Yamaha - Water Tube - Cooling System Water Delivery - 6E5-44361-20-00

Overview

Water tubes are one of those parts you don’t think about until cooling problems show up. I’ve seen motors overheat just because this tube was bent, clogged, or not seated right after service. It’s what carries water from the pump up into the powerhead, so it has to be clean and properly aligned. When it’s right, you get steady cooling and no surprises out on the water.

Key Features

• Direct Water Flow Channel – Transfers cooling water from the pump to the engine.
• Consistent Cooling Support – Helps maintain stable engine temperatures during operation.
• Durable Metal Construction – Built to handle heat, vibration, and continuous water flow.
• Corrosion-Resistant Design – Performs reliably in both freshwater and saltwater environments.
• Exact Yamaha Fitment – Matches factory specifications for proper alignment and sealing.

Engine & Boat Compatibility

Designed for Yamaha outboard engines utilizing internal water tube cooling systems. Commonly used across a wide range of Yamaha outboards in recreational and commercial marine applications. Suitable for freshwater and saltwater environments where consistent cooling performance is essential.

FAQ

Q: What are signs this water tube is damaged or clogged?
A: Overheating, weak water flow, or inconsistent telltale stream are common signs.

Q: Does this part need adjustment after installation?
A: No adjustment, but proper alignment during installation is critical.

Q: Any tips for installing this water tube?
A: Make sure it seats correctly into the grommets and lines up with the pump outlet.

Q: How does debris affect the water tube?
A: Sand or buildup can restrict flow and reduce cooling efficiency.

Q: Can a damaged water tube cause engine damage?
A: Yes, restricted cooling can lead to overheating and internal engine issues.