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Porsche // Cayenne 9PA1 (957) 2007-2010 // 957 Cayenne S / GTS 4.8L 2007-10
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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 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
Porsche 955 MKI Cayenne All Rear Caliper
Porsche 957 MKII Cayenne GTS Rear Caliper
Porsche Cayenne (957) 3.0L DIESEL MKII Rear
Price shown is for each wire sensor.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95561236532
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
The OE Match Front Brake Pad Wear Sensor is a premium-quality replacement braking system component designed to accurately monitor the condition of the front brake pads on compatible Porsche models. Manufactured to OE specifications for fit, performance and durability, this sensor provides an early warning when the brake pads have reached their service limit, allowing timely replacement to maintain optimum braking performance and vehicle safety.
Fits:
- Porsche 957 Cayenne 3.6L 2007-08
- Porsche 957 Cayenne S / GTS 4.8L 2007-08
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-08
Manufactured using high-quality heat-resistant materials with durable insulated wiring and corrosion-resistant electrical connectors, the brake pad wear sensor is engineered to withstand the extreme temperatures, brake dust, moisture and vibration associated with the front braking system. Designed for direct OE-style installation, it integrates seamlessly with the vehicle's electronic brake wear monitoring system, ensuring reliable operation and factory-correct functionality.
What This Product Does:
- Monitors the wear level of the front brake pads.
- Sends a warning signal when the brake pads reach their service limit.
- Activates the dashboard brake pad wear warning light.
- Helps ensure brake pads are replaced at the correct service interval.
- Supports safe and consistent braking performance.
- Integrates with the vehicle's electronic brake monitoring system.
- Restores factory brake wear monitoring functionality.
- Forms an essential part of the front braking system.
Symptoms Of Wear Or Failure:
- Brake pad wear warning light remaining illuminated.
- Brake pad warning light failing to illuminate despite worn brake pads.
- Intermittent brake wear warning messages.
- Brake system fault codes relating to the wear sensor.
- Damaged or broken sensor wiring.
- Corroded or damaged electrical connector.
- Physical damage during brake servicing.
- Incorrect brake wear indication.
- Dashboard brake system warning message.
- MOT or vehicle inspection concerns relating to the braking system.
Why Replacement Matters:
- The front brake pad wear sensor operates in a harsh environment where it is exposed to high temperatures, brake dust, water, road debris and vibration. As the brake pads wear, the sensor is designed to make contact with the brake disc at a predetermined point, triggering the dashboard warning light. Once activated, or if damaged during servicing, the sensor should always be replaced.
- A faulty or damaged wear sensor can provide inaccurate brake wear information, potentially delaying essential brake maintenance or generating unnecessary warning messages. This can result in excessive brake pad wear, damage to the brake discs and compromised braking performance.
- Replacing the brake pad wear sensor whenever new brake pads are installed restores accurate brake wear monitoring and reliable warning system operation. The OE Match Front Brake Pad Wear Sensor is manufactured to OE standards using premium-quality materials, providing factory-style fitment, dependable performance and long-lasting durability, helping maintain the safety, reliability and braking performance expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95561236562
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Fits:
Porsche 957 Cayenne 2009-10 (FRONT axle)
* brake caliper painted Yellow (PCCB - ceramic brake)
Please note: You may also need support OE part nr 95535193300.
Price shown is for each wire sensor.
Fits Left or Right
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95561236581
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Price shown is for each wire sensor.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95561236532
The product you are viewing cross references to these numbers