Yamaha - Thermostat Cover - Cooling System Housing - 6EE-E2413-00-1S

Overview

Thermostat covers don’t get much attention until you’ve got a leak or overheating issue staring you down. I’ve seen plenty of cases where a warped or corroded cover caused cooling problems that weren’t obvious at first. This piece keeps the thermostat sealed and directs water where it needs to go. When it’s solid and seated right, the cooling system runs steady without surprises.

Key Features

• Secure Thermostat Housing – Holds the thermostat in place for proper cooling system operation.
• Leak Prevention Design – Helps maintain a tight seal to prevent water loss.
• Durable Construction – Built to handle engine heat and continuous water exposure.
• Consistent Water Flow Support – Ensures proper routing of coolant through the system.
• Exact Yamaha Fitment – Matches factory specifications for proper alignment and installation.

Engine & Boat Compatibility

Designed for Yamaha outboard engines utilizing a thermostat-controlled cooling system. Commonly used across small to mid-range Yamaha outboards in recreational and utility boats. Suitable for freshwater and saltwater environments where reliable temperature control is essential.

FAQ

Q: What are signs this thermostat cover is failing?
A: Water leaks, corrosion, or uneven sealing around the housing are common signs.

Q: Should I replace the gasket when installing a new cover?
A: Yes, always use a new gasket or seal to ensure a proper fit.

Q: Any tips for installing this cover?
A: Clean the mating surfaces and tighten bolts evenly to avoid warping.

Q: How does saltwater affect this part?
A: Corrosion can build over time, so regular inspection and flushing help extend its life.

Q: Can a bad cover cause overheating?
A: Yes, improper sealing can disrupt water flow and lead to temperature issues.

• Supersessions
  68D-E2413-00-9M, 68D-E2413-00-1S