NUT

This precision-engineered replacement nut from AMMA Marine is designed to meet the rigorous demands of Mercury Marine engines and drive systems. As a genuine OEM-equivalent part, it provides secure and reliable fastening for both saltwater and freshwater applications, making it essential for engine maintenance and protection against vibration and environmental exposure.

This nut directly replaces Mercury Marine part numbers 11-34933, 11-13439-1, and 11-859116, and is ideal for use in Mercury outboard and sterndrive systems. For detailed compatibility and installation instructions, please refer to your engine manual or contact our technical support team.

• Precision factory-spec dimensions ensure exact fit and dependable performance
• Manufactured from corrosion-resistant materials for long-lasting durability
• Suitable for use in both saltwater and freshwater marine environments
• Essential for securing engine components and maintaining proper function