Sierra Marine 18-3615 Raw Water Thermostat

The Sierra Marine 18-3615 Raw Water Thermostat is designed to regulate the temperature of your marine engine's cooling system. It helps maintain optimal engine performance by controlling the flow of raw water through the cooling circuit.

• Raw water thermostat for marine engines
• Model number: 18-3615
• Ensures proper engine temperature regulation
• Compatible with various Sierra Marine cooling systems
• Helps prevent engine overheating

This item is an aftermarket part, not OEM. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.