LX Series Jet Pump Seal
Fits WUA LP and Guangdong LX Pump but Not Jacuzzi Premium or Sundance
It is 1 39/64" Across the back of the Spring Seal part
See our You Tube Video about this Pump "LX Series Guangdong Pump How To Repair The Spa Guy"
Ceramic & Rubber part that goes into the impeller is 1 11/32"