The raw water pump, with code number K 73100, plays a critical role in the Sulzer ZV40/48 diesel engine’s cooling system. Its primary function is to circulate seawater or another external water source through the engine's heat exchangers, preventing overheating during operation. Built for durability and corrosion resistance, this pump handles high flow rates and harsh marine environments. Its efficient performance ensures stable engine temperatures, contributing significantly to the reliability and longevity of the engine under continuous load.