I know that this motor is discontinued what can I use instead to make it work?
There is a kind of kit replacement for this at Amazon. It should work just fine. The motor is the old style of motor with open winding, in my opinion more durable than the sealed motors.
https://www.amazon.com/Whirlpool-Refrigerator-Evaporator-63001247-61005339/dp/B00J8HS7H4