Godfrey Premium Collar Zinc 3 1/2” – Marine Shaft Anode for Corrosion Protection

Godfrey Premium Collar Zinc 3 1/2” is a heavy‑duty marine shaft anode designed to protect propeller shafts and underwater metal components from galvanic corrosion. This collar zinc installs directly onto the shaft and provides dependable corrosion protection in saltwater environments.

Zinc sacrificial anodes work by sacrificing themselves to protect more valuable metal parts such as the propeller, shaft, and surrounding hardware. By “giving up” their material first, they reduce the effects of electrolysis and help prevent costly damage to essential boat components. Shaft anodes are essential for boats operating in saltwater where corrosion pressure is high.

The collar design ensures a secure and tight fit around the shaft, while the durable zinc construction delivers consistent performance even in demanding marine conditions. Larger anodes like 3 1/2” supply extra protective surface area, making them suitable for bigger vessels.

Benefits of Godfrey Collar Zinc:

• Protects propeller shaft from corrosion and electrolysis
• Extends the lifespan of marine components
• Secure collar design for reliable shaft fit
• Easy installation and replacement
• Designed for saltwater marine use

Why choose Godfrey zincs:
Godfrey marine zincs are known for durable construction and consistent performance. Built for demanding marine environments, they provide dependable corrosion protection for both recreational boats and commercial vessels.

Who it is for:

• Boat owners
• Marine technicians
• Commercial fishing operations
• Anyone maintaining shaft‑driven vessels

How to use:
Install the collar zinc onto the propeller shaft and tighten securely. Inspect regularly and replace when significantly worn.