This is KEARP-1J770, a genuine Kubota remanufactured fuel supply pump. Kubota’s own parts name for it is REMAN-ASSY PUMP INJECTION. Kubota Engine America’s remanufactured parts page lists it as the reman for original Kubota number 1J770-50500.
Kubota’s parts books list original number 1J770-50500 on the V3307-CR-TIE4B-KEA-1 engine, one per engine. That book lists 1J770-50500 in the supply pump section up to serial 8JRZ999. Later serials list other numbers: 1J770-50503 from 8JS0001 and 1J770-50504 from 8KA0001.
Confirm Fitment Before You Order
Call 530-668-0818 with your Kubota engine model and serial number and we will check the part against the Kubota parts list before anything ships.
Specifications
| Part number | KEARP-1J770 |
|---|---|
| Brand | Kubota |
| Condition | Remanufactured by Kubota |
| Type | Fuel Supply Pump |
| Kubota name | REMAN-ASSY PUMP INJECTION |
| Kubota name | REMAN-ASSY PUMP INJECTION |
| Type | Kubota remanufactured |
| Kubota original part number | 1J770-50500 |
| Kubota name of the original 1J770-50500 | PUMP,ASSY(SUPPLY) |
| Quantity per engine | 1 |
| Core charge | Refundable in full when we receive your rebuildable core |
| Shipping weight | 15 lb |
Fits / Applications
- Kubota V3307-CR-TIE4B-KEA-1 engine, supply pump section, quantity 1, serial up to 8JRZ999 (Kubota parts book listing for original number 1J770-50500)
Part Numbers & Cross Reference
Kubota (original number) 1J770-50500
Frequently Asked Questions
Is KEARP-1J770 a new pump?
No. KEARP-1J770 is Kubota’s own remanufactured pump. Kubota lists it as the reman for original number 1J770-50500.
Which engines use KEARP-1J770?
Kubota pairs KEARP-1J770 with original number 1J770-50500. Kubota’s parts books list 1J770-50500 on the V3307-CR-TIE4B-KEA-1 engine. Call us with your engine serial number to confirm.
Ships by UPS to all 50 states, including Alaska and Hawaii. Your rate shows at checkout. A refundable core charge is added at checkout.


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