Holstein 2BWS0223 Disc Brake Pad Wear Sensor - Front

Front Brake Pad Wear Sensor for Porsche and Volkswagen

Holstein Parts 2BWS0223 is a front disc brake pad wear sensor built for vehicles equipped with a pad wear monitoring system. It uses a male connector with an oval shape, 1 connector, and 2 terminals for a direct-style electrical connection at the front brake assembly.

Compatible With Porsche Cayenne, Porsche Panamera, Porsche 911, and Volkswagen Touareg front applications listed below. If your vehicle uses a monitored front brake setup, this sensor helps restore the warning circuit used to track pad wear.

Key Features

• Disc brake pad wear sensor for front brake applications
• Holstein Parts 2BWS0223 part number for catalog matching
• 1 connector, oval connector shape, male terminal design
• 2-terminal electrical interface
• Fits select Porsche Cayenne, Panamera, 911, and Volkswagen Touareg models

Fitment Details

• Fits 2018 Porsche Cayenne, front, PR:1ZA,1ZB, 1LH,1LN,1LU, 1ZT,1LD,1ZL.
• Fits 2018 Volkswagen Touareg, front, disc brakes in front [1LW].
• Fits 2017 Porsche Cayenne, front, 18 or 19 inch disc; without Ceramic Brake (PCCB).
• Fits 2017 Volkswagen Touareg, front, PR-1LJ; PR-1LW; PR-1LG.
• Fits 2015-2016 Porsche 911, front.
• Fits 2011-2016 Porsche Cayenne, front, with 18 or 19 inch disc diameter, brake caliper painted in silver, red or black.
• Fits 2010-2016 Porsche Panamera, front, without Ceramic Brake.
• Fits 2011-2016 Volkswagen Touareg, front, with Ceramic Brake.
• Fits 2013-2014 Porsche 911, front, with iron disc.

What It Helps Address

• Brake pad wear warning light staying on after pad service
• Faulty or damaged front brake wear sensor wiring
• Open or intermittent wear sensor circuit at the front axle
• Incorrect pad wear signal after brake component replacement
• Loss of brake pad monitoring on equipped Porsche or Volkswagen models

Installation Notes

Verify the connector shape, terminal count, and front-position fitment before installation. Match the vehicle’s brake configuration and option codes, especially on Porsche Cayenne, Panamera, 911, and Volkswagen Touareg applications with ceramic or iron disc variations. Inspect the sensor routing and connector seating during brake service to avoid false wear warnings.

This part cross-references Standard Ignition PWS309 and Raybestos Brakes EWS121 for the same application.

Quality Assurance

Holstein Parts 2BWS0223 is cataloged as a brake sensor replacement part with application-specific fitment data for select Porsche and Volkswagen front brake systems. Use the listed vehicle notes to confirm the correct configuration before ordering.