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🛥️ Sail Smooth, Stay Protected – The Ultimate Aluminum Anode Upgrade!
Martyr CMR03AL Aluminum Rudder/Trim Tab Anode offers superior corrosion protection with up to 50% longer lifespan than traditional zinc anodes. Designed specifically for brackish water environments, it includes a complete pair with stainless steel Allen screw hardware for balanced, secure installation. Lightweight, cadmium-free, and ISO 9001 certified, this anode ensures reliable, eco-conscious defense against costly marine corrosion.
| ASIN | B003E1UHOQ |
| Best Sellers Rank | #86,972 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #20 in Sailing Hardware |
| Brand | MARTYR |
| Color | silver |
| Compatible Groove Diameter | 3.75 inches |
| Customer Reviews | 4.7 out of 5 stars 274 Reviews |
| Drive System | "" |
| Exterior Finish | Aluminum |
| Fastener Size | 5/16'' x 1-1/2'' |
| Fastener Type | Screw |
| Finish Types | Uncoated |
| Global Trade Identification Number | 00628309127855 |
| Head Style | Trim |
| Head Type | Flat |
| Included Components | Aluminum Rudder / Trim Tab Anode with Allen Screw |
| Item Diameter | 3.75 inches |
| Item Dimensions | 11.63 x 7 x 5 inches |
| Item Weight | 8.96 ounces |
| Item dimensions L x W x H | 11.63 x 7 x 5 inches |
| Manufacturer | Martyr |
| Material | Aluminum |
| Material Type | Aluminum |
| Maximum Shear Strength | 2,700 psi |
| Metal Type | Aluminum |
| Model | CMR03AL |
| Number Of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Part Number | CMR03AL |
| Point Style | Hex Point |
| Screw Head Style | Trim |
| Screw Point Style | Hex Point |
| Set Screw Thread Type | UNC or UNF |
| Size Name | 0.5" x 3.75" x 0.34" |
| Thread Class | 2A |
| Thread Coverage | "" |
| Thread Size | "" |
| Thread Style | "" |
| Thread Type | Unc Or Unf |
| UPC | 628309127855 |
| Unit Count | 1 Count |
| Warranty Description | 90 days |
P**T
Zinks that work
good price work well
J**S
Good value!
Good replacement anodes!
J**N
Excellent quality
These were quite a bit lighter than the Zinc’s that I’ve used in the past. To test them out I used on of the heavier brand ( more expensive) and one of these. Same performance at half the price!
J**M
Do I have the correct anode? I switched all ...
Do I have the correct anode? I switched all the anodes this year to magnesium. I ordered CMX08M anodes for 1-3/4” shafts (having 4 holding screws) on our pleasure boat. The amazon order layout is not well laid out to make a proper selection. I received CMX-8 anodes but with only 2 holding screws. Why not 4 screws as pictured? Are these magnesium? Thank you Jim
T**E
good value
great litl anodes ive used for many boats and trailers, fresh and salt use
N**K
Good product. but made in China
Works as always good product.
G**.
Great Product excellent Quality/Value
I bought these anodes to have a replacement ones, when the Original (same) fade away, til now they're working great protecting the trim tabs from corrosion. You must pay atention to them every 50 hours of navigation.
K**C
Excellent!
Perfect fit! Good price!
A**2
Good quality
More expensive than it should be in my opinion but we need it and it does the job well.
U**C
Five Stars
great units
W**.
Great price
It is as described great
A**Y
You can’t beat Martyr anodes.
Great price.
R**T
Un peu petit mais très efficace
Anodes pour trim tab de bateau Efficace, mais un peu plus petit que je ce que je croyais
Trustpilot
5 days ago
1 week ago