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If you buy a replacement pump from Kubota it will end in 50. This 51 number had me wondering where it came from. Could have been my original pump. Just cleaned up. Turns out it was a rebuilt pump. I dont like the blue goop either but what do you do? No pressure there anyway.

Dave A local repair shop put this pump on the tractor. The 51 means it is a rebuilt pump The mechanic said mine was damaged beyond repair. I found out the hard way that he was not to good on Kubotas. Numbers ending in 51 came from the factory. The one ending in 50 are replacement parts. He...

It was a local tractor repair shop

Is there a way to trace a supply pump that was an original factory install? It has a Bosch number on it. Tractor shop claimed to have put a new one on and said mine was bad. Should be 1j801-50500 but is 1j8015051. It defiantly is not a new one. It don't work.

The dealer cleared allthe codes the first time I took it as they had to get the new supply pump learned in the system This was when they told me I needed a new rail pressure sensor. I put a new sensor on and took it back to the dealer as it still would not start. This time they tell me it's a...

Took it to dealer again yesterday. They ran digimaster. I watched and talked with mechanics. No codes. The fuel rail pump had been replaced a few weeks ago by a local tractor mechanic. As it was rusted from water in fuel. His laptop program gave lots of codes. My bad Trying to save a little. The...

Does anyone know where I might find the parameters for the fuel rail sensor. volts/psi With key on it reads .3 volts, with engine running idle it reads .73. This is the test per the WSM. While cranking it has .7 volts. New injector pump and has fuel to low side 73 lbs. Will not start. Starts...