I have a wacker neuson st50. I did not know this until it needed service, but the previous owner had a replacement engine installed. I kept getting a SPN code related to the right hydraulic pump sensor. I ordered a new factory sensor and discovered that the old sensor is a two piece unit (the sensor plate is connected to the wire harness plug with 3 wires) whereas the OEM is a one unit sensor (sensor plate on the bottom of the wire harness plug). My machine did not like the OEM sensor (probably due to the previous engine swap). I looked at the left sensor, which works fine, and it is also a 2 piece sensor, so it is also different from OEM parts manual. Does anyone recognize the 2 piece sensor and know where I can find a replacement?
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