Y940451 – Wave and Wave XP 5/8 inch aka 0.625 inch Propulsion Bearing Assembly
Latest information from Master Spas 06/19/2017:
They are advising customers to purchase Y940468 – 1 inch Prop Bearing Kit
| Spa Model | Year | Specific Model |
| Down East Spas | 2007 | H2X Swim Spa |
| H2X Swim Spas | 2011 | Momentum 50, Momentum 80, Impact, Force |
| Michael Phelps Swim Spas | 2013-2014 | Signature S, Signature , Momentum 50, Momentum 80, Impact, Force |
