Martyr zinc anode designed to protect gimbal housing from corrosion salt water

Mercruiser Zinc Gimbal Housing Anode | Martyr CM43994Z

• Mercruiser gimbal block anode early design
• Zinc anode for salt water applications
• Fits R, MR, Alpha One and Alpha One Gen II
• Fits Bravo I, II, III, X, XR and XZ drives
• Zinc replacement anode for aluminum Mercury anode p/n 821631Q1
• Current design see p/n CM821631Z
• For a magnesium replacement see p/n cm43994M