This is a Maytronics Diagnostic Wheel Bearing Stopper Ring for many Dolphin pool cleaners.
This part is designed for these Dolphin models: Diagnostic Advantage, Deluxe, 3001, 2002, Heavy Duty, Enduro 21r+ and 11r+, Pro, Enduro, Pro X2, Commander, Sprite Diagnostic, Interactive, Orion lI, Advantage, Explorer, DX3, DX4, DX5 Plus, DX5, Deluxe CL1, Dynamic DX6, Supreme: M3, M4, and M5, Nautilus, Wave 50, Apollo, Endeavor, Atlantis Basic, Triton, Edge, 2×2 Gyro, Saturn, Discovery, Wave 75, Advantage Plus, Wave 75, 2×2 115V CB 2013, Wave 65 and 90, Supreme M5, Bio, Deluxe 5 Trevi, Evolution X5, Primal X3, C3 and C4, 2×2 C6 Plus, M400, Nautilus, M200, C3 Dynamic, Triton Plus, Neptune and Neptune Plus, and Edge Dynamic.
