Here is the item I purchased from my local Kubota dealer (& it had to be ordered, cost about $110US. Sorry the pic isn't better, it is the brochure packed with the parts & all wadded up. If you can't read a number let me know.
It operates perfectly, does not affect the 3 point operation and...
This unit has a hydraulic block in the rear area above axle on right side. Owners manual shows an optional adapter, which I have purchased, that replaces the block "cap" with in/out ports for hoses & says for use when implement is attached. (I will use a short loop to complete circuit when one...