2009-2015 Audi Q7 Diesel Exhaust Fluid / Def Supply Line / Hose 4L0131911A
OEM Part #: 4L0-131-911-A (4L0131911A)
Actual photo
The exact part you’ll receive — not a stock photo.
Hours & directions
Wolf Auto Parts, 127 6th St S, Waverly, MN 55390 · Mon–Thu 8–5, Fri 8–2 CT · 1-844-333-3609 · Directions · Ready immediately during business hours.
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Diesel Exhaust Fluid (DEF) supply line hose, OEM part number 4L0131911A, designed for proper delivery of reducing fluid to the system. This line is specifically compatible with 2010-2015 Audi Q7 models equipped with a 3.0L V6 Diesel engine, encompassing trim levels TDI Premium, TDI Premium Plus, and TDI Prestige. It addresses the common issue of fluid leaks or blockages that can affect emissions performance. This part may also be referred to as the supply line. Additional interchangeable part numbers include 4L0131911B and other relevant numbers such as 4L0131901C. Ensure efficient operation of your vehicle’s emissions system with this reliable replacement component.
Specifications
| Fits Vehicle Model | Q7 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4L0-131-911-A (4L0131911A) |
| Category | Fuel / Emissions |
Compatible Vehicles
Fits 7 vehicle configurations across 1 make, 2009-2015.
View all 7 vehicle configurations — 3 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2015 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles with Engine Code(s) CLZB |
| 2010 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | |
| 2011 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | |
| 2012 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | |
| 2009 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | |
| 2013 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles with Engine Code(s) CLZB |
| 2014 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles with Engine Code(s) CLZB |