Seal kit fit UST1102 pump

What is the correct pump seal kit for Century UST1102 ?

UST1102 sounds like the motor model number and seal kits are specific to the pump and not the motor.  Let us know what the model of the pump is that the motor attaches to so we can recommend a new motor shaft seal or tune-up kit for a leak-free installation.

The labels are no longer on the housing. Part numbers that I have found on the basket which is SP-1600-M also the part number on the cover is SP-1600-0. I’m not sure if you can back into it for the correct kit.

That is good enough - that SP1600M is unique to a Hayward Super Pump, so the GOKIT3 Tune-Up Kit is the one you will need; get the GOKIT3SALT Tune-Up Kit if you have a saltwater pool.  It has a heavier-duty motor shaft seal in it.

Thank you for your guidance !

It is our pleasure to help!  Let us know if you need anything else.

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Great. I definitely learned something new about seal kits!

My previous Century 1 hp motor lasted several years, so I replaced it with a new one that was identical. The pump assembly’s gaskets were worn and began to leak slightly, causing the front bearing on the pump motor to wear out. The motor is very powerful, with more than enough power to supply a steady stream of water to our inground pool and the rooftop solar heating array. I’ll keep updating after a month.

Not so familiar but you can try POOL PUMP SHAFT SEAL. Shaft Seals prevent water from leaking along the motor shaft, just behind where it connects to the impeller. The motor shaft goes through the seal plate, or the bracket that connects to the pump.