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- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
The OE Match Rear Brake Pad Wear Sensor is a high-quality replacement braking system component designed to monitor rear brake pad wear and provide an early warning when the brake pads reach their minimum service thickness. Manufactured to OE specifications for fit, function and reliability, this sensor forms an integral part of the vehicle's brake wear monitoring system, helping to maintain safe and effective braking performance.
Fits:
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Installed directly into the rear brake pad assembly, the sensor continuously monitors the remaining brake friction material. Once the pads wear to a predetermined limit, the sensor activates the dashboard brake wear warning light, alerting the driver that brake pad replacement is required.
What This Product Does:
- Monitors rear brake pad wear throughout the life of the brake pads.
- Activates the brake wear warning light when service is required.
- Provides early notification of brake maintenance requirements.
- Helps prevent excessive brake pad wear.
- Protects brake discs from damage caused by worn brake pads.
- Supports safe and efficient braking performance.
- Assists with preventative brake system maintenance.
Symptoms Of Wear Or Failure:
- Brake wear warning light remaining illuminated.
- Intermittent brake wear warning messages.
- False brake wear alerts despite sufficient brake pad thickness.
- No warning indication when brake pads are excessively worn.
- Damaged, broken or frayed sensor wiring.
- Corrosion or physical damage to the sensor body.
- Brake monitoring fault codes stored within the vehicle system.
- Warning light remaining active after brake pad replacement.
Why Replacement Matters:
- Rear brake pad wear sensors operate in demanding conditions and are exposed to brake dust, heat, moisture, road debris and constant vibration. In many applications, the sensor is designed to wear alongside the brake pads and should be replaced whenever new rear brake pads are installed to ensure continued monitoring accuracy.
- A damaged or malfunctioning sensor can provide inaccurate information about brake pad condition, potentially resulting in unnecessary warning lights or failure to alert the driver when brake service is required. If brake pads are allowed to wear beyond their safe operating limit, braking efficiency may be reduced and costly damage to the brake discs can occur.
- Replacing a worn rear brake pad wear sensor restores accurate brake wear monitoring, ensures correct operation of the dashboard warning system and helps maintain safe braking performance. An OE Match replacement provides factory-style fitment, dependable operation and long-term reliability, making it an essential component during brake servicing and maintenance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99361236502
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 Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Rear Brake Pad Wear Sensor
Sold each
Maintain the safety and reliability of your Porsche braking
system with this OE Match Rear Brake Pad Wear Sensor. Designed for
Porsche 986 Boxster, Porsche 987.1 Boxster and Porsche 987.1 Cayman models,
this sensor forms an integral part of the factory brake wear monitoring system,
providing an early warning when rear brake pads have reached their service
limit.
Fits:
- 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 Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Installed directly into the rear brake pad assembly, the sensor continuously monitors brake pad thickness. As the friction material wears down, the sensor activates the dashboard brake warning system, alerting the driver that replacement is required. This helps prevent excessive brake wear, protects brake discs and ensures the braking system continues to perform safely and efficiently.
For Porsche sports cars, maintaining the brake wear monitoring system is an important part of preventative maintenance and long-term braking performance.
What Does a Brake Pad Wear Sensor Do?
The brake pad wear sensor is designed to monitor the remaining thickness of the brake pad friction material.
As the brake pad wears, the sensor eventually contacts the brake disc and completes an electrical circuit, triggering the brake wear warning light on the dashboard.
A correctly functioning sensor helps:
- Monitor brake pad condition
- Provide early brake wear warnings
- Prevent excessive brake pad wear
- Protect brake discs from damage
- Improve service planning
- Support safe braking performance
- Maintain factory brake monitoring functionality
The sensor acts as an important safeguard, ensuring brake maintenance can be carried out before braking performance is affected.
Why Do Brake Pad Wear Sensors Fail?
Brake wear sensors operate in a challenging environment exposed to heat, vibration, moisture and brake dust.
Common causes of failure include:
- Normal brake pad wear
- Sensor activation after reaching its wear limit
- Damaged wiring
- Corrosion within electrical connections
- Heat-related deterioration
- Physical damage during brake servicing
- Water ingress
- Age-related component fatigue
Because the sensor is designed to function alongside the brake pad, replacement is generally recommended whenever new brake pads are installed.
When Should a Brake Pad Wear Sensor Be Replaced?
The sensor should be replaced whenever it has been activated, damaged or when brake pads are renewed.
Common symptoms include:
- Brake wear warning light illuminated
- Intermittent brake warning messages
- Damaged sensor wiring
- False brake wear alerts
- Corroded electrical connections
- Sensor damage during servicing
- Rear brake pad replacement due to wear
Replacing the sensor during brake maintenance ensures the warning system continues to operate correctly.
Why Replacement Matters
A functioning brake wear sensor helps maintain braking safety while reducing the risk of costly brake repairs.
Benefits include:
- Accurate brake pad monitoring
- Reliable warning light operation
- Improved braking safety
- Protection of brake discs
- Better maintenance scheduling
- Reduced repair costs
- Improved braking system reliability
- Long-term component protection
For Porsche Boxster and Cayman owners, maintaining the brake wear monitoring system helps preserve the safety and performance expected from the Porsche brand.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98661236501
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