• About Us
  • Contact Us
  • Resources
  • Dealer Information
Hit enter to search or ESC to close
Sea Shield Marine Products, Inc.
  • General Boating Anodes
    • –
      • Shaft Anodes
        • Streamline Collars
        • Metric Streamline Collars
        • Limited Clearance Collars
        • Micro Limited Clearance Collars
        • SALCA Line Cutter Anodes
        • Metric SALCA
        • Beneteau Collars
      • Trim-Tab & Rudder Anodes
        • Rudder & Trim Tab Anodes
        • Cranchi / Azimut Yachts
        • Bennet Trim Tab Anodes
    • –
      • Hull Anodes
        • Bolt-On Anodes
        • Weld-On Anodes
        • Solid Plate Anodes
      • Stern/Out-Drive Anodes
        • Mercruiser Quick-Change Anodes
        • Mercruiser Anodes
        • Volvo Penta Anodes
        • Mercruiser Anode Kits
    • –
      • Propeller Anodes
        • Prop Nut Anodes
        • Beneteau Prop Nuts
        • Max Prop
        • Gori Props
        • Flexofold
      • Bow Thruster Anodes
        • Side Power
    • –
      • Saildrive Anodes
        • Yanmar Saildrive Anodes
      • Keel Cooler Anodes
        • Fernstrum keel Cooler Anodes
        • Frigoboat Keel Cooler Anodes
      • Engine Anodes
        • Anodes With Or Without Plug
  • Commercial Anodes
    • –
      • Hull Anodes
        • Weld-On Anodes
      • Rods
        • Zinc
        • Aluminum
    • –
      • Heat Exchanger
        • Zinc
        • Aluminum
      • Lobster & Crab Traps
        • Zinc
        • Aluminum
    • –
      • Mooring Chains
        • Zinc
        • Alunium
  • Industrial Anodes
    • –
      • Ballast Tank
        • Zinc
        • Aluminum
      • Pier & Piling
        • Zinc
        • Aluminum
    • –
      • Underground
        • Zinc
        • Aluminum
      • Water Screens
        • Zinc
        • Aluminum
    • –
      • UCorr
        • MSS Anodes
  • Magnesium Anodes
  • New Products
  • Download Catalogue
Sea Shield Marine Products, Inc.

Product categories

  • Commercial Anodes
  • General Boating Anodes
    • Bow Thruster Anodes
    • Engine Anodes
    • Hull Anodes
    • Keel Cooler Anodes
    • Propeller Anodes
    • Saildrive Anodes
    • Shaft Anodes
    • Stern/Out-Drive Anodes
      • Mercruiser Anode Kits
      • Mercruiser Anodes
      • Mercruiser Quick-Change Anodes
      • Volvo Penta Anodes
      • Zeus POD
    • Trim-Tab & Rudder Anodes
  • Industrial Anodes
  • Magnesium Anodes
Home General Boating Anodes Stern/Out-Drive Anodes Mercruiser Anodes Aluminum M-55989-ALU Mercury Mercruiser Hexagonal Anode (Aluminum)
M-55989

M-55989-ALU Mercury Mercruiser Hexagonal Anode (Aluminum)

  1. Bolt Nut anode
  2. Hexagonal design for ease of installation.
  3. Bolts on and off for easy change out
  4. Meets military specs and standards
  5. Made in USA by Sea Shield Marine
SKU: M-55989-ALU Categories: Aluminum, Aluminum, Mercruiser Anodes
  • Description
  • Distributors
Part No Weight(lb) Style Dimension Holes Box Qty
M-55989-ALU 0.13 CAP 1-1/4″-1-3/8″ 1/2 NC 10

Distributors

anodeshack.com

$5.05

marinezinc.com

$2.93

Related products

  • benetau prop nuts

    Beneteau Replacement Prop Nut Anode (Aluminum)

    Read more
  • Anode with or without Brass Plug (Aluminum)

    Read more
  • M-821630

    M-821630-ALU Mercruiser Bravo Series E-Plate Anode (Aluminum)

    Read more
  • M-806189

    M-806189-ALU Mercruiser Alpha I Hydraulic Ram Anode (Aluminum)

    Read more

GENERAL BOATING ANODES

  • NEW PRODUCTS
  • SHAFT ANODES
  • TRIM-TAB & RUDDER ANODES
  • HULL ANODES
  • STERN/OUT-DRIVE ANODES
  • PROPELLER ANODES
  • BOW THRUSTER ANODES
  • SAILDRIVE ANODES
  • KEEL COOLER ANODES
  • ENGINE ANODES

COMMERCIAL ANODES

  • HULL ANODES
  • RODS
  • HEAT EXCHANGER
  • LOBSTER & CRAB TRAPS
  • MOORING CHAINS

INDUSTRIAL ANODES

  • BALLAST TANK
  • PIER & PILING
  • UNDERGROUND
  • WATER SCREENS

SUPPORT

  • CONTACT US
  • REQUEST A QUOTE
  • RESOURCES
  • DEALER INFORMATION
  • NEWS

    EMAIL SIGN-UP

    © 2025 Sea Shield Marine Products, Inc..

    • General Boating Anodes
      • –
        • Shaft Anodes
          • Streamline Collars
          • Metric Streamline Collars
          • Limited Clearance Collars
          • Micro Limited Clearance Collars
          • SALCA Line Cutter Anodes
          • Metric SALCA
          • Beneteau Collars
        • Trim-Tab & Rudder Anodes
          • Rudder & Trim Tab Anodes
          • Cranchi / Azimut Yachts
          • Bennet Trim Tab Anodes
      • –
        • Hull Anodes
          • Bolt-On Anodes
          • Weld-On Anodes
          • Solid Plate Anodes
        • Stern/Out-Drive Anodes
          • Mercruiser Quick-Change Anodes
          • Mercruiser Anodes
          • Volvo Penta Anodes
          • Mercruiser Anode Kits
      • –
        • Propeller Anodes
          • Prop Nut Anodes
          • Beneteau Prop Nuts
          • Max Prop
          • Gori Props
          • Flexofold
        • Bow Thruster Anodes
          • Side Power
      • –
        • Saildrive Anodes
          • Yanmar Saildrive Anodes
        • Keel Cooler Anodes
          • Fernstrum keel Cooler Anodes
          • Frigoboat Keel Cooler Anodes
        • Engine Anodes
          • Anodes With Or Without Plug
    • Commercial Anodes
      • –
        • Hull Anodes
          • Weld-On Anodes
        • Rods
          • Zinc
          • Aluminum
      • –
        • Heat Exchanger
          • Zinc
          • Aluminum
        • Lobster & Crab Traps
          • Zinc
          • Aluminum
      • –
        • Mooring Chains
          • Zinc
          • Alunium
    • Industrial Anodes
      • –
        • Ballast Tank
          • Zinc
          • Aluminum
        • Pier & Piling
          • Zinc
          • Aluminum
      • –
        • Underground
          • Zinc
          • Aluminum
        • Water Screens
          • Zinc
          • Aluminum
      • –
        • UCorr
          • MSS Anodes
    • Magnesium Anodes
    • New Products
    • Download Catalogue
    • About Us
    • Contact Us
    • Resources
    • Dealer Information