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🛡️ Protect your vessel like a pro — corrosion doesn’t stand a chance!
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.
| 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 |
J**R
Quality
Good quality
A**R
Amazing
Been ordering these for my ocean boat for years! Work great!!
S**I
fit perfect
fit perfect....just like last 3
L**A
Looks good - would buy again
Arrived on time. Well packaged. Good value for money. Note to buyers: it includes disks for both sides of your rudder or keel. Picture usually shows just one half-disk.
M**K
Only ones I’ll buy
These are perfect zinc to fit your external Trim tabs. I’ve used these for many years they tend to last me the longest. I can probably go two seasons without changing them but I do not. Every year I order a new pair to keep safe on the water.
A**R
Android
Smaller than I thought they would be, but I did not pay attention to the description details of the size, but they worked out great nevertheless
M**S
Boat trailer
Perfect fit for new aluminum boat trailer! They really do help in the saltwater!
M**E
A+
Good product that works well and arrived quickly.
C**S
Excellent and they sent me 4
B**.
Bought this anode for a underwater pump. Has a mounting stud built it which is great, and was a good value on sale. Casting is nice and clean, really nothing to complain about, good quality.
A**R
Good
H**N
These are tiny - maybe an inch across
S**R
Très satisfait
Trustpilot
3 days ago
5 days ago