Material: The thermostat shell is made of aluminum, which is lightweight, not easy to deform, and is durable。 Installation steps: Directly replace the damaged car thermostat housing assembly to improve driving safety performance。 For Cayenne For Paramera Engine Coolant Thermostat 06M121678H Features: Made of, wear-resistant plastic, it resists deformation even in high-temperature conditions, ensuring long-term use. Function: This automotive engine thermostat housing helps achieve optimal engine performance, ensuring it operates efficiently at the desired temperature.