SIERRA 223-3664 Cooling Water Thermostat

Compatible Engines

The SIERRA 223-3664 cooling water thermostat is a critical component of the cooling system, ensuring optimal operating temperature for the propulsion unit. This product features an opening temperature of 88 °C (180 °F), which guarantees rapid achievement of operating temperature and prevents excessive engine wear. Due to the lack of specific model compatibility data in the source information, we recommend verifying fitment solely based on the catalog number 223-3664 or the original OE number. If you have any doubts, please contact our store support team.

Installation and Maintenance

Replacing the thermostat is a straightforward task but requires care. Before disassembly, ensure the engine is cool. We recommend replacing gaskets and checking the condition of the coolant. Regular maintenance prevents breakdowns.

• Original SIERRA quality – guarantee of durability and precision.
• Correct opening temperature – 88 °C ensures efficient cooling.
• Easy installation – standard dimensions facilitate replacement.
• Long service life – resistance to corrosion and high temperatures.
• Safety – protects the engine from overheating.