Pentair C105-137PDA 3-Phase Impeller Assembly Replacement Sta-Rite Pool and Spa Inground Pump 3-Phase impeller assembly replacement Fits Pentair Sta-Rite Max-E-Glas series pool and spa inground pump models PE5G-122L, PE6G-184L, PE52G-184, PE52G-185 Also fits Pentair Sta-Rite Dura-Glas series pool and spa inground pump models P2R52G3-184, P2R5G3-184, PEAA5G-122L, PEAA6G-184L Measures 5-1/4-inch length by 5-1/4-inch width by 2-inch height