Sacrificial Anodes
Sacrificial Anodes
Marine sacrificial anodes for corrosion protection. Find zinc anodes, aluminum anodes, and magnesium anodes to protect your engine, outdrive, propeller, shaft, and underwater metal components from galvanic corrosion with high-quality replacement anodes in various sizes and configurations for saltwater and freshwater applications.
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⚠️ Always confirm anode material, dimensions, and application for your water type and vessel setup.
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Martyr Zinc Donut Anode 1-3/8" ID x 1-1/4" x 3" CMT-C06
Martyr CMT-C06 zinc donut shaft anode, 1-3/8" ID × 1-1/4" × 3". Sacrificial zinc anode for marine propeller shaft corrosion protection. Match by sh...
View full detailsMartyr Zinc Donut shaft Anode 3" ID x 1-1/2" x 5" CMT-C13
Martyr CMT-C13 zinc donut shaft anode, 3" ID × 1-1/2" × 5". OEM-grade sacrificial zinc anode for marine propeller shaft corrosion protection. Match...
View full detailsZinc Shaft Collar Anode 30mm ID – CMT-C30
Martyr Zinc Shaft Collar Anode 30mm ID – CMT-C30Sacrificial zinc donut/collar anode for 30mm metric propeller shafts. Slides over the shaft to prot...
View full detailsZinc Shaft Collar Anode 7/8" ID x 1" x 2-1/8" – CMT-C02
Martyr CMT-C02 is a zinc limited-clearance shaft collar anode designed for 7/8" propeller shafts. This split collar shaft anode helps protect prope...
View full detailsZinc Diver's Dream HD Hull Anode 1" x 12" x 6" – CMT-DIVERHZ
Martyr CMT-DIVERHZ is a zinc Diver’s Dream heavy-duty hull anode measuring 1" x 12" x 6". This bolt-on hull/transom-style sacrificial anode is desi...
View full detailsAluminum Hull Strap Anode 5" x 2-1/4" x 1" – CMT-Z06AZ
Martyr CMT-Z06AZ is an aluminum-strap zinc hull anode designed for weld-on hull and structure protection in saltwater service. This semi-streamline...
View full detailsZinc Hull Strap Anode 12" x 3" x 1-1/4" – CMT-Z03SZ
Martyr CMT-Z03SZ is a zinc hull strap anode designed for weld-on hull and structure protection in saltwater service. This semi-streamlined strap-st...
View full detailsZinc Hull Strap Anode 5" x 2-1/4" x 1" – CMT-Z06SZ
Martyr CMT-Z06SZ is a zinc hull strap anode designed for weld-on hull and structure protection in saltwater service. This semi-streamlined strap-st...
View full detailsZinc OMC Long Bar Trim/Tilt Anode – CMT-433580Z
Martyr CMT-433580Z is a zinc long bar trim/tilt anode designed for OMC, Johnson, and Evinrude power trim and tilt bracket applications. This is a b...
View full detailsZinc OMC Waffle Bar Anode – CMT-367Z
Martyr CMT-E00 is a zinc pencil anode sized 1/8" NPT x 1/4" x 2", designed to help protect marine engine cooling passages, heat exchangers, oil coo...
View full detailsZinc Pencil Anode 1/8" NPT x 1/4" x 2" – CMT-E00
Martyr CMT-E00 is a zinc pencil anode sized 1/8" NPT x 1/4" x 2", designed to help protect marine engine cooling passages, heat exchangers,...
View full detailsZinc Pencil Anode 3/4" NPT x 3/4" x 3-3/8" – CMT-E4
Martyr CMT-E4 is a zinc pencil anode sized 3/4" NPT x 3/4" x 3-3/8", used to help protect marine engine cooling passages, heat exchangers, oil cool...
View full detailsZinc Pencil Anode 3/8" NPT x 1/2" x 1" – CMT-E1G
Martyr Zinc Pencil Anode 3/8" NPT × 1/2" × 1" – CMT-E1GShort-body sacrificial zinc pencil anode for engine cooling systems, heat exchangers, and ra...
View full detailsZinc Pencil Anode 3/8" NPT x 1/2" x 2" – CMT-E1
Martyr CMT-E1 is a zinc pencil anode sized 3/8" NPT x 1/2" x 2", used to help protect marine engine cooling passages, heat exchangers, and related ...
View full detailsZinc Plate Anode 3/4" x 6" x 12" – CMT-P075612Z
Martyr CMT-P075612Z is a zinc plate anode measuring 3/4" x 6" x 12", built for sacrificial corrosion protection on properly bonded metal surfaces i...
View full detailsZinc Propeller Nut Assembly A 1/2"-NC13 – CMT-PNAZC13
Martyr CMT-PNAZC13 is a zinc propeller nut assembly designed for shaft-driven propeller applications using a 1/2"-13 NC thread. This complete zinc/...
View full detailsZinc Propeller Nut Anode A – CMT-PNZA
The Martyr CMT-PNZA is a zinc replacement propeller nut anode in the A-style pattern, designed to help protect propeller shafts and propellers from...
View full detailsZinc Propeller Nut Anode B – CMT-PNZB
The Martyr CMT-PNZB is a zinc replacement propeller nut anode in the B-style pattern, designed to help protect propeller shafts and propellers from...
View full detailsZinc Propeller Nut C Replacement – CMT-PNZC
The Martyr CMT-PNZC is a zinc replacement propeller nut anode in the C-style pattern, designed to help protect propeller shafts and propellers from...
View full detailsMartyr Zinc Propeller Nut Replacement F Style CMT-PNZF
The Martyr CMT-PNZF is a zinc replacement propeller nut anode in the F-style pattern, designed to help protect propeller shafts and propellers from...
View full detailsMartyr Zinc Propeller Nut Anode H Style Replacement CMT-PNZH
Martyr zinc sacrificial propeller nut replacement anode (part #CMT-PNZH / PN-H-ZN), H-style pattern. Replacement anode only — not the complete prop...
View full detailsMartyr Zinc Thruster Body Anode Side-Power 71190A CMT-SGSL565Z
The Martyr CMT-SGSL565Z is a zinc thruster body anode for select Side-Power / Sleipner bow thruster applications. It cross-references to Side-Power...
View full detailsMartyr Zinc Thruster Propeller Anode Side-Power 201180 CMT-SGSP626Z
The Martyr CMT-SGSP626Z is a zinc thruster propeller anode for select Side-Power / Sleipner thruster applications. It cross-references to Side-Powe...
View full detailsMartyr Zinc Streamlined Shaft Anode 1in 25mm CMT-X03
Martyr zinc streamlined shaft anode (part #CMT-X03) for 1" (25mm) propeller shafts. Split clamp-on design with streamlined profile to minimize drag...
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