Lewmar 00589350 Sacrificial Zinc Anode Kit for 185TT Bow Thruster

The Lewmar 00589350 Anode Kit is a genuine OEM replacement sacrificial zinc anode designed specifically for Lewmar 185TT tunnel bow thrusters. Used in conjunction with Lewmar thrusters fitted with a bronze hub, this anode provides essential cathodic protection, shielding your thruster's underwater metal components from galvanic corrosion in saltwater environments.

Key Features:

• Genuine Lewmar replacement sacrificial zinc anode for 185TT thrusters
• Zinc construction — optimized for saltwater use per US Mil-Spec 18001K alloy standards
• Features a specially designed stainless-steel sheath for optimal retention and service life
• Secured with a large, accessible nut — designed for easy in-water replacement without hauling the vessel
• Kit includes anode, washer, and lock nut — everything needed for a complete replacement
• Fits all Lewmar 185TT thruster models with a 185mm (approx. 7.3") tunnel diameter, commonly found on vessels 9–12 meters in length

Specifications:

• Material: Zinc
• Anode OD: 1.8" (45mm)
• Anode Height: 0.6" (15mm)
• Bore ID: 0.41" (10mm)
• Installation Tool: 17mm wrench or socket

For optimal corrosion protection, inspect the anode condition every few months and replace once more than half of its mass has been consumed. Using genuine Lewmar anodes ensures the correct alloy composition and a precision fit for your thruster. Cross-reference part numbers: 589350, LEW589350, CM589350KITZ, CM589350Z, 01081.