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- Porsche 911 1978-1989 3.3L Turbo (930)
The OE Match Rear Brake Pad Wear Sensor is a high-quality replacement braking system component designed to monitor the wear of the rear brake pads and provide an early warning when the friction material reaches its minimum safe operating thickness. Manufactured to OE specifications for fit, function and reliability, this sensor helps maintain optimum braking performance and supports timely brake maintenance.
Fits:
- Porsche 911 1978-1989 3.3L Turbo (930)
Installed directly into the rear brake pad assembly, the sensor forms part of the vehicle's brake wear monitoring system. As the brake pads wear down, the sensor detects when the service limit has been reached and 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 indicator 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 consistent braking performance.
- Assists with preventative maintenance of the braking system.
Symptoms Of Wear Or Failure:
- Brake wear warning light remaining illuminated.
- Intermittent brake wear warning messages.
- False brake wear alerts despite adequate 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 harsh conditions and are continuously exposed to brake dust, heat, moisture, road debris and vibration. In many applications, the sensor is designed to wear alongside the brake pads and should be replaced whenever new brake pads are fitted to ensure accurate brake wear monitoring.
- A damaged or malfunctioning sensor can provide inaccurate wear information, potentially causing unnecessary warning lights or failing to notify the driver when brake pads have reached their replacement limit. If brake pads are allowed to wear excessively, braking performance can be reduced and expensive damage to the brake discs may 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.
93061221100
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 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Front Brake Pad Wear Sensors - Sold each
Maintain the safety and performance of your Porsche braking
system with these OE Match Front Brake Pad Wear Sensors. Designed for Porsche 997 Carrera, Porsche 987 Boxster S and
Porsche 987 Cayman S models, these sensors form a critical part of the factory
brake wear monitoring system, providing an early warning when front brake pads
approach their minimum service thickness.
Fits:
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Mounted directly within the front brake pad assembly, the sensors continuously monitor brake pad wear and trigger the dashboard brake warning light when replacement is required. This allows owners to schedule brake maintenance before braking performance is affected or expensive brake disc damage occurs.
For high-performance Porsche sports cars, maintaining a fully operational brake wear monitoring system is essential for preserving braking efficiency, safety and long-term reliability.
What Do Brake Pad Wear Sensors Do?
Brake pad wear sensors monitor the remaining thickness of the brake pad friction material throughout its service life.
As the brake pads wear 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 sensors act as a valuable preventative maintenance feature, helping avoid unnecessary brake system damage.
Why Do Brake Pad Wear Sensors Fail?
Brake wear sensors are exposed to significant heat, vibration, moisture and road contamination during normal use.
Common causes of failure include:
- Normal brake pad wear
- Sensor activation after reaching wear limits
- Damaged wiring
- Corrosion within connectors
- Heat-related deterioration
- Physical damage during brake servicing
- Water ingress Age-related material fatigue
Because the sensor is designed to work alongside the brake pads, replacement is normally recommended whenever new brake pads are installed.
When Should Brake Pad Wear Sensors Be Replaced?
Brake wear sensors should be replaced whenever they have been activated, damaged or during brake pad replacement.
Common symptoms include:
- Brake wear warning light illuminated
- Intermittent brake warning messages
- Damaged or broken sensor wiring
- False brake wear warnings
- Corroded electrical connections
- Sensor damage during brake servicing
- Front brake pad replacement due to wear
Replacing the sensors during routine brake maintenance ensures the warning system remains fully operational.
Why Replacement Matters
A functioning brake wear monitoring system helps maintain both safety and braking performance.
Benefits include:
- Accurate brake pad monitoring
- Reliable warning light operation
- Improved braking safety
- Protection of brake discs
- Reduced maintenance costs
- Better service planning
- Improved braking system reliability
- Long-term component protection
For Porsche owners, replacing worn brake wear sensors helps maintain factory braking standards and driving confidence.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99761275
The product you are viewing cross references to these numbers
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
For cars with Ceramic brake PCCB (I450)
Porsche 997.1 C2 / C2S 2005-08 FRONT
Porsche 997.2 C2 / C2S 2009-12 FRONT
Porsche 997.2 Carrera GTS / 4 GTS 2009-12 FRONT
Porsche 987.1 Boxster S 2005-08 FRONT
Porsche 987.2 Boxster S / Boxster Spyder 2009-12 FRONT
Porsche 987C.1 Cayman S 2005-08 FRONT
Porsche 987C.2 Cayman S / Cayman R 2009-12 FRONT
Price shown is for each wire sensor.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99761267
The product you are viewing cross references to these numbers