Trim Tab Skeg Anode – Fits Yamaha 150–200 HP Outboards (Replaces 6K1-45371-01, 6K1-45371-02)

Trim Tab Skeg Anode – Fits Yamaha 150–200 HP Outboards (Replaces 6K1-45371-01, 6K1-45371-02)

This trim tab skeg anode is designed for Yamaha 150–200 HP, 2-Stroke & 4-Stroke outboards (1987–2024). It is specifically engineered for counter-rotating (LH) propeller applications, helping to counteract propeller torque and protect submerged metallic components from galvanic corrosion.

This part is a direct replacement for the following OEM and aftermarket part numbers: Yamaha 6K1-45371-01-00, 6K1-45371-02-00; Sierra 18-6121, 18-6121Z; Tecnoseal 01134, 01134AL; CMP CM6K14537102Z, CM6K14537102A; and GLM 12843.

• Installation: Direct bolt-on replacement.
• Material: High-purity zinc alloy for superior protection in saltwater environments.
• Application: Specifically for counter-rotating (Left-Hand) motors.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Yamaha owners, here’s a guide to help you identify your engine’s serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.

Technical Specifications

Package Contents

• 1 x Zinc Trim Tab Anode (6K1-45371-02-00)
• Mounting hardware (bolt) is not included.

Installation Guide

1. Safety First: Ensure the engine is off and disconnect the battery cables before starting work.
2. Locate Anode: Identify the old trim tab anode, which is typically located on the lower unit's anti-cavitation plate.
3. Remove Old Anode: Use a wrench to loosen and remove the M10 mounting bolt securing the old anode.
4. Clean Surface: Thoroughly clean the mounting surface on the lower unit to ensure a good electrical connection. Remove any corrosion, paint, or debris.
5. Position New Anode: Place the new anode onto the cleaned surface, aligning the bolt hole.
6. Secure New Anode: Insert the original M10 bolt (or a new one, if required) and tighten it securely. Do not overtighten.
7. Final Check: Reconnect the battery and confirm the anode is securely in place.

Troubleshooting & FAQ

Q: How do I confirm this fits my engine?
A: This anode is specifically for Yamaha 150-200 HP outboards (1987-2024) that use a counter-rotating (left-hand) propeller. Please verify your engine model and year against the compatibility chart and part numbers provided. Visually comparing the new part to your old one is also recommended.

Q: What are the signs my anode needs replacing?
A: Anodes should be replaced when they are 50% or more corroded. Visual signs include significant pitting, crumbling, or pieces breaking off. A heavily worn anode will no longer effectively protect other metal parts from electrolysis.

Q: How often should I replace my trim tab anode?
A: Replacement frequency depends on usage and water conditions (saltwater causes faster wear than freshwater). A general best practice is to inspect anodes at least once a season and replace them as needed.

Q: Does this anode come with the mounting bolt?
A: No, mounting hardware is not included. You will need to reuse your existing M10 x 1.25mm bolt or source a new one separately.

Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.