Description
MARTYR Aluminum Rudder/Trim Anode 2-13/16" – CMR02AL is an aluminum sacrificial marine anode for trim tab anodes. It is intended to corrode sacrificially so the protected underwater metal component is preserved.
Water application: Salt Water and Brackish Water. Manufacturer dimensions are listed below in both metric and imperial units. Confirm fitment with the full MARTYR manufacturer part number CMR02AL; the store SKU may omit or alter MARTYR’s leading CM prefix.
Features
- Protects rudders, trim tabs, and bonded underwater hardware from galvanic corrosion.
- Verify outside diameter, thickness, and mounting-hole diameter/spacing before ordering.
- Designed to protect rudders, trim tabs, and related bonded underwater hardware from galvanic corrosion.
- Verify outside diameter and mounting-hole pattern before installation.
- Aluminum alloy application: Salt Water and Brackish Water.
Specifications
- Brand: MARTYR Anodes
- Manufacturer Part Number: CMR02AL
- Store SKU: CMT-R02AL
- Anode Type: Trim Tab Anodes
- Material: Aluminum
- Recommended Water Type: Salt Water and Brackish Water
- Alloy / Standard: MIL-DTL-24779C (SH)
- Nominal Weight: 0.171 kg (0.377 lb)
- Height: 12 mm (0.472 in)
- Outside Diameter: 71 mm (2.795 in)
- Mounting Hole ID: 7 mm (0.276 in)
- Application / Fitment: Aluminum Rudder/Trim Anode 2-13/16"


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