Genuine OEM Volkswagen Thermostat Housing, part number 03H121117B. This essential component is designed to house the engine's thermostat, playing a crucial role in regulating coolant flow and maintaining optimal engine operating temperature. Constructed from durable, heat-resistant plastic, it weighs approximately 0.269 kg. Using a genuine OEM thermostat housing ensures precise fitment, proper sealing, and reliable performance within the engine cooling system, preventing leaks and maintaining temperature stability.

Catalogue entry: HOUSING.