The BOSCH Brake Pad Wear Indicator, part number 1 987 473 010, is a crucial safety component designed to notify you when your brake pads have reached their minimum thickness. When brake pads wear down to a critical level, this indicator makes contact, typically producing an audible squealing sound. This sound serves as a clear warning that your braking system requires attention. Regularly checking and replacing worn brake pads is essential for safe driving. This indicator helps you stay on top of maintenance, preventing potential damage to brake discs and ensuring your vehicle stops effectively. Trust in BOSCH quality for reliable performance. This wear indicator is engineered to meet stringent standards, providing a dependable alert system for your vehicle's braking needs.