This is a new, genuine Kubota jet start cock assembly, part number 14311-60505. Kubota’s parts books also call it a shut-off valve assembly (jet start) and show it in the injection pump group. It is the current number for the older 14311-60504. Kubota’s engine parts books and dealer catalogs list it for the D1803 and V3600 diesels, and Kubota tractor dealers list it for the L2501, L45, MX4700 and MX5100.

The older number, 14311-60504, was used on a long list of Kubota B, L, MX and M series tractors, such as the B7200, L2850, L3010, L3400, L3800, L4400, MX5000, M5040, M7040 and M9000. Dealer catalogs show this part as its replacement. Match the number on your old part, or have the engine or machine model and serial number ready.

Specifications

Fits / Applications

• Kubota D1803 and V3600 diesel engines
• Kubota L2501, L45, MX4700 and MX5100 tractors
• Replacement for 14311-60504 on B series tractors such as the B1550, B1750, B2150, B5200, B6200, B7200, B8200 and B9200
• Replacement for 14311-60504 on L series tractors such as the L2850, L3010, L3130, L3240, L3400, L3540, L3800, L3940, L4200, L4240, L4400, L4600, L4740, L5040, L5240 and L5740
• Replacement for 14311-60504 on the MX5000 and on M series tractors such as the M4030, M5030, M5040, M6040, M6800, M7040, M8200 and M9000
• Confirm by the number on the old part or by engine serial number
• Kubota D1803-M-E3B-KEA-2 parts book: listed from engine serial 7JN0001. Before that the book lists 14311-60504.
• Kubota V3600-E3B-KEA-3 parts book: listed from engine serial 2JN0001. Before that the book lists 14311-60504.
• On the other side of a serial break? Send us the serial number and we will check which part number Kubota calls for.

Keep dirt out of the open fuel port, fit new sealing gaskets where your engine has them, and bleed the fuel system after fitting.

Part Numbers & Cross Reference

Kubota 14311-60505  ·  Kubota (older number) 14311-60504

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

Does the 14311-60505 replace 14311-60504?

Yes. Kubota’s parts books say to order 14311-60505 for engines that came with 14311-60504, and dealer catalogs show the old number as replaced by it.

Which Kubota engines and tractors use the 14311-60505?

Kubota parts books and dealers list it for the D1803 and V3600 diesels and for the L2501, L45, MX4700 and MX5100 tractors. It also takes the place of 14311-60504 on many older B, L, MX and M series tractors. Call 530-668-0818 with your model and serial number and we will check it.

Where does the jet start cock go?

Kubota’s parts books show it in the injection pump group. Kubota also names it a shut-off valve assembly (jet start).

What should I check before I order?

Read the number on the old part if you can. If it says 14311-60504 or 14311-60505, this is the part. If you cannot read it, call 530-668-0818 with the engine model and serial number.

Related Parts

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• Kubota V3300, V3300-T & V3600-T Fuel Injector Kit for M6800, M8200 & M9000 | Genuine Kubota 1C010-53900
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• Kubota V3300, V3600 & V3800DI-T Stop Solenoid for M8540, M9540 & M9000 | Genuine Kubota 1C010-60017

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.