Attwood Scupper Valve provides a reliable water exit for boats with self-bailing cockpits. Built for durability, it serves as a direct replacement that fits the 3875B thru-transom connector with a precise 2-7/8" diameter.
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Diameter: 2-7/8 inches
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Material: Acetal construction for strength and longevity, corrosion resistant
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Compatibility: Replacement for 3881 Thru-Transom Scupper; fits 3875B thru-transom connector (screw holes must be drilled for installation)
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Installation note: Designed for above-waterline use
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Manufacturer part number: 3876-3
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UPC: 022697387639
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Prop65 Warning: This product can expose you to chemicals known to the State of California to cause cancer, birth defects or other reproductive harm
Attwood Scupper Valve helps you maintain a dry, functional deck by providing a secure exit point for wastewater in self-bailing cockpits. Its acetal construction delivers long-lasting performance in marine environments, and its precise 2-7/8" diameter ensures a snug fit when paired with the 3875B thru-transom connector. This is a practical upgrade for boaters seeking a dependable replacement valve with clear compatibility and installation guidance.
