While you wait for answers, we may have found some information which could help you.
Click here for Blender Coupling KitchenaidKitchenaid KP2671XNV will not turn on?
Replace a Cord on a Kitchenaid 4c mixer?
My Kitchenaid blender spindle has broken?
Kitchen Aid - speed lever?
kitchenaid mixer model k5m90wh?
kitchen aid 550 professional burned up motor?