United States
Product overview
Genuine OEM Audi Fuel Tank Vent Line, part number 4K0201991BE. This essential component is part of the fuel system, designed to regulate the flow of air into and out of the fuel tank. It plays a critical role in maintaining proper tank pressure, preventing vacuum lock, and ensuring efficient fuel delivery and emissions control. This line measures 1.27 meters in length. Using a genuine OEM vent line guarantees the correct material composition, internal diameter, and routing geometry, which are vital for preventing leaks, ensuring system integrity, and complying with stringent emissions regulations.
Catalogue entry: LINE.
Technical details
- Category
- Fuel System
- Customs (HS) code
- 87089997
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 127 × 66 × 20 cm
- Shipping weight
- 0.18 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
1 vehicleBreather Line — locate 4K0201991BE Audi Fuel Tank Vent Line | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly31
- 1Container 4K0201797N
- 1Container 4K0201797J
- 2Container 4M0201801A
- 2Container 4N0201801F
- 3Part 4K0201961
- 3Heat Sh 4K0201308J
- 4Bolt N90817003
- 5Part N91268201
- 5Part N10772801
- 6Line 4K0201991BS
- 7Pipe 4K0906257AE
- 7Pipe 4K0906257AF
- 7Pipe 4K0906257R
- 7Pipe 4K0906257D
- 8Clip 4K0201449F
- 9Binder 3D0971838M
- 10Clip 8W0201449D
- 11Clip 4K0201449S
- 12Clip 4K0201449AA
- 15Screw N91264001
- 16Bolt N10653201
- 17Collar Nut N01508210
- 18Checkpump 7L0906243A
- 18Checkpump 7L0906243F
- 18Checkpump 7L0906243
- 19Bolt N10471803
- 20Clamp N90686902
- 21Air Filter 4K0906311M
- 21Air Filter 4K0906311K
- 22Cable Tie N90666101
- 23Clip N10667201
Vehicle fitment table1
Europe (1)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| audi a6 2.0 | 2018- | 6 | 1 |
The manufacturer’s catalogue lists this part number as fitted until 11 December 2023; later builds may use a superseding number.
Diagrams & fitment data powered by oemdiagrams.com
4K0201991BE Audi Fuel Tank Vent Line | Genuine OEM is fitted on: audi a6 2.0 2018-.
