GE (G.E.) Genuine OEM WG04F01063 Dishwasher Float Switch. The float switch shuts the water fill valve off if the water level gets too high before the timed fill cycle ends.
This part works with the following brands: G.E., GE, General Electric, Westinghouse, Monogram, Café, Moffat, Profile, Sears, McClary, Hotpoint, & Kenmore.
 
Possible Repair Solution For:

Leaking water, will not start, will not fill.
Please Note: This is intended as a guideline only, as other items can cause the same symptoms.
 
This part is also known as a flood switch.