP (ecot3, For EU), D85PX-15E0 S/N 11609-UP (ecot3) SAA6D125E-5CR S/N 660089-UP (For D85EX-15R/D85PX-15R) D85PX-15R S/N 20003-UP, D85EX-15R S/N 20003-UP SAA6D125E-5E S/N 567422-UP (For WA480-6/WA480-6A) WA480-6 S/N 90216-UP (For North America), WA480-6 S/N 90216-UP (For EU), WA480-6 S/N 90216-UP SAA6D125E-5D S/N 567555-UP (For WA470-6/WA470-6A) WA470-6 S/N 90216-UP, WA470-6A S/N 90216-UP (For North America), WA470-6 S/N 90216-UP (For EU) SAA6D125E-5G S/N 567239-UP (For BR580JG-1) BR580JG-1 S/N 1034-UP SAA6D125E-5B S/N 567007-UP (For HM300-2) HM300-2 S/N 2785-UP SAA6D125E-5BA S/N 660001-UP (For HM300-2R) HM300-2R S/N 7001-UP SAA6D125E-6A S/N 760002-UP (For PC400-10/PC490LC-10) PC490LC-10 S/N 80001-UP SAA6D125E-6B S/N 760004-UP (For HM300-3) HM300-3 S/N 3001-UP SAA6D125E-6C S/N 760611-UP (For WA470-7) WA470-7 S/N 10001-UP SAA6D125E-5HR S/N 660776-UP (For GD755-5R) GD755-5R S/N 10001-UP S6D125E-2F-56 S/N 60721-UP D85C-21 S/N 36551-UP (For C.I.S. -50cent. Spec.) S6D125E-2F-6 S/N 60721-UP D85C-21-A S/N 36551-UP SA6D125E-2GD-W S/N 60721-UP EG300BS-5 S/N 5001-UP SA6D125E-2G-7 S/N 60721-UP HD255-5 S/N 1001-UP SA6D125E-2L-7 S/N 60721-UP WF450T-3 S/N 53001-UP, WF450T-3 S/N 53001-UP (For Komatsu Hanomag (Germany)) SA6D125E-2C-L7 S/N 60721-UP WA450L-3 S/N 53001-UP (For North America) SA6D125E-2A-C7 S/N 60721-UP PC400-6Z S/N 30001-UP (Excel Spec.), PC400LC-6Z S/N 30001-UP (Offset Spec.), PC400LC-6Z S/N 30001-UP (Excel Spec.), PC400LC-6Z S/N 30001-UP (Pipe Looper Spec.) SA6D125E-2C-S7 S/N 60721-UP WF450-3 S/N 54001-UP (For Komatsu Hanomag (Germany)), WF450-3 S/N 54001-UP SA6D125E-3B-7 S/N 310001-UP D85PX-15 S/N 1001-UP, D85EX-15 S/N 10001-UP, D85EX-15 S/N 10001-UP (Landfill Spec.) SA6D125E-3C-7A S/N 310001-UP D65PX-15 S/N 67001-UP (Overseas Version), D65EX-15 S/N 67001-UP (Overseas Version), D65WX-15 S/N 67001-UP SA6D125E-2A-7 S/N 60721-UP PC400LC-6 S/N 30001-UP, PC450-6 S/N 10001-UP (Overseas Version), BR500JG-1 S/N 1002-UP, PC450LC-6 S/N 10001-UP (Overseas Version), PC400-6 S/N 30001-UP SA6D125E-2CT-T7 S/N 60721-UP WA450-3 S/N 53001-UP (For Taiwan / Tunnel Spec.) SA6D125E-2A-57 S/N 60721-UP PC400LC-6Z S/N 30001-UP (-50cent. Spec.), PC400-6C S/N 30001-UP (-50cent. Spec.) SA6D125E-3A-7W S/N 310001-UP D65PX-12U S/N 60884-UP (For EU), D65EX-12U S/N 60942-UP (For EU) SAA6D125E-5E-01 S/N 560001-UP WA480-6 S/N 85001-90215 (ecot3, For EU), WA480-6 S/N 85001-90215 (ecot3) SAA6D125E-5D-01 S/N 560001-UP WA450-6 S/N 66001-UP (ecot3, For North America), WA470-6 S/N 85001-90215 (ecot3 SAA6D125E-5A-02 S/N 560001-UP PC450LC-7E0 S/N 30001-UP (ecot3), PC400-7E0 S/N 60001-UP (ecot3), PC450-7E0 S/N 30001-UP (ecot3), PC400LC-7E0 S/N 60001-UP (ecot3, For EU), PC450LC-7E0 S/N 30001-UP (ecot3 SAA6D125E-5C-02 S/N 560001-UP D85EX-15E0 S/N 11001-11608 (ecot3), D85PX-15E0 S/N 1201-11608 (ecot3, For EU), D85EX-15E0 S/N 11001-11608 (ecot3 SAA6D125E-2D-8 S/N 60721-UP PC450-6 S/N 10001-UP (SAA6D125E-2 (Emission) Eng. Installed), PC450LC-6 S/N 10001-UP (SAA6D125E-2 (Emission) Eng. Installed), PC400LC-6 S/N 30001-UP (SAA6D125E-2 (Emission) Eng. Installed), PC400-6 S/N 30001-UP (SAA6D125E-2 (Emission) Eng. Installed) SAA6D125E-2B-8 S/N 60721-UP BR480RG-1 S/N 1001-UP (Overseas Version), BR550JG-1 S/N 1001-UP SAA6D125E-5BR-W S/N 660001-UP SAA6D125E-5CR-W S/N 660001-UP D85EX-15R S/N 20001-20002, D85PX-15R S/N 20001-20002 SAA6D125E-5F-02 S/N 560001-UP PC450-8 S/N 70001-70003, PC450LC-8 S/N 70001-70003, PC400-8 S/N 70001-70003, PC400LC-8 S/N 70001-70003 S6D125-1AG-FA S/N 10001-UP D65P-12 S/N 60001-60883, D65PX-12 S/N 60001-60883, D65EX-12 S/N 60001-60941 S6D125-1AL-FW S/N 10001-UP D85ESS-2A S/N 3001-3033 (Overseas Version), D85E-SS-2A S/N 3001-3033 (Overseas Version) S6D125-1AK-FW S/N 10001-UP D85ESS-2 S/N 3001-3033 (For Southeast Asia), D85E-SS-2 S/N 3001-3033 (For Southeast Asia) S6D125-1AM-FW S/N 10001-UP WA450-3 S/N 50305-UP (For Malaysia), WA470-3 S/N 50001-52999 (Overseas Version), WA450-3 S/N 53001-UP (For Malaysia), WA470-3 S/N 53001-UP (Overseas Version) S6D125E-2E-6 S/N 60721-UP D85P-21 S/N 3689-UP (S6D125E-2 (Emission) Eng. Installed), D85E-21 S/N 36534-UP (S6D125E-2 (Emission) Eng. Installed) S6D125E-2C-6 S/N 60721-UP D85A-21 S/N 36534-UP (S6D125E-2 (Emission) Eng. Installed) S6D125E-2J-6 S/N 60721-UP D75S-5 S/N 15001-UP S6D125E-2G-6 S/N 60721-UP D85E-SS-2-E S/N 3034-UP (For Southeast Asia / S6D125E-3 (Emission) Eng. Installed), D85ESS-2 S/N 3034-UP (For Southeast Asia / S6D125E-2 (Emission) Eng. Installed) S6D125E-2H-6 S/N 60721-UP D85E-SS-2A-E S/N 3034-UP (Overseas Version / S6D125E-2 (Emission) Eng. Installed), D85ESS-2A S/N 3034-UP (S6D125E-2 (Emission) Eng. Installed) S6D125E-2A-6 S/N 60721-UP D65EX-12U S/N 60942-UP (For EU), D65PX-12U S/N 60884-UP (For EU), D65P-12 S/N 60884-UP (S6D125E-2 (Emission) Eng. Installed), D65EX-12 S/N 60942-UP (S6D125E-2 (Emission) Eng. Installed), D65PX-12 S/N 60884-UP (S6D125E-2 (Emission) Eng. Installed) S6D125E-2L-6 S/N 60721-UP LW250-5H S/N 53001-UP (H Type), LW250-5X S/N 50001-UP (X Type) SAA6D125E-6A S/N 760002-UP (For PC490-10/PC490LC-10) PC490-10 S/N 80001-UP, PC490LC-10 S/N 80001-UP SAA6D125E-5F S/N 560001-UP PC450-8 S/N K50001-UP, PC450LC-8 S/N K50001-UP, PC450LCHD-8 S/N K50001-UP WA480-6 LC S/N H60470 - Up WA470-6 LC S/N H50880 - H51999 SAA6D125E-6A S/N 760238-UP (For PC490-10/PC490LC-10) PC490-10 S/N K60001-UP, PC490LC-10 S/N K60001-UP HM300-2 s/n A11001 and up PC450LC-8 S/N A10001-UP PC490LC-10 S/N A40001-UP WA470-6 S/N A46001-UP WA470-7 S/N A47001-UP WA470-6 S/N A45001-UP WA480-6 S/N A48001-UP PC400LC-8 S/N A88001-UP. Compare reference number 6251-51-1000 against the label on your existing Komatsu component before ordering.

Additional cross references on file: 6251-51-1001, PC400-7, PC450-6. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Part Number
  • Komatsu Excavator PC400-7 PC450-6 Engine 6D125-3 Oil Pump 6251-51-1000 6251-51-1001
  • Model: Komatsu Excavator PC400-7 PC450-6 See Details: WA480-6 S/N H60051 - H60462 SAA6D125E-5F S/N 562304-UP (For PC400-8/PC400LC-8/PC450-8/PC450LC-8/PC550LC-8) PC450-8 S/N 70001-UP, PC450LC-8 S/N 70001-UP, PC400LC-8 S/N 70001-UP, PC400-8 S/N 70001-UP, PC550LC-8 S/N 70458-UP 6D125-1AM-EA S/N 10001-UP D65E-12 S/N 60001-60941 SA6D125E-3D-MS S/N 310001-UP D85MS-15 S/N 1001-1005 SA6D125E-3C-7L S/N 310001-UP D65EX-15 S/N 67001-UP (Landfill Spec.) SA6D125E-3C-7T S/N 310001-UP D65EX-15 S/N 67001-UP (Trimming Dozer SA6D125E-3B-7 S/N 310001-UP D85EX-15 S/N 10001-UP, D85EX-15 S/N 10001-UP (Landfill Spec.), D85PX-15 S/N 1001-UP SA6D125E-3C-7A S/N 310001-UP D65WX-15 S/N 67001-UP, D65PX-15 S/N 67001-UP (Overseas Version), D65EX-15 S/N 67001-UP (Overseas Version) SA6D125E-3A-7W S/N 310001-UP D65EX-12U S/N 60942-UP (For EU), D65PX-12U S/N 60884-UP (For EU) SAA6D125E-3B-8W S/N 310314-UP WA480-5 S/N 80001-UP (Overseas Version) SAA6D125E-5E-01 S/N 560001-UP WA480-6 S/N 85001-90215 (ecot3), WA480-6 S/N 85001-90215 (ecot3, For North America) SAA6D125E-5D-01 S/N 560001-UP WA470-6 S/N 85001-90215 (ecot3), WA450-6 S/N 66001-UP (ecot3, For North America) SAA6D125E-5B-02 S/N 560001-UP HM300-2 S/N 2001-2784 (ecot3), HM300-2 S/N 2001-2784 (ecot3 SAA6D125E-5A-02 S/N 560001-UP PC450-7E0 S/N 30001-UP (ecot3), PC400LC-7E0 S/N 60001-UP (ecot3, For EU), PC450LC-7E0 S/N 30001-UP (ecot3, For EU), PC400LC-7E0 S/N 60001-UP (ecot3) SAA6D125E-5C-02 S/N 560001-UP D85EX-15E0 S/N 11001-11608 (ecot3, For EU), D85PX-15E0 S/N 1201-11608 (ecot3), D85EX-15E0 S/N 11001-11608 (ecot3) SAA6D125E-3A-8W S/N 310314-UP WA470-5 S/N 70001-UP (Overseas Version) SAA6D125E-3G-8W S/N 310314-UP HM300-1 S/N 1001-UP SAA6D125E-3H-8M S/N 310314-UP WA430-5 S/N 60001-UP (Overseas Version) SAA6D125E-5G-02 S/N 560001-UP BR580JG-1 S/N 1001-UP SAA6D125E-5F-02 S/N 560001-UP PC400LC-8 S/N 70001-70003, PC450-8 S/N 70001-70003, PC450LC-8 S/N 70001-70003, PC400-8 S/N 70001-70003 SAA6D125E-3L-8A S/N 310314-UP HD255-5 S/N 1001-UP (Applies to S/N 1601-UP (SAA6D125E-3).) SAA6D125E-3K-8W S/N 310314-UP PC400LC-7 S/N 50001-UP (Offset Spec.Extreme Cold Terrain Spec.), PC400-7 S/N 50001-UP (Extreme Cold Terrain Spec.), PC400LC-7 S/N 50001-UP (Extreme Cold Terrain Spec.) SAA6D125E-3K-8M S/N 310314-UP PC400-7 S/N 50001-UP (Overseas Version), PC450-7 S/N 20001-UP (Overseas Version), PC450LC-7 S/N 20001-UP (Overseas Version), PC400LC-7 S/N 50001-UP (Overseas Version) S6D125-1AG-FT S/N 10001-UP D65EX-12H S/N 60001-60941 (For China / Trimming Dozer) S6D125-1AG-FA S/N 10001-UP D65PX-12 S/N 60001-60883, D65EX-12 S/N 60001-60941, D65P-12 S/N 60001-60883 S6D125-1AL-FW S/N 10001-UP D85E-SS-2A S/N 3001-3033 (Overseas Version), D85ESS-2A S/N 3001-3033 (Overseas Version) S6D125-1AK-FW S/N 10001-UP D85E-SS-2 S/N 3001-3033 (For Southeast Asia), D85ESS-2 S/N 3001-3033 (For Southeast Asia) S6D125-1AM-FW S/N 10001-UP WA450-3 S/N 53001-UP (For Malaysia), WA470-3 S/N 53001-UP (Overseas Version), WA450-3 S/N 50305-UP (For Malaysia), WA470-3 S/N 50001-52999 (Overseas Version) SAA6D125E-5A S/N 560004-UP ( Standard Machine ) PC450-7K-E0 S/N K45001-UP, PC450LC-7K-E0 S/N K45001-UP SAA6D125E-5F S/N 560001-UP PC450LCHD-8 S/N K50001-UP, PC450-8 S/N K50001-UP, PC450LC-8 S/N K50001-UP WA470-6 S/N H50051 - H50879 / H52001 - Up SAA6D125E-5C S/N 560016-UP WA480-6 S/N A47001-UP SAA6D125E-5B S/N 560001-UP SAA6D125E-5F S/N 560001-UP SAA6D125E-5 S/N 560001-UP WA480-6 S/N A38001-UP SAA6D125E-5 S/N 560001-UP WA450-6-W1 S/N A44001-UP SAA6D125E-5D S/N 560001-UP SAA6D125E-5E S/N 560001-UP S6D125E-2D-6 S/N 60721-UP D85A-21B S/N 36537-UP (Custom S6D125E-2 (Emission) Eng. Installed) WA480-6 S/N H60051 - H60462 SAA6D125E-5F S/N 562304-UP (For PC400-8/PC400LC-8/PC450-8/PC450LC-8/PC550LC-8) PC550LC-8 S/N 70458-UP, PC450-8 S/N 70001-UP, PC450LC-8 S/N 70001-UP, PC400LC-8 S/N 70001-UP, PC400-8 S/N 70001-UP SAA6D125E-5-FR S/N 660001-UP (For PC400-8R/PC400LC-8R/PC450-8R/PC450LC-8R) PC450-8R S/N 75001-UP, PC450LC-8R S/N 75001-UP, PC400LC-8R S/N 75001-UP, PC400-8R S/N 75001-UP SAA6D125E-5J S/N 566329-UP (For HM250-2) HM250-2 S/N 2001-UP SA6D125E-3D S/N 324065-UP (For D85MS-15) D85MS-15 S/N 1006-UP SAA6D125E-5C S/N 567144-UP (For D85EX-15E0/D85PX-15E0) D85EX-15E0 S/N 11609-UP (ecot3), D85PX-15E0 S/N 11609-UP (ecot3, For EU), D85PX-15E0 S/N 11609-UP (ecot3) SAA6D125E-5CR S/N 660089-UP (For D85EX-15R/D85PX-15R) D85PX-15R S/N 20003-UP, D85EX-15R S/N 20003-UP SAA6D125E-5E S/N 567422-UP (For WA480-6/WA480-6A) WA480-6 S/N 90216-UP (For North America), WA480-6 S/N 90216-UP (For EU), WA480-6 S/N 90216-UP SAA6D125E-5D S/N 567555-UP (For WA470-6/WA470-6A) WA470-6 S/N 90216-UP, WA470-6A S/N 90216-UP (For North America), WA470-6 S/N 90216-UP (For EU) SAA6D125E-5G S/N 567239-UP (For BR580JG-1) BR580JG-1 S/N 1034-UP SAA6D125E-5B S/N 567007-UP (For HM300-2) HM300-2 S/N 2785-UP SAA6D125E-5BA S/N 660001-UP (For HM300-2R) HM300-2R S/N 7001-UP SAA6D125E-6A S/N 760002-UP (For PC400-10/PC490LC-10) PC490LC-10 S/N 80001-UP SAA6D125E-6B S/N 760004-UP (For HM300-3) HM300-3 S/N 3001-UP SAA6D125E-6C S/N 760611-UP (For WA470-7) WA470-7 S/N 10001-UP SAA6D125E-5HR S/N 660776-UP (For GD755-5R) GD755-5R S/N 10001-UP S6D125E-2F-56 S/N 60721-UP D85C-21 S/N 36551-UP (For C.I.S. -50cent. Spec.) S6D125E-2F-6 S/N 60721-UP D85C-21-A S/N 36551-UP SA6D125E-2GD-W S/N 60721-UP EG300BS-5 S/N 5001-UP SA6D125E-2G-7 S/N 60721-UP HD255-5 S/N 1001-UP SA6D125E-2L-7 S/N 60721-UP WF450T-3 S/N 53001-UP, WF450T-3 S/N 53001-UP (For Komatsu Hanomag (Germany)) SA6D125E-2C-L7 S/N 60721-UP WA450L-3 S/N 53001-UP (For North America) SA6D125E-2A-C7 S/N 60721-UP PC400-6Z S/N 30001-UP (Excel Spec.), PC400LC-6Z S/N 30001-UP (Offset Spec.), PC400LC-6Z S/N 30001-UP (Excel Spec.), PC400LC-6Z S/N 30001-UP (Pipe Looper Spec.) SA6D125E-2C-S7 S/N 60721-UP WF450-3 S/N 54001-UP (For Komatsu Hanomag (Germany)), WF450-3 S/N 54001-UP SA6D125E-3B-7 S/N 310001-UP D85PX-15 S/N 1001-UP, D85EX-15 S/N 10001-UP, D85EX-15 S/N 10001-UP (Landfill Spec.) SA6D125E-3C-7A S/N 310001-UP D65PX-15 S/N 67001-UP (Overseas Version), D65EX-15 S/N 67001-UP (Overseas Version), D65WX-15 S/N 67001-UP SA6D125E-2A-7 S/N 60721-UP PC400LC-6 S/N 30001-UP, PC450-6 S/N 10001-UP (Overseas Version), BR500JG-1 S/N 1002-UP, PC450LC-6 S/N 10001-UP (Overseas Version), PC400-6 S/N 30001-UP SA6D125E-2CT-T7 S/N 60721-UP WA450-3 S/N 53001-UP (For Taiwan / Tunnel Spec.) SA6D125E-2A-57 S/N 60721-UP PC400LC-6Z S/N 30001-UP (-50cent. Spec.), PC400-6C S/N 30001-UP (-50cent. Spec.) SA6D125E-3A-7W S/N 310001-UP D65PX-12U S/N 60884-UP (For EU), D65EX-12U S/N 60942-UP (For EU) SAA6D125E-5E-01 S/N 560001-UP WA480-6 S/N 85001-90215 (ecot3, For EU), WA480-6 S/N 85001-90215 (ecot3) SAA6D125E-5D-01 S/N 560001-UP WA450-6 S/N 66001-UP (ecot3, For North America), WA470-6 S/N 85001-90215 (ecot3 SAA6D125E-5A-02 S/N 560001-UP PC450LC-7E0 S/N 30001-UP (ecot3), PC400-7E0 S/N 60001-UP (ecot3), PC450-7E0 S/N 30001-UP (ecot3), PC400LC-7E0 S/N 60001-UP (ecot3, For EU), PC450LC-7E0 S/N 30001-UP (ecot3 SAA6D125E-5C-02 S/N 560001-UP D85EX-15E0 S/N 11001-11608 (ecot3), D85PX-15E0 S/N 1201-11608 (ecot3, For EU), D85EX-15E0 S/N 11001-11608 (ecot3 SAA6D125E-2D-8 S/N 60721-UP PC450-6 S/N 10001-UP (SAA6D125E-2 (Emission) Eng. Installed), PC450LC-6 S/N 10001-UP (SAA6D125E-2 (Emission) Eng. Installed), PC400LC-6 S/N 30001-UP (SAA6D125E-2 (Emission) Eng. Installed), PC400-6 S/N 30001-UP (SAA6D125E-2 (Emission) Eng. Installed) SAA6D125E-2B-8 S/N 60721-UP BR480RG-1 S/N 1001-UP (Overseas Version), BR550JG-1 S/N 1001-UP SAA6D125E-5BR-W S/N 660001-UP SAA6D125E-5CR-W S/N 660001-UP D85EX-15R S/N 20001-20002, D85PX-15R S/N 20001-20002 SAA6D125E-5F-02 S/N 560001-UP PC450-8 S/N 70001-70003, PC450LC-8 S/N 70001-70003, PC400-8 S/N 70001-70003, PC400LC-8 S/N 70001-70003 S6D125-1AG-FA S/N 10001-UP D65P-12 S/N 60001-60883, D65PX-12 S/N 60001-60883, D65EX-12 S/N 60001-60941 S6D125-1AL-FW S/N 10001-UP D85ESS-2A S/N 3001-3033 (Overseas Version), D85E-SS-2A S/N 3001-3033 (Overseas Version) S6D125-1AK-FW S/N 10001-UP D85ESS-2 S/N 3001-3033 (For Southeast Asia), D85E-SS-2 S/N 3001-3033 (For Southeast Asia) S6D125-1AM-FW S/N 10001-UP WA450-3 S/N 50305-UP (For Malaysia), WA470-3 S/N 50001-52999 (Overseas Version), WA450-3 S/N 53001-UP (For Malaysia), WA470-3 S/N 53001-UP (Overseas Version) S6D125E-2E-6 S/N 60721-UP D85P-21 S/N 3689-UP (S6D125E-2 (Emission) Eng. Installed), D85E-21 S/N 36534-UP (S6D125E-2 (Emission) Eng. Installed) S6D125E-2C-6 S/N 60721-UP D85A-21 S/N 36534-UP (S6D125E-2 (Emission) Eng. Installed) S6D125E-2J-6 S/N 60721-UP D75S-5 S/N 15001-UP S6D125E-2G-6 S/N 60721-UP D85E-SS-2-E S/N 3034-UP (For Southeast Asia / S6D125E-3 (Emission) Eng. Installed), D85ESS-2 S/N 3034-UP (For Southeast Asia / S6D125E-2 (Emission) Eng. Installed) S6D125E-2H-6 S/N 60721-UP D85E-SS-2A-E S/N 3034-UP (Overseas Version / S6D125E-2 (Emission) Eng. Installed), D85ESS-2A S/N 3034-UP (S6D125E-2 (Emission) Eng. Installed) S6D125E-2A-6 S/N 60721-UP D65EX-12U S/N 60942-UP (For EU), D65PX-12U S/N 60884-UP (For EU), D65P-12 S/N 60884-UP (S6D125E-2 (Emission) Eng. Installed), D65EX-12 S/N 60942-UP (S6D125E-2 (Emission) Eng. Installed), D65PX-12 S/N 60884-UP (S6D125E-2 (Emission) Eng. Installed) S6D125E-2L-6 S/N 60721-UP LW250-5H S/N 53001-UP (H Type), LW250-5X S/N 50001-UP (X Type) SAA6D125E-6A S/N 760002-UP (For PC490-10/PC490LC-10) PC490-10 S/N 80001-UP, PC490LC-10 S/N 80001-UP SAA6D125E-5F S/N 560001-UP PC450-8 S/N K50001-UP, PC450LC-8 S/N K50001-UP, PC450LCHD-8 S/N K50001-UP WA480-6 LC S/N H60470 - Up WA470-6 LC S/N H50880 - H51999 SAA6D125E-6A S/N 760238-UP (For PC490-10/PC490LC-10) PC490-10 S/N K60001-UP, PC490LC-10 S/N K60001-UP HM300-2 s/n A11001 and up PC450LC-8 S/N A10001-UP PC490LC-10 S/N A40001-UP WA470-6 S/N A46001-UP WA470-7 S/N A47001-UP WA470-6 S/N A45001-UP WA480-6 S/N A48001-UP PC400LC-8 S/N A88001-UP

Specifications

Part Number6251-51-1000, 6251-51-1001, 6251511000, 6251511001

Fitment Notes

Brand or application signal
Komatsu Engine Spare Parts
Product family
Oil Pump
System category
Engine Spare Parts > Lubrication & Cooling Systems > Oil Pump
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.