Sierra Thermostat for Johnson/Evinrude Outboard Engines

Sierra outboard thermostats are replacement engine thermostats for Johnson/Evinrude outboard motors. The thermostat regulates engine coolant flow so the powerhead reaches and holds its proper operating temperature. A worn or stuck thermostat can leave an engine running too hot or too cold, which reduces power and efficiency. Replacing it is a simple, low-cost way to restore normal cooling performance.

Key Features:

• Replacement marine thermostats made for Johnson/Evinrude outboard engines
• Engineered to meet or exceed OEM specifications
• Built for the demanding conditions of marine use
• Helps keep the engine at its ideal operating temperature for better performance and efficiency
• Offered in multiple temperature ratings, so you can choose the one that matches your engine
• Aftermarket interchange for common Johnson/Evinrude, OMC, Mallory and GLM part numbers

Sierra is a long-established supplier of aftermarket marine engine parts, with thousands of replacement parts, tools and components. Use a Sierra thermostat for routine cooling system maintenance or to fix an overheating or slow-warming outboard.