We may have found other answers which could help you.
Click here for KitchenAid Blender Coupling
kitchen aide mixer model k5-a mixer stuck on high speed?
KM32 Motor Arm Jammed?
Blender lights flashing and smoking?
Replace a Cord on a Kitchenaid 4c mixer?
how can i fix my kitchen aidmodel?
How to disassamble kitchenaid KSM90 mixer?