Audi A8/S8 Transmission Brace / Sub Frame 4H0399345L
OEM Part #: 4H0-399-345-L (4H0399345L)
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
Other Subframe / Sub Frame / Transmission Mount Bracket that may fit your vehicle
Transmission Brace / Mount Bracket
$79.99
Fits 2012–2018 Audi
OEM: 4H0399345Q
Transmission Cover Plate
$14.99
Fits 2008–2014 Audi
OEM: 8K0301257
Transmission Cover Plate
Starting at $7.99
Fits 2012–2026 Audi & Porsche
OEM: 8K0301257A
Transmission Mount / Bracket
$20.49
Fits 2008–2015 Audi
OEM: 8K0399151CD
Transmission Mount Bracket
$26.99
Fits 2011–2018 Audi A8 / S8
OEM: 4H0399114E
Transmission Mount Bracket / Crossmember
$40.49
Fits 2008–2016 Audi
OEM: 4H0399263AD
- Genuine OEM — real photos
- 30-day returns on eligible parts
- eBay Top Rated · 100,000+ positive ratings
- Ships from our own indoor warehouse
Specifications
| Fits Vehicle Model | A8, S8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4H0-399-345-L (4H0399345L) |
| Compatible OEM Part No | 4H0-399-345-N |
| Category | Transmission |
Compatible Vehicles
Fits 13 vehicle configurations across 1 make, 2011-2014.
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 13 vehicle configurations — 13 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2011 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Automatic Transmission; For Vehicles With Production date Up To 03/25/13 |
| 2011 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Automatic Transmission; For Vehicles With Production date Up To 03/25/13 |
| 2012 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Automatic Transmission; For Vehicles With Production date Up To 03/25/13 |
| 2012 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Automatic Transmission; For Vehicles With Production date Up To 03/25/13 |
| 2012 | Audi | A8 | Quattro L Sedan | 6.3L W12 | For Automatic Transmission; For Vehicles With Production date Up To 03/25/13 |
| 2013 | Audi | A8 | Quattro Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 03/25/13 |
| 2013 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 03/25/13 |
| 2013 | Audi | A8 | Quattro L Sedan | 6.3L W12 | For Automatic Transmission; For Vehicles With Production date Up To 03/25/13 |
| 2013 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 03/25/13 |
| 2014 | Audi | A8 | Quattro Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 03/25/13 |
| 2014 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 03/25/13 |
| 2014 | Audi | A8 | Quattro L Sedan | 6.3L W12 | For Automatic Transmission; For Vehicles With Production date Up To 03/25/13 |
| 2014 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Automatic Transmission; For Vehicles With Production date Up To 03/25/13 |