2007-2015 Audi Q7/R8 Horn (LOW Tone / FREQUENCY) 4L0951221
OEM Part #: 4L0-951-221 (4L0951221)
Actual photo
The exact part you’ll receive — not a stock photo.
$10.49
Used
Donor2007 Audi Q7 · 4.2L
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Genuine OEM Used
SKU: 317345
Donor Vehicle: 2007 Audi Q7 · 4.2L
2 photos
$10.49
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Genuine OEM Used
SKU: 671567
Donor Vehicle: 2007 Audi Q7 · 3.6L
2 photos
TESTED
$11.49
30-Day Returns
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This Audi low-tone horn (OEM 4L0951221) is a used genuine part sourced from a donor vehicle. Also known as a low-frequency horn, it replaces 4L0951221A and 4LD951221. When the low-tone element fails, the horn may sound weak or single-pitch.
Specifications
| Fits Vehicle Model | Q7, R8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4L0-951-221 (4L0951221) |
| Compatible OEM Part No | 4L0-951-221-A, 4LD-951-221 |
| Category | Siren / Horn |
Compatible Vehicles
Fits 43 vehicle configurations across 1 make, 2007-2015.
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 43 vehicle configurations — 9 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2015 | Audi | R8 | Spyder Convertible | 4.2L V8 | |
| 2011 | Audi | R8 | Coupe | 5.2L V10 | |
| 2010 | Audi | R8 | Coupe | 5.2L V10 | |
| 2012 | Audi | R8 | GT Coupe | 5.2L V10 | |
| 2012 | Audi | R8 | Coupe | 5.2L V10 | |
| 2011 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2012 | Audi | R8 | GT Spyder Convertible | 5.2L V10 | |
| 2012 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2009 | Audi | R8 | Coupe | 5.2L V10 | |
| 2015 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles with Production Date After 01/24/11 |
| 2015 | Audi | R8 | Coupe | 5.2L V10 | |
| 2012 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | |
| 2009 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | |
| 2008 | Audi | Q7 | SUV | 3.6L V6 | |
| 2012 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2011 | Audi | R8 | Spyder Convertible | 4.2L V8 | |
| 2011 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2010 | Audi | Q7 | SUV | 3.6L V6 | For Vehicles With Production date Up To 01/24/11 |
| 2012 | Audi | R8 | Coupe | 4.2L V8 | |
| 2012 | Audi | R8 | Spyder Convertible | 4.2L V8 | |
| 2010 | Audi | Q7 | SUV | 4.2L V8 | For Vehicles With Production date Up To 01/24/11 |
| 2013 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles with Production Date After 01/24/11 |
| 2011 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | |
| 2013 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles with Production Date After 01/24/11 |
| 2009 | Audi | Q7 | SUV | 3.6L V6 | |
| 2007 | Audi | Q7 | SUV | 4.2L V8 | |
| 2007 | Audi | Q7 | SUV | 3.6L V6 | |
| 2008 | Audi | R8 | Coupe | 4.2L V8 | |
| 2009 | Audi | Q7 | SUV | 4.2L V8 | |
| 2008 | Audi | Q7 | SUV | 4.2L V8 | |
| 2010 | Audi | R8 | Coupe | 4.2L V8 | |
| 2010 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles With Production date Up To 01/24/11 |
| 2011 | Audi | R8 | Coupe | 4.2L V8 | |
| 2009 | Audi | R8 | Coupe | 4.2L V8 | |
| 2015 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2015 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles with Production Date After 01/24/11 |
| 2015 | Audi | R8 | Coupe | 4.2L V8 | |
| 2014 | Audi | Q7 | SUV | 3.0L V6 Supercharged | For Vehicles with Production Date After 01/24/11 |
| 2014 | Audi | R8 | Coupe | 4.2L V8 | |
| 2014 | Audi | R8 | Spyder Convertible | 4.2L V8 | |
| 2014 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles with Production Date After 01/24/11 |
| 2014 | Audi | R8 | Coupe | 5.2L V10 | |
| 2014 | Audi | R8 | Spyder Convertible | 5.2L V10 |