United States
Target · Diagram
Find this reference above
Number 19 marks the part’s position in the exploded view.
Product overview
Genuine OEM Audi AdBlue Fluid Line, part number 4M0131961B. This line is a critical component of the Selective Catalytic Reduction (SCR) system, responsible for transporting AdBlue (Diesel Exhaust Fluid) to the exhaust system. It is typically routed from the AdBlue tank and pump assembly towards the front of the vehicle, connecting to the injector. Weighing approximately 0.219 kg and measuring 0.35 meters in length, it is designed for precise routing and fluid compatibility. Using a genuine OEM AdBlue fluid line ensures proper sealing, resistance to corrosive DEF fluid, and accurate delivery, which is vital for maintaining emissions compliance and system reliability.
Catalogue entry: LEAD.
Technical details
- Category
- Emissions
- Customs (HS) code
- 73269098
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 35 × 30 × 7 cm
- Shipping weight
- 0.22 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 vehiclesTransfer Line For Reducing Agent — locate 4M0131961B Audi AdBlue Fluid Line | SCR System in the official exploded view and explore the surrounding assembly.
Parts in this assembly26
- 1Lead 4M0131962C
- 1Lead 4M0131962A
- 2Housing 8P0973722
- 3Binder 1Y0971838
- 4Binder 3D0971497D
- 6Clip 8W0201449J
- 7Housing 1J0973802
- 10Housing 1J0973702
- 11Binder 3D0971838M
- 12Binder 3D0971838L
- 15Cable Tie N10646101
- 17Cable Tie N10835201
- 20Lead 4M0131960A
- 20Lead 4M0131960B
- 20Lead 4M0131960
- 21Housing 8K0973702
- 21Housing 1J0973702C
- 22Binder 5M0971838
- 24Ring 8E0130722D
- 25Bracket 5Q0131645B
- 30Valve 4G0131113E
- 30Valve 4G0131113D
- 31Seal 04L253115
- 32Clip 04L253725A
- 32Clip 04L253725F
- 33Bracket 1C0971845
Compatible / alternative parts(4)
Vehicle fitment table3
Europe (3)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| Audi Q8 Quattro 3,0 | 2018- | 9 | 1 |
| touareg | 2017-2023 | 19 | 1 |
| Audi Q7 qu. 3.0 TDI | 2015-2019 | 9 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
4M0131961B Audi AdBlue Fluid Line | SCR System is fitted on: Audi Q8 Quattro 3,0 2018-; touareg 2017-2023; Audi Q7 qu. 3.0 TDI 2015-2019.
