Description
Yanmar Saildrive Rubber Bellow Kit for SD40 & SD50 – Genuine OEM Replacement
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:
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Yanmar SD40
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Yanmar SD50
Key Features:
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Original Yanmar components for long-lasting use
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Prevents water ingress and safeguards the Saildrive
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Complete kit with diaphragms, O-rings, gaskets, and protective bands
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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:
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196420-02712 DIAPHRAGM, A
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196420-02721 DIAPHRAGM, B (Old no. 196420-02720)
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196420-02730 BAND, ONE TOUCH 199
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196420-02740 BAND, ONE TOUCH 236
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24321-000800 O-RING, 1AG80.0
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189010-01130 GASKET
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196420-02551 PROTECTOR, RUBBER






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