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          Genuine VW/Audi 8W0615121E - Disc Brake Pad Wear Sensor (Rear)

          MPN: 8W0615121E
          The Genuine VW/Audi 8W0615121E Brake Pad Wear Sensor monitors brake pad thickness, providing alerts for replacement to enhance safety and performance.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $97.02
          Out of stock

          Genuine VW/Audi Disc Brake Pad Wear Sensor 8W0615121E - For Audi Vehicles

          Manufacturer Part Number: 8W0615121E

          Description

          The Genuine VW/Audi Disc Brake Pad Wear Sensor, part number 8W0615121E, is a premium-quality replacement component designed to ensure the smooth functioning of your Audi's brake system. This sensor, compatible with part number 4M0-615-121-P, plays a critical role in your vehicle's safety by providing an early warning system that alerts you when it's time to replace your brake pads.

          Engineered to OEM standards, this brake pad wear sensor is made from high-quality materials to withstand wear and tear, delivering long-lasting performance. Its precise fit and compatibility with your Audi's system make installation simple and hassle-free, allowing you to maintain your vehicle with confidence.

          By utilizing this essential component, you not only enhance the reliability of your braking system but also prolong the life of your brake pads, ultimately saving on costly repairs. Drive with peace of mind, knowing that your brakes are functioning optimally with the Genuine VW/Audi Disc Brake Pad Wear Sensor.

          Cross Reference Numbers

          • 4M0-615-121-P
          • 4M0615121P

          Vehicle Compatibility

          This part fits some of the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility.

          • Audi RS6 Avant / 4.0V8, 2021-2022
          • Audi RS5 / 2.9V6, 2021-2022
          • Audi RS5 Sportback / 2.9V6, 2021-2022
          • Audi RS Q8 / 4.0V8, 2021-2022
          • Audi Q8 / 3.0V6, 2021-2022
          • Audi Q7 / 2.0L4, 2021-2022
          • Audi Q7 / 3.0V6, 2021-2022
          • Audi SQ8 / 4.0V8, 2021-2022
          • Audi SQ7 / 4.0V8, 2021-2022
          • Audi S5 / 3.0V6, 2021-2022

          Why Shop at eEuroparts.com?

          Since 2000, eEuroparts.com has been a trusted destination for European car owners looking for reliable parts at great prices. Here's why customers choose us:

          • Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
          • Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
          • Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
          • Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
          • Established Trust: Serving the European auto community since 2000.

          Frequently Asked Questions

          What does this part do?

          The Genuine VW/Audi Disc Brake Pad Wear Sensor monitors the thickness of your brake pads and alerts you when they need to be replaced. This proactive feature helps ensure optimal braking performance and vehicle safety.

          What vehicles is this part compatible with?

          This part is compatible with various Audi models, including the RS6 Avant, RS5, RS5 Sportback, RS Q8, Q8, Q7, SQ8, SQ7, and S5 for model years 2021 and 2022. For exact fitment, please use the vehicle selector tool.

          What are common signs this part may need replacement?

          Common signs that the brake pad wear sensor may need replacement include brake warning lights on the dashboard, unusual noises when braking, and decreased braking performance.

          Are there any DTC (Diagnostic Trouble Codes) associated with this part?

          Common diagnostic trouble codes (DTCs) associated with brake pad wear sensors include P0571 (Brake Switch A Circuit Range/Performance Problem) and P164B (Brake Pad Wear Sensor Circuit Low). For specific issues, consult professional repair documentation or experts.

            • eEuroparts SKU
              1420657
            • Weight
              0.02 lbs
            • Manufacturer Part #
              8W0615121E
          • Brand
            Genuine VW/Audi
          • Manufacturer
            Genuine VW/Audi
          • MPN
            8W0615121E
          • Part Type
            Disc Brake Pad Wear Sensor
          • Position
            Rear
          • OE Part Numbers
            4M0-615-121-P, 4M0615121P
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2022AudiQ8Prestige (3.0 V6 MHEV)
          2022AudiQ8Premium (3.0 V6 MHEV)
          2022AudiA4 allroadPremium Plus (2.0 L4 MHEV)
          2022AudiA4 allroadPremium (2.0 L4 MHEV)
          2022AudiA4 QuattroPremium (2.0 L4 MHEV)
          2022AudiS5 SportbackPrestige (3.0 V6 GAS)
          2022AudiS5 SportbackPremium (3.0 V6 GAS)
          2022AudiA5 SportbackPrestige (2.0 L4 MHEV)
          2022AudiA5 SportbackPremium Plus (2.0 L4 MHEV)
          2022AudiSQ8Prestige (4.0 V8 MHEV)
          2022AudiRS5Base (2.9 V6 GAS)
          2022AudiA5 QuattroPremium Plus (2.0 L4 MHEV)
          2023AudiS4Premium (3.0 V6 GAS)
          2023AudiS4Premium Plus (3.0 V6 GAS)
          2023AudiS5Premium (3.0 V6 GAS)
          2023AudiS5Premium Plus (3.0 V6 GAS)
          2023AudiS5Prestige (3.0 V6 GAS)
          2023AudiA4 allroadPremium (2.0 L4 MHEV)
          2023AudiA4 allroadPrestige (2.0 L4 MHEV)
          2023AudiQ7Premium (3.0 V6 MHEV)
          2023AudiQ7Premium (2.0 L4 MHEV)
          2023AudiQ7Premium Plus (2.0 L4 MHEV)
          2023AudiQ7Premium Plus (3.0 V6 MHEV)
          2023AudiQ8Prestige (3.0 V6 MHEV)
          2023AudiA4 QuattroPrestige (2.0 L4 MHEV)
          2024AudiA4 QuattroPremium Plus (2.0 L4 MHEV)
          2024AudiA4 QuattroPremium (2.0 L4 MHEV)
          2024AudiA4 allroadPremium (2.0 L4 MHEV)
          2024AudiA4 allroadPremium Plus (2.0 L4 MHEV)
          2024AudiS5Prestige (3.0 V6 GAS)
          2024AudiS4Prestige (3.0 V6 GAS)
          2024AudiS8Base (4.0 V8 MHEV)
          2024AudiSQ7Prestige (4.0 V8 MHEV)
          2024AudiQ8Premium Plus (3.0 V6 MHEV)
          2024AudiQ8Prestige (3.0 V6 MHEV)
          2024AudiS5 SportbackPrestige (3.0 V6 GAS)
          2024AudiS5 SportbackPremium Plus (3.0 V6 GAS)
          2024AudiS5 SportbackPremium (3.0 V6 GAS)
          2024AudiQ7Prestige (3.0 V6 MHEV)
          2024AudiQ7Premium Plus (2.0 L4 MHEV)
          2024AudiQ7Premium Plus (3.0 V6 MHEV)
          2019AudiA5 SportbackPremium Plus (2.0 L4 GAS)
          2019AudiA5 SportbackPrestige (2.0 L4 GAS)
          2019AudiS5Prestige (3.0 V6 GAS)
          2019AudiS5Premium (3.0 V6 GAS)
          2019AudiRS5Base (2.9 V6 GAS)
          2019AudiS5 SportbackPremium Plus (3.0 V6 GAS)
          2019AudiQ7Premium (3.0 V6 GAS)
          2019AudiQ7Premium (2.0 L4 GAS)
          2019AudiQ7Prestige (3.0 V6 GAS)
          2019AudiA8 QuattroL (4.0 V8 MHEV)
          2019AudiA8 QuattroL (3.0 V6 MHEV)
          2019AudiA4 QuattroUltra sport (2.0 L4 GAS)
          2019AudiA4Premium (2.0 L4 GAS)
          2021AudiA8 QuattroL Plug-In Hybrid (3.0 V6 PHEV)
          2021AudiS5Prestige (3.0 V6 GAS)
          2021AudiA5 QuattroPremium Plus (2.0 L4 MHEV)
          2021AudiA5 QuattroPremium (2.0 L4 MHEV)
          2021AudiA5 QuattroPrestige (2.0 L4 MHEV)
          2021AudiA4 allroadPrestige (2.0 L4 MHEV)
          2021AudiA4 allroadPremium Plus (2.0 L4 MHEV)
          2021AudiQ8Premium Plus (3.0 V6 MHEV)
          2021AudiS4Premium (3.0 V6 GAS)
          2021AudiS4Prestige (3.0 V6 GAS)
          2021AudiS4Premium Plus (3.0 V6 GAS)
          2021AudiA4 QuattroPrestige (2.0 L4 MHEV)
          2021AudiA4 QuattroPremium (2.0 L4 MHEV)
          2021AudiRS5Base (2.9 V6 GAS)
          2021AudiA5 SportbackPremium Plus (2.0 L4 MHEV)
          2020AudiA5 SportbackPrestige (2.0 L4 GAS)
          2020AudiSQ7Premium Plus (4.0 V8 MHEV)
          2020AudiQ8Premium Plus (3.0 V6 MHEV)
          2020AudiQ8Prestige (3.0 V6 MHEV)
          2020AudiA5 QuattroPremium (2.0 L4 GAS)
          2020AudiA8 QuattroL (4.0 V8 MHEV)
          2020AudiA8 QuattroL (3.0 V6 MHEV)
          2020AudiA8 QuattroL Plug-In Hybrid (3.0 V6 PHEV)
          2020AudiS5 SportbackPrestige (3.0 V6 GAS)
          2020AudiS5 SportbackPremium Plus (3.0 V6 GAS)
          2020AudiSQ8Premium Plus (4.0 V8 MHEV)
          2020AudiS5Premium Plus (3.0 V6 GAS)
          2020AudiA4 QuattroPremium (2.0 L4 GAS)
          2020AudiA4 QuattroUltra sport (2.0 L4 GAS)
          2020AudiA4 allroadPremium Plus (2.0 L4 GAS)
          2018AudiA4 QuattroPremium Plus (2.0 L4 GAS)
          2018AudiA4 QuattroPremium (2.0 L4 GAS)
          2018AudiA5 SportbackPremium Plus (2.0 L4 GAS)
          2018AudiQ7Premium Plus (2.0 L4 GAS)
          2018AudiQ7Premium Plus (3.0 V6 GAS)
          2018AudiA4 allroadPrestige (2.0 L4 GAS)
          2018AudiA5 QuattroPremium Plus (2.0 L4 GAS)
          2018AudiS5 SportbackPrestige (3.0 V6 GAS)
          2018AudiS4Prestige (3.0 V6 GAS)
          2017AudiA4Prestige (2.0 L4 GAS)
          2017AudiA4 allroadPremium (2.0 L4 GAS)
          2017AudiA4 QuattroPremium (2.0 L4 GAS)
          2017AudiA4 QuattroPrestige (2.0 L4 GAS)
          2017AudiQ7Prestige (3.0 V6 GAS)
          2017AudiQ7Premium (2.0 L4 GAS)
          2017AudiQ7Premium (3.0 V6 GAS)
          There are more vehicles this part is compatible with. Check if it fits your vehicle.
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          Warranty Overview

          At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.

          Standard Warranty – Most Parts

          • Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.

          • Protection: Defects in materials or workmanship under normal personal use.

          • Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.

          • Exclusions:

            • Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)

            • Commercial, fleet, rideshare, off-road, or racing use

            • Improper installation, misuse, accidents, or modifications

          • Not Covered: Labor, shipping, towing, or incidental costs.

          Bison Performance Warranty – Our House Brand

          • Coverage: Limited Lifetime Warranty for as long as you own your vehicle.

          • Applies To: All products sold under the Bison Performance label.

          • Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.

          • Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).

          • What’s Included: Replacement of the defective product (labor and shipping excluded).

          Warranty Claim Requirements

          To keep claims fast and fair, we require:

          • Proof of purchase (invoice or order confirmation).

          • Photos or videos showing the defective part, order number, date, VIN, and odometer reading.

          • Diagnostic reports or part returns for non-visible issues may be requested.

          • Claims must be truthful, properly documented, and reflect normal consumer use.

          Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.

          For full details and exclusions, please see our complete Warranty Terms & Conditions.

          This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.

          Return Policy Overview

          Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
          To start a return, contact customer support via Chat or Contact Us.

          • Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)

          • Refunds: Issued to your original payment method within 3–5 business days after inspection

          • Exchanges: Not automatic — please return and reorder

          • Replacements: May be approved for incorrect or defective items reported within 7 days

          Not returnable:

          • Used or installed parts

          • Electrical components

          • Opened filter kits, gaskets, or contaminated items

          • Final sale or custom orders

          Important Notes:

          • Return shipping is your responsibility unless we made a verified error

          • Fitment is the customer’s responsibility (we can assist, but do not guarantee)

          • Country of origin may vary and is not grounds for return

          For complete details, please see our full Return Policy.


          This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.

          Fast, Reliable Shipping — Straight to Your Door

          We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.

          • We use trusted carriers like UPS, FedEx, and USPS.

          • Tracking info is emailed to you as soon as your order ships.

          • Delivery estimates at checkout are based on carrier data, but not guaranteed.

          Need help with a shipment?

          If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.

          For complete details, please see our full Shipping Policy.


          This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.

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