Name: Navalloy Trim Tab Anode for Yamaha 20-50HP Outboard 664-45371-01 664-45371-00
Brand: AQUAFAX
SKU: 00120AH
Price: 11.99 GBP
Availability: InStock

Performance Metals Navalloy® Trim Tab Anode for Honda Outboards (20HP, 25HP, 30HP, 40HP, 50HP) with Mounting Hardware - 4Boats

Performance Metals Navalloy® Trim Tab Anode for Honda Outboards 20-50H - UK Stock image 1

Performance Metals Navalloy® Trim Tab Anode for Honda Outboards 20-50H - Technical specification image 2

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Yamaha Trim Tab Anode 664-45371-01

Performance Metals Navalloy® Aluminum Protection

Protect your Yamaha outboard from the damaging effects of galvanic corrosion with the Performance Metals Navalloy® Trim Tab Anode. Engineered specifically for Yamaha 20HP through 50HP engines, this anode is a direct replacement for the original equipment part.

WHY NAVALLOY®? Performance Metals' patented aluminum alloy includes a trace of Indium, ensuring the anode remains active even in brackish or fresh water where traditional zinc anodes often "slime over" and fail.

This premium anode features the exclusive Performance Metals Wear Indicator—a red plastic dot that becomes visible when the anode is 75% worn, taking the guesswork out of maintenance.

Key Features

✔ Direct Fit: Replaces Yamaha OEM 664-45371-01 exactly.
✔ Wear Indicator: Built-in visual alert for replacement.
✔ Superior Material: Navalloy® (Al-In-Zn) lasts up to 50% longer than zinc.
✔ Multi-Water Use: Certified for salt, brackish, and fresh water.

Technical Specs

Material:	Navalloy® Aluminum Alloy
OEM SKU:	664-45371-01
PM Part #:	00121A
Weight:	0.26 kg (Approx.)
Environment:	Salt, Brackish, Fresh

Compatibility / Fitment Guide

Engine Type	Horsepower (HP)	Models / Years
Yamaha 2-Stroke	20hp, 25hp, 30hp, 40hp, 50hp	20C, 20D, 25D, 25J, 25N, 25Q, 30A, 30D, 40H, 40V, 40X, 50D, 50H
Yamaha 4-Stroke	F25, F40, F45, F50, T50	F25 (1998-2005), F40A, F45A, F50A (Up to 2000), T50 (1996-1997)

OEM Cross Reference

Yamaha OEM	664-45371-01, 664-45371-00, 664-45371-01-00
Performance Metals	00121A
Sierra Marine	18-6014 (Zinc Equivalent)

Questions & Answers

Is this a genuine original part?

This is a premium Navalloy® replacement part from Performance Metals. It is manufactured to meet or exceed original Yamaha specifications and provides better protection in varied water types than the factory zinc parts.

Why should I choose Aluminum over Zinc?

Aluminum (Navalloy) has a higher electrical potential than zinc. It provides better protection, lasts longer, and is the only material recommended for boats that move between salt and brackish/fresh water.

How do I know when to replace it?

This anode includes a patented red wear indicator dot. When the dot appears on the surface, the anode has sacrificed 75% of its mass and should be replaced to ensure continued protection.

Note: 4boats.co.uk recommends verifying your original part number against the references above to ensure correct fitment for your Yamaha gear unit.

For the products under £150 the shipping is £6.99.

Free delivery for most items over £150.

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Navalloy Trim Tab Anode for Yamaha 20-50HP Outboard 664-45371-01 664-45371-00