MSPORT CONNECTING CABLE SERVO PUMP Genuine Porsche part 99761277591

Brake pad wear sensor, for Front Left caliper.
OE Match replacement sensor designed to monitor the wear level of the front left brake pads on Porsche Boxster 987 and Cayman 987C models. When the brake pad lining reaches a predetermined thickness, this sensor triggers a warning message on the dashboard to alert the driver that service is needed.

Fits:
Porsche 987.1 Boxster 2.7L 2005 - 2008  Front Left Caliper
Porsche 987C.1 Cayman 2.7L 2006 - 2008  Front Left Caliper

Diagram ref no 7

This OE Match brake pad wear sensor is engineered to match original Porsche specifications for electrical characteristics, connector type, and mechanical fit. It functions as a reliable early-warning device that detects excessive pad wear before the pads are fully depleted, helping prevent rotor damage and maintain safe braking performance.

Replacing a worn, damaged, or missing wear sensor with this OE Match unit ensures the vehicle’s brake monitoring system works as intended, helping you stay ahead of service intervals and maintain optimal brake health.

The brake pad wear sensor detects when the friction material on the front left brake pad has worn down to a serviceable limit. It sends a signal to the vehicle’s dashboard or onboard computer, prompting a brake service notification so pads can be replaced before damage or performance degradation occurs.

Function:
• Monitors brake pad wear on the front left axle
• Interfaces with the vehicle’s warning system
• Helps prevent rotor contact from worn pads

Brake pads naturally wear with use, and without a functioning wear sensor, you may not receive timely notification of service needs. Ignoring worn pads can lead to increased stopping distances, brake noise, and damage to rotors. Installing a proper OE Match brake pad wear sensor ensures accurate monitoring, timely pad changes, and continued confidence in your braking performance.

When to replace:
•  Brake wear warning light is illuminated
•  Sensor damaged, corroded, or missing
•  After replacing front brake pads
•  During brake system servicing or upgrades
•  If wiring/connectors show signs of wear

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Related, superseded, cross reference or alternative numbers for comparison.

99761275501

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Brake pad wear sensors help to indicate if your brake pads need changing. These should normally be replaced when replacing your brake pads.


Porsche 997 C2 MKI 2005>> Front Caliper
Porsche 987 Boxster S 2004-08 Front Caliper
Porsche 987C Cayman S 2004-08 Front Caliper
Porsche 987 Boxster / Boxster S MKII 2009>> Front Caliper
Porsche 987C Cayman / Cayman S MKII 2009>> Front Caliper

Price shown is for each wire sensor.

Please select below Left or Right

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

99761275

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Brake pad wear sensor, Rear.
High-quality OE Match replacement rear brake pad wear sensor, engineered to match original Porsche specifications for monitoring rear brake pad wear. Designed for Porsche 997 models, this sensor works with the vehicle’s onboard diagnostic system to provide timely alerts when the rear brake pads approach the service limit.
Sold individually, typically 2 sensors per axle for complete rear pad sets

Fits:

Porsche 997.2 C2 2009 - 2012 Rear Caliper
Porsche 997.2 C4 / C4S 2009 - 2012 Rear Caliper
Porsche 997 TT / GT2 2007 - 2013 Rear Caliper
Porsche 997 GT3 2007 - 2013 Rear Caliper

The rear brake pad wear sensor detects when the brake pad material has worn to its minimum safe thickness and signals the vehicle’s warning system. This alert enables brake servicing before the pads cause damage to other braking components.

Function:
•  Monitors rear brake pad wear
•  Interfaces with the vehicle’s onboard warning system
•  Helps prevent brake rotor damage from worn pads

Brake pads naturally wear down with use. A functioning brake pad wear sensor ensures you receive timely alerts before the pads reach critically low levels. Without a reliable sensor, pad wear may go unnoticed, leading to reduced braking performance, rotor damage, and safety concerns - especially on performance-oriented vehicles like the 997.

When to replace:
•   Brake wear warning light appears
•   Sensor wiring or connector is damaged or corroded
•   After rear brake pad replacement
•   During routine brake system servicing
•   When upgrading brake components

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

99761275402

The product you are viewing cross references to these numbers

Brake pad wear sensor.
The purpose of a brake pad wear sensor is to monitor pad thickness. When the pad material wears to a certain point, the sensor closes a circuit or sends a signal to the vehicle's brake control module, alerting the driver to replace the pads. Built to OEM specifications, it ensures the correct connector type, length, mounting clamp interface, and resistance calibration, consistent with factory parameters. It should normally be replaced when replacing your brake pads.
Sold each.


Porsche 997 C2S MKI 2005-08 Front Caliper
Porsche 997 C2S MKII 2009>> Front Caliper

• Position on Vehicle: Mounted adjacent to the front disc brake pads, typically clipped into the caliper or pad backing plate with the sensor end extending to contact the rotor or matching pad drain hole.

• Applications: Ideal when the original wear sensor has failed, is missing, or during brake pad replacement to ensure the wear-warning circuit remains intact and fully functional.

The brake pad wear sensor is a small yet essential part of your vehicle’s safety system. When it fails or is removed, your brake pad wear monitoring may become inactive - leading to unnoticed pad depletion, increased rotor wear or even unscheduled brake failure. Replacing it ensures that when your pads reach their safe limit, you’ll receive an accurate alert and can service your brakes in time.

When and why to replace:
• The brake pad wear warning light is showing, indicating the sensor circuit has been triggered or failed.
• The sensor wiring is damaged, corroded, or the sensor itself is missing or reused excessively.
• During brake pad replacement - fitting a new sensor ensures the system remains fully functional.
• After any caliper or brake overhaul where the original sensor connection might have been disturbed.
• When using non-standard or aggressive brake pads, where ensuring the warning circuit works is particularly important.

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

997612

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