The Volvo Penta Pencil Anode Zinc 838929 Ø15 mm with Brass Plug BSPT 1/2″ is supplied as a complete assembly , consisting of a zinc pencil anode and a brass threaded plug. This unit is designed to provide effective protection against galvanic corrosion in marine cooling systems and other internal applications. The zinc anode functions as a sacrificial element, corroding before critical metal components and helping to extend their service life. 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 heat exchangers and engine cooling circuits. Material Anode: Zinc 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 zinc pencil anode supplied with brass plug Sacrificial anode for internal corrosion protection Secure 1/2″ BSPT threaded installation Precision-manufactured for correct fitment Suitable for marine cooling system applications Regular inspection and timely replacement of pencil anodes is essential to maintain effective corrosion protection and prevent damage to internal engine components.
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