Wondering which pump motor to order

I want to purchase a new motor for my Hayward Northstar which was installed in 2008 and has been great for 13 years. Please tell me which model to order. Also, this is a salt system pool and I would like to know which shaft seal to purchase. Thanks.

The replacement motor for your Northstar pump is model USN1152. The saltwater/heavy-duty shaft seal is part number 5250-250.