Product review (5 stars): Great Seller and a better product.
The pump drive coupler arrived just about as promised even though Super Storm Sandy delayed everything coming from the east coast.  Customer service was great with prompt responses!

The coupler fit perfect and is better than the original unit.  The engagement points on the motor, drive unit and rubber coupling are more robust than the original.  The interface to the shafts fits tighter (better) than the old piece.