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- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
- Porsche 992.1 Turbo 3.8L 2020-24
- Porsche 992.1 Turbo S 3.8L 2020-24
- Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
- Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
- Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
- Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
- Porsche 992.2 Targa 4 GTS 3.6L 2024>>
- Porsche 992.2 Turbo 3.6L 2024>>
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
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
Front & Rear Brake Pad Wear Sensor
Sold each
Maintain the safety and performance of your Porsche braking
system with this OE Match Brake Pad Wear Sensor. Suitable for front
and rear brake applications on selected Porsche 986 Boxster, Porsche 996,
Porsche 996 turbo and Porsche 997 models, this sensor forms a vital part of the
factory brake wear monitoring system.
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
The brake pad wear sensor continuously monitors brake pad thickness and alerts the driver when replacement is required. By providing an early warning before the friction material becomes excessively worn, the sensor helps protect brake discs, maintain braking performance and prevent costly repairs.
For high-performance Porsche sports cars, maintaining the brake wear monitoring system is essential to ensure optimum braking efficiency and vehicle safety.
What Does a Brake Pad Wear Sensor Do?
The brake pad wear sensor is fitted directly into the brake pad and monitors the remaining friction material.
As the brake pad wears down, the sensor eventually contacts the brake disc and completes an electrical circuit that activates the brake wear warning light on the dashboard.
A properly functioning sensor helps:
- Monitor brake pad condition
- Provide early brake wear warnings
- Prevent excessive brake pad wear
- Protect brake discs from damage
- Improve maintenance planning
- Support safe braking performance
- Maintain factory brake monitoring functionality
The sensor serves as an important preventative maintenance tool, helping owners replace brake pads before braking performance is affected.
Why Do Brake Pad Wear Sensors Fail?
Brake wear sensors operate in a demanding environment exposed to heat, vibration, moisture and road contamination.
Common causes of failure include:
- Normal brake pad wear
- Sensor activation after pad wear reaches its limit
- Damaged wiring
- Corrosion in electrical connections
- Heat-related deterioration
- Physical damage during brake servicing
- Water ingress
- Age-related material degradation
Because the sensor is designed to operate alongside the brake pads, it is often recommended to replace the sensor whenever new brake pads are installed.
When Should a Brake Pad Wear Sensor Be Replaced?
Brake wear sensors should be replaced whenever they have been activated, damaged or when brake pads are renewed.
Common signs include:
- Brake wear warning light illuminated
- Intermittent brake warning messages
- Broken or damaged sensor wiring
- False brake wear warnings
- Corroded sensor connectors
- Sensor damage during brake servicing
- Brake pad replacement due to wear
Replacing the sensor during brake maintenance helps ensure the brake monitoring system continues to function correctly.
Why Replacement Matters
A functioning brake wear sensor helps protect your braking system while maintaining safety and reliability.
Benefits include:
- Accurate brake pad monitoring
- Reliable warning light operation
- Improved vehicle safety
- Protection of brake discs
- Reduced maintenance costs
- Better service planning
- Improved braking system reliability
- Long-term braking system protection
For Porsche owners, maintaining the brake wear monitoring system helps preserve the performance, safety and confidence expected from the marque.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99661236501
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
Porsche 996 C2 / C4 / C4S Front & Rear Caliper
Porsche 996 Turbo Front & Rear Caliper
Porsche 986 Boxster 1997-2004 Front Caliper
Porsche 997 C2 / C4 MKI Rear Caliper
Price shown is for each wire sensor.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99661236501
The product you are viewing cross references to these numbers