URO

URO 4G0615121 Disc Brake Pad Wear Sensor - Rear, Rear Left or Rear Right

Brand URO 4G0615121
Position Rear, Rear Left, and Rear Right
Wiring Harness Length 169
Terminal Type Blade
Wire Quantity 2
Connector Quantity 1
Connector Shape Oval
Terminal Quantity 2
Connector Gender Female
Wiring Harness Included Yes
Attachment Method Clip
Color Black
Mounting Position Na
Retainer Clip Included No
Type Na
Usage Na
Wiring Harness Length (In) 6.65
Fits Audi and Porsche · 43 vehicles

Cross-references Centric Parts 116.33010, Hella Pagid 355252411 and Raybestos Brakes EWS148 for the same application. See all 8.

$20.45Free 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 $20.45
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Brake Pad Wear Sensor Overview

This URO disc brake pad wear sensor is built to OE dimensions for accurate fitment and reliable electrical connection. It is a direct replacement for applications that use a rear brake pad wear warning circuit, including Audi and Porsche models listed below.

Part number 4G0615121 is designed with a female oval connector, blade terminals, and a two-wire harness to match the original sensor layout. The 6.65-inch harness length and clip attachment help maintain the factory routing and connection style.

Key Features

  • OE-dimensioned sensor for factory-style fitment
  • Female oval connector with blade terminals
  • Two-wire harness with black insulation
  • Clip attachment for secure routing
  • Heat- and weather-resistant wiring and connectors
  • 24-month unlimited mileage warranty

Detailed Description

URO part number 4G0615121 is a disc brake pad wear sensor for rear brake applications. It uses a single connector, two terminals, and a molded harness design to match the original electrical interface. This helps maintain proper pad wear warning function on compatible Audi A6 Quattro, Audi A7 Quattro, Audi A6, Audi RS5, Audi S6, Audi S7, and Porsche Macan applications.

The sensor is manufactured to OE dimensions and uses wiring and connectors selected to resist braking heat and harsh road exposure. This makes it a practical replacement when servicing the brake system on vehicles that rely on electronic pad wear monitoring. Part number 4G0615121 is also cross-referenced with Centric Parts 116.33010 for the same application.

What It Is Used For

  • Restoring brake pad wear warning operation
  • Replacing a damaged or worn sensor during brake service
  • Addressing warning light issues caused by sensor wear
  • Maintaining factory-style electrical connection at the brake assembly

Installation Notes and Tips

Replace the brake pad wear sensor whenever the pads are replaced, as noted by the manufacturer. Verify connector shape, terminal style, and harness routing before installation. This part fits 2012-2018 Audi A6 Quattro, rear; 2012-2018 Audi A7 Quattro, rear; 2013-2016 Audi S7, rear left and rear right; 2012-2014 Audi A6, rear; 2013-2014 Audi RS5, rear; 2013-2014 Audi S6, rear left and rear right; and 2015-2020 Porsche Macan, rear left and rear right, excluding vehicles with the ceramic brake disc option.

Quality Assurance

URO manufactures this sensor to OE dimensions and backs it with a 24-month unlimited mileage warranty.

This part fits 43 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2020PorscheMacanRear LeftNot For Cars with Ceramic Brake Disc Option
2020PorscheMacanRear RightNot For Cars with Ceramic Brake Disc Option
2019PorscheMacanRear LeftNot For Cars with Ceramic Brake Disc Option
2019PorscheMacanRear RightNot For Cars with Ceramic Brake Disc Option
2018AudiA6 QuattroRear
2018AudiA7 QuattroRear
2018PorscheMacanRear LeftNot For Cars with Ceramic Brake Disc Option
2018PorscheMacanRear RightNot For Cars with Ceramic Brake Disc Option
2017AudiA6 QuattroRear
2017AudiA7 QuattroRear
2017PorscheMacanRear LeftNot For Cars with Ceramic Brake Disc Option
2017PorscheMacanRear RightNot For Cars with Ceramic Brake Disc Option
2016AudiA6 QuattroRear
2016AudiA7 QuattroRear
2016AudiS7Rear Left
2016AudiS7Rear Right
2016PorscheMacanRear LeftNot For Cars with Ceramic Brake Disc Option
2016PorscheMacanRear RightNot For Cars with Ceramic Brake Disc Option
2015AudiA6 QuattroRear
2015AudiA7 QuattroRear
2015AudiS7Rear Left
2015AudiS7Rear Right
2015PorscheMacanRear LeftNot For Cars with Ceramic Brake Disc Option
2015PorscheMacanRear RightNot For Cars with Ceramic Brake Disc Option
2014AudiA6Rear
2014AudiA6 QuattroRear
2014AudiA7 QuattroRear
2014AudiRS5Rear
2014AudiS6Rear Left
2014AudiS6Rear Right
2014AudiS7Rear Left
2014AudiS7Rear Right
2013AudiA6Rear
2013AudiA6 QuattroRear
2013AudiA7 QuattroRear
2013AudiRS5Rear
2013AudiS6Rear Left
2013AudiS6Rear Right
2013AudiS7Rear Left
2013AudiS7Rear Right
2012AudiA6Rear
2012AudiA6 QuattroRear
2012AudiA7 QuattroRear
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Centric Parts — 116.33010Hella Pagid — 355252411Raybestos Brakes — EWS148Standard Ignition — PWS302URO — 4G0615121VEMO — V10-72-12824G0 615 121URO-015959