O-ring Gasket for 3" pump and heater union tailpiece. Featuring a gasket and O-ring molded into a single piece. Design is superior to plain O-ring, for drip-free seal.
- 3" O-ring Gasket
- Measures 4⅛" O.D.
Product notes: Chemically-resistant polymer. Used with Big Red and Acura 3" pump unions. Part Numbers: 711-2640.
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