Yanmar Saildrive Rubber Bellow Kit for SD20, SD25 & SD30 – Genuine OEM Replacement
Keep your Yanmar Saildrive system fully watertight and protected with this original Yanmar Saildrive Rubber Bellow Kit , designed for SD20, SD25, and SD30 models. This complete OEM kit ensures a secure seal between the Saildrive and hull , preventing water ingress and protecting critical components from corrosion or mechanical damage.
Manufactured to Yanmar’s exact specifications , the rubber diaphragm and sealing components deliver durability, flexibility, and precision fitment . Perfect for professional maintenance or DIY replacement, this kit provides everything required for safe, long-term Saildrive operation .
Compatible Engines:
Yanmar SD20
Yanmar SD25
Yanmar SD30
Key Features:
Original Yanmar components for long-lasting performance
Prevents water ingress and safeguards your Saildrive
Complete kit with diaphragms, O-rings, bands, and protective parts
Precision-engineered for an exact fit on Yanmar SD20, SD25, and SD30
Recommended Maintenance: Exposed to seawater and natural wear, Yanmar recommends replacing the rubber bellow every 7 years , regardless of usage, to prevent leaks and ensure safe operation.
Kit Contents:
196420-02712 DIAPHRAGM, A
196420-02721 DIAPHRAGM, B (Old no. 196420-02720) (B-bellow temporarily unavailable)
196420-02730 BAND, ONE TOUCH 199
196420-02740 BAND, ONE TOUCH 236
24321-000750 O-RING, 1AG75.0
24341-000125 O-RING, 1AS12.5
196420-02551 PROTECTOR, RUBBER
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