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Brake Pad Wear Sensors
By OE Match
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19

Porsche 991.1 C2S / C4S 2012-16 FRONT
Porsche 991.2 C2S / C4S 2017>> FRONT
Porsche 991.1 Turbo >>2016 (FRONT)
Porsche 991.2 Turbo 2017>> (FRONT)
Porsche 991 GT3 2014-17 (FRONT)
For Cars with Ceramic brake PCCB (I450)
Porsche 991.1 C2 / C2S / C4 / C4S 2012-16 (FRONT)
Porsche 991.2 C2 / C2S / C4 / C4S 2017>> (FRONT)
Price shown is for each wire sensor.
Fits Left or Right
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99160918100
The product you are viewing cross references to these numbers
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
- Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
- Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
- Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp) 01/2020>>
- Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp) 01/2020>>
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
- Porsche Cayman T 718 2.0L Manual (300 Bhp)
- Porsche Cayman T 718 2.0L PDK (300 Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
- Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
- Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
OE Match Front Brake Pad Wear Sensor - uses
a single pad sensor design, whereas the original Porsche sensor uses a double
pad sensor
Sold each - 2 required per car
Keep your Porsche braking system performing safely with this
OE Match Front Brake Pad Wear Sensor

Fits:
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
- Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
- Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
- Porsche Cayman T 718 2.0L Manual (300 Bhp)
- Porsche Cayman T 718 2.0L PDK (300 Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
- Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
- Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
Brake pad wear sensors provide an early warning when your front brake pads have reached their service limit, allowing them to be replaced before braking performance is affected or damage occurs to the brake discs.
This OE Match replacement uses a single pad sensor design, whereas the original Porsche sensor uses a double pad sensor. Despite this difference, the sensor functions exactly as intended by connecting it to one brake pad only, providing the same reliable brake wear monitoring and dashboard warning operation as the original system.
Manufactured to OE-quality standards, this direct-fit replacement offers dependable performance, excellent durability and outstanding value.
What Does a Brake Pad Wear Sensor Do?
The brake pad wear sensor is an electronic monitoring device fitted to the brake pads. As the friction material wears down, the sensor eventually contacts the brake disc, completing an electrical circuit that illuminates the brake wear warning light on the dashboard.
Its primary functions include:
- Monitoring front brake pad wear.
- Activating the dashboard brake warning light.
- Preventing excessive brake pad wear.
- Helping protect expensive brake discs.
- Supporting scheduled vehicle maintenance.
- Improving braking safety.
The warning system gives the driver sufficient notice to replace the brake pads before braking performance is compromised.
Single Sensor Design
Unlike the original Porsche sensor, which monitors two brake pads, this OE Match version uses one single pad sensor.
This is completely normal for this replacement design and does not affect operation. Simply connect the sensor to one brake pad, where it will function exactly as intended by providing accurate brake wear indication through the factory warning system.
Why Do Brake Pad Wear Sensors Fail?
Brake wear sensors are designed as consumable service components and are normally replaced during every brake pad change.
Common reasons for replacement include:
- Activation after the brake pads reach their wear limit.
- Damage during brake pad removal.
- Heat generated by the braking system.
- Moisture and road contamination.
- Corrosion of the electrical contacts.
- Wiring damage caused by movement or age.
- General deterioration over time.
Once activated, a brake wear sensor should not normally be reused.
When Should the Brake Pad Wear Sensor Be Replaced?
Replacement is recommended whenever:
- The brake wear warning light is illuminated.
- New front brake pads are installed.
- The sensor has contacted the brake disc.
- The wiring becomes damaged.
- Corrosion affects the electrical connector.
- During routine brake servicing.
- Completing a front brake overhaul.
Brake pad wear sensors should normally be replaced whenever replacing your brake pads to ensure accurate brake wear monitoring and reliable long-term operation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99160916500
The product you are viewing cross references to these numbers
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
This has a Single pad sensor which is different to the superseding OE Sensor 9P1907637A that has a Double pad sensor. This will still work as standard by connecting this to any one single pad.

Porsche 991 C2 / C4 3.4L 2012>> (REAR CALIPER)
Porsche 991 C2S / C4S 3.8L 2012>> (REAR CALIPER)
Porsche 992.1 C2 / C2S / C4 / C4S 2019>> (REAR CALIPER)
Porsche 991 GT3 (REAR CALIPER)
without option 450, without IY2
Price shown is for each wire sensor.
Fits Left or Right
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99160918300
The product you are viewing cross references to these numbers
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 R 4.0L (500 Bhp) 2016
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
- Porsche 992.2 Carrera 2 3.0L 2024>>
- Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
This OE Match rear brake pad wear sensor is a replacement sensor wire used on selected Porsche 991 and 992 models. It is fitted to the rear brake caliper area and monitors brake pad wear, helping alert the driver when the rear brake pads are due for replacement. These should normally be replaced when replacing your brake pads.
This has a Double pad sensor same as OE Sensor 9P1907637A

- Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 R 4.0L (500 Bhp) 2016
-
Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16 without
option 450, without IY2
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16 without
option 450, without IY2
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
992.1 For cars with 17-inch brake disc, brake caliper BLACK (PR:A8C+2EB)
992.1 For cars with 17-inch brake disc, brake caliper RED / BLACK (PR:A8F+2EB,
2ET)
- Porsche 992.2 Carrera 2 3.0L 2024>>
- Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
Diagram ref no 7
Price shown is for each wire sensor.Fits Left or Right
Functions
- Monitors rear brake pad wear
- Triggers the brake pad warning system when pads are worn
- Helps prevent excessive brake pad wear
- Protects brake discs from damage caused by worn-out pads
- Supports safe and timely brake maintenance
- Fits rear brake caliper applications
- OE Match replacement for the original rear wear sensor wire
Why Replace This Part?
Brake pad wear sensors are normally replaced when new brake pads are fitted, as the old sensor may be worn, brittle, damaged, or triggered. A faulty or damaged sensor can cause false brake warnings or fail to alert the driver when the pads are worn. Replacing the sensor during rear brake service helps restore correct warning system operation and supports braking safety.
When to Replace This Part
- Rear brake pads are being replaced
- The brake pad wear warning light is displayed
- The sensor wire is worn, cut, brittle, or damaged
- The sensor has contacted the brake disc
- Brake warning faults remain after pad replacement
- Rear brake calipers or pads have been removed for service
- As part of routine rear brake maintenance
Where it fits on the car
This sensor fits on the rear brake caliper / rear brake pad assembly. It is used in the rear braking system to monitor pad wear and connect the brake pad wear circuit to the vehicle’s warning system.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9P1907637A
The product you are viewing cross references to these numbers
-
Disc brake / Front axle - Carrera 2, Carrera 2S, GTS - 991.1 2012-16 602-000
-
Disc brake / Front axle - Carrera 4, Carrera 4S, 4 GTS - 991.1 2012-16 602-001
-
Disc brake / Rear axle - Carrera 2, Carrera 2S, GTS - 991.1 2012-16 603-000
-
Disc brake / Rear axle - Carrera 4, Carrera 4S, 4 GTS - 991.1 2012-16 603-001
OEMatch Brake Pad Wear Sensors — Stopping Power, Consistent Control
OEMatch brake pad wear sensors for Porsche models monitor pad thickness and provide timely warnings when replacement is needed. Accurate sensing supports routine maintenance, helps protect discs from excessive wear and contributes to predictable braking behaviour across classic and modern Porsche vehicles.
Understanding OEMatch Brake Pad Wear SensorsOEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original brake pad wear sensors. OE (Original Equipment) refers to parts matching original specifications for the brake pad wear sensors and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM brake pad wear sensors engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. These sensors detect pad material loss either by completing or interrupting an electrical circuit or by a change in resistance as the pad wears, which triggers a dashboard warning or service message. Sensors are routed and secured close to the pads and rely on intact insulation and secure connectors to deliver reliable signals. OEMatch maintains a wide Porsche-focused catalogue and extensive OE cross-references to help identify the correct item for each model and application.
Benefits Include- Restores accurate pad-wear monitoring so replacements are identified in good time.
- Helps prevent unnecessary disc damage by prompting timely pad changes.
- Simplifies servicing with standardised connections and mounting that fit original locations.
- Supports consistent warning-system behaviour across many Porsche models.
- Exposure to high brake temperatures can melt or crack sensor housings or cable insulation.
- Corrosion or ingress from water and road salt can cause electrical faults.
- Abrasion and vibration can wear or fray sensor cables and protective sleeving.
- Poor connector contacts or incorrect routing during servicing may interrupt the signal.
Replacing faulty or degraded sensors preserves the vehicle’s ability to warn of low pad thickness, reducing the risk of disc damage and helping maintain braking consistency. Timely replacement supports scheduled maintenance and contributes to overall braking system reliability for Porsche models.
Advantages- Wide model coverage and OE cross-references to aid correct part selection.
- Designed to fit original mounting points and clearances for straightforward installation.
- Durable materials and connector designs intended to resist heat and contamination.
- Suitable for maintenance, restoration and routine brake servicing.
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified.