An anode is a sacrificial block of either zinc or aluminum alloy that is mounted on, or connected to, the underwater metal parts of your boat E.G. stern drives, shafts, propellers, rudders, trim tabs and skin fittings. Anodes come in a variety of shapes and sizes.

Tecnoseal
Tecnoseal R1MG Rudder Anode - Magnesium - 1-7/8" Diameter
Sale price$15.76
Regular price$23.64
Sold out
Tecnoseal
Tecnoseal R5AL Rudder Anode - Aluminum - 5" x 7/8"
Sale price$46.57
Regular price$69.85
Sold out
Tecnoseal
Tecnoseal R4AL Rudder Anode - Aluminum - 5" x 5/8"
Sale price$36.98
Regular price$55.47
Only 1 unit left
Tecnoseal
Tecnoseal R3AL Rudder Anode - Aluminum - 3-3/4" Diameter
Sale price$26.24
Regular price$39.36
In stock, 17 units
Tecnoseal
Tecnoseal R2AL Rudder Anode - Aluminum - 2-13/16" Diameter
Sale price$18.61
Regular price$27.91
In stock, 4 units
Tecnoseal
Tecnoseal R1AL Rudder Anode - Aluminum - 1-7/8" Diameter
Sale price$15.22
Regular price$22.83
In stock, 2 units
Tecnoseal
Tecnoseal R7 Rudder Anode - Zinc - 6-1/2" Diameter
Sale price$70.59
Regular price$105.89
Sold out
Tecnoseal
Tecnoseal R5 Rudder Anode - Zinc - 5" Diameter x 7/8" Thickness
Sale price$46.23
Regular price$69.35
Sold out
Tecnoseal
Tecnoseal R4 Rudder Anode - Zinc - 5" Diameter x 5/8" Thickness
Sale price$35.87
Regular price$53.80
In stock, 51 units
Tecnoseal
Tecnoseal R3 Rudder Anode - Zinc - 3-3/4" Diameter
Sale price$25.78
Regular price$38.67
In stock, 159 units
Tecnoseal
Tecnoseal R2 Rudder Anode - Zinc - 2-13/16" Diameter
Sale price$22.07
Regular price$33.11
In stock, 4 units
Tecnoseal
Tecnoseal R1 Rudder Anode - Zinc - 1-7/8" Diameter
Sale price$13.84
Regular price$20.76
In stock, 2 units
Raritan
Raritan Magnesium Anode f/6-Gallon Water Heater
Sale price$60.42
Regular price$90.64
In stock, 3 units
Raritan
Raritan Magnesium Anode f/12 & 20-Gallon Water Heater
Sale price$59.13
Regular price$88.70
In stock, 14 units