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Standard leather replacement piston for 3-3/8″ diameter (80oz) bulk guns including 103-series (manual), 200-series (air powered) and 733-G11 & 720-G01 rolling extension guns. Durable with excellent chemical resistance. Extend the life and performance of leather pistons by cleaning and then soaking in motor oil to maintain sealing properties. Purchase individually or purchase complete replacement kit #47-9 including nuts & washers.
|Category||Caulking Gun Parts|