Yanmar Saildrive Rubber Bellow Kit – SD40 / SD50 196420-02712 – 196420-02721

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:

• 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