Bosch Genuine OEM 00645147 Dishwasher Water Inlet Port. The water inlet port directs water from the inlet tubing to the dishwasher tub.
This part works with the following brands: Bosch, Thermador, Gaggenau, among others.
Possible Repair Solution For:

Leaking water, will not fill, will not drain, not washing properly.
Please Note: This is intended as a guideline only, as other items can cause the same symptoms.