Audi A5/R8/S5/TT Seat Belt Microphone Control Module 420907394B
OEM Part #: 420-907-394-B (420907394B)
Actual photo
The exact part you’ll receive — not a stock photo.
$199.95
Used
Donor Vehicle2024 Audi S5 · 3.0L · 11k miles
✓ Free Same Day Shipping on orders by noon CT
or pick up free in Waverly, MN ·
Hours & directions
Wolf Auto Parts, 127 6th St S, Waverly, MN 55390 · Mon–Thu 8–5, Fri 8–2 CT · 1-844-333-3609 · Directions · Ready immediately during business hours.
Programming required: this module must be coded to your VIN by a dealer or with the proper diagnostic tool before it will work.
Only 1 in stock — no guaranteed restock
Genuine OEM Used
SKU: 739442
Donor Vehicle: 2024 Audi S5 · 3.0L · 11k miles
2 photos
$199.95
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Enhance your vehicle's safety systems with this authentic OEM Seat Belt Microphone Control Module, part number 420907394B. This factory-original part is sourced from salvage Audi vehicles, ensuring you receive reliable performance for your 2010-2023 Audi R8, or 2016-2023 Audi TT Quattro. The control module is crucial for managing the seat belt microphone functions, addressing common issues such as malfunctioning audio input or connectivity problems. Additionally compatible with models like the A5 Quattro and S5 from 2017 to 2024, this module is a direct replacement for worn or damaged units. Installation may require programming to ensure optimal performance.
Specifications
| Fits Vehicle Model | A5, R8, S5, TT |
| Fits Vehicle Make | Audi |
| OEM Part No | 420-907-394-B (420907394B) |
| Compatible OEM Part No | 420-907-394, 420-907-394-A |
| Category | Computers / Modules |
Compatible Vehicles
Fits 57 vehicle configurations across 1 make, 2010-2024.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 57 vehicle configurations — 10 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2024 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2024 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2020 | Audi | R8 | Coupe | 5.2L V10 | |
| 2018 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2018 | Audi | R8 | Coupe | 5.2L V10 | |
| 2020 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2019 | Audi | TT | Quattro Convertible | 2.0L l4 Turbo | |
| 2018 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2018 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2022 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2019 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2022 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2020 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2023 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2021 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2022 | Audi | TT | Quattro Convertible | 2.0L l4 Turbo | |
| 2020 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2016 | Audi | TT | Quattro Convertible | 2.0L l4 Turbo | |
| 2017 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2019 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2017 | Audi | R8 | Coupe | 5.2L V10 | |
| 2015 | Audi | R8 | Spyder Convertible | 4.2L V8 | |
| 2015 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2015 | Audi | R8 | Coupe | 5.2L V10 | |
| 2015 | Audi | R8 | Coupe | 4.2L V8 | |
| 2014 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2014 | Audi | R8 | Coupe | 5.2L V10 | |
| 2014 | Audi | R8 | Spyder Convertible | 4.2L V8 | |
| 2014 | Audi | R8 | Coupe | 4.2L V8 | |
| 2012 | Audi | R8 | Spyder Convertible | 4.2L V8 | For Vehicles with Production Date After 09/06/10 |
| 2012 | Audi | R8 | Coupe | 4.2L V8 | For Vehicles with Production Date After 09/06/10 |
| 2011 | Audi | R8 | Spyder Convertible | 4.2L V8 | |
| 2011 | Audi | R8 | Coupe | 4.2L V8 | For Vehicles with Production Date After 09/06/10 |
| 2010 | Audi | R8 | Coupe | 4.2L V8 | For Vehicles with Production Date After 09/06/10 |
| 2011 | Audi | R8 | Coupe | 5.2L V10 | For Vehicles with Production Date After 09/06/10 |
| 2010 | Audi | R8 | Coupe | 5.2L V10 | For Vehicles with Production Date After 09/06/10 |
| 2012 | Audi | R8 | Coupe | 5.2L V10 | For Vehicles with Production Date After 09/06/10 |
| 2012 | Audi | R8 | GT Coupe | 5.2L V10 | For Vehicles with Production Date After 09/06/10 |
| 2012 | Audi | R8 | Spyder Convertible | 5.2L V10 | For Vehicles with Production Date After 09/06/10 |
| 2012 | Audi | R8 | GT Spyder Convertible | 5.2L V10 | For Vehicles with Production Date After 09/06/10 |
| 2011 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2017 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | |
| 2017 | Audi | S5 | Convertible | 3.0L V6 Supercharged | |
| 2023 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2018 | Audi | TT | Quattro Convertible | 2.0L l4 Turbo | |
| 2022 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2021 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2021 | Audi | TT | Quattro Convertible | 2.0L l4 Turbo | |
| 2023 | Audi | S5 | Convertible | 3.0L V6 Turbo | |
| 2021 | Audi | R8 | Coupe | 5.2L V10 | |
| 2021 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2023 | Audi | R8 | Coupe | 5.2L V10 | |
| 2023 | Audi | TT | Quattro Convertible | 2.0L l4 Turbo | |
| 2022 | Audi | R8 | Coupe | 5.2L V10 | |
| 2017 | Audi | TT | Quattro Convertible | 2.0L l4 Turbo | |
| 2023 | Audi | R8 | Convertible | 5.2L V10 | |
| 2020 | Audi | TT | Quattro Convertible | 2.0L l4 Turbo |