CM818298M - Magnesium Anode - for fresh water only. Not recommended for salt or brackish water. 
Fits:
Mercury/Mariner 30/40 FourStroke
40 (4 cylinder)
50 (3 cylinder 1987-1997)
55 (3 cylinder)
60-90 (3 cylinder 1987...

CM821630C2M - Magnesium Anode - for fresh water only. Not recommended for salt or brackish water. 
BRAVO 1 / BRAVO 2 / BRAVO 3
Dimensions:
Length: 177.80mm (7.000in)
Width: 107.95mm (4.250in)
Depth: 14.22mm (0.560in)
...

CM367Z - Zinc Anode - for salt water use. Not recommended for fresh water.
Transom mounted aluminum anode for boats with OMC outdrives and Johnson/Evinrude outboards that require additional protection.
Dimensions:
Length: 195.58mm (7....

CM06411ZW1M - Magnesium Anode - for fresh water only. Not recommended for salt or brackish water. 
Fits Honda 75-225 HP Outboards.
• Mounts on bottom of stern bracket.
• Manufacturers code 06411-ZW1-020
Dimensions:
Length:...

CM3852970A - Aluminium Anode - for use in salt and brackish water.
Dimensions:
Length: 101.60mm (4.000in)
Width: 27.94mm (1.100in)
Depth: 101.60mm (4.000in)
Categories: Sterndrive Anodes, Bar Anode, Bracket Anode, Martyr...

CM6644537101M - Magnesium Anode - for fresh water only. Not recommended for salt or brackish water. 
CM 41107-ZV5-000* (Same as 664-45371-01 )
Dimensions:
Length: 55.88mm (2.200in)
Width: 96.52mm (3.800in)
Depth: 55.88mm (2....

CM826134KITA - Aluminium Anode - for use in salt and brackish water.
Fits Mercury/Mariner 35-300hp outboards & Force 90 & 120hp 1995 and newer outboards. Located in the two side pockets on the gearhousing just above the cavitation plate...

CM3883728A - Aluminium Anode - for use in salt and brackish water.
Dimensions:
Length: 152.40mm (6.000in)
Width: 91.44mm (3.600in)
Depth: 27.94mm (1.100in)
Categories: Sterndrive Anodes, Block Anode, Wedge Anode, Martyr...

CMGROUPERM - Magnesium Anode - for fresh water only. Not recommended for salt or brackish water.
An easy, convenient way to add extra corrosion protection to your boat. It is an ideal way to provide temporary extra corrosion protection to your...