---
product_id: 93011588
title: "CMR Rudder/Trim Tab Anodes"
brand: "martyr"
price: "£15.21"
currency: GBP
in_stock: true
reviews_count: 13
category: "Martyr"
url: https://www.desertcart.co.uk/products/93011588-cmr-rudder-trim-tab-anodes
store_origin: GB
region: Great Britain
---

# 3 alloy options for all waters ISO 9001 certified precision Impurity-free max protection CMR Rudder/Trim Tab Anodes

**Brand:** martyr
**Price:** £15.21
**Availability:** ✅ In Stock

## Summary

> 🛡️ Protect your vessel like a pro — corrosion doesn’t stand a chance!

## Quick Answers

- **What is this?** CMR Rudder/Trim Tab Anodes by martyr
- **How much does it cost?** £15.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/93011588-cmr-rudder-trim-tab-anodes)

## Best For

- martyr enthusiasts

## Why This Product

- Trusted martyr brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Yet Powerful:** Slim design (.5 H x 2.81 OD) fits seamlessly while delivering maximum anode protection.
- • **Trusted by Ocean Pros:** Highly rated with 4.7 stars and proven performance on ocean vessels for years.
- • **Pure Alloy Composition:** Free from iron impurities to guarantee peak corrosion resistance and longevity.
- • **Tailored Alloy Protection:** Choose Zinc, Aluminum, or Magnesium alloys optimized for salt, brackish, or fresh water environments.
- • **Precision Engineered for Durability:** Pressure diecast with ISO 9001 quality control ensures unmatched reliability.

## Overview

Martyr CMR Rudder/Trim Tab Anodes are premium pressure diecast sacrificial anodes manufactured under strict ISO 9001 standards. Available in Zinc, Aluminum, and Magnesium alloys, they provide tailored corrosion protection for salt, brackish, and fresh water environments. Designed to be impurity-free for maximum durability, these anodes are compact, highly rated by marine professionals, and trusted for long-lasting vessel protection.

## Description

desertcart.com : Martyr Anodes CMR02AL, Rudder/Trim Tab Anode.5 H x 2.81 OD x .28 ID, Aluminum : Boating Tools : Sports & Outdoors

Review: Quality - Good quality
Review: Amazing - Been ordering these for my ocean boat for years! Work great!!

## Features

- High-quality Martyr anodes are pressure diecast and manufactured to strict quality standards through an ISO 9001 Quality Management System
- Martyr anodes offer maximum protection by maintaining quality alloys, free from impurities like iron, which can compromise performance
- Three alloys available - Use Zinc (Martyr I) for salt water, Aluminum (Martyr II) for brackish water, or Magnesium (Martyr III) in fresh water

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003E1WN0W |
| Best Sellers Rank | #32,809 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #198 in Boat Tools |
| Brand Name | MARTYR |
| Customer Reviews | 4.7 4.7 out of 5 stars (271) |
| Date First Available | March 24, 2010 |
| Included Components | Aluminum Rudder Anode |
| Item Package Dimensions L x W x H | 2.64 x 2.52 x 1.77 inches |
| Item Weight | 5.44 ounces |
| Manufacturer | Martyr Anodes |
| Model Name | CMR02AL |
| Number of Items | 1 |
| Package Weight | 0.16 Kilograms |
| Part Number | CMR02AL |
| Size | .5 H x 2.81 OD x .28 ID |
| Style | Aluminum |
| Warranty Description | Manufacturer |

## Images

![CMR Rudder/Trim Tab Anodes - Image 1](https://m.media-amazon.com/images/I/81WaZXYRvFL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality
*by J***R on November 21, 2025*

Good quality

### ⭐⭐⭐⭐⭐ Amazing
*by A***R on February 6, 2026*

Been ordering these for my ocean boat for years! Work great!!

### ⭐⭐⭐⭐⭐ fit perfect
*by S***I on February 21, 2026*

fit perfect....just like last 3

## Frequently Bought Together

- Martyr CMR Rudder/Trim Tab Anodes
- Martyr Anodes, Streamlined Shaft Anodes with Stainless Steel Slotted Head
- Martyr CMDIVERA, Aluminum Alloy Pleasurecraft Divers Dream Slotted Bolt-on

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**Shop now:** [https://www.desertcart.co.uk/products/93011588-cmr-rudder-trim-tab-anodes](https://www.desertcart.co.uk/products/93011588-cmr-rudder-trim-tab-anodes)

---

*Product available on Desertcart Great Britain*
*Store origin: GB*
*Last updated: 2026-04-23*