This is an o-ring O-39 designed for pool pump drain plugs. It works with many manufacturers’ pumps. This o-ring is identical to these manufacturer’s part numbers: Antony 17437, Doughboy 3081001, 3081009, Ezchlor 1269009, Jacuzzi 31094303R, 31160906R, 47011200R, Jandy 1137, Martec/Sonfarrel 201010, 205104, Pentair American 510031, Pentair PacFab 273011, Pentair Purex P62112, 072555, Polaris E45, P40, Premier 29113, Speck 2923541220, Sta-Rite U9147, U9359, U178920P, Sta-Rite Swimquip 250100200, Swimrite 28828675, 30828750, 30828756, Waterway 3030174, and 8050112.
This o-ring has been manufactured in accordance with OEM specifications and are designed to meet or exceed the original manufacturer specifications.