The Volvo Penta Pencil Anode Magnesium Ø15 mm with Brass Plug BSPT 1/2″ is supplied as a complete assembly , consisting of a magnesium pencil anode and a brass threaded plug. This unit is designed to provide maximum protection against galvanic corrosion in freshwater environments , where magnesium is the most effective anode material. Magnesium anodes offer the highest electrochemical activity, making them ideal for use in lakes, rivers, and other low-conductivity water conditions. The integrated 1/2″ BSPT (gas conico) brass plug ensures secure installation and reliable electrical contact. This type of pencil anode is commonly used in marine cooling systems and other internal applications requiring effective corrosion protection. Material Anode: Magnesium Plug: Brass Thread 1/2″ BSPT (Gas Conico) Dimensions Diameter (Ø): 15.0 mm Length (L): 30.0 mm Dimension (C): 13.0 mm Reference / Replacement Numbers 3838499 800476 804107 838929 858501 Key Features Complete magnesium pencil anode supplied with brass plug Maximum corrosion protection in freshwater Sacrificial anode for internal engine protection Secure 1/2″ BSPT threaded installation Precision-manufactured for correct fitment Regular inspection and timely replacement of magnesium pencil anodes is essential to maintain effective corrosion protection and prevent damage to internal marine engine components.
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