Description
The Rear Brake Pad Wear Sensor (Part No. 4M0615121P) is a genuine OEM Audi braking system component designed to monitor rear brake pad thickness and notify the driver when replacement is required.
This sensor continuously checks pad wear and sends a signal to the vehicle’s dashboard warning system, ensuring timely maintenance and enhanced braking safety. Manufactured to factory specifications, it provides accurate readings, reliable electrical connectivity, and long service life even under high temperatures and harsh braking conditions.
For optimal performance, it is recommended to replace the wear sensor whenever installing new brake pads to maintain correct monitoring and avoid false alerts.

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