Polaris Motor Block R0638100

The part was en exact fit and worked great. This was the best price I could find. Will definitely come back for my pool equipment needs.

The description allowed me to pick the correct replacement part for my unit. Worked perfectly.

Product was the right one and works great. Service was fast and courteous.

Fit and works as expected

Research and order placement was a breeze. Received the package promptly and installed. My P9550 works great now.