Global Parts 1815873 Disc Brake Pad Wear Sensor - Rear

Brake Wear Sensor for Audi Rear Applications

Global Parts 1815873 is a direct replacement disc brake pad wear sensor for rear brake systems on select Audi models without ceramic brakes. It monitors brake pad thickness and sends a wear alert when the pads reach service limits, helping maintain consistent braking performance and driver awareness.

Key Features

• Direct replacement brake wear sensor for rear applications
• Blade terminal type with 2 terminals
• Female connector with oval connector shape
• Male terminal gender for secure electrical connection
• 1-wire design with wiring harness included
• Built for accurate brake pad wear detection
• Part number: 1815873

Detailed Description

This Global Parts brake wear sensor is engineered for rear brake pad monitoring on Audi A6 allroad, A7 Sportback, Q5, Q5 PHEV, Q8 e-tron Sportback, S6, S7 Sportback, SQ5 Sportback, SQ8, SQ8 e-tron Sportback, e-tron Quattro, e-tron S, e-tron S Sportback, e-tron Sportback, A6 Quattro, Q5 Sportback, SQ5, and S7 models listed below. It is a direct replacement for the original sensor and is designed to provide reliable wear detection so the vehicle can alert the driver when brake pads are thinning. Part number 1815873 also cross-references Holstein 2BWS0502 for the same application.

Vehicle Fitment

• Fits 2020-2025 Audi A6 allroad, rear, without ceramic brakes
• Fits 2019-2025 Audi A7 Sportback, rear, without ceramic brakes
• Fits 2018-2025 Audi Q5, rear, without ceramic brakes
• Fits 2020-2025 Audi Q5 PHEV, rear, without ceramic brakes
• Fits 2024-2025 Audi Q8 e-tron Sportback, rear, without ceramic brakes
• Fits 2020-2025 Audi S6, rear, without ceramic brakes
• Fits 2020-2025 Audi S7 Sportback, rear, without ceramic brakes
• Fits 2021-2025 Audi SQ5 Sportback, rear, without ceramic brakes
• Fits 2024-2025 Audi SQ8, rear, without ceramic brakes
• Fits 2024-2025 Audi SQ8 e-tron Sportback, rear, without ceramic brakes
• Fits 2024 Audi Q8 e-tron, rear, without ceramic brakes
• Fits 2019-2023 Audi e-tron Quattro, rear, without ceramic brakes
• Fits 2022-2023 Audi e-tron S, rear, without ceramic brakes
• Fits 2022-2023 Audi e-tron S Sportback, rear, without ceramic brakes
• Fits 2021-2023 Audi e-tron Sportback, rear, without ceramic brakes
• Fits 2019-2022 Audi A6 Quattro, rear, without ceramic brakes
• Fits 2021-2022 Audi Q5 Sportback, rear, without ceramic brakes
• Fits 2018-2022 Audi SQ5, rear, without ceramic brakes
• Fits 2020 Audi S7, rear, without ceramic brakes

Installation Notes and Tips

Verify rear brake configuration and confirm the vehicle is not equipped with ceramic brakes before installation. Inspect the connector, terminal style, and harness routing against the original sensor to ensure proper fitment. Replace the sensor when brake pads are serviced if the existing wear indicator is damaged, brittle, or has triggered a warning.

Quality Assurance

Global Parts supplies this brake wear sensor as a direct replacement component built for accurate brake wear detection and dependable electrical connection. The design follows the listed OE-style fitment and connector specifications for the Audi rear brake applications shown above.