United States
Product overview
Genuine OEM Audi Heat Exchanger, part number 8E1820031. This component is designed to efficiently transfer heat between two fluids or a fluid and a solid, playing a critical role in the vehicle's climate control system. It is typically located within the HVAC assembly, regulating cabin temperature. Weighing approximately 1.08 kg and measuring 280mm long, 147mm wide, and 58mm high, it is built to precise specifications. Choosing a genuine OEM heat exchanger ensures exact fitment, proper thermal efficiency, and long-term durability, preventing leaks and maintaining consistent cabin comfort.
Technical details
- Category
- Heating & A/C
- Customs (HS) code
- 84186100
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 28 × 14.7 × 5.8 cm
- Shipping weight
- 1.08 kg
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
9 vehiclesHeat Exchanger — locate 8E1820031 Audi Heat Exchanger | Genuine OEM in the official exploded view and explore the surrounding assembly.
LThis part is the Left side
Parts in this assembly48
- 1BlowerLeft8E1820021E
- 1BlowerRight8E2820021E
- 2Motor 8E1820511F
- 3MotorRight8E2820511D
- 3MotorLeft8E1820511D
- 4ServomotorRight8E2820511B
- 4ServomotorLeft8E1820511B
- 5MotorRight8E2820511E
- 5MotorLeft8E1820511G
- 6MotorLeft8E1820511K
- 6MotorRight8E2820511H
- 7MotorLeft8E1820511H
- 7MotorRight8E2820511F
- 8HousingRight8E2820353B
- 8HousingLeft8E1820353B
- 9HousingLeft8E1820024
- 9HousingRight8E2820024
- 10Int DuctRight8E2820153
- 10Int DuctLeft8E1820153
- 11VentRight8E2819151
- 11VentLeft8E1819151
- 15EvaporatorLeft8E1820103
- 15EvaporatorRight8E2820103
- 15EvaporatorLeft8E1820103A
- 15EvaporatorRight8E2820103A
- 16Heat ExchRight8E2820031
- 17HeaterRight4B2819011
- 17HeaterLeft4B1819011
- 20Gask Set 8E0898380
- 21PartRight8E2898350
- 21PartLeft8E1898350
- 23Bungs 8E0820992A
- 24HoseLeft8E1816311
- 24HoseRight8E2816311
- 25Temperature Sensor 1K0907543A
- 26Screw N10424101
- 28Temperature Sensor 4B0820539
- 30PipeRight8E2260113A
- 30PipeLeft8E1260113A
- 34Drain Tube 8E0260155
- 37PartRight8E2819079
- 37PartLeft8E1819079
- 38Bolt N0102873
- 39Bolt N90457003
- 40Temperature Sensor 8E0820539
- 44Fixing SetRight8E2898400
- 44Fixing SetLeft8E1898400
- 45Clamp N10095101
Vehicle fitment table9
Europe (7)
| Vehicle | Years | Pos. |
|---|---|---|
| Exeo ST Reference | 2008-2011 | 16 |
| Audi RS4 Cabrio qu. 08> | 2007- | 16 |
| Audi RS4 qu. 07> | 2006- | 16 |
| Audi A4/S4 Cabrio./qu. 07> | 2006- | 16 |
| Audi A4/S4/Av./qu. 05> | 2005- | 16 |
| Audi A4/S4 Cabrio./qu. | 2002-2006 | 16 |
| Audi A4/S4/Av./qu. | 2001-2004 | 16 |
Other markets (2)
| Vehicle | Years | Pos. |
|---|---|---|
| AUDI A4 "CN."06> | 2005- | 16 |
| AUDI A4/AV./QU. "CN"03>05 | 2003-2005 | 16 |
Diagrams & fitment data powered by oemdiagrams.com
8E1820031 Audi Heat Exchanger | Genuine OEM is fitted on: Exeo ST Reference 2008-2011; Audi RS4 Cabrio qu. 08> 2007-; Audi RS4 qu. 07> 2006-; Audi A4/S4 Cabrio./qu. 07> 2006-; Audi A4/S4/Av./qu. 05> 2005-; Audi A4/S4 Cabrio./qu. 2002-2006; Audi A4/S4/Av./qu. 2001-2004; AUDI A4 "CN."06> 2005-; AUDI A4/AV./QU. "CN"03>05 2003-2005.