Product review (5 stars): Works, and requires little effort to install. Totally worth it.
This fixed my old GE portable dishwasher's unicoupler.  Over the past, cripes, 8 years, our dishwasher has developed a more and more prominent leak at the faucet.  Finally, the unicoupler started popping off altogether when the water was turned on.  I replaced the parts in less than 2 minutes, and now the unicoupler holds in place as it should again.