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B & S Anodes BSM4RB Rudder Zinc Anode 4 Inch Diameter

Manufacturer

B & S Anodes

<h3>Premium Marine Corrosion Protection Solutions</h3><p>B & S Anodes delivers specialized corrosion protection products designed to safeguard marine vessels, equipment, and underwater metal components from the destructive effects of electrolysis and galvanic corrosion. With roots in electrochemical engineering and cathodic protection technology, the brand has established itself as a trusted supplier of marine-grade protective anodes for boaters, shipyards, and marine maintenance professionals.</p><h3>Advanced Anode Technology for Marine Applications</h3><p>Marine environments present unique challenges for metal components. Saltwater acts as an electrolyte that accelerates galvanic corrosion, potentially causing thousands of dollars in damage to propellers, rudders, trim tabs, and through-hull fittings. B & S Anodes addresses these concerns by providing sacrificial anodes that corrode preferentially, protecting more valuable metal components from degradation. Their <a href="/7244-b-s-anodes-anodeszincs-200103">anodes and zincs</a> are engineered to meet the demanding requirements of saltwater, brackish water, and freshwater marine environments.</p><p>The company's product line reflects a deep understanding of electrochemical principles and marine corrosion science. Each anode is manufactured to provide consistent electrical potential and reliable sacrificial protection throughout its service life. Whether protecting an outboard motor, sterndrive, shaft, or rudder, proper anode selection and installation is critical to preventing costly corrosion damage.</p><h3>Comprehensive Protection Systems</h3><p>Beyond individual protective anodes, B & S Anodes offers complete <a href="/7244-b-s-anodes-anode-kits-200102">anode kits</a> that provide comprehensive corrosion protection for specific marine applications. These carefully assembled kits take the guesswork out of corrosion protection by including all necessary components for complete vessel protection. For marine professionals and boat owners who understand that proper maintenance extends vessel life and preserves resale value, having the right combination of anodes in the correct locations is essential.</p><p>The brand's expertise extends to specialized marine components, including precision-engineered parts like <a href="/7244-b-s-anodes-engine-rocker-arm-shaft-5680">engine rocker arm shafts</a>, demonstrating their broad technical capabilities in marine and industrial applications. This diverse product range reflects the company's engineering background in electrochemical systems and marine equipment manufacturing.</p><h3>Why Marine Corrosion Protection Matters</h3><p>Regular anode inspection and replacement is one of the most cost-effective maintenance practices for any vessel. Neglected or depleted anodes can lead to rapid deterioration of expensive components like propellers, shafts, and underwater metal fittings. B & S Anodes provides the protective solutions that help boat owners avoid emergency haul-outs, costly repairs, and premature component replacement, making proper corrosion protection an investment in long-term vessel integrity.</p>

Part Number

BSM4RB
06/03/2036 8:32 AM
Sale Price

$26.43

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The B & S Anodes BSM4RB is a 4-inch diameter rudder button zinc anode designed to provide critical corrosion protection for marine rudders and rudder shafts. This sacrificial anode protects more valuable metal components by corroding preferentially, preventing galvanic corrosion damage to your vessel's steering system.

Key Features:

  • 4-inch diameter button-style design for rudder mounting
  • Pure zinc alloy construction ideal for saltwater applications
  • Sacrificial anode protection extends rudder and shaft life
  • Direct replacement marine-grade corrosion protection
  • Easy installation on rudder surfaces

Zinc anodes are specifically formulated for saltwater environments and should be inspected regularly and replaced when 50% depleted to maintain optimal corrosion protection. This rudder button anode mounts directly to the rudder surface to protect against galvanic corrosion caused by dissimilar metals in the marine environment.

Products specifications

Material

Zinc

Size

4" dia. x 1-3/8"

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