american bosch pump

A word to the wise! The reason the seal leaks is the bearing behind it is worn out letting too much movement in the shaft. I put a seal & bearings in one last summer. The part you can get is the little plug on the back side. So fan I have been able to use them all again. Does the tractor run? IF NOT, make the screw driver test before you turn the engine over! Questions? J.
 
yes the tractor runs the way it should. shaft doesn't seem to be loose. napa can not cross over the old numbers,nothing comes up.
 
Don't know where you are located.   My diesel was leaking out the seal for the governor shaft (also the shutoff).   I just walked into Midwest Diesel in Beemer, NE and told my friend Arnie what I needed.   He came with boxes of bearings, seals and the gasket between the main body and governor housing and said how many do you need?

You need to go to your local diesel shop.
 
If you are working on the external spring type governor the American Bosch seal # is PK 901, and be setting down when you price it. If the shaft bearings are loose a new seal probably will leak too unless the two bearings are replaced. Housings can wear too where the bearings set inside. I've looked and can't find a seal cross as this one is a special size. 35 years ago all parts were available, even rebuilt heads..
 

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