MG Duff manufactures marine anodes to protect boats and underwater gear from galvanic corrosion. The Duff CM46399Z is a zinc cut-down skeg anode specifically made for Mercury outboards and Mercruiser sterndrives.

• Part number: CM46399Z
• Material: Zinc — suitable for saltwater environments
• Fit: Cut-down skeg for Mercury outboards and Mercruiser sterndrives
• Function: Sacrificial anode to protect skeg and nearby underwater metalwork
• Installation: Bolt-on replacement; check existing skeg bolt size
• Replacement guideline: replace when anode is ~50% consumed
• Manufacturer: Duff quality, OEM-equivalent fit

Order the Duff CM46399Z zinc skeg anode for reliable corrosion protection and straightforward installation.