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Brake Pad Wear Sensors
- Porsche 928GTS 5.4L 1992-95
Complete set of replacement brake shims and wire sensors, 20 PARTS

Fits:
Porsche 928 GTS 5.4ltr - 1992 to 1995
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
BRAKEPADAC928GTS.FR.OEM
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 928S4 5.0L 1987-92
Complete set of replacement brake shims and wire sensors, 20 PARTS

Fits:
Porsche 928 S4 5.0ltr - 1987
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
BRAKEPADAC928S4.FR.OEM
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 928S4 5.0L 1987-92
Complete set of replacement brake shims and wire sensors, 20 PARTS

Fits:
Porsche 928 S4 5.0ltr - 1988
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
BRAKEPADAC928S4.1.FR.OEM
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
Complete set of replacement brake shims and wire sensors, 20 PARTS

Fits:
Porsche 928 S4 5.0ltr - 1989 to 1992
Porsche 928 GT 5.0ltr - 1989 to 1991
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
BRAKEPADAC928S4.2.FR.OEM
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 928 4.5L 1978-82
Complete set of replacement brake wire sensors, 4 PARTS

Fits:
Porsche 928 4.5ltr - 1978 to 1980
For cars between chassis numbers - 92-88101800 and 92-A0800749
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
BRAKEPADAC928.FR.OEM
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Complete set of replacement brake wire sensors, 4 PARTS

Fits:
Porsche 928 4.5ltr - 1980 to 1982 *
Porsche 928 S 4.7ltr - 1981 to 1983
Porsche 928 S2 4.7ltr - 1984 to 1985
* Between chassis number 92-88101800 and 92-A0800749
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
BRAKEPADAC928S.FR.OEM
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86


Porsche 928 1978-82 From Chassis No 92881 001801>> (Rear Caliper)
Porsche 928 S 1981-83
Porsche 928 S2 - 1984 to 1985
Price shown is for each wire sensor.
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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
- 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


Porsche 928 1978 up to chassis number 92881 01800 (Rear Caliper)
Price shown is for each wire sensor.
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Related, superseded, cross reference or alternative numbers for comparison.
92861231303
The product you are viewing cross references to these numbers
- Porsche 928 4.5L 1978-82


Porsche 928 1978- upto chassis number 92881 01800 (Rear Caliper)
Price shown is for each wire sensor.
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Related, superseded, cross reference or alternative numbers for comparison.
92861231303
The product you are viewing cross references to these numbers
- Porsche 928 4.5L 1978-82


Porsche 928 1978-79 Front Caliper
Cars upto chassis no 9288101800 Front Caliper
Price shown is for each wire sensor.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92861231100
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
- Porsche 928 4.5L 1978-82


Porsche 928 1978-80 Front Caliper Cars with chassis upto 9288101801
Price shown is for each wire sensor.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92861231104
The product you are viewing cross references to these numbers
- Porsche 928 4.5L 1978-82
Front Brake Pad Wear Sensor - Sold each
Maintain the safety and reliability of your Porsche braking
system with this OE Match Front Brake Pad Wear Sensor, designed for
Porsche 928 models produced between 1978 and 1980 from chassis number
9288101801 onwards. This sensor forms an important part of the factory brake
wear monitoring system, providing an early warning when the front brake pads
approach their minimum safe operating thickness.
#front
Fits:
- Porsche 928 4.5L 1978-82 – from chassis number 9288101801
Installed directly into the front brake pad assembly, the sensor continuously monitors brake pad wear and activates the dashboard brake warning light when replacement is required. This allows owners to service the braking system before braking performance deteriorates or expensive brake disc damage occurs.
For a high-performance grand touring car such as the Porsche 928, maintaining the brake wear monitoring system is essential for preserving both safety and driving confidence.
What Does a Brake Pad Wear Sensor Do?
The brake pad wear sensor monitors the remaining thickness of the brake pad friction material throughout its service life.
As the brake pad wears down, the sensor eventually makes contact with 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 scheduling
- Support safe braking performance
- Maintain factory brake monitoring functionality
The sensor acts as an important preventative maintenance component, helping drivers address brake wear before performance is compromised.
Why Do Brake Pad Wear Sensors Fail?
Brake wear sensors operate in a harsh environment exposed to heat, moisture, brake dust and vibration.
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 material fatigue
Because the sensor is designed to work alongside the brake pads, it is considered a service item and should typically be replaced whenever new brake pads are fitted.
When Should a Brake Pad Wear Sensor Be Replaced?
Replacement is recommended whenever the sensor has 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 connectors
- Sensor damage during servicing
- Front brake pad replacement due to wear
Replacing the sensor at the same time as the brake pads helps ensure the brake monitoring system continues to function correctly.
Why Replacement Matters
A functioning brake wear sensor helps maintain braking performance while protecting expensive brake system components.
Benefits include:
- Accurate brake pad monitoring
- Reliable dashboard warning operation
- Improved vehicle safety
- Protection of brake discs
- Reduced maintenance costs
- Better servicing planning
- Improved braking system reliability
- Long-term brake component protection
For Porsche 928 owners, maintaining the brake wear monitoring system helps preserve the performance and refinement expected from Porsche's flagship grand tourer.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92861231104
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 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
The OE Match Rear Brake Pad Wear Sensor is a high-quality replacement braking system component designed to monitor the condition of the rear brake pads and provide a warning when the friction material reaches its minimum safe thickness. Manufactured to OE specifications for fit, performance and reliability, this sensor plays a vital role in maintaining safe braking performance and ensuring timely brake maintenance.
Fits:
- Porsche 928S2 4.7L 1986
- Porsche 928S4 5.0L 1987-88
Installed directly into the rear brake pad assembly, the sensor forms part of the vehicle's brake wear monitoring system. When the brake pads wear down to a predetermined service limit, the sensor activates the dashboard brake wear warning light, alerting the driver that rear brake pad replacement is required.
What This Product Does:
- Monitors rear brake pad wear throughout the service life of the brake pads.
- Activates the brake wear warning light when brake pads require replacement.
- 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 effective 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 warnings despite adequate brake pad thickness.
- No warning light 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 constantly 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 rear brake pads are fitted to maintain accurate wear monitoring.
- 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 wear beyond their safe operating limit, braking performance can be compromised and costly damage to brake discs may occur.
- Replacing a worn rear brake pad wear sensor restores accurate brake wear monitoring, ensures proper 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.
92861231304
The product you are viewing cross references to these numbers
Porsche Brake Pad Anti-Wear Sensors | Design911 Precision Components for Safety, Monitoring & Maintenance
Brake pad anti-wear sensors play a vital role in your Porsche’s braking system by monitoring pad thickness and alerting you when replacement is needed. By providing real-time data, these sensors help prevent excessive wear, protect brake discs, and maintain braking safety. Replacing worn or damaged sensors ensures your Porsche’s onboard systems can accurately detect pad wear — preserving both performance and peace of mind.
At Design911, we supply a comprehensive range of brake pad anti-wear sensors designed for precise fitment and dependable performance. Manufactured using high-grade materials and advanced sensor technology, our components ensure accurate readings under all driving conditions. Ideal for routine maintenance, restoration, or brake system upgrades, these sensors help your Porsche maintain its legendary braking precision.
What Do Brake Pad Anti-Wear Sensors Do?
Brake pad wear sensors are an essential electronic component that monitor the condition of your brake pads and alert the driver when they need replacement.
Core Functions:
• Continuously monitor brake pad thickness.
• Trigger dashboard warning lights when pads reach the wear limit.
• Protect brake discs from damage caused by worn pads.
• Support preventative maintenance and consistent braking performance.
• Ensure optimal braking efficiency and driver safety.
Accurate brake pad sensors allow you to maintain Porsche’s high standards of safety, performance, and responsiveness.
Why Do Brake Pad Anti-Wear Sensors Fail or Degrade?
Because they operate in extreme environments near the wheels and brakes, wear sensors are exposed to heat, friction, and contamination, which can cause malfunction or damage over time.
Common Causes of Failure Include:
• Melting or cracking due to high brake temperatures.
• Corrosion or electrical failure from water and road salt.
• Cable wear or fraying caused by vibration or debris.
• Poor connections or sensor dislodgement during servicing.
• Age-related degradation of wiring or insulation.
When a sensor fails, the system may provide false warnings or fail to detect worn pads, increasing the risk of brake system damage or reduced safety.
Why Replace or Upgrade Your Porsche Brake Pad Anti-Wear Sensors?
Replacing faulty or aged sensors ensures your Porsche’s braking system continues to deliver accurate monitoring and performance reliability. Design911’s precision-engineered sensors are crafted for long-term durability and compatibility across Porsche models.
Key Benefits:
• Restores accurate brake pad wear monitoring.
• Prevents unnecessary pad or disc wear.
• Heat- and moisture-resistant design for long-lasting reliability.
• Plug-and-play fitment for easy installation.
• Engineered for exact Porsche compatibility.
• Ideal for maintenance, upgrades, or complete brake servicing.
Design911’s Porsche brake pad anti-wear sensors ensure consistent safety alerts and reliable performance — maintaining the precision and quality expected of every Porsche braking system.
Highlights
• Premium Porsche brake pad wear sensors for accurate
monitoring.
• Designed to withstand extreme heat and vibration.
• Ensures timely replacement of brake pads for safety.
• Protects discs and braking components from excessive wear.
• Compatible with classic and modern Porsche models.
• Perfect for servicing, restoration, or performance upgrades.