Can you tell me which drive coupler I need for this model number?
Answer Brian, the replacement coupler for your model KSB5BU3 is part number 9704230. Thanks!
We need a new drive coupler for our blender. Is the 9704230 the one we need for our model?
Answer Don, according to your model the coupler 9704230 is the correct replacment and will work on your unit. Thanks!