Genuine OEM Volkswagen Engine Thermostat Housing, part number 03C121118D. This essential component is responsible for enclosing the engine's thermostat, precisely regulating the flow of coolant to maintain the engine at its optimal operating temperature. It is situated within the engine cooling system. Constructed from robust, heat-resistant plastic, it weighs approximately 0.047 kg. Using a genuine OEM thermostat housing ensures proper sealing, accurate temperature control, and long-term durability, preventing coolant leaks and engine overheating.

Catalogue entry: COVER.

Fitted with: 03C121119 SEAL. RING.