If the two grooves on the top of the drive block still there and locked with the basket drive's "teeth" the block is good.
You need the spanner ranch to remove the nut(if you need to).
Find Appliance Parts at AppliancePartsPros.com - Largest inventory in the U.S. with 91% of all in-stock orders delivered within 2 business days. Thousands of photos and diagrams make it very easy to find the right part. Enter your appliance model here.