United States
Product overview
Genuine OEM Audi Fuel Tank Breather Line, part number 4K0201991AG. This component is essential for the fuel system's evaporative emissions control, allowing air to enter and exit the fuel tank to equalize pressure and manage fuel vapor. It connects the fuel tank to the activated charcoal canister. Weighing 0.12 kg, this line measures 1.35 m in length. Using a genuine OEM breather line ensures proper material compatibility with fuel vapors, correct routing, and reliable function for emissions compliance.
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)
- 135 × 72 × 18 cm
- Shipping weight
- 0.12 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 4K0201991AG Audi Fuel Tank Breather Line | Fuel System in the official exploded view and explore the surrounding assembly.
Parts in this assembly17
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
4K0201991AG Audi Fuel Tank Breather Line | Fuel System is fitted on: audi a6 2.0 2018-.