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Brake pad wear sensor. Porsche 928 1978 › 92861231303
- Porsche 928 4.5L 1978-82
Maintain the reliability of your Porsche's brake wear monitoring system with this OE Match Rear Brake Pad Wear Sensor. Produced to OE-style specifications, this rear brake pad wear sensor is designed to accurately monitor the condition of the rear brake pads and activate the dashboard warning light when the friction material reaches its service limit. Manufactured from high-quality, heat-resistant materials with durable insulated wiring and precision electrical connectors, it provides dependable performance, an accurate fit, and long service life for Porsche maintenance, repairs, and restoration projects.

Fits:
- Porsche 928 4.5L 1978 - upto chassis number 92881 01800
The rear brake pad wear sensor forms an integral part of the vehicle's braking safety system by providing an early warning when brake pad replacement is required. As the brake pads wear, the sensor contacts the brake disc, completing the warning circuit and alerting the driver. During brake servicing, the sensor should always be inspected and replaced if worn, damaged, or activated to maintain the accuracy of the brake wear monitoring system.
What This Product Does:
- Monitors the wear level of the rear brake pads.
- Activates the dashboard brake wear warning when pads reach their service limit.
- Helps prevent excessive brake pad wear.
- Supports safe and timely brake maintenance.
- Provides reliable electrical communication with the vehicle's warning system.
- Replaces worn, damaged, or activated brake pad wear sensors.
- Provides an OE-style fit for straightforward installation.
Symptoms Of Wear Or Failure:
- Rear brake pad wear warning light remaining illuminated.
- Brake wear warning failing to operate correctly.
- Damaged, broken, or frayed sensor wiring.
- Worn or activated brake pad wear sensor during brake servicing.
- Corrosion affecting the electrical connector.
- Physical damage sustained during brake pad replacement.
- Intermittent brake wear warning faults.
Why Replacement Matters:
- The rear brake pad wear sensor is an important safety component that continuously monitors rear brake pad condition and alerts the driver when replacement is required. A damaged or previously activated sensor may provide inaccurate information, resulting in false warning messages or failure to indicate excessive brake pad wear, potentially leading to unnecessary brake disc damage and reduced braking performance.
- Replacing the brake pad wear sensor whenever new rear brake pads are installed helps maintain the accuracy of the brake wear monitoring system and ensures timely brake servicing. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match Rear Brake Pad Wear Sensor provides reliable fit, performance, and durability for Porsche maintenance, repairs, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92861231303
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
The OE Match Brake Pad Wear Sensor is a high-quality replacement braking system component designed to monitor brake pad wear and provide a warning when the brake pads reach their minimum service thickness. Manufactured to OE specifications for fit, function and reliability, this sensor helps ensure brake maintenance is carried out at the correct time, protecting both braking performance and associated brake components.
Fits:
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Installed directly into the brake pad assembly, the wear sensor continuously monitors the remaining friction material. When the brake 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 brake pad wear throughout the life of the brake pads.
- Activates the brake wear warning light when pads reach their service limit.
- Provides early notification of required brake maintenance.
- 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 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 system fault codes relating to the wear monitoring circuit.
- Warning light remaining active after brake pad replacement.
Why Replacement Matters:
- Brake pad wear sensors operate in demanding 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 brake pads are fitted to ensure continued monitoring accuracy.
- A damaged or malfunctioning sensor can provide inaccurate wear information, potentially leading to unnecessary warning lights or failure to alert the driver when brake pads require replacement. If brake pads are allowed to wear beyond their service limit, braking performance may be compromised and costly damage to the brake discs can occur.
- Replacing a worn brake pad wear sensor restores accurate brake 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 servicing and maintenance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95561236552
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
Porsche 955 MKI Cayenne All Rear Caliper
Porsche 957 MKII Cayenne GTS Rear Caliper
Porsche Cayenne (957) 3.0L DIESEL MKII Rear
Price shown is for each wire sensor.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95561236532
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
Porsche 955 MKI Cayenne All Rear Caliper
Porsche 957 MKII Cayenne GTS Rear Caliper
Porsche Cayenne (957) 3.0L DIESEL MKII Rear
Diagram ref no: 9
Price shown is for each wire sensor.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95561236532
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10

Porsche 955 MKI Cayenne Turbo / Turbo S Front Caliper
Porsche 957 MKII Cayenne Turbo Front Caliper 2009-10
This product supersedes Porsche's old part numbers:
- 95561236550
Need two sensors.
Price shown is for each wire sensor.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95561236552
The product you are viewing cross references to these numbers
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