30 cm Car Heater Temperature Sensor for Webasto Eberspächer Air Diesel Specifications: Model: I15901 Product Name: Car Heater Temperature Sensor Color: As shown in the picture Material: Plastic Length: 30 cm (approximately) Number of pieces: 1 piece Fits: For Webasto Air Diesel Car Heater (Compatibility is for reference only. Please compare with your original part before purchasing.) Features: -The internal temperature sensor (in the control unit) is installed to measure the air temperature at the heater's inlet. It measures the air temperature at the air intake. Based on this temperature, it changes the heater's operating status and adjusts the heating power. -The external temperature sensor is an optional part that requires additional configuration and can be placed in the heating locations you need. It works on the same principle as the internal temperature sensor. Package includes: 1 x Car Heater Temperature Sensor. Note: 1. We provide clear pictures and measurements where possible. Please check as much as possible to ensure this is the item you need. 2. Please allow a 0.5-1 inch difference due to manual measurement. (1 inch = 2.54 cm) 3. Instructions are not included in the package. Professional installation is strongly recommended.