What seal do I need?

It looks like: SP3010X15AZ
Currently matched with a
Hayward Super II Pump
1 ½ HP A.O.Smith Model C48L2N134B1
Currently matched with a
Hayward Super II Pump
1 ½ HP A.O.Smith Model C48L2N134B1
Locke Well & Pump Forum
https://www.lockewell.com/forum/