Szwaldaper Thermostat Housing 11531437040 11606020036 11537509227, for 3 Series E36 E46 5 Series E39 E60 X3 Thermostat Housing

Fitment: For 3 Series E36 E46 5 Series E39 E60 X3 Supports Coolant Flow Regulation: This thermostat housing plays a key role in directing engine coolant through the proper channels. It works in conjunction with the thermostat to support stable engine temperatures during warm-up and operation Restores Cooling Circuit Integrity: Cracks or leaks in the original housing can to coolant loss. This car thermostat casing helps restore sealing and flow accuracy, supporting consistent temperature control under varying driving conditions Essential Cooling System Component: As part of the engine’s coolant network, this thermostat cover helps ensure efficient circulation between the engine block and radiator. It’s a practical replacement during repairs or regular maintenance Clean Installation and Fitment: The engine coolant outlet design allows for easy integration with the existing cooling layout. It supports a secure and reliable connection that helps maintain system pressure and fluid direction over time