Water Leak. Hello,I've had an GE fridge Model# TPX24PBDAWW that I found that one of my water tube

Question

Hello,I've had an GE fridge Model# TPX24PBDAWW that I found that one of my water tube supply water to the ice maker got harden due to it close to the motor and it's broke so I pull that tube out and try to replace it, once I pulled the tube out of the valve the locking (ring, collete) it's automatically destroy itseft, called GE said that they don't sell that part alone I have to buy the whole valve assembly (part# WR57X10022) which is cost about $100.Is there a place to buy that little locking ring or is there another solution? I'm really appreciated you help. Thanks Eric