Yamaha - Water Tube Cooling System Component 6CE-44361-00-00. Overview. The Yamaha Water Tube 6CE-44361-00-00 is a critical component of your outboard's cooling system, responsible for carrying water from the lower unit to the engine. This steady flow of water helps regulate engine temperature and prevents overheating during operation. If the tube becomes clogged, bent, or damaged, it can restrict water flow and reduce cooling efficiency. Replacing it ensures your engine stays properly cooled and performs reliably on the water.. Key Features. • Direct Cooling Water Transfer - Moves water efficiently from the pump to the engine.. • OEM Fit Precision - Built to Yamaha specifications for proper alignment and secure installation.. • Maintains Cooling Efficiency - Supports consistent water flow to prevent overheating.. • Durable Construction - Designed to withstand heat, pressure, and harsh marine environments.. Engine & Boat Compatibility. Verify compatibility with your specific Yamaha eng