My last sentence says it all.. The solenoid in not available separate.. The only "path" is install a repair kit in the pump or replace the pump/solenoid assembly. Neither approach requires motor replacement. When you activate the pump, if it clicks, the solenoid is good.. You'll need to repair or replace the pump..
Go this site.. They have everything you need..
https://www.classicindustries.com/?u...6e0f5db346c5e#