Shopping from Canada? 
Go to Defender Canada!
Sierra
Sierra Thermostat Kit for Mercruiser Stern Drives - 18-3647
Item: #240793 | Part Number: 18-3647$31.99
Description
The Sierra Thermostat Kit 18-3647 is a complete replacement solution for Mercruiser stern drives, designed to restore proper engine cooling and performance. Includes a high-quality thermostat and multiple gaskets for a reliable, professional installation. Direct replacement for Mercury Marine 807252Q5.
Sierra Thermostat Kit for Mercruiser Stern Drives - 18-3647 Item # 240793
Description
Sierra Thermostat Kit for Mercruiser Stern Drives.
Replaces:
- Mercury Marine 807252Q5
Included:
- 18-2552 Thermostat Gasket for Mercruiser Stern Drives
- 18-2553 Thermostat Gasket for Mercruiser Stern Drives
- 18-2844 Thermostat Gasket for Mercruiser Stern Drives
- 18-2917 Thermostat Gasket
- 18-3649 Thermostat - 16 Fresh Water Cooling