6H1-45251-02 03 Trim Tab Anode for Yamaha 40-130 HP Outboard Engines
This trim tab anode is a specialized sacrificial anode engineered to protect the trim tab on your Yamaha outboard from galvanic corrosion. Designed for 40 HP to 130 HP Yamaha outboard models, it provides reliable corrosion protection while delivering hydrodynamic trimming power to aid steering and performance.
This aftermarket replacement directly replaces Yamaha OEM part numbers 6H1-45251-02-00 and 6H1-45251-03-00, as well as popular aftermarket equivalents from Sierra, GLM, CMP, and Tecnoseal.
- Constructed from aluminum alloy for effective galvanic protection
- Includes all necessary mounting hardware (bolts and washers)
- Easy installation—bolts directly onto the trim tab
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands:
| Brand | Part Number |
|---|---|
| Yamaha | 6H1-45251-02-00 |
| Yamaha | 6H1-45251-03-00 |
| Sierra | 18-6091 |
| GLM | 12884 |
| CMP | CM6H14525102Z |
| Tecnoseal | 01115 |
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.
| Brand | Rated HP |
|---|---|
| Yamaha Outboard | 40 HP |
| Yamaha Outboard | 50 HP |
| Yamaha Outboard | 55 HP |
| Yamaha Outboard | 60 HP |
| Yamaha Outboard | 70 HP |
| Yamaha Outboard | 75 HP |
| Yamaha Outboard | 80 HP |
| Yamaha Outboard | 85 HP |
| Yamaha Outboard | 90 HP |
| Yamaha Outboard | 100 HP |
| Yamaha Outboard | 115 HP |
| Yamaha Outboard | 130 HP |
Technical Specifications
| Specification | Value |
|---|---|
| Material | Aluminum Alloy |
| Application | Trim Tab Anode |
| Function | Corrosion Protection & Hydrodynamic Trimming |
Package Contents
- 1 × Aluminum Alloy Trim Tab Anode
- 2 × Bolts
- 2 × Washers
Installation Guide
- Remove the outboard engine from the water and tilt it fully up to access the trim tab area.
- Locate the existing trim tab anode on the lower unit; it is typically mounted on the underside of the trim tab.
- Remove the old anode by unscrewing the mounting bolts using the appropriate wrench or socket. Discard the old anode and hardware.
- Clean the mounting surface on the trim tab thoroughly to remove any corrosion, debris, or marine growth.
- Position the new aluminum alloy trim tab anode onto the mounting surface, aligning the bolt holes.
- Insert the provided washers onto the bolts, then thread the bolts through the anode and into the trim tab.
- Tighten the bolts securely in a cross pattern to ensure even pressure and a proper seal. Do not overtighten.
- Inspect the installation to confirm the anode is flush against the trim tab and all hardware is secure.
- Lower the engine back into the water and perform a visual check for any leaks or loose components.
Troubleshooting & FAQ
Q: How do I know when to replace the trim tab anode?
A: Inspect the anode regularly (every few months or after heavy use). Replace it when it has eroded to about 50% of its original size to ensure continued corrosion protection.
Q: Will this anode fit my specific Yamaha model?
A: This anode is compatible with Yamaha outboards ranging from 40 HP to 130 HP. Verify your engine’s horsepower and check the part number cross-reference table above to confirm fitment.
Q: Can I install this anode myself?
A: Yes, installation is straightforward if you have basic mechanical skills and the proper tools. However, professional installation is recommended if you are unfamiliar with outboard maintenance.
Q: Why is my anode eroding faster than expected?
A: Accelerated erosion can occur in saltwater, brackish water, or areas with stray electrical currents. Ensure your engine’s electrical system is properly grounded and inspect for galvanic issues.
Q: What’s the difference between OEM and aftermarket anodes?
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.
