This seal kit fits select LX WUA series 48 and 56 frame hot tub pumps models manufactured by LX Pumps from 2017 and newer. The pre-2017 WUA series LX pumps utilize several different types of seals that are not interchangeable and cannot be identified by the pump model number. To ensure that this seal will fit your pump, it is best to disassemble your pump and confirm that it matches.
Dimension of top and bottom of the 2 seal parts which are metric.