Feature 1Applicable Model: Coolant thermostat housing assembly is replacement for EA111, please confirm whether your model is applicable before buying. 2OE Number: The part numbers for reference are 03C121111AM, 03C121111T, 03C121111B, 03C121111AK, please confirm whether it is consistent with the OE you need. 3Improved Efficiency: Thermostat housing assembly can improve the overall efficiency of your vehicle by precisely regulating the flow of coolant, helping to maintain optimal engine temperature. 4Sturdy Material: Made from robust plastics, thermostat housing assembly is designed to withstand extreme temperatures and pressures, ensuring longevity. 5Easy Installation: Thermostat housing assembly has been designed with ease of installation, saving you time and energy, making it an ideal choice for both professionals and DIY enthusiasts. Item Type: Thermostat Housing Assembly Material: Plastic OE: 03C121111AM 03C121111T 03C121111B 03C121111AK Fitment: Fit for EA111 Package List 1 x Thermostat Housing Assembly Note Please double check the part number and fitment of your item, matching information is for reference only.