Global Parts 1815816 Disc Brake Pad Wear Sensor - Rear

Brand Global Parts 1815816
Position Rear
Fits Audi · 14 vehicles

Direct replacement. Accurate brake wear detection with reliable pad-thinning alerts.

Disc brake pad wear sensor for timely brake pad replacement alerts.

Cross-references HOLSTEIN 2BWS0023, Raybestos Brakes EWS131 and 4H0615121H for the same application. See all 6.

$22.98Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Disc Brake Pad Wear Sensors are typically replaced in pairs, axle by axle.
Order total $22.98
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Rear Brake Wear Sensor for Audi A8 Quattro and S8

Global Parts 1815816 is a direct replacement disc brake pad wear sensor for rear applications. It provides brake pad wear detection for select Audi models, helping alert the driver when pad thickness reaches service limits.

Key Features

  • Direct replacement brake wear sensor for rear brake applications
  • Designed for accurate brake pad wear detection
  • Supports timely brake pad service intervals
  • Fits 2011-2018 Audi A8 Quattro, rear
  • Fits 2013-2018 Audi S8, rear

Detailed Description

This Global Parts disc brake pad wear sensor is built for rear brake monitoring on the Audi A8 Quattro and Audi S8. Part number 1815816 is engineered as a direct replacement for the original sensor, with fitment coverage for 2011-2018 Audi A8 Quattro, rear, and 2013-2018 Audi S8, rear. This part cross-references Holstein 2BWS0023 for the same application.

By tracking brake pad thickness, the sensor helps the vehicle report when pads are nearing replacement. That makes 1815816 a practical choice for drivers maintaining factory-style brake wear monitoring on Audi A8 Quattro and S8 rear brake systems.

What This Part Helps Address

  • Brake pad wear warning light staying on
  • Failed or damaged rear brake wear sensor
  • Loss of brake pad wear monitoring function
  • Service reminders tied to worn rear brake pads
  • Replacement needs after rear brake service

Installation Notes and Tips

Verify rear axle fitment before ordering and compare the connector and routing to the original sensor on the vehicle. Inspect the brake pads and related wiring during service, and replace the sensor when the brake wear monitoring circuit has been damaged or triggered by pad wear.

Quality Assurance

Global Parts 1815816 is a direct replacement brake wear sensor built for accurate wear detection on supported Audi applications. It is intended to match the original function for rear brake monitoring on the listed vehicles.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2018AudiA8 Quattro4.0LV8Rear—
2018AudiS84.0LV8Rear—
2017AudiA8 Quattro3.0LV6Rear—
2017AudiS84.0LV8Rear—
2016AudiA8 Quattro6.3LW12Rear—
2016AudiS84.0LV8Rear—
2015AudiA8 Quattro6.3LW12Rear—
2015AudiS84.0LV8Rear—
2014AudiA8 Quattro3.0LV6Rear—
2014AudiS84.0LV8Rear—
2013AudiA8 Quattro6.3LW12Rear—
2013AudiS84.0LV8Rear—
2012AudiA8 Quattro4.2LV8Rear—
2011AudiA8 Quattro4.2LV8Rear—
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
HOLSTEIN — 2BWS0023Raybestos Brakes — EWS1314H0615121HES115835SW0321V10721327