For Achilles transom drain assembly, Diameter is 1 1/4″. (Achilles Part #C441C). Also works on Caribe, West Marine and fits the Walker Bay Drain Plug (part #23026).
Achilles/Caribe/West Marine/Walker Bay Self-Bailer Drain Flapper (Part #C441C), Single Flapper
For Achilles transom drain assembly and the Walker Bay Drain Plug. Also works on Caribe and West Marine. 1 1/4″ diameter.
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Replacement valve for Zodiac self-bailers. Can also be used on all Zodiac-made West Marine Boats. 1 1/4" diameter. This black rubber diaphragm has been used by most manufacturers. Fits the Zodiac self bailer Part #Z2218. Buy 6 or more and save $.25 each