Tecnoseal X6AL Shaft Anode - Aluminum - 1-3/8" Shaft Diamter

The Tecnoseal X6AL Shaft Anode is a sacrificial aluminum cathodic protection component designed to shield marine propeller shafts and underwater metallic structures from corrosion and galvanic damage. This shaft anode is engineered for boat owners, marine engineers, and watercraft maintenance professionals who need reliable, long-lasting corrosion protection in saltwater and brackish environments. By corroding preferentially in place of the primary shaft material, this aluminum anode extends the operational life of expensive drivetrain components and prevents costly replacement or repair downtime.

Constructed from high-purity aluminum, the Tecnoseal X6AL features a 1-3/8" inner diameter to accommodate standard marine shafts, with an outer diameter of 2.58" and a height of 2.62" providing adequate surface area for effective galvanic protection. The anode is machined with four evenly-spaced mounting holes, allowing secure fastening to the shaft with minimal disruption to propeller assembly or drive alignment. Aluminum anodes offer superior performance in seawater applications, delivering faster corrosion rates than zinc alternatives while remaining cost-effective for seasonal and year-round marine use. The compact 0.59 lb weight ensures minimal added load on shaft bearings and drive mechanisms.

This shaft anode is ideal for inboard and outboard motor installations, sailboat cruising systems, and commercial fishing vessels operating in moderate to high-salinity waters. Installation requires removal of the propeller and shaft collar, positioning the anode over the shaft, and securing it firmly with corrosion-resistant fasteners through the four mounting holes. Inspect and replace the anode annually or whenever it shows 50% or greater material loss—a visual indicator that protective capacity is diminishing. Compatible with most standard marine propulsion systems using 1-3/8" diameter shafts, the Tecnoseal X6AL delivers predictable, maintenance-free corrosion defense for extended vessel service life.