Yamaha - Water Tube - Cooling System Transfer Tube - 688-44361-20-00

Overview

The water tube is a vital component of the Yamaha outboard cooling system, designed to carry cooling water from the lower unit up to the engine block. It ensures a steady and controlled flow of water needed to regulate engine temperature and prevent overheating during operation. Manufactured to OEM specifications, this tube provides a precise fit and dependable performance in demanding marine conditions.

Key Features

• Water Transfer Function – Delivers cooling water from the lower unit to the engine.
• Cooling System Efficiency – Supports consistent water flow for proper temperature regulation.
• OEM Yamaha Construction – Built to factory standards for reliable fit and performance.
• Corrosion-Resistant Design – Engineered to withstand marine environments and long-term use.

Engine & Boat Compatibility

• Compatible with Yamaha outboards that utilize this water tube within the cooling system.

FAQ

Q: What does a water tube do?
A: It transports cooling water to the engine to help maintain safe operating temperatures.

Q: Why is this component important?
A: It ensures the engine receives proper cooling, preventing overheating and damage.

Q: What happens if the tube is blocked or damaged?
A: It can restrict water flow, leading to overheating and reduced engine performance.

Q: When should it be replaced?
A: It should be replaced if corroded, bent, or during major cooling system service.

Q: Is this an OEM Yamaha part?
A: Yes, it is manufactured to Yamaha’s original equipment standards.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.