Answer Hello Karen! The model ksb5wh should have another digit at the end, a number digit (i.e ksb5wh0 or ksb5wh4). We will need this number to verify what the correct part number is for your blenders drive coupling. This number may be off to the right or a couple spaces off from the model number. Please obtain this information and resubmit. Thanks! Read More... Answered by AppliancePartsPros.com | Sunday, August 7, 2011