United States
Product overview
Genuine OEM Audi Ignition Transponder Module, part number 4H0909131. This electronic module functions as the reading coil for the vehicle's immobilizer system, detecting the transponder chip in the key to allow engine start. It is an integral part of the ignition system, ensuring vehicle security. This compact module weighs approximately 0.051 kg. Using a genuine OEM transponder module guarantees correct communication with the vehicle's ECU and immobilizer, preventing starting issues and maintaining security.
Catalogue entry: READ COIL.
Technical details
- Category
- Ignition
- Customs (HS) code
- 85371098
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 5.5 × 3.5 × 4 cm
- Shipping weight
- 0.05 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- 8T0
- 8T2
PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.
Why buy from WW Spares?
- ✓ Genuine OEM inventory sourced directly from factory networks
- ✓ Fitment support from workshop-seasoned parts specialists
- ✓ Global logistics with customs-ready documentation
Need help confirming compatibility? Talk to a specialist
Parts diagram & fitment
13 vehiclesReader Coil — locate 4H0909131 Audi Ignition Transponder Module | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly12
Vehicle fitment table13
Europe (10)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Audi R8 Spyder | 2015-2024 | 8 | 1 | 8T0 |
| Audi A7 Sportback | 2014-2018 | 1 | 1 | |
| audi a6 qu. 3.0 tdi | 2014-2018 | 1 | 1 | |
| Audi RS6 Avant | 2013-2018 | 1 | 1 | |
| Audi RS7 Sportback | 2013-2018 | 1 | 1 | |
| Audi A8L qu. 3.0 TDI | 2013-2018 | 1 | 1 | L0L |
| Audi A6 Av. qu. 3.0 | 2012-2018 | 1 | 1 | |
| Audi A7 Sportback | 2010-2015 | 1 | 1 | |
| audi a6 2.0 tdi | 2010-2015 | 1 | 1 | |
| Audi A8L qu. 3.0 TDI | 2009-2014 | 1 | 1 | L0L |
Other markets (3)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Phideon | 2016-2023 | 1 | 1 | |
| audi a6 1.8 | 2015-2019 | 1 | 1 | |
| Audi A6 L 2.0 | 2011-2013 | 1 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
4H0909131 Audi Ignition Transponder Module | Genuine OEM is fitted on: Audi R8 Spyder 2015-2024; Audi A7 Sportback 2014-2018; audi a6 qu. 3.0 tdi 2014-2018; Audi RS6 Avant 2013-2018; Audi RS7 Sportback 2013-2018; Audi A8L qu. 3.0 TDI 2013-2018; Audi A6 Av. qu. 3.0 2012-2018; Audi A7 Sportback 2010-2015; audi a6 2.0 tdi 2010-2015; Audi A8L qu. 3.0 TDI 2009-2014; Phideon 2016-2023; audi a6 1.8 2015-2019; Audi A6 L 2.0 2011-2013.