Brake Pad Wear Sensors

Brake pad wear sensor
The Brake Pad Wear Sensor is a precision-engineered component designed to monitor brake pad condition and alert you before they reach critical wear levels.
This small but essential part plays a crucial role in maintaining your vehicle’s braking performance, safety, and reliability, ensuring that your brake system functions as it should - every time you drive.
Sold each, 2 required per car

Fits:
Porsche 992.1 Carrera 2019 - 2024
 * cars with 17-inch brake disc, brake caliper YELLOW (PR:A8C,A8F+ 2EC,2EU)
 * cars with 17-inch brake disc, brake caliper RED / BLACK (PR:2EB,2ET)

Porsche 992.1 Turbo 2020 - 2025
 * cars with brake caliper YELLOW (PR:2EC,2EU)
 * cars with PR:2EB,2ET

Porsche 992.2 Carrera S / GTS 2024>>
Porsche 992.2 Turbo 2026>>
 * cars with PCCB brakes, (PR:2EC,2EU)

Diagram ref no 7

Perfectly matched to your vehicle’s braking system, the wear sensor offers an accurate fit and dependable signal transmission, providing real-time feedback to your dashboard warning system.

What It Does
The brake pad wear sensor works by detecting the gradual thinning of your brake pads. When the friction material reaches a predetermined level, the sensor wire completes an electrical circuit, triggering a warning light on the dashboard.

Key Features and Benefits:

• Accurate Wear Detection: Alerts you before the pads reach unsafe levels.
  
• Precision Fitment: Designed to integrate seamlessly into your vehicle’s braking system.
  
• High Durability: Built with heat-resistant materials for longevity under high-stress conditions.
  
• Reliable Signal Transmission: Ensures consistent performance in all driving environments.
  
• Easy Installation: Direct-fit replacement with no modification required. 
  
• Compatible with Advanced Braking Systems: Suitable for vehicles equipped with electronic wear monitoring.

This ensures you always know the exact status of your brake pads, helping prevent unnecessary damage to discs or reduced braking performance.

Why Brake Pad Wear Sensors Fail
Even with robust materials, brake pad wear sensors are exposed to heat, friction dust, and debris that can degrade their effectiveness over time.

Common Causes of Failure:

• Heat Damage: Prolonged exposure to high brake temperatures melts or cracks the sensor wire insulation.
  
• Corrosion or Moisture Ingress: Causes false readings or loss of signal.
  
• Physical Damage: Pinching or abrasion from improper installation or road debris.
  
• Connector Wear: Loose or corroded connectors lead to intermittent warnings.
  
• Old Age: Sensor wires can become brittle over time, reducing reliability.

When a sensor fails, your dashboard warning system may trigger false alerts — or worse, fail to warn you when pads are truly worn out.

Why They Should Be Replaced
Replacing your worn or damaged brake pad wear sensor is vital to maintaining accurate monitoring and safe braking performance.

Benefits of Replacing 

• Accurate Wear Alerts: Receive timely dashboard warnings to prevent brake damage.
• Improved Safety: Ensure optimal braking response and shorter stopping distances.
• Protects Brake Components: Prevents unnecessary wear on discs and calipers.
• Restores Dashboard Functionality: Clears false error lights and warning codes.
• Long-Term Reliability: Made from heat- and corrosion-resistant materials.
• Direct Replacement: Designed for plug-and-play installation — no rewiring required.

This sensor is the perfect upgrade for drivers who value precision, reliability, and peace of mind.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9P1907637C

The product you are viewing cross references to these numbers

Brake pad wear sensor. Front.
Brake pad wear sensors help to indicate if your brake pads need changing. These should normally be replaced when replacing your brake pads.

Fits:
Porsche 992.1 Carrera 2019-2024 (FRONT)
For cars with 17-inch brake disc, brake caliper RED / BLACK (PR:A8F+ 1LR, 1LS)
For cars with 17-inch brake disc, brake caliper YELLOW (PR:A8C,A8F+ 1LQ, 1LX, 1LZ)
Porsche 992.1 Turbo 2020>> (FRONT)

Porsche 992.2 Carrera 2024>> (FRONT) (Not for PCCB Ceramic brakes)
Porsche 992.2 Turbo 2025>> (FRONT)

Price shown is for each wire sensor.
Fits Left or Right

Diagram ref no 7

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9P1907637B

The product you are viewing cross references to these numbers

Brake pad wear sensor. Front.
The Porsche brake pad wear sensor is a electrical monitoring component designed to alert the driver when brake pad material reaches its wear limit. Installed directly into the brake pad, the sensor triggers a dashboard warning once the circuit is broken, helping prevent excessive disc wear and maintaining braking safety. Manufactured to OEM specifications, this OE Match brake wear indicator ensures precise fitment, reliable signal transmission, and long service life. It is designed for seamless integration with your Porsche braking system and is essential when replacing brake pads to ensure accurate wear monitoring. This sensor is a direct replacement for the original Porsche factory-installed part and requires no modification during installation.

Fits:
Porsche 992.1 Carrera 2019-2024 (FRONT)
For cars with 17-inch brake disc, brake caliper RED / BLACK (PR:A8F+ 1LR, 1LS)
For cars with 17-inch brake disc, brake caliper YELLOW (PR:A8C,A8F+ 1LQ, 1LX, 1LZ)
Porsche 992.1 Turbo 2020>> (FRONT)

Porsche 992.2 Carrera 2024>> (FRONT) (Not for PCCB Ceramic brakes)
Porsche 992.2 Turbo 2025>> (FRONT)

Price shown is for each wire sensor.
Fits Left or Right

Diagram ref no 7

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9P1907637B

The product you are viewing cross references to these numbers