Brake Pad Wear Sensor - Suits Audi Q7, A4, A5, Q5, A8, VW Touareg

Replacement brake pad wear sensor manufactured by TOPRAN, designed for the front axle. Direct replacement for VAG OEM part number 4M0615121AB (also replaces 4M0615121R / 4M0615121S), helping restore correct pad wear warning operation.

Key Features:

  • Direct replacement for VAG OEM part number 4M0615121AB (also replaces 4M0615121R / 4M0615121S)

  • Brake pad wear sensor (front axle)

  • Brake type: Disc brake

  • Wear warning contact: Change warning contact together with the pads

  • Cable length: 405 mm

  • OEM-quality aftermarket part by TOPRAN

  • Brand number (TOPRAN): 638 951 001

Compatible With:
Audi A4 B9 Saloon (8W2) (2015-2026)
Audi A4 B9 Avant (8W5) (2015-2026)
Audi A5 B9 Sportback (F5A) (2016-2026)
Audi A5 B9 Cabriolet (F57) (2017-2026)
Audi A6 C8 Saloon (4A2) (2018-2026)
Audi A6 C8 Avant (4A5) (2018-2026)
Audi A7 Sportback (4KA) (2018-2026)
Audi A8 (4N2) (2017-2026)
Audi Q5 (FY) (2016-2026)
Audi Q5 Sportback (80A) (2020-2026)
Audi Q7 (4M) (2015-2026)
Audi Q8 (4MN) (2018-2026)
Volkswagen Touareg III (CR) (2018-2026)

Year Range:
2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026

Fitment Note:
This is an aftermarket replacement part, not a genuine OEM component.

Shipping

We're committed to delivering fast, reliable shipping across New Zealand.

Most orders are processed within 24 hours (Monday to Friday) and shipped via overnight service for small items.

Larger items typically arrive within 1-2 business days.

You'll receive a tracking link as soon as your order is collected for delivery.

✅ Fitment Confirmation


European vehicles can vary significantly by build date, trim level, and factory options.
That’s why we ask for your rego at checkout.

Our team manually verifies every order against official manufacturer parts catalogues to ensure 100% correct fitment before dispatch.

You don’t need to decode VIN numbers or production splits — we handle the technical side for you.
To qualify for our 100% Fitment Guarantee, please provide your rego when ordering.

Orders placed without a rego or VIN cannot be covered under our Fitment Guarantee.

Related Products

Recently Viewed Products