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Brake Pad Wear Sensors

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DISPLAYING 1 to 5 (of 5 products)
BRAKEPADAC928S4.2.FR.OEM
Product Information
Product Information
Brake wire sensors and shims package Porsche 928 S4 FRONT & REAR SET
Complete set of replacement brake shims and wire sensors, 20 PARTS


oematch

Fits: 
Porsche 928 S4 5.0ltr - 1989 to 1992
Porsche 928 GT 5.0ltr - 1989 to 1991






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BRAKEPADAC928S4.2.FR.OEM
92861231302
92861231304
92861231502
92861231504
92835109619
92835209611
92835209610
92835109617

The product you are viewing cross references to these numbers
Special Order item
92861236502
Product Information
Product Information
Brake pad wear sensors help to indicate if your brake pads need changing. These should normally be replaced when replacing your brake pads.

porsche

front
Porsche 928 1989-91 Front Caliper

Price shown is for each wire sensor.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

92861236502
92861236501
92861236500
92861236502

The product you are viewing cross references to these numbers
92861236502/1
Product Information
Product Information
Brake pad wear sensors help to indicate if your brake pads need changing. These should normally be replaced when replacing your brake pads.

oematch

front
Porsche 928 1989-91 Front Caliper

Price shown is for each wire sensor.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

92861236502
92861236501
92861236500
92861236502

The product you are viewing cross references to these numbers
92861236301/1
Product Information
Product Information
Rear Brake Pad Wear Sensor.
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 alert the driver when the friction material reaches its minimum safe operating thickness. Manufactured to OE specifications for fit, function and reliability, this sensor helps ensure timely brake maintenance and supports safe braking performance.  

rear

Fits:
  • Porsche 928S4 5.0L 1989-92
  • Porsche 928GT 5.0L 1989-91
  • Porsche 928GTS 5.4L 1992-95 

Installed directly into the rear brake pad assembly, the sensor continuously monitors brake pad wear and communicates with the vehicle's brake warning system. When the brake pads wear down to a predetermined limit, the sensor activates the dashboard brake wear warning light, notifying 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 indicator when replacement is required.
  • Provides early warning of rear brake maintenance needs.
  • 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.

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 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 demanding conditions and are exposed to heat, brake dust, 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 brake wear information, potentially resulting in unnecessary warning lights or failure to alert the driver when brake pads require replacement. If brake pads wear beyond their service limit, braking performance can be reduced and costly damage to the 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 rear brake servicing and maintenance.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

92861236301
92861236301
39563
92861236300

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Special Order item
92861236100
Product Information
Product Information
Cable holder brake warning wire. 

Fits front and rear brakes

porsche

front and rear

Fits:
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998
Porsche 944S2 - 1987 to 1991
Porsche 944 turbo - 1985 to 1991
Porsche 968 - 1992 to 1995
Porsche 928 S4 / GTS - 1987 to 1992

Click 'Zoom in' for large parts diagram.
Diagram ref no 21



Related reference numbers
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92861236100
92861236100

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DISPLAYING 1 to 5 (of 5 products)
About Brake Pad Wear Sensors

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.

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