Yanmar Saildrive Rubber Bellow Kit for SD40 & SD50 – Genuine OEM Replacement (B bellow not available) Protect your Yanmar Saildrive system with the original Yanmar Saildrive Rubber Bellow Kit , designed specifically for SD40 and SD50 models . This OEM-quality kit ensures a watertight seal between the Saildrive and hull, preventing water ingress and protecting internal components from corrosion, leaks, and mechanical damage. Built with high-grade marine rubber and precision-engineered parts , this kit offers long-term reliability and a perfect fit for both professional technicians and DIY boat owners. It includes all the required O-rings, diaphragms, gaskets, and clamps for a complete and safe installation. Compatible with: Yanmar SD40 Yanmar SD50 Key Features: Original Yanmar components for long-lasting use Prevents water ingress and safeguards the Saildrive Complete kit with diaphragms, O-rings, gaskets, and protective bands Precision-engineered for a perfect fit on Yanmar SD40 and SD50 Recommended Maintenance: Exposed to seawater and natural wear, Yanmar recommends replacing the rubber bellow every 7 years to prevent leaks and maintain safe operation. Kit Contents: 196420-02712 DIAPHRAGM, A 196420-02721 DIAPHRAGM, B (Old no. 196420-02720) 196420-02730 BAND, ONE TOUCH 199 196420-02740 BAND, ONE TOUCH 236 24321-000800 O-RING, 1AG80.0 189010-01130 GASKET 196420-02551 PROTECTOR, RUBBER
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