The HELLA 6PU 358 217-231 wheel speed sensor is a critical component for modern vehicle safety systems. It precisely monitors the rotation of each wheel, providing essential data to the Anti-lock Braking System (ABS) and Electronic Stability Program (ESP). By accurately detecting changes in wheel speed, this sensor helps prevent wheel lock-up during braking and maintains vehicle stability during challenging driving conditions. A malfunctioning wheel speed sensor can lead to illuminated ABS warning lights and compromised safety system performance. HELLA is a trusted brand known for its high-quality automotive components. This sensor is engineered to meet stringent industry standards, ensuring reliable performance and durability. Installation is straightforward, making it a direct replacement for your original equipment.