Looking for the best sacrificial anodes for your outboard motor? We’ve researched and tested top-rated options to help you find the perfect, durable, and easy-to-install protection for your boat.
Sacrificial anodes are essential for protecting your outboard motor from corrosion. They work by sacrificing themselves to keep your engine safe. This guide will help you find the best anodes for your boat.
We’ve researched and tested top-rated anodes to make your choice easy. Whether you have a Yamaha, Mercury, or Suzuki outboard, we’ve got you covered. Our picks are durable, easy to install, and highly effective.
Discover the perfect anode to keep your motor running smoothly. Let’s dive in and find the best protection for your boat!
List of Top 10 Sacrificial Anodes for Outboards
| Image | Title | Best For | Price |
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MARTYR Anodes, CM818298Z, Zinc Mercury Mercruiser Bar Anode (7.62 L x 2 W x 0.47 H) – Marine Boat Sacrificial Anode for Saltwater Corrosion Protection |
This MARTYR Anode is perfect for boat owners who want to protect their vessels from saltwater corrosion. It’s ideal for ocean-going boats made of iron, steel, aluminum, or magnesium. |
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QuickMarine 6E5-45371-01 Boat Motor Trim Tab Anode with Bolt for Yamaha 115 130 HP Outboard Models replaces 6E5-45371-10 Sierra 18-6097 Marine Engine |
This QuickMarine Trim Tab Anode is perfect for boat owners with Yamaha 115 or 130 HP outboard motors (1984-2004) who want to protect their trim tabs from corrosion and improve steering. It’s also great for those needing a replacement for worn-out anodes. |
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US Marine Products LLC Aluminum Anode Kit for Honda BF 135 HP – 250 HP Includes Hardware |
This Aluminum Anode Kit is perfect for boat owners with Honda BF 135 HP – 250 HP engines. It’s easy to install and protects your engine from corrosion. |
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Qonsy 688-45371-02 Zinc Trim Tab Anode with Mounting Bolt for Yamaha 60HP 65HP 70HP 75HP 80HP 85HP 90HP Outboard Motor Replaces 67F-45371-00-00 6K5-45251-00 Sierra 18-6070 |
This zinc trim tab anode is perfect for boat owners with Yamaha outboard motors from 50HP to 90HP. It’s ideal for those in saltwater environments who want to protect their engine from corrosion. |
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8M0107550 Aluminum Anode Kit Replacement for Mercury Verado & Optimax outboards |
This 8M0107550 Aluminum Anode Kit is perfect for boat owners with Mercury Verado or Optimax outboards. It’s ideal for those needing a quick, easy fix to replace worn-out anodes and protect their engines from corrosion. |
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Boat Motor 6G5-45251-00 6G5-45251-01 6G5-45251-02 Anode for Yamaha Outboard Engine 150HP-250HP,for Sierra 18-6090 |
This Boat Motor Anode is perfect for boat owners with Yamaha Outboard Engines ranging from 150HP to 250HP. If you need a reliable replacement for your engine’s anode, this aluminum alloy part is a great fit. |
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Martyr Anodes, CMR03AL, Aluminum Rudder & Trim Tab Anode with Allen Screw – Marine Boat Sacrificial Anode for Saltwater & Brackish Corrosion Protection |
Martyr Anodes CMR03AL is perfect for boat owners who want strong protection against saltwater and brackish water corrosion. It’s ideal for ocean-going vessels and marine equipment made of metals like steel or aluminum. |
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Quicksilver 8M6007985 Aluminum Anode Kit for Yamaha 200-250hp Outboards |
This Quicksilver Aluminum Anode Kit is perfect for boat owners with Yamaha 200-250hp outboards. It protects your engine from corrosion in fresh or saltwater, saving you money on maintenance. |
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Quicksilver 8M6007994 Aluminum Anode Kit for Suzuki 90-140hp Outboards |
This Quicksilver Aluminum Anode Kit is perfect for boat owners with Suzuki 90-140hp outboards. It protects your engine from corrosion in fresh or saltwater, saving you money on maintenance. |
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6E5-45371-10-00 Trim Tab Zinc Anode Replacement for Yamaha Outboard Engine 60-200HP |
This Trim Tab Zinc Anode Replacement is perfect for boat owners with a Yamaha Outboard Engine between 60-200HP. It’s easy to install and comes with a 12-month warranty, making it a reliable choice for marine maintenance. |
Detailed Reviews
Discover the top 10 sacrificial anodes for outboards, carefully selected for maximum protection and value. Each product is expert-reviewed and backed by customer feedback, ensuring you get the best fit for your boat. Whether you prioritize durability, ease of installation, or affordability, this guide has you covered. Dive in to find the perfect anode to keep your outboard engine safe and corrosion-free.
1. MARTYR Anodes, CM818298Z, Zinc Mercury Mercruiser Bar Anode (7.62 L x 2 W x 0.47 H) – Marine Boat Sacrificial Anode for Saltwater Corrosion Protection

The MARTYR Anodes CM818298Z is a zinc mercury anode designed to protect your marine boat from saltwater corrosion. It’s a sacrificial anode that works hard to keep your vessel safe.
This anode is 7.62 L x 2 W x 0.47 H and offers low-cost protection for boats and equipment made of iron, steel, aluminum, magnesium, and other metals. It’s easy to use and highly effective.
| Pros | Cons |
|---|---|
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Perfect For:
This MARTYR Anode is perfect for boat owners who want to protect their vessels from saltwater corrosion. It’s ideal for ocean-going boats made of iron, steel, aluminum, or magnesium.
Ready to Purchase?
2. QuickMarine 6E5-45371-01 Boat Motor Trim Tab Anode with Bolt for Yamaha 115 130 HP Outboard Models replaces 6E5-45371-10 Sierra 18-6097 Marine Engine

Ensure the longevity of your marine engine with the QuickMarine 6E5-45371-01 Boat Motor Trim Tab Anode with Bolt for Yamaha 115 130 HP Outboard Models. Designed specifically for the lower casing drive, this high-quality trim tab skeg anode is an essential component for Yamaha 115 and 130 HP outboard models manufactured between 1984 and 2004, as well as V6 Special models from 1985-1986.
This versatile replacement part is engineered to meet or exceed OEM standards. It directly replaces Yamaha part numbers 6E5-45371-01-00, 6E5-45371-10-00, and 6E545371. Additionally, it is fully compatible with GLM 12744, Sierra 18-6097, CMP CM6E54537101Z, and Tecnoseal 01103, making it a reliable choice for various maintenance needs.
Crafted from a durable zinc alloy, this sacrificial anode provides critical protection against galvanic corrosion by corroding in place of your motor’s vital components. Beyond protection, it delivers hydrodynamic trimming power to your outboard or stern drive, significantly aiding steering precision. Each package includes one zinc alloy trim tab anode and the necessary mounting bolt for a quick and easy installation.
| Pros | Cons |
|---|---|
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Perfect For:
This QuickMarine Trim Tab Anode is perfect for boat owners with Yamaha 115 or 130 HP outboard motors (1984-2004) who want to protect their trim tabs from corrosion and improve steering. It’s also great for those needing a replacement for worn-out anodes.
Ready to Purchase?
3. US Marine Products LLC Aluminum Anode Kit for Honda BF 135 HP – 250 HP Includes Hardware

US Marine Products LLC Aluminum Anode Kit fits Honda BF 135 HP to 250 HP engines. It helps protect key parts. It comes with hardware.
This kit replaces several Honda part numbers. It is a simple and useful choice.
| Pros | Cons |
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Perfect For:
This Aluminum Anode Kit is perfect for boat owners with Honda BF 135 HP – 250 HP engines. It’s easy to install and protects your engine from corrosion.
Ready to Purchase?
4. Qonsy 688-45371-02 Zinc Trim Tab Anode with Mounting Bolt for Yamaha 60HP 65HP 70HP 75HP 80HP 85HP 90HP Outboard Motor Replaces 67F-45371-00-00 6K5-45251-00 Sierra 18-6070

This zinc anode is a direct OEM replacement. It fits Yamaha outboard motors perfectly. The kit includes a mounting bolt.
It protects your outboard motor. This part stops saltwater corrosion.
Your engine will last longer. Installation is fast and easy. This part fits 60HP to 90HP motors.
| Pros | Cons |
|---|---|
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Perfect For:
This zinc trim tab anode is perfect for boat owners with Yamaha outboard motors from 50HP to 90HP. It’s ideal for those in saltwater environments who want to protect their engine from corrosion.
Ready to Purchase?
5. 8M0107550 Aluminum Anode Kit Replacement for Mercury Verado & Optimax outboards

8M0107550 Aluminum Anode Kit helps guard your outboard. It is a complete 4-piece kit. It comes with fast install hardware.
It fits Mercury Verado and Optimax models. It replaces worn transom and gearcase anodes. It helps keep your motor safe from corrosion.
Check the anodes often. Replace them when you see pits or wear. This kit is made for easy swap and strong protection.
| Pros | Cons |
|---|---|
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Perfect For:
This 8M0107550 Aluminum Anode Kit is perfect for boat owners with Mercury Verado or Optimax outboards. It’s ideal for those needing a quick, easy fix to replace worn-out anodes and protect their engines from corrosion.
Ready to Purchase?
6. Boat Motor 6G5-45251-00 6G5-45251-01 6G5-45251-02 Anode for Yamaha Outboard Engine 150HP-250HP,for Sierra 18-6090

Boat Motor Anode is a must-have for Yamaha Outboard Engines. It fits 150HP-250HP models. This part replaces OEM numbers 6G5-45251-00, 6G5-45251-01, and 6G5-45251-02.
Made from aluminum alloy, it’s durable and long-lasting. It’s designed for outboard engines. Always check your engine’s serial number for the right fit.
If you’re unsure, provide your engine’s serial number. This ensures you get the correct part for your boat motor.
| Pros | Cons |
|---|---|
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Perfect For:
This Boat Motor Anode is perfect for boat owners with Yamaha Outboard Engines ranging from 150HP to 250HP. If you need a reliable replacement for your engine’s anode, this aluminum alloy part is a great fit.
Ready to Purchase?
7. Martyr Anodes, CMR03AL, Aluminum Rudder & Trim Tab Anode with Allen Screw – Marine Boat Sacrificial Anode for Saltwater & Brackish Corrosion Protection

Martyr Anodes protect your boat from corrosion. They are made with high-quality materials and strict standards. This ensures maximum protection for your vessel.
Choose the right alloy for your water type. Zinc is for salt water, aluminum for brackish water, and magnesium for fresh water. Switching alloys when water conditions change keeps your boat safe.
These sacrificial anodes are a low-cost way to protect your marine investment. They work for boats, structures, and equipment made of various metals.
| Pros | Cons |
|---|---|
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Perfect For:
Martyr Anodes CMR03AL is perfect for boat owners who want strong protection against saltwater and brackish water corrosion. It’s ideal for ocean-going vessels and marine equipment made of metals like steel or aluminum.
Ready to Purchase?
8. Quicksilver 8M6007985 Aluminum Anode Kit for Yamaha 200-250hp Outboards

The Quicksilver 8M6007985 Aluminum Anode Kit is a must-have for Yamaha 200-250hp outboards. It protects your engine from galvanic corrosion in fresh or saltwater.
This kit includes everything you need: aluminum anodes, stainless hardware, and easy instructions. The anodes are durable, outlasting zinc and meeting high standards.
Replace anodes easily with common tools. Check them often to save on maintenance. Keep your boat safe and running smoothly.
| Pros | Cons |
|---|---|
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Perfect For:
This Quicksilver Aluminum Anode Kit is perfect for boat owners with Yamaha 200-250hp outboards. It protects your engine from corrosion in fresh or saltwater, saving you money on maintenance.
Ready to Purchase?
9. Quicksilver 8M6007994 Aluminum Anode Kit for Suzuki 90-140hp Outboards

Protect your motor from corrosion. This anode kit fits Suzuki outboards.
It uses high-grade aluminum. The kit is easy to install. It keeps your engine safe.
Maintain your boat easily. Buy this durable kit today.
| Pros | Cons |
|---|---|
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Perfect For:
This Quicksilver Aluminum Anode Kit is perfect for boat owners with Suzuki 90-140hp outboards. It protects your engine from corrosion in fresh or saltwater, saving you money on maintenance.
Ready to Purchase?
10. 6E5-45371-10-00 Trim Tab Zinc Anode Replacement for Yamaha Outboard Engine 60-200HP

Keep your Yamaha outboard engine running smoothly with the 6E5-45371-10-00 Trim Tab Zinc Anode Replacement. This part is designed for engines from 60-200HP, ensuring reliable performance.
It replaces the OEM part easily, saving you time and effort. No manual needed—installation is simple and quick. Plus, it comes with a 12-month warranty for added peace of mind.
Protects your engine, prevents corrosion, and extends its life. Contact us if you have any questions.
| Pros | Cons |
|---|---|
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Perfect For:
This Trim Tab Zinc Anode Replacement is perfect for boat owners with a Yamaha Outboard Engine between 60-200HP. It’s easy to install and comes with a 12-month warranty, making it a reliable choice for marine maintenance.
Ready to Purchase?
Buying Guide
Sacrificial anodes are essential for protecting your outboard motor from corrosion. This guide helps you find the best anodes for your boat.
Engaging Experience:
Choosing the right sacrificial anode keeps your engine safe and saves you money on repairs. We’ve tested top-rated options to make your decision easy.
Factors to Consider When Buying:
– Compatibility: Ensure the anode fits your outboard motor’s make and model. Check for specific brands like Yamaha, Mercury, or Suzuki.
– Material: Choose zinc for saltwater, aluminum for brackish water, or magnesium for freshwater. The right alloy ensures maximum protection.
– Size and Shape: Match the anode’s dimensions to your motor’s requirements for proper fit and effectiveness.
– Durability: Look for high-quality materials that resist wear and last longer, saving you time and money.
– Ease of Installation: Opt for kits with included hardware and clear instructions for a hassle-free setup.
– OEM Standards: Select anodes that meet or exceed original equipment manufacturer (OEM) standards for reliability.
– Price: Balance cost with quality to get the best value without compromising protection.
– Warranty: A warranty adds peace of mind and ensures you’re covered if issues arise.
Top Picks:
1. MARTYR Anodes CM818298Z – Best for Mercury Mercruiser in saltwater.
2. QuickMarine 6E5-45371-01 – Ideal for Yamaha 115-130 HP outboards.
3. US Marine Products LLC Aluminum Anode Kit – Perfect for Honda BF 135-250 HP engines.
4. Qonsy 688-45371-02 – Great for Yamaha 60-90 HP motors.
5. Quicksilver 8M6007985 – Best for Yamaha 200-250 HP outboards.
Final Tip: Regularly inspect your anodes for wear and replace them as needed to keep your motor protected.