Fill drain hose adapter part

The problem i have having with the dishwasher is that the fill drain hose just will not stay on the faucet at all and i think its one of those whit plastic clips that hold the adapter on the faucet any idea where i can get those little plastic clip things at?

Here are your parts
Replacement parts for WHIRLPOOL DP840SWSX0 PORTABLE DISHWASHER | AppliancePartsPros.com

Unfortunately it does not look like individual parts for the hook-up are available.
See Section 7.