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- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MKII Carrera C2S 3.8L 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 997 Carrera 2S and Carrera 4S
models, this sensor forms a vital part of the factory brake wear monitoring
system, helping drivers monitor rear brake pad condition and schedule
maintenance before braking performance is affected.
Fits:
Installed directly into the rear brake pad assembly, the wear sensor monitors the remaining thickness of the brake pad friction material. When the pads approach their minimum service limit, the sensor activates the dashboard brake wear warning light, alerting the driver that replacement is required.
For high-performance sports cars such as the Porsche 997 Carrera S models, maintaining the brake wear monitoring system is essential for preserving braking efficiency, protecting expensive brake components and ensuring maximum driving confidence.
What Does a Brake Pad Wear Sensor Do?
The brake pad wear sensor continuously monitors brake pad thickness throughout its service life.
As the brake friction material wears down, the sensor eventually contacts the brake disc and completes an electrical circuit, triggering the brake wear warning light on the instrument cluster.
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 maintenance scheduling
- Support safe braking performance
- Maintain factory brake monitoring functionality
The sensor acts as an important preventative maintenance component, helping avoid costly brake repairs.
Why Do Brake Pad Wear Sensors Fail?
Brake wear sensors are exposed to extreme operating conditions including heat, vibration, moisture and road contamination.
Common causes of failure include:
- Normal brake pad wear
- Sensor activation when brake pads reach their wear limit
- Damaged wiring
- Corrosion in electrical connectors
- Heat-related deterioration
- Water ingress
- Physical damage during brake servicing
- Age-related material fatigue
As brake wear sensors are considered service items, they should be replaced whenever they become activated or damaged.
When Should a Brake Pad Wear Sensor Be Replaced?
Replacement is recommended whenever brake pads are changed or if the sensor has become damaged.
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
- Rear brake pad replacement due to wear
Replacing the sensor during brake pad replacement ensures the monitoring system continues to function correctly.
Why Replacement Matters
A functioning brake wear sensor helps maintain braking safety and protects expensive brake system components.
Benefits include:
- Accurate brake pad monitoring
- Reliable dashboard warning operation
- Improved braking safety
- Protection of brake discs
- Reduced maintenance costs
- Better servicing planning
- Improved brake system reliability
- Long-term braking component protection
For Porsche 997 owners, maintaining the brake wear monitoring system helps preserve both performance and peace of mind.
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Porsche 971.1 Panamera 2017-2020 (FRONT)
* For cars with Front disc brakes 20", brake caliper painted Yellow (PCCB - ceramic brake) (option code: 1LV)
* For cars with Front disc brakes 20", brake caliper painted Acid Green, PCCB (option code: 1ZQ)
Porsche 971.2 Panamera 2021-2023 (FRONT)
* For cars with PCCB - ceramic brake (option code: 1LQ / 1LX)
Porsche Taycan 2020>> (FRONT)
* For cars with Front disc brakes 19", Yellow/Black brake caliper (option code: 1LQ / 1LX)
Porsche Taycan >>04/02/2020 (FRONT)
* For cars with Front disc brakes 19", 415x40, White brake caliper (option code: 1LZ/ 1ZP)
Price shown is for each wire sensor.
CODES:
1LV - Front disc brake 20" disc diameter plus brake caliper painted Yellow (PCCB)
1ZQ - Front disc brake, disc diameter 20", brake caliper painted Acid Green, PCCB
1LX - (Panamera) - Front disc brake, PCCB, high-gloss black
1LQ - (Panamera) - Front disc brake, PCCB
1LX - (Taycan) - Front disc brake
1LQ - (Taycan) - Front disc brake with integrated backing plate
1LZ - Disc brake in front
1ZP - Disc brake in front (Geomet D)
K8S - Sports Sedan
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- Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4S 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4S Diesel V8 4.0L 4WD (422 Hp) 2017-18
- Porsche 971.1 Panamera 4S Diesel 4.0L Twin-Turbo V8 Sport Turismo 2017-18
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD Executive 2017-20
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- Porsche 971.2 Panamera 2.9L V6 2021-23
- Porsche 971.2 Panamera 4 2.9L V6 2021-23
- Porsche 971.2 Panamera 4 Sport Turismo 2.9L V6 2021-23
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- Porsche 971.2 Panamera GTS Sport Turismo 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S Sport Turismo 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S E-Hybrid 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S E-Hybrid Sport Turismo 4.0L V8 2021-23
Porsche 971.1 Panamera 2017-2020 (REAR)
* For cars with Rear disc brakes 18", brake caliper painted Black, (option code: 1KF / 1KZ)
* For cars with Rear disc brakes 18", brake caliper in anodised Silver, (option code: 2EE)
* For cars with Rear disc brakes 18", brake caliper painted Silver (NAR), (option code: 2EJ)
* For cars with Rear disc brakes 17", brake caliper painted Black, (option code: 1KW)
* For cars with Rear disc brakes 19", brake caliper painted Green, (option code: 1KA / 1KJ)
* For cars with Rear disc brakes 19", brake caliper painted Black, (option code: 1KB / 1KU)
* For cars with Rear disc brakes 19", brake caliper painted Silver, (option code: 2EA / 2EF)
* For cars with Rear disc brakes 19", brake caliper painted Red, (option code: 2EN)
* For cars with Rear disc brakes 19", brake caliper painted Yellow, PCCB (option code: 1EH)
* For cars with Rear disc brakes 20", brake caliper painted Red, (option code: 1KC / 1KG / 2EG / 2EM)
* For cars with Rear disc brakes 20", brake caliper painted Yellow, PCCB (option code: 1KQ)
* For cars with Rear disc brakes 20", brake caliper painted Acid Green (option code: 2ED)
Porsche 971.2 Panamera 2021>> (REAR)
* For cars with Rear disc brakes 18", brake caliper painted Black (option code: 2ET / 2EY)
* For cars with Rear disc brakes 18", brake caliper painted Acid Green (option code: 2ED)
* For cars with Rear disc brakes 20", brake caliper painted Black, PCCB (option code: 2EC / 2EU)
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Porsche 971.1 Panamera 2017-2020 (REAR)
* For cars with Rear disc brakes 18", brake caliper painted Black, (option code: 1KF / 1KZ)
* For cars with Rear disc brakes 18", brake caliper in anodised Silver, (option code: 2EE)
* For cars with Rear disc brakes 18", brake caliper painted Silver (NAR), (option code: 2EJ)
* For cars with Rear disc brakes 17", brake caliper painted Black, (option code: 1KW)
* For cars with Rear disc brakes 19", brake caliper painted Green, (option code: 1KA / 1KJ)
* For cars with Rear disc brakes 19", brake caliper painted Black, (option code: 1KB / 1KU)
* For cars with Rear disc brakes 19", brake caliper painted Silver, (option code: 2EA / 2EF)
* For cars with Rear disc brakes 19", brake caliper painted Red, (option code: 2EN)
* For cars with Rear disc brakes 19", brake caliper painted Yellow, PCCB (option code: 1EH)
* For cars with Rear disc brakes 20", brake caliper painted Red, (option code: 1KC / 1KG / 2EG / 2EM)
* For cars with Rear disc brakes 20", brake caliper painted Yellow, PCCB (option code: 1KQ)
* For cars with Rear disc brakes 20", brake caliper painted Acid Green (option code: 2ED)
Porsche 971.2 Panamera 2021>> (REAR)
* For cars with Rear disc brakes 18", brake caliper painted Black (option code: 2ET / 2EY)
* For cars with Rear disc brakes 18", brake caliper painted Acid Green (option code: 2ED)
* For cars with Rear disc brakes 20", brake caliper painted Black, PCCB (option code: 2EC / 2EU)
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