Sierra 18-3632 Thermostat 140°F for Honda/Suzuki Outboard Engines

The Sierra 18-3632 is a precision-engineered replacement thermostat designed for Honda and Suzuki outboard engines. This thermostat regulates engine coolant temperature by opening at 140 degrees Fahrenheit, ensuring optimal operating temperature for reliable performance and engine longevity.

Key Features:

• 140°F (60°C) opening temperature for precise thermal regulation
• Direct OEM replacement for Honda and Suzuki outboard motors
• Constructed from corrosion-resistant materials for marine durability
• Helps prevent engine overheating and maintains efficient combustion
• Quality-tested to meet or exceed OEM specifications

Sierra Marine is a trusted aftermarket brand known for reliable replacement parts. This thermostat is essential for maintaining proper engine cooling system function, preventing costly damage from overheating or running too cold. Regular thermostat replacement is recommended as part of routine outboard maintenance.