Zinc anode is for use in salt water
500 GPH 12 Volt Pump Motor Cartridge | Johnson Pump 28552
D9A2K D9-575
Fits Volvo Penta D4-180I-F
it can be further enhanced with an optional waterproof boot that replaces the dress nut
Gasoline Engine Impeller Kit | Volvo Penta 876120 Cooling Systems Zinc anode is for useGasoline Engine Impeller Kit Volvo Penta 87612 Gasoline Engine Impeller Kit Volvo Penta 876120 Factory original Volvo Penta impeller kit for multiple Volvo gasoline marine engine cooling applications. Volvo Penta impeller kit Fits Volvo AQ200D, AQ225D, AQ225E, AQ225F, BB225A, BB225B, BB225C, AQ231A, AQ231B, AQ255B, AQ260B, 740A, and 740B model engines Includes gasket Original Volvo Penta Replaces Volvo Penta 834974 Replaces Marine Power 527272