This is the genuine Kubota fuel overflow pipe gasket, part number 1J550-96730. Kubota’s parts book for the V3800-TIE4B lists five per engine on the injection pipe page, with the five joint bolts of the overflow pipe and injector kit 1J508-53076.
The overflow pipe carries return fuel from the injectors. Kubota’s book for the V2607-DI-TE3B lists the same gasket, five per engine, from engine serial 8EJ0001.
Confirm Fitment Before You Order
The engines named on this page are the ones whose Kubota parts books we have checked. For any other engine, send us the engine model and serial number and we will read the part off the Kubota parts list. Call 530-668-0818 and we will confirm the exact match at no charge before anything ships.
Specifications
| Part number | 1J550-96730 |
| Brand | Kubota |
| Condition | New, genuine, in original packaging |
| Warranty | Kubota genuine parts warranty: 1 year against defects in materials or workmanship. |
| Type | Overflow Pipe Gasket |
| Kubota name | GASKET |
| Used with | Kubota injector kit 1J508-53076 (overflow pipe joint bolts) |
| Engines | Kubota V3800-TIE4B, V2607-DI-TE3B, V3600-E3B |
| Quantity | Five per engine |
Fits / Applications
- Kubota V3800-TIE4B: 5 per engine
- Kubota V2607-DI-TE3B: 5 per engine, from engine serial 8EJ0001
- Kubota V3600-E3B: 2 per engine at the pump housing, from engine serial CG0001
- Other Kubota engines: send us the engine model and serial number and we will check the parts list
Clean both sealing faces before you fit it, and tighten to the figure in the Kubota workshop manual for your engine.
Part Numbers & Cross Reference
Kubota 1J550-96730.
Cross-reference numbers can change with engine serial, build year and emissions tier, so treat this list as a starting point. Send us your engine serial number and we will confirm the exact match against your build before anything ships. That check is free and takes a few minutes.
Frequently Asked Questions
How many do I need?
Five per engine.
Which injector does it go with?
On the V3800-TIE4B, Kubota’s parts book shows it on the same page as injector kit 1J508-53076, with five gaskets and five joint bolts for the overflow pipe.
My engine is not named here. Will it fit?
Send us the engine model and serial number and we will read the part off the Kubota parts list for that engine.
Related Parts
- Kubota V3800 Common Rail Fuel Injector Kit 1J508-53076 (Genuine)
- Kubota V2607-DI-T Fuel Injector, Nozzle Holder Assembly (Bobcat 7020613) | Genuine Kubota 1J700-53002
Why Buy From Valley Fuel Injection
We are an authorized Kubota dealer and a diesel fuel-injection shop in Woodland, CA, working on diesel engines since 1993. When you call, you talk to people who know Kubota engines, and we check the part number against your engine serial or machine model before anything ships, so the right part arrives the first time. See our Kubota engine sales, parts and service.
UPS to all 50 states, including Alaska and Hawaii. Your rate shows at checkout. Questions on fitment? Call 530-668-0818.
Pricing covers the unit itself. Any applicable sales tax is additional; shipping is calculated at checkout. Buying tax-exempt? Qualifying diesel repair shops, fleets, farms, and agricultural operations can purchase tax-free. Set up tax-exempt purchasing once and every qualifying order is tax-free going forward.




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