Martyr driveshaft housing anode protects the upper housing from corrosion in salt water.

Mercruiser Zinc Driveshaft Housing Anode | Martyr CM821630C2Z

• Mercruiser driveshaft housing anode
• For all Mercruiser Bravo I, II, II X, XR and XZ drives
• Zinc anode for salt water applications
• Zinc replacement for aluminum Mercury anode p/n 821630Q1
• For aluminum see p/n CM821630C2A
• For magnesium see p/n CM821630C2M