Sierra 18-3623 Thermostat for Yamaha Outboard, Replaces 6E5-12411-02-00, OEM Spec

The Sierra 18-3623 Thermostat is a high-quality replacement part for Yamaha outboard motors. It helps regulate engine temperature, preventing overheating and promoting longer engine life. This thermostat is ideal for boat owners and marine technicians seeking a dependable, cost-effective alternative to OEM parts.

Designed to match Yamaha OEM specifications, the Sierra 18-3623 offers easy installation and reliable performance. It is suitable for various Yamaha outboard models that require thermostat part number 6E5-12411-02-00.

• Replaces Yamaha OEM part #6E5-12411-02-00
• Opens at approximately 50°C for optimal cooling
• Engineered by SIERRA to meet or exceed OEM standards
• Compatible with select Yamaha outboard models, including 8MSH and 9.9MSH
• Helps prevent engine overheating and improves reliability
• Simple installation for routine maintenance or repairs

Choose the Sierra 18-3623 thermostat for your Yamaha outboard to ensure smooth operation and peace of mind on the water.