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Sacrificial Anodes

Marine Sacrificial Anodes & Corrosion Protection

Shop Marine Sacrificial Anodes

Find zinc anodes, aluminum anodes, magnesium anodes, anode kits, shaft anodes, trim tab anodes, engine anodes, outdrive anodes, propeller anodes, and installation hardware for corrosion protection in saltwater, brackish water, and freshwater applications.

Shop Sacrificial Anodes Zinc Anodes Anode Kits
Material Guide

Match anode material to your water type, then confirm dimensions, mounting style, and exact application.

Read Corrosion Protection Guide

Always confirm anode material, dimensions, fastener style, and application for your vessel, drive, engine, shaft, or underwater hardware.

Volvo Penta Mercury / MerCruiser Yanmar Crusader Indmar PCM Shaft Anodes Trim Tab Anodes Outdrive Anodes Propeller Anodes Engine Anodes

Top OEM Anode Searches

Volvo Penta Mercury / MerCruiser Yanmar Crusader Indmar PCM

Highlighted Anode Categories

Zinc AnodesCommon saltwater protection Aluminum AnodesSaltwater and brackish use Magnesium AnodesFreshwater applications Anode KitsMatched service sets Shaft AnodesProp shaft protection Trim Tab AnodesTabs and planes Engine AnodesCooling-system protection Outdrive AnodesSterndrive protection Propeller AnodesProp and hub protection

Browse Fast

Shop by Anode Category

Choose the anode material, kit, or application that matches your water type and the metal component you need to protect.

All Sacrificial Anodes Zinc Anodes Aluminum Anodes Magnesium Anodes Anode Kits Shaft Anodes Installation Hardware

Why It Matters

Anodes Help Protect Underwater Metals from Corrosion

Sacrificial anodes are designed to corrode before more valuable underwater metals such as shafts, propellers, trim tabs, outdrives, thru-hulls, and engine cooling components.

Using the correct anode material and replacing anodes before they are fully consumed helps reduce galvanic corrosion and supports longer component life.

H2O

Match Water Type

Zinc is commonly used for saltwater, aluminum can work in saltwater and brackish water, and magnesium is typically used for freshwater applications.

FIT

Confirm Shape and Size

Check diameter, length, hole spacing, thread, mounting hardware, contact surface, and whether the anode fits a shaft, tab, drive, engine, or propeller.

KIT

Use Kits When Possible

Anode kits help replace multiple matched pieces on a drive or engine at the same time, reducing missed parts during seasonal service.

Parts Desk Guidance

Single Anode or Complete Kit?

If one anode is damaged, missing, or consumed faster than the rest, a single replacement may be enough. For seasonal service or unknown history, a complete anode kit can be the better choice because it refreshes all key protection points together.

Choose zinc anodes For many saltwater applications where zinc is specified by the manufacturer or existing setup.
Choose aluminum anodes For many saltwater and brackish applications, especially where aluminum anodes are specified for drives or kits.
Choose magnesium anodes For freshwater applications where magnesium is required and saltwater exposure is not expected.
Choose anode kits For matched replacement sets on outdrives, engines, trim systems, thrusters, or other grouped applications.

Common Questions

Sacrificial Anode Buying Help

How do I choose the correct anode material?

Start with the water type and manufacturer recommendation. Zinc is often used in saltwater, aluminum is common for saltwater or brackish use, and magnesium is typically for freshwater.

When should sacrificial anodes be replaced?

Replace anodes when they are heavily wasted, loose, damaged, missing, or near half consumed. Inspect them regularly and during seasonal service.

Can I mix zinc, aluminum, and magnesium anodes?

Avoid mixing anode materials on the same bonded system unless the manufacturer specifically allows it. Mixed materials can reduce protection or cause uneven performance.

Why do anode dimensions matter?

Anodes need solid metal-to-metal contact and the correct mounting shape. Wrong dimensions, paint, loose fasteners, or poor contact can prevent proper protection.

Ready to Find Your Part?

Search Zinc, Aluminum, Magnesium Anodes & Kits

Use the collection page or search by water type, brand, application, kit, drive model, shaft size, or existing part number.

Shop All Anodes Corrosion Guide Volvo Penta Mercury / MerCruiser Yanmar Crusader Indmar PCM

Filters

Seachoice 95331 Anode Kit, Volvo DPS/SXA Engines, Aluminum, Cadmium-Free, Environmentally Friendly

Seachoice Anode Kit – Volvo Penta DPS / SX-A Drives, Aluminum | Saltwater

$116.11 - $116.11
$116.11
$116.11 - $116.11
$116.11
Item locally warehoused

Seachoice Anode Kit – Volvo Penta DPS / SX-A Drives, Aluminum | SaltwaterThis aluminum anode kit is designed for a wide range of Volvo Penta DPS an...

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$116.11 - $116.11
$116.11
$116.11 - $116.11
$116.11
Seachoice Anode Kit, Volvo DPH/DPR Engines, Aluminum, Cadmium-Free, Environmentally Friendly

Seachoice Anode Kit – Volvo Penta DPH/DPR Dual-Prop Drive, Aluminum | Saltwater

$63.59 - $63.59
$63.59
$63.59 - $63.59
$63.59
Item locally warehoused

Seachoice Anode Kit – Volvo Penta DPH/DPR Dual-Prop Drive, Aluminum | SaltwaterThis aluminum anode kit is designed specifically for Volvo Penta DPH...

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$63.59 - $63.59
$63.59
$63.59 - $63.59
$63.59
Seachoice 95421 Honda BF Anode Kit

Seachoice Anode Kit – Honda BF Series Outboard, Magnesium | Freshwater

$124.99 - $124.99
$124.99
$124.99 - $124.99
$124.99
Item locally warehoused

Seachoice Anode Kit – Honda BF Series Outboard, Magnesium | FreshwaterThis magnesium anode kit is designed for Honda BF series outboard motors used...

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$124.99 - $124.99
$124.99
$124.99 - $124.99
$124.99
Seachoice 95654 Hull Plate Anode Z406

Seachoice Hull Plate Anode Z406 – Zinc | Saltwater & Brackish Water

$105.49 - $105.49
$105.49
$105.49 - $105.49
$105.49
Item locally warehoused

Seachoice Hull Plate Anode Z406 – Zinc | Saltwater & Brackish WaterThe Seachoice Hull Plate Anode Z406 is a zinc sacrificial anode designed to ...

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$105.49 - $105.49
$105.49
$105.49 - $105.49
$105.49
Seachoice 95638 Streamlined Shaft Anode w/Allen Screw, Magnesium, Model X9, Size 2"

Seachoice Streamlined Shaft Anode with Allen Screw – 2" (Model X9), Magnesium | Freshwater

$57.89 - $57.89
$57.89
$57.89 - $57.89
$57.89
Item locally warehoused

Seachoice Streamlined Shaft Anode with Allen Screw – 2" (Model X9), Magnesium | FreshwaterThe Seachoice Streamlined Shaft Anode is a single-piece s...

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$57.89 - $57.89
$57.89
$57.89 - $57.89
$57.89
Seachoice 95627 Streamlined Shaft Anode w/Allen Screw, Magnesium, Model X5, Size 1-1/4"

Seachoice Streamlined Shaft Anode with Allen Screw – 1¼" (Model X5), Magnesium | Freshwater

$25.29 - $25.29
$25.29
$25.29 - $25.29
$25.29
Item locally warehoused

Seachoice Streamlined Shaft Anode with Allen Screw – 1¼" (Model X5), Magnesium | FreshwaterThe Seachoice Streamlined Shaft Anode is a single-piece ...

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$25.29 - $25.29
$25.29
$25.29 - $25.29
$25.29
Seachoice 95633 Streamlined Shaft Anode w/Allen Screw, Magnesium, Model X7, Size 1-1/2"

Seachoice Streamlined Shaft Anode with Allen Screw – 1½" (Model X7), Magnesium | Freshwater

$32.89 - $32.89
$32.89
$32.89 - $32.89
$32.89
Item locally warehoused

Seachoice Streamlined Shaft Anode with Allen Screw – 1½" (Model X7), Magnesium | FreshwaterThe Seachoice Streamlined Shaft Anode is a single-piece ...

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$32.89 - $32.89
$32.89
$32.89 - $32.89
$32.89
Seachoice 95081 Anode Kit, Mercruiser Bravo III (2004-Present), Aluminum, Cadmium-Free, Environmentally Friendly

Seachoice Anode Kit – Mercruiser Bravo III (2004–Present), Aluminum | Saltwater

$100.04 - $100.04
$100.04
$100.04 - $100.04
$100.04
Item locally warehoused

Seachoice Anode Kit – Mercruiser Bravo III (2004–Present), Aluminum | SaltwaterThis complete aluminum anode kit is designed specifically for Mercru...

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$100.04 - $100.04
$100.04
$100.04 - $100.04
$100.04
Seachoice Anode Kit, Volvo/OMC SX Engines, Aluminum, Cadmium-Free, Environmentally Friendly

Seachoice Anode Kit – Volvo Penta / OMC SX & DP-SM Drives, Aluminum | Saltwater

$102.33 - $102.33
$102.33
$102.33 - $102.33
$102.33
Item locally warehoused

Seachoice Anode Kit – Volvo Penta / OMC SX & DP-SM Drives, Aluminum | SaltwaterThis aluminum anode kit is designed for Volvo Penta SX, OMC SX, ...

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$102.33 - $102.33
$102.33
$102.33 - $102.33
$102.33
Seachoice 95061 Anode Kit, Mercruiser Bravo II (1989-Present)/III (1989-2003), Aluminum, Cadmium-Free, Environmentally Friendly

Seachoice Anode Kit – Mercruiser Bravo II (1989+) / Bravo III (1989–2003), Aluminum | Saltwater

$73.70 - $73.70
$73.70
$73.70 - $73.70
$73.70
Item locally warehoused

Seachoice Anode Kit – Mercruiser Bravo II (1989+) / Bravo III (1989–2003), Aluminum | SaltwaterThis complete aluminum anode kit is designed for Mer...

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$73.70 - $73.70
$73.70
$73.70 - $73.70
$73.70
Seachoice Hull Plate Anode, Magnesium, Fresh Water Use, 12 in. X 5 in. X 1/2 in.

Seachoice Hull Plate Anode – 12" × 5" × ½", Magnesium | Freshwater

$82.39 - $82.39
$82.39
$82.39 - $82.39
$82.39
Item locally warehoused

Seachoice Hull Plate Anode – 12" × 5" × ½", Magnesium | FreshwaterThe Seachoice Hull Plate Anode is a large flat sacrificial anode designed to moun...

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$82.39 - $82.39
$82.39
$82.39 - $82.39
$82.39
Seachoice Anode Kit, Yamaha 200-250hp, Magnesium, Fresh Water Use, Cadmium-Free, Environmentally Friendly

Seachoice Anode Kit – Yamaha 200–250 hp Outboard, Magnesium | Freshwater

$58.99 - $58.99
$58.99
$58.99 - $58.99
$58.99
Item locally warehoused

Seachoice Anode Kit – Yamaha 200–250 hp Outboard, Magnesium | FreshwaterThis magnesium anode kit is designed specifically for Yamaha 200–250 hp out...

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$58.99 - $58.99
$58.99
$58.99 - $58.99
$58.99
Seachoice 95091 Anode Kit, Mercruiser Bravo III (2004-Present), Magnesium Fresh Water Use, Cadmium-Free, Environmentally Friendly

Seachoice Anode Kit – Mercruiser Bravo III (2004–Present), Magnesium | Freshwater

$160.69 - $160.69
$160.69
$160.69 - $160.69
$160.69
Item locally warehoused

Seachoice Anode Kit – Mercruiser Bravo III (2004–Present), Magnesium | FreshwaterThis complete magnesium anode kit is designed specifically for Mer...

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$160.69 - $160.69
$160.69
$160.69 - $160.69
$160.69
Seachoice 95381 Volvo Anode Kit, Magnesium, Fits SXA/DPSA

Seachoice Anode Kit – Volvo Penta DPS / SX-A Drives, Magnesium | Freshwater

$78.79 - $78.79
$78.79
$78.79 - $78.79
$78.79
Item locally warehoused

Seachoice Anode Kit – Volvo Penta DPS / SX-A Drives, Magnesium | FreshwaterThis magnesium anode kit is designed for a wide range of Volvo Penta DPS...

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$78.79 - $78.79
$78.79
$78.79 - $78.79
$78.79
Seachoice 95041 Anode Kit, Mercruiser Bravo One, Aluminum, Cadmium-Free, Environmentally Friendly

Seachoice Anode Kit – Mercruiser Bravo One (1988 & Newer), Aluminum | Saltwater

$100.04 - $100.04
$100.04
$100.04 - $100.04
$100.04
Item locally warehoused

Seachoice Anode Kit – Mercruiser Bravo One (1988 & Newer), Aluminum | SaltwaterThis complete aluminum anode kit is designed specifically for Me...

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$100.04 - $100.04
$100.04
$100.04 - $100.04
$100.04
Seachoice 95001 Anode Kit, Mercruiser Alpha One (1984-1990), Aluminum, Cadmium-Free, Environmentally Friendly

Seachoice Anode Kit – Mercruiser Alpha One Gen I (1984–1990), Aluminum

$60.29 - $60.29
$60.29
$60.29 - $60.29
$60.29
Item locally warehoused

Seachoice Anode Kit – Mercruiser Alpha One Gen I (1984–1990), AluminumThis complete aluminum anode kit is designed specifically for Mercruiser MR a...

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$60.29 - $60.29
$60.29
$60.29 - $60.29
$60.29
Seachoice 95021 Anode Kit, Mercruiser Alpha One Gen II (1991 & Newer), Aluminum, Cadmium-Free, Environmentally Friendly

Seachoice Anode Kit – Mercruiser Alpha One Gen II (1991 & Newer), Aluminum | Saltwater

$103.89 - $103.89
$103.89
$103.89 - $103.89
$103.89
Item locally warehoused

Seachoice Anode Kit – Mercruiser Alpha One Gen II (1991 & Newer), Aluminum | SaltwaterThis complete aluminum anode kit is designed specifically...

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$103.89 - $103.89
$103.89
$103.89 - $103.89
$103.89
Seachoice 95011 Anode Kit, Mercruiser Alpha One (1984-1990), Magnesium, Fresh Water Use, Cadmium-Free, Environmentally Friendly

Seachoice Anode Kit – Mercruiser Alpha One Gen I (1984–1990), Magnesium | Freshwater

$119.99 - $119.99
$119.99
$119.99 - $119.99
$119.99
Item locally warehoused

Seachoice Anode Kit – Mercruiser Alpha One Gen I (1984–1990), Magnesium | FreshwaterThis complete magnesium anode kit is designed specifically for ...

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$119.99 - $119.99
$119.99
$119.99 - $119.99
$119.99
Seachoice 95071 Anode Kit, Mercruiser Bravo II(1989-Present)/III (1989-2003), Magnesium Fresh Water Use, Cadmium-Free, Environmentally Friendly

Seachoice Anode Kit – Mercruiser Bravo II (1989+) / Bravo III (1989–2003), Magnesium | Freshwater

$145.99 - $145.99
$145.99
$145.99 - $145.99
$145.99
Item locally warehoused

Seachoice Anode Kit – Mercruiser Bravo II (1989+) / Bravo III (1989–2003), Magnesium | FreshwaterThis complete magnesium anode kit is designed for ...

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$145.99 - $145.99
$145.99
$145.99 - $145.99
$145.99
Seachoice 95031 Anode Kit, Mercruiser Alpha One Gen II (1991 & Newer), Magnesium, Fresh Water Use, Cadmium-Free, Environmentally Friendly

Seachoice Anode Kit – Mercruiser Alpha One Gen II (1991 & Newer), Magnesium | Freshwater

$134.79 - $134.79
$134.79
$134.79 - $134.79
$134.79
Item locally warehoused

Seachoice Anode Kit – Mercruiser Alpha One Gen II (1991 & Newer), Magnesium | FreshwaterThis complete magnesium anode kit is designed specifica...

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$134.79 - $134.79
$134.79
$134.79 - $134.79
$134.79
Seachoice 95051 Anode Kit, Mercruiser Bravo One, Magnesium, Fresh Water Use, Cadmium-Free, Environmentally Friendly

Seachoice Anode Kit – Mercruiser Bravo One (1988 & Newer), Magnesium | Freshwater

$136.39 - $136.39
$136.39
$136.39 - $136.39
$136.39
Item locally warehoused

Seachoice Anode Kit – Mercruiser Bravo One (1988 & Newer), Magnesium | FreshwaterThis complete magnesium anode kit is designed specifically for...

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$136.39 - $136.39
$136.39
$136.39 - $136.39
$136.39

CMP Global Zinc Propnut Anode G-Style 1-3/4" Shaft - ZPN-GZ

$41.82 - $41.82
$41.82
$41.82 - $41.82
$41.82
Only 4 left!

The CMP Global ZPN-GZ Zinc Propnut Anode is a zinc-only replacement sacrificial anode designed for compatible G-style propnut assemblies on marine ...

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$41.82 - $41.82
$41.82
$41.82 - $41.82
$41.82

MerCruiser Alpha One Gen II Aluminum Anode Kit - Alpha1G2-Kit-AL

$97.83 - $97.83
$97.83
$97.83 - $97.83
$97.83
Only 2 left!

The Alpha One Gen II Aluminum Anode Kit Alpha1G2-Kit-AL is a complete sacrificial anode kit for MerCruiser Alpha One Generation II sterndrives. Thi...

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$97.83 - $97.83
$97.83
$97.83 - $97.83
$97.83

Martyr MerCruiser Alpha One Gen I Aluminum Anode Kit - ALU-A1KA

$30.00 - $30.00
$30.00
$30.00 - $30.00
$30.00
Only 4 left!

The Martyr ALU-A1KA is an aluminum sacrificial anode kit for MerCruiser Alpha One Generation I sterndrives. This kit is designed to replace key fac...

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$30.00 - $30.00
$30.00
$30.00 - $30.00
$30.00

MerCruiser Alpha One Gen II Zinc Anode Kit - Alpha1G2-Kit-ZN

$98.86 - $98.86
$98.86
$98.86 - $98.86
$98.86
Only 2 left!

The Alpha One Gen II Zinc Anode Kit Alpha1G2-Kit-ZN is a complete sacrificial anode kit for MerCruiser Alpha One Generation II sterndrives used in ...

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$98.86 - $98.86
$98.86
$98.86 - $98.86
$98.86

Mercury Quicksilver Outboard Aluminum Anode Set - 97-42121Q02

$23.10 - $23.10
$23.10
$23.10 - $23.10
$23.10
Only 1 left!

The Mercury MerCruiser Quicksilver 42121Q02 is a genuine Mercury Marine OEM aluminum sacrificial anode set used on select small Mercury, Mariner, a...

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$23.10 - $23.10
$23.10
$23.10 - $23.10
$23.10

Yamaha Gasket 67F-11328-00-00

$3.16 - $3.16
$3.16
$3.16 - $3.16
$3.16
8 in stock

The Yamaha 67F-11328-00-00 Gasket is a genuine OEM sealing gasket used with select Yamaha outboard internal anode installations. It fits Yamaha ano...

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$3.16 - $3.16
$3.16
$3.16 - $3.16
$3.16

Mercury Quicksilver Zinc Trim Tab Anode 17264T2

$50.77 - $50.77
$50.77
$50.77 - $50.77
$50.77
Only 4 left!

Overview Part Number: 17264T2 Brand: Mercury / Quicksilver Official Product Type: Zinc Trim Tab Anode Supersedes: 17264C1, F755457 GTIN / UPC: 7450...

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$50.77 - $50.77
$50.77
$50.77 - $50.77
$50.77

Mercury MerCruiser Aluminum Trim Tab Anode 8M0236553

$41.30 - $41.30
$41.30
$41.30 - $41.30
$41.30
Only 1 left!

Mercury MerCruiser Quicksilver 8M0236553 is a genuine OEM aluminum trim tab anode for select Mercury and MerCruiser applications. Mercury’s current...

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$41.30 - $41.30
$41.30
$41.30 - $41.30
$41.30

Volvo Penta SX Zinc Anode Kit VPSXKZ

$117.20 - $117.20
$117.20
$117.20 - $117.20
$117.20
Only 1 left!

VPSXKZ is a zinc anode kit for Volvo Penta SX and DP-SM sterndrive applications. Current reviewed equivalent-kit references consistently describe t...

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$117.20 - $117.20
$117.20
$117.20 - $117.20
$117.20

Volvo Penta 280/280SP Zinc Anode Kit VP280KZ

$88.85 - $88.85
$88.85
$88.85 - $88.85
$88.85
Only 1 left!

VP280KZ is a zinc anode kit for Volvo Penta 280 and 280SP sterndrive applications. Current reviewed references for equivalent 280 zinc-anode kits i...

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$88.85 - $88.85
$88.85
$88.85 - $88.85
$88.85

Volvo Penta Corrosion Protection / Zinc Anode 855105

$45.50 - $45.50
$45.50
$45.50 - $45.50
$45.50
Only 1 left!

Volvo Penta 855105 is a genuine corrosion-protection part used as a sacrificial anode in Volvo Penta marine applications. Current Volvo Penta refer...

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$45.50 - $45.50
$45.50
$45.50 - $45.50
$45.50
Martyr CMDIVERMINI hull anode
Sold out

Canada Metals Martyr Diver's Dream Hull Anode Zinc 12x6x1/2 CMDIVERZ

$86.79 - $86.79
$86.79
$86.79 - $86.79
$86.79
Out of stock

Canada Metals Martyr CMDIVERZ is a Diver's Dream hull anode sized 12" x 6" x 1/2" with slotted holes. Current product listings identify it under LN...

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$86.79 - $86.79
$86.79
$86.79 - $86.79
$86.79
Sold out

Volvo Penta Exhaust Manifold Anode 21403633

$33.00 - $33.00
$33.00
$33.00 - $33.00
$33.00
Only 4 left!

Volvo Penta 21403633 is a genuine OEM aluminum anode used as an exhaust manifold anode on selected Volvo Penta gasoline marine engines. Volvo Penta...

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$33.00 - $33.00
$33.00
$33.00 - $33.00
$33.00

Volvo Penta Martyr Aluminum Anode SX-A DPX – CMT-873395A

$14.28 - $14.28
$14.28
$14.28 - $14.28
$14.28
Only 1 left!

Martyr Aluminum Anode – CMT-873395AMartyr aluminum sacrificial anode for Volvo Penta SX-A and DPX sterndrive units. Protects the drive from galvani...

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$14.28 - $14.28
$14.28
$14.28 - $14.28
$14.28

Yanmar Zinc Anode Gasket – 123210-09310

$5.66 - $5.66
$5.66
$5.66 - $5.66
$5.66
Only 2 left!

Yanmar OEM Zinc Anode Gasket – 123210-09310Genuine Yanmar OEM gasket for zinc pencil anode installations on Yanmar marine diesel engines. Seals the...

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$5.66 - $5.66
$5.66
$5.66 - $5.66
$5.66
Sold out

Yanmar Zinc Engine Anode – 119574-18790-01

$15.41 - $15.41
$15.41
$15.41 - $15.41
$15.41
Out of stock

Yanmar 119574-18790-01 is a zinc pencil-style engine anode used in select Yanmar marine diesel applications. Public listings consistently identify ...

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$15.41 - $15.41
$15.41
$15.41 - $15.41
$15.41
Sold out

Martyr Aluminum Anode Bar CMT-852835A

$34.64 - $34.64
$34.64
$34.64 - $34.64
$34.64
9 in stock

The Martyr Aluminum Anode Bar CMT-852835A is a replacement transom / bar-style sacrificial anode for Volvo Penta 290 Series sterndrive applications...

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$34.64 - $34.64
$34.64
$34.64 - $34.64
$34.64
Sold out

Yanmar Zinc Anode 119574-44150

$13.40 - $13.40
$13.40
$13.40 - $13.40
$13.40
Out of stock

Yanmar 119574-44150 is a genuine OEM zinc engine anode used in Yanmar marine diesel cooling-system applications. It is commonly described as a smal...

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$13.40 - $13.40
$13.40
$13.40 - $13.40
$13.40
Sold out

Martyr Zinc Style B Round Hull Anode 2" 3/8" Hole CMT-H2B25GZ

$17.74 - $17.74
$17.74
$17.74 - $17.74
$17.74
Only 1 left!

Martyr CMT-H2B25GZ zinc Style B round hull anode, 2" diameter with 3/8" mounting hole. Sacrificial zinc anode for hull corrosion protection. Match ...

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$17.74 - $17.74
$17.74
$17.74 - $17.74
$17.74

Martyr Zinc Bennett Trim Tab Anode Kit (2) 3.78" CMT-BNT1AKITZ

$62.21 - $62.21
$62.21
$62.21 - $62.21
$62.21
7 in stock

Martyr CMT-BNT1AKITZ zinc anode kit for Bennett trim tabs, 3.78" — includes 2 anodes. Sacrificial zinc anodes designed to fit Bennett trim tab syst...

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$62.21 - $62.21
$62.21
$62.21 - $62.21
$62.21

Martyr Zinc Bolt-On Round Plate Hull Anode 4" x 1" CMT-RP4Z

$59.47 - $59.47
$59.47
$59.47 - $59.47
$59.47
11 in stock

Martyr CMT-RP4Z zinc bolt-on round plate hull anode, 4" diameter × 1" thick. Sacrificial zinc anode for hull corrosion protection. Easy bolt-on ins...

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$59.47 - $59.47
$59.47
$59.47 - $59.47
$59.47
Sold out

Martyr Zinc Diver's Dream Hull Anode 1/2" x 12" x 6" CMT-DIVERZ

$101.62 - $101.62
$101.62
$101.62 - $101.62
$101.62
Out of stock

Martyr CMT-DIVERZ zinc Diver's Dream hull anode, 1/2" × 12" × 6". Large flat plate sacrificial zinc anode for hull corrosion protection. Easy bolt-...

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$101.62 - $101.62
$101.62
$101.62 - $101.62
$101.62
Sold out

Martyr Zinc Diver's Dream Hull Anode 1/2" x 4" x 6" CMT-DIVERMINI

$42.57 - $42.57
$42.57
$42.57 - $42.57
$42.57
20 in stock

Martyr CMT-DIVERMINI zinc Diver's Dream hull anode, 1/2" × 4" × 6". Flat plate sacrificial zinc anode for hull corrosion protection. Easy bolt-on i...

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$42.57 - $42.57
$42.57
$42.57 - $42.57
$42.57

Martyr Zinc Donut Anode 1-1/2" ID x 1-1/4" x 3" CMT-C07

$33.02 - $33.02
$33.02
$33.02 - $33.02
$33.02
22 in stock

Martyr CMT-C07 zinc donut shaft anode, 1-1/2" ID × 1-1/4" × 3". Sacrificial zinc anode for marine propeller shaft corrosion protection. Match by sh...

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$33.02 - $33.02
$33.02
$33.02 - $33.02
$33.02

Martyr Zinc Donut Anode 1-1/4" ID x 1-1/4" x 2.5" CMT-C05

$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99
Only 2 left!

Martyr CMT-C05 zinc donut shaft anode, 1-1/4" ID × 1-1/4" × 2.5". Sacrificial zinc anode for marine propeller shaft corrosion protection. Match by ...

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$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99

Martyr Zinc Donut Anode 1-3/8" ID x 1-1/4" x 3" CMT-C06

$33.50 - $33.50
$33.50
$33.50 - $33.50
$33.50
Only 5 left!

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...

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$33.50 - $33.50
$33.50
$33.50 - $33.50
$33.50

Martyr Zinc Donut shaft Anode 3" ID x 1-1/2" x 5" CMT-C13

$82.46 - $82.46
$82.46
$82.46 - $82.46
$82.46
Only 4 left!

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...

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$82.46 - $82.46
$82.46
$82.46 - $82.46
$82.46