Looking for the best skeg anodes to protect your boat’s engine? We’ve curated a list of top-rated options that fit popular brands, ensuring you find the perfect fit for your boat’s needs.
Protect your boat’s engine with the best skeg anodes on the market. These small but mighty parts prevent corrosion and extend the life of your motor. Whether you’re in saltwater or freshwater, the right anode makes all the difference.
Choosing the perfect skeg anode can feel overwhelming, but we’ve done the work for you. Our guide highlights top-rated options that fit popular brands like Yamaha, Mercury, and more. Discover the best fit for your boat and keep it running smoothly for years to come.
List of Top 10 Skeg Anodes
| Image | Title | Best For | Price |
|---|---|---|---|
![]() |
HeuroFosh 6K14537102 Trim Tab Skeg Anode for Yamaha 150-200 HP Outboard Motors 6K1-45371-01 6K1-45371-02 Sierra 18-6121 |
This HeuroFosh Trim Tab Skeg Anode is perfect for boat owners with Yamaha 150-200 HP Outboard Motors. It’s easy to use and protects your engine from deterioration. |
|
![]() |
US Marine Products LLC Zinc Anode Kit for Yamaha F200 F225 F250 F300 3.3L & 4.2L V6 KIT with Flat Zinc Skeg Anode |
This Zinc Anode Kit is perfect for boat owners with Yamaha F200, F225, F250, or F300 engines. It’s easy to install and protects your motor from corrosion. |
|
![]() |
Aluminum Anode Kit Fits Yamaha F200 F225 F250 F300 3.3L & 4.2L V6 KIT With Flat Skeg Anode Replaces Yamaha 6G5-45251-02-00, 6G5-45251-01-00, Yamaha 6CE-45373-00-00, 61A-45371-00-00 |
This Aluminum Anode Kit is perfect for boat owners with Yamaha F200, F225, F250, or F300 engines. It fits 3.3L and 4.2L V6 models with a flat skeg. |
|
![]() |
US Marine Products LLC Aluminum Anode Kit for Yamaha F200 F225 F250 F300 3.3L & 4.2L V6 KIT with Flat Skeg Anode |
This aluminum anode kit is perfect for Yamaha outboard motor owners who want to protect their investment. If you have a Yamaha F200, F225, F250, or F300 with a 3.3L or 4.2L V6 engine, this kit with a flat skeg anode is designed to keep your motor safe from corrosion. |
|
![]() |
Boat Motor 6J9-45371-00 6J9-45371-01 6K1-45371-02 Trim Tab Skeg Anode for Yamaha Outboard Engine 115HP 150HP 175HP 200HP, fits Sierra 18-6035 |
This Boat Motor Trim Tab Skeg Anode is perfect for boat owners with Yamaha Outboard Engines of 115HP, 150HP, 175HP, or 200HP. It’s a great fit for those needing a reliable replacement for OEM parts 6J9-45371-00, 6J9-45371-01, or 6K1-45371-02. |
|
![]() |
Boat Engine 6J9-45371-00 6J9-45371-01 6K1-45371-02 Aluminum Alloy Trim Tab Skeg Anode for Yamaha Outboard Motor 115HP 150HP 175HP 200HP, fit Sierra 18-6035 (Aluminum Alloy) |
This Boat Engine Trim Tab Skeg Anode is perfect for boat owners with Yamaha Outboard Motors ranging from 115HP to 200HP. It’s ideal for those needing a reliable replacement for OEM parts 6J9-45371-00, 6J9-45371-01, or 6K1-45371-02. |
|
![]() |
US Marine Products LLC Skeg Zinc for Yamaha 50, 60, 70, 75, 85, 90, 100 HP Outboard Trim Tab Zinc Anode Replaces 688-45371-02 |
This Skeg Zinc Anode is perfect for boat owners with Yamaha outboard motors ranging from 50 to 100 HP. It’s a must-have for protecting your trim tab from corrosion. |
|
![]() |
Martyr CM6884537102Z Zinc Alloy Yamaha Skeg Anode |
This Yamaha Skeg Anode is perfect for boat owners who want to protect their vessels in saltwater. It’s ideal for pleasure craft boats made of iron, steel, aluminum, or magnesium. |
|
![]() |
Martyr Anodes CM822157C2Z Mercury/Mercruiser Skeg Trim Anode, Zinc, Zinc Alloy |
This zinc alloy anode is perfect for boat owners who sail in saltwater. It offers maximum protection for your pleasure craft. |
|
![]() |
US Marine Products LLC Aluminum Anode for Mercury Mercruiser Alpha 1 and Most Outboards Standard Trim Tab Skeg Replaces 31640 |
This aluminum anode is perfect for boat owners who need a reliable replacement for their Mercury Mercruiser Alpha 1 or most outboards. It’s easy to install and fits most models, keeping your trim tab skeg protected. |
Detailed Reviews
Discover the top 10 Skeg Anodes carefully selected for Yamaha and Mercury engines. Each product is expert-reviewed and customer-approved, offering durability and corrosion protection. Find the perfect fit for your boat and keep your engine safe with our easy-to-follow guide.
1. HeuroFosh 6K14537102 Trim Tab Skeg Anode for Yamaha 150-200 HP Outboard Motors 6K1-45371-01 6K1-45371-02 Sierra 18-6121

HeuroFosh 6K14537102 Trim Tab Skeg Anode is a must-have for Yamaha outboard motor owners. It’s designed for 150-200 HP engines, keeping them safe from wear and tear.
This anode fits multiple Yamaha models, including LZ150, LX150/LX200, LZ200, LF200, and LF150. It replaces several part numbers, making it a perfect match for your boat’s needs.
Easy to install, protects your engine, and prevents deterioration.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This HeuroFosh Trim Tab Skeg Anode is perfect for boat owners with Yamaha 150-200 HP Outboard Motors. It’s easy to use and protects your engine from deterioration.
Ready to Purchase?
2. US Marine Products LLC Zinc Anode Kit for Yamaha F200 F225 F250 F300 3.3L & 4.2L V6 KIT with Flat Zinc Skeg Anode

Protect your Yamaha engine with the US Marine Products LLC Zinc Anode Kit. This kit is specially designed for Yamaha F200, F225, F250, and F300 engines with 3.3L and 4.2L V6 configurations.
It includes a flat zinc skeg anode for maximum protection. Easy to install, durable, and reliable.
This kit replaces Yamaha parts 6G5-45251-02-00, 6G5-45251-01-00, 6CE-45373-00-00, and 61A-45371-00-00. Keep your engine safe from corrosion with this high-quality solution.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Zinc Anode Kit is perfect for boat owners with Yamaha F200, F225, F250, or F300 engines. It’s easy to install and protects your motor from corrosion.
Ready to Purchase?
3. Aluminum Anode Kit Fits Yamaha F200 F225 F250 F300 3.3L & 4.2L V6 KIT With Flat Skeg Anode Replaces Yamaha 6G5-45251-02-00, 6G5-45251-01-00, Yamaha 6CE-45373-00-00, 61A-45371-00-00

Protect your Yamaha engine with this Aluminum Anode Kit. It fits F200, F225, F250, and F300 models with 3.3L and 4.2L V6 engines. The kit includes a flat aluminum skeg anode.
This anode kit is a direct replacement for Yamaha parts. It replaces 6G5-45251-02-00, 6G5-45251-01-00, 6CE-45373-00-00, and 61A-45371-00-00. Easy installation ensures quick setup.
Extend the life of your engine with this kit. Prevent corrosion and keep your boat running smoothly.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Aluminum Anode Kit is perfect for boat owners with Yamaha F200, F225, F250, or F300 engines. It fits 3.3L and 4.2L V6 models with a flat skeg.
Ready to Purchase?
4. US Marine Products LLC Aluminum Anode Kit for Yamaha F200 F225 F250 F300 3.3L & 4.2L V6 KIT with Flat Skeg Anode

Protect your Yamaha engine with the US Marine Products LLC Aluminum Anode Kit. This kit fits Yamaha F200, F225, F250, and F300 models with 3.3L and 4.2L V6 engines. It includes a flat skeg anode for extra protection.
The aluminum anode helps prevent corrosion on your engine. It’s easy to install and works well in saltwater and freshwater.
This durable kit extends the life of your engine. It’s a smart investment for boat owners who want peace of mind.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This aluminum anode kit is perfect for Yamaha outboard motor owners who want to protect their investment. If you have a Yamaha F200, F225, F250, or F300 with a 3.3L or 4.2L V6 engine, this kit with a flat skeg anode is designed to keep your motor safe from corrosion.
Ready to Purchase?
5. Boat Motor 6J9-45371-00 6J9-45371-01 6K1-45371-02 Trim Tab Skeg Anode for Yamaha Outboard Engine 115HP 150HP 175HP 200HP, fits Sierra 18-6035

Keep your Yamaha outboard engine running smoothly with this trim tab skeg anode. It’s designed for 115HP, 150HP, 175HP, and 200HP engines.
Made from zinc alloy, it replaces OEM parts 6J9-45371-00, 6J9-45371-01, and 6K1-45371-02. It also fits Sierra 18-6035. Not sure if it fits your engine? Just provide your engine serial number.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Boat Motor Trim Tab Skeg Anode is perfect for boat owners with Yamaha Outboard Engines of 115HP, 150HP, 175HP, or 200HP. It’s a great fit for those needing a reliable replacement for OEM parts 6J9-45371-00, 6J9-45371-01, or 6K1-45371-02.
Ready to Purchase?
6. Boat Engine 6J9-45371-00 6J9-45371-01 6K1-45371-02 Aluminum Alloy Trim Tab Skeg Anode for Yamaha Outboard Motor 115HP 150HP 175HP 200HP, fit Sierra 18-6035 (Aluminum Alloy)

Upgrade your Yamaha outboard motor with the Boat Engine Trim Tab Skeg Anode. It’s made of durable aluminum alloy and fits 115HP, 150HP, 175HP, and 200HP engines.
This part replaces OEM numbers 6J9-45371-00, 6J9-45371-01, and 6K1-45371-02. It also fits Sierra 18-6035. Not sure if it fits? Provide your engine serial number for help.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Boat Engine Trim Tab Skeg Anode is perfect for boat owners with Yamaha Outboard Motors ranging from 115HP to 200HP. It’s ideal for those needing a reliable replacement for OEM parts 6J9-45371-00, 6J9-45371-01, or 6K1-45371-02.
Ready to Purchase?
7. US Marine Products LLC Skeg Zinc for Yamaha 50, 60, 70, 75, 85, 90, 100 HP Outboard Trim Tab Zinc Anode Replaces 688-45371-02

Protect your Yamaha outboard motor with the US Marine Products Skeg Zinc. This trim tab zinc anode fits 50 to 100 HP models. It replaces part 688-45371-02 easily.
Keep your skeg safe from corrosion with this durable zinc anode. It’s a must-have for long-lasting performance.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Skeg Zinc Anode is perfect for boat owners with Yamaha outboard motors ranging from 50 to 100 HP. It’s a must-have for protecting your trim tab from corrosion.
Ready to Purchase?
8. Martyr CM6884537102Z Zinc Alloy Yamaha Skeg Anode

The Martyr CM6884537102Z is a zinc alloy Yamaha skeg anode. It protects boats and equipment from corrosion. This anode is made for saltwater use.
It offers cathodic protection for pleasure craft boats. The zinc alloy works well in saltwater environments. This product is not for freshwater use.
The anode is pressure diecast and meets high standards. It is manufactured through an ISO 9001 system. This ensures reliable and consistent quality.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Yamaha Skeg Anode is perfect for boat owners who want to protect their vessels in saltwater. It’s ideal for pleasure craft boats made of iron, steel, aluminum, or magnesium.
Ready to Purchase?
9. Martyr Anodes CM822157C2Z Mercury/Mercruiser Skeg Trim Anode, Zinc, Zinc Alloy

The Martyr Anodes CM822157C2Z is a zinc alloy skeg trim anode. It’s made for saltwater use and offers cathodic protection for boats. This MIL spec alloy keeps your boat safe from damage.
It’s not for freshwater but works best in saltwater. Martyr Anodes ensure top protection by using pure alloys, free from impurities like iron.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This zinc alloy anode is perfect for boat owners who sail in saltwater. It offers maximum protection for your pleasure craft.
Ready to Purchase?
10. US Marine Products LLC Aluminum Anode for Mercury Mercruiser Alpha 1 and Most Outboards Standard Trim Tab Skeg Replaces 31640

Protect your boat with the US Marine Products LLC Aluminum Anode. It’s made for Mercury Mercruiser Alpha 1 and most outboards. This anode replaces part 31640 easily.
It fits most Mercury/Mariner outboards 35 hp and above. It also works with Mercruiser Alpha 1 Gen 1 outdrives.
This aluminum anode is durable and reliable. It helps prevent corrosion on your boat. Keep your trim tab skeg safe with this quality product.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This aluminum anode is perfect for boat owners who need a reliable replacement for their Mercury Mercruiser Alpha 1 or most outboards. It’s easy to install and fits most models, keeping your trim tab skeg protected.
Ready to Purchase?
Buying Guide
Protect your boat’s engine with the best skeg anodes. These small parts prevent corrosion and extend engine life.
Choosing the right skeg anode can feel tricky, but we’re here to help. Our guide makes it easy to find the perfect fit for your boat.
Here’s what to consider when buying:
-
Engine Compatibility:
Make sure the anode fits your engine model. Check the HP range and brand compatibility for a perfect match. -
Material Type:
Choose between zinc (best for saltwater) or aluminum (great for freshwater). The material affects protection level and durability. -
Ease of Installation:
Look for anodes that are easy to install. Quick setup saves time and ensures proper protection. -
Part Number Replacement:
Check if the anode replaces your current part number. This ensures a direct fit and hassle-free replacement. -
Durability:
Opt for high-quality materials that resist wear and tear. A durable anode lasts longer and offers better value. -
Brand Reputation:
Choose trusted brands like US Marine Products or Martyr Anodes. Reliable brands ensure consistent quality and performance.
With these factors in mind, you’ll find the best skeg anode for your boat. Keep your engine safe and running smoothly for years to come.