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- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman 2.9L 987C MKII 2009-12
Rear Brake Pad Wear Sensor
Sold each
Maintain the safety, reliability and performance of your
Porsche braking system with this OE Match Rear Brake Pad Wear Sensor. Designed specifically for Porsche 987.1 and 987.2 Boxster and
Cayman models, this sensor forms an essential part of the factory brake wear
monitoring system, providing an early warning when rear brake pads approach
their minimum service thickness.
Fits:
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman 2.9L 987C MKII 2009-12
Mounted within the rear brake pad assembly, the sensor continuously monitors brake pad wear and alerts the driver via the dashboard warning system when replacement is required. This helps prevent excessive brake pad wear, protects expensive brake discs and ensures the braking system continues to perform as Porsche intended.
Whether used on a daily-driven Boxster, a Cayman road car or a track-focused build, maintaining the brake wear monitoring system helps ensure optimum braking performance and safety.
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 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 provides valuable advance warning before braking performance is compromised.
Why Do Brake Pad Wear Sensors Fail?
Brake wear sensors operate in a demanding environment exposed to constant heat cycles, moisture, brake dust and vibration.
Common causes of failure include:
- Normal brake pad wear
- Sensor activation once wear limits are reached
- Damaged wiring
- Corrosion within electrical connectors
- Heat-related deterioration
- Physical damage during brake servicing
- Water ingress Age-related degradation
As the sensor is considered a service component, replacement is generally recommended whenever new brake pads are fitted.
When Should a Brake Pad Wear Sensor Be Replaced?
The sensor should be replaced whenever it has been activated, damaged or when new brake pads are installed.
Common symptoms include:
- Brake wear warning light illuminated
- Intermittent brake warning messages
- Damaged or broken sensor wiring
- False brake wear warnings
- Corroded sensor connectors
- Sensor damage during brake servicing
- Rear brake pad replacement due to wear
Replacing the sensor during routine brake maintenance helps ensure continued reliability of the brake monitoring system.
Why Replacement Matters
A functioning brake wear sensor helps maintain braking safety while protecting other brake system components.
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 brake component protection
For Porsche Boxster and Cayman owners, maintaining the brake wear monitoring system helps preserve both performance and peace of mind.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98761267601
The product you are viewing cross references to these numbers
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Brake Pad Wear Sensor - Front
Sold each - 2 required per car
Maintain the safety and reliability of your Porsche braking
system with this OE Match Brake Pad Wear Sensor, designed for
Porsche 928 models produced between 1978 and 1985. This sensor forms part of
the factory brake wear monitoring system, providing an early warning when brake
pads approach their service limit.
Fits:
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
The brake pad wear sensor is installed within the brake pad and is designed to trigger a warning light when the friction material wears to a predetermined level. This allows drivers to replace brake pads before braking performance is compromised or damage occurs to the brake discs.
For a high-performance grand touring car such as the Porsche 928, maintaining the braking system in optimum condition is essential for both safety and driving enjoyment.
What Does a Brake Pad Wear Sensor Do?
The brake pad wear sensor continuously monitors the thickness of the brake pad 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 correctly functioning sensor helps:
- Monitor brake pad condition
- Provide early wear warnings
- Prevent excessive brake pad wear
- Protect brake discs from damage
- Improve maintenance planning
- Enhance braking safety
- Support reliable vehicle operation
The sensor acts as an important safeguard, helping owners identify when brake service is required.
Why Do Brake Pad Wear Sensors Fail?
Brake wear sensors operate in a harsh environment exposed to heat, moisture, road debris and vibration.
Common causes of failure include:
- Normal brake pad wear
- Sensor activation during pad wear
- Damaged sensor wiring
- Corrosion in electrical connections
- Heat-related deterioration
- Physical damage during brake servicing
- Water and dirt contamination
- Age-related material fatigue
In many cases, the sensor is designed as a service item and should be replaced whenever it has been triggered or damaged.
When Should a Brake Pad Wear Sensor Be Replaced?
Brake wear sensors should typically be replaced during brake pad replacement or whenever a fault is identified.
Common symptoms include:
- Brake wear warning light illuminated
- Intermittent brake warning messages
- Damaged or broken sensor wiring
- False brake wear warnings
- Sensor damage during brake servicing
- Corrosion around the sensor connection
- Brake pads being replaced due to wear
Replacing the sensor when fitting new brake pads helps ensure the monitoring system continues to operate correctly.
Why Replacement Matters
A functioning brake pad wear sensor provides an important warning system that helps protect both the braking system and vehicle occupants.
Benefits include:
- Accurate brake wear monitoring
- Improved vehicle safety
- Reduced risk of brake damage
- Early maintenance alerts
- Protection of expensive brake discs
- Reliable dashboard warning operation
- Improved servicing accuracy
- Long-term braking system reliability
For Porsche 928 owners, maintaining the brake wear monitoring system helps preserve the safety and performance expected from a Porsche grand tourer.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92861231501
The product you are viewing cross references to these numbers
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
The OE Match Brake Pad Wear Sensor is a high-quality replacement braking system component designed to monitor brake pad wear and alert the driver when the brake pads have reached their service limit. Manufactured to OE specifications for fit, function and reliability, this sensor forms an important part of the vehicle's brake wear monitoring system.
Fits:
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Installed directly into the brake pad assembly, the sensor provides an electrical signal to the vehicle's dashboard warning system when the brake friction material becomes excessively worn. This helps ensure brake maintenance is carried out at the correct interval, protecting both braking performance and associated braking components.
What This Product Does:
- Monitors brake pad wear levels.
- Triggers the brake pad wear warning light when pads reach their service limit.
- Helps prevent excessive brake pad wear.
- Protects brake discs from damage caused by worn brake pads.
- Supports safe and effective braking performance.
- Assists with preventative brake system maintenance.
- Provides early warning of required brake servicing.
Symptoms Of Wear Or Failure:
- Brake pad wear warning light remaining illuminated.
- Intermittent brake wear warning messages.
- False brake wear warnings despite adequate pad thickness.
- No brake wear warning when pads are excessively worn.
- Damaged, broken or corroded sensor wiring.
- Physical damage to the sensor body.
- Electrical fault codes related to the brake wear monitoring system.
- Warning lights remaining active after brake pad replacement.
Why Replacement Matters:
- Brake pad wear sensors are exposed to heat, moisture, road debris, brake dust and constant vibration. During normal operation, the sensor is designed to wear alongside the brake pads and often requires replacement when new brake pads are installed.
- A faulty or damaged sensor can provide inaccurate wear readings, potentially leading to unnecessary warning lights or, more importantly, failure to alert the driver when brake pads require replacement. This can result in excessive brake pad wear, brake disc damage and reduced braking efficiency.
- Replacing a worn or damaged brake pad wear sensor ensures accurate brake wear monitoring, restores proper warning system functionality 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.
92861231305
The product you are viewing cross references to these numbers
- Porsche 928 4.5L 1978-82
The OE Match Brake Pad Wear Sensor is a high-quality replacement braking system component designed to continuously monitor brake pad condition and provide a warning when the friction material reaches its minimum safe thickness. Manufactured to OE specifications for fit, function and reliability, this sensor helps ensure timely brake maintenance and supports safe vehicle operation.
Fits:
- Porsche 928 4.5L 1978-82
Installed directly into the brake pad assembly, the wear sensor forms part of the vehicle's brake monitoring system. When the brake pads wear down to a predetermined level, the sensor triggers the dashboard brake wear warning light, notifying the driver that brake pad replacement is required.
What This Product Does:
- Monitors brake pad wear throughout the service life of the pads.
- Activates the brake pad wear warning indicator when replacement is required.
- Helps prevent excessive brake pad wear.
- Protects brake discs from damage caused by worn friction material.
- Supports safe and effective braking performance.
- Assists with preventative brake maintenance.
- Provides early warning of brake service requirements.
Symptoms Of Wear Or Failure:
- Brake wear warning light remaining illuminated.
- Intermittent brake pad warning messages.
- False brake wear warnings despite healthy brake pads.
- No warning light when brake pads are excessively worn.
- Damaged, broken or corroded sensor wiring.
- Physical damage to the sensor body.
- Fault codes relating to the brake wear monitoring system.
- Warning light remaining active after brake pad replacement.
Why Replacement Matters:
- Brake pad wear sensors operate in demanding conditions and are constantly exposed to heat, brake dust, moisture, road debris and vibration. In many applications, the sensor is designed to wear alongside the brake pads and should be replaced during brake servicing to ensure continued monitoring accuracy.
- A damaged or worn sensor can provide inaccurate brake wear information, potentially resulting in unnecessary warning lights or failure to alert the driver when brake pads have reached their service limit. If brake pads are allowed to wear excessively, braking performance can be reduced and costly damage to the brake discs may occur.
- Replacing a worn brake pad wear sensor restores accurate brake wear monitoring, ensures proper operation of the 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 maintenance and pad replacement.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92861231100
The product you are viewing cross references to these numbers