Wahler 4235.80 Engine Coolant Thermostat C with Seal - 80

The Wahler 4235.80 is a precision-engineered engine coolant thermostat designed to regulate coolant flow and maintain optimal engine operating temperature. This 80 degree Celsius (176°F) thermostat kit includes a gasket seal for proper installation.

Key Features:

• 80°C opening temperature for precise thermal regulation
• Includes gasket/seal for leak-free installation
• OEM-quality construction from German manufacturer
• Replaces BMW OEM part numbers 11531710953 and 11531713040
• Direct replacement for factory thermostat

The thermostat sits between the engine and radiator within the thermostat housing, blocking coolant flow until the engine reaches proper operating temperature. Once warmed, the thermostat opens to allow coolant circulation through the radiator. Wahler has specialized in thermostatic engine regulation since the 1930s, pioneering the technology that became the modern automotive thermostat. Manufactured in Germany to OEM specifications, Wahler thermostats deliver reliable temperature control for optimal engine performance and efficiency.