Yanmar Sail Drive Sealing Diaphragm - 

Part Number - 196420-02712

Fits To -SD20, SD25, SD30, SD40, SD50 / SDE7, SDE10, SDE15


You may wish to look at the following parts 

Inner Diaphragm Securing Band - 196420-02730
Secondary Diaphragm Outer Securing Band - 196420-02740
Diaphragm B - 196420-02722
Outer Seal - Flexible Rubber Fairing -SDe7-15 SD15-25 - 196420-02551



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To Confirm Compatibility & Fitment, Please Message Us With Your Engine Serial Number.