Yamaha - Water Tube 2 Cooling System Component 6CE-44362-00-00. Overview. The Yamaha Water Tube 2 6CE-44362-00-00 is an essential part of the cooling system, designed to carry water from the lower unit to critical areas of the engine. Working alongside other water tubes, it ensures a steady and balanced flow of cooling water to maintain proper engine temperature. If this tube becomes clogged, bent, or damaged, it can disrupt water flow and lead to overheating. Replacing it helps maintain consistent cooling and protects overall engine performance.. Key Features. • Secondary Cooling Water Channel - Works with the main water tube to distribute cooling water efficiently.. • OEM Fit Precision - Built to Yamaha specifications for accurate alignment and secure installation.. • Maintains Cooling Balance - Supports proper water flow distribution throughout the engine.. • Durable Construction - Designed to withstand heat, pressure, and harsh marine environments.. Engine & Boat Compatibility. Ver