Brake pad wear sensor. Porsche 957 Cayenne Turbo  ❭  95561236572

Rear Brake Pad Wear Sensor 

Maintain the safety and performance of your Porsche braking system with this OE Match Rear Brake Pad Wear Sensor, designed specifically for the Porsche 957 Cayenne Turbo. Manufactured to original equipment specifications, this high-quality replacement brake wear sensor accurately monitors rear brake pad wear and alerts the driver when the pads have reached their service limit.


Fits:

• Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10       

Designed as a direct replacement for the factory sensor, it provides reliable operation, precise fitment and dependable brake wear monitoring, helping to ensure your Porsche continues to deliver the braking performance expected from a high-performance SUV.

What Does the Rear Brake Pad Wear Sensor Do?

The rear brake pad wear sensor, also known as a brake pad warning wire, is fitted to the brake pad and monitors the thickness of the friction material throughout its service life.

Its primary functions include:

• Monitoring rear brake pad wear.
• Activating the dashboard brake wear warning light when replacement is required.
• Helping prevent excessive brake pad wear.
• Protecting expensive brake discs from damage.
• Supporting routine brake maintenance.
• Helping maintain safe braking performance.

This simple but essential component allows brake pads to be replaced before they become dangerously worn.

Why Do Brake Pad Wear Sensors Fail?

Brake wear sensors are exposed to constant heat, moisture, dirt and vibration. Common causes of failure include:

• Normal activation once the brake pads reach their wear limit.
• Damage during brake pad replacement.
• Heat deterioration from repeated braking.
• Corrosion affecting the sensor wiring or connectors.
• Impact damage from road debris.
• Age-related deterioration of the cable insulation.

Once activated, most Porsche brake wear sensors cannot be reused and should always be replaced when new brake pads are fitted.

When Should the Rear Brake Pad Wear Sensor Be Replaced?

The brake pad wear sensor should be replaced whenever:

• New rear brake pads are installed.
• The dashboard brake wear warning light is illuminated.
• The sensor has been damaged during servicing.
• The wiring is cracked or deteriorated.
• The connector shows signs of corrosion.
• The sensor has been activated through normal brake pad wear.

Replacing the sensor during every brake service helps ensure the brake wear monitoring system continues to operate accurately and reliably.