1. Compatibility: Original standard, ABS sensor replaces Model 3 from 2017. Please confirm whether your model is applicable before purchasing. 2. OEM Number for Reference: The manufacturer's replacement part number for reference is 1044771 00 D. Check your OEM part number for correct fitment. 3. Function: The ABS sensor is to transmit the wheel speed to the brake system when braking, to control the wheels, 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: The wheel speed sensor can be used for direct replacement of old or damaged ones according to the original factory standards. Specification: Item Type: Rear Wheel ABS Sensor Material: ABS Usage Position: Rear Wheel OEM: 1044771 00D Compatibility: Replacement for Model 3 2017+. Package List: 1 x ABS Sensor Note: 1. Please check the part number of your item, the matching information is for reference only. 2. If you are not sure about the item, please contact us before purchasing to avoid unnecessary return, thank you!