Martyr Anodes CM875821A Aluminum Duo Prop Ring Anode for Volvo Penta

The Martyr Anodes CM875821A is a premium aluminum ring anode specifically designed for Volvo Penta duo prop sterndrive systems. This sacrificial anode provides critical corrosion protection for your drive components by corroding in place of more expensive metal parts like the propeller and housing.

Key Features:

• Engineered specifically for Volvo Penta duo prop applications
• Constructed from high-grade aluminum alloy for saltwater and brackish water use
• Ring-style design fits around the propeller hub area
• Sacrificial protection extends the life of expensive drive components
• Direct replacement for Volvo Penta part number 875821

Regular inspection and replacement of sacrificial anodes is essential for maintaining your sterndrive system. Aluminum anodes are the preferred choice for saltwater and brackish water environments, offering superior protection against galvanic corrosion. Replace anodes when they are 50% depleted to ensure continuous protection of your investment.