United States
Product overview
Genuine OEM Audi Front Heater Ventilation Line, part number 4M0121081BG. This component is responsible for distributing heated air throughout the vehicle's cabin, ensuring effective climate control and passenger comfort. It is located in the front section of the HVAC system. The line is made from durable, flexible materials, measuring 0.79m in length. Selecting a genuine OEM ventilation line guarantees correct routing, secure connections, and resistance to temperature fluctuations, which are vital for a reliable heating and air conditioning system.
Catalogue entry: LINE front center.
Technical details
- Category
- Heating & A/C
- Country of origin
- Germany
- Customs (HS) code
- 39173900
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 79 × 21.5 × 13 cm
- Shipping weight
- 0.07 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
3 vehiclesBreather Line — locate 4M0121081BG Audi Front Heater Ventilation Line | HVAC in the official exploded view and explore the surrounding assembly.
Parts in this assembly21
- 4Line 4M0121081CT
- 6Hose 4M0122101CL
- 8Hose 4M0122055BK
- 11Sensor 079919523H
- 11Sensor 079919523
- 12Screw N10170302
- 14Hose 4M0122056AC
- 15Valve 5Q0906457K
- 16Bracket 4M0121233CP
- 17Bolt N10124309
- 18Bolt N91096701
- 19Hose 4M0122447J
- 21Hose 4M0122449AC
- 22Water Pipe 4M0121485CJ
- 23Ut"hex Nut Self-locking With Washer Hex Nut N90570803
- 23Collar Nut N01508210
- 24Hose 4M0121449BK
- 28Seal Ring WHT002287B
- 30Clamp N90686902
- 31Clamp N90687001
- 32Clamp N90926501
Vehicle fitment table3
Europe (3)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| Audi Q8 Quattro 3,0 | 2018- | 2, 14 | 1 |
| touareg | 2017-2023 | 2, 14 | 1 |
| Audi Q7 qu. 3.0 TDI | 2015-2019 | 6, 2, 14 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
4M0121081BG Audi Front Heater Ventilation Line | HVAC is fitted on: Audi Q8 Quattro 3,0 2018-; touareg 2017-2023; Audi Q7 qu. 3.0 TDI 2015-2019.
