2010-2012 Audi Diesel Exhaust Fluid Tank / Def Reservoir (ACTIVE) 4L0131878H
OEM Part #: 4L0-131-878-H (4L0131878H)
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Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
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This authentic OEM Diesel Exhaust Fluid Tank (DEF Reservoir), part number 4L0131878H, is engineered specifically for the 2010-2013 Audi Q7 across various trims, including Premium, Premium Plus, and Prestige, with 3.0L V6 Diesel and Gas engines. Located strategically on the vehicle, this part plays a crucial role in reducing emissions by storing the diesel exhaust fluid needed for selective catalytic reduction (SCR) systems. Common issues that necessitate replacement include damage or wear leading to leaks and malfunction, affecting performance and emissions control. Ensure optimal operation and compliance with emissions standards by replacing your worn DEF tank with this factory-original part.
Specifications
| Fits Vehicle Model | Q7 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4L0-131-878-H (4L0131878H) |
| Compatible OEM Part No | 4L0-131-878-G, 4L0-131-878-F, 4L0-131-878-D, 4L0-131-880-C, 4L0-131-878-C, 4L0-131-880-B |
| Category | Fuel / Emissions |
Compatible Vehicles
Fits 3 vehicle configurations across 1 make, 2010-2012.
View all 3 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 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 |