1、Fitment: Original standard, ABS sensor is replacement for Tesla Model 3 2017 onwards. Please confirm whether your model is applicable before buying. 2、Reference OEM Number: Replacing manufacturer part number for reference is 1044771 00 D. Double check your OEM part number for proper fitment. 3、Function: ABS sensor is to feedback the speed of the wheels to the braking system when braking, so as to control the wheels, in order to achieve the best braking effect. 4、Durable Material: The sensor is made of reinforced ABS plastic and metal to ensure robustness, long term performance and excellent wear resistance. 5、Perfect Replacement: Wheel speed sensor can be used for direct replacement of old or damaged ones according to original factory standards.