2010-2012 Audi Diesel Exhaust Fluid Tank / Def Reservoir (ACTIVE) 4L0131878H

OEM Part #: 4L0-131-878-H (4L0131878H)

$999.99
Used
Donor Vehicle2012 Audi Q7 · 3.0L
SKU: 742199 · 30-Day Returns
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Diesel Exhaust Fluid Tank / Def Reservoir (ACTIVE) 4L0131878H — Used (SKU 742199)
Genuine OEM Used SKU: 742199 Donor Vehicle: 2012 Audi Q7 · 3.0L 3 photos
$999.99
30-Day Returns
  • Genuine OEM — real photos
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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

Specifications for Diesel Exhaust Fluid Tank / Def Reservoir (ACTIVE) 4L0131878H
Fits Vehicle ModelQ7
Fits Vehicle MakeAudi
OEM Part No4L0-131-878-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
CategoryFuel / Emissions

Compatible Vehicles

Fits 3 vehicle configurations across 1 make, 2010-2012.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Audi

  • Q7 2010-2012 · 3 variants
View all 3 vehicle configurations
Full vehicle fitment list for Diesel Exhaust Fluid Tank / Def Reservoir (ACTIVE) 4L0131878H
Year Make Model Trim Engine Note
2011 Audi Q7 SUV 3.0L V6 Diesel Turbo
2012 Audi Q7 SUV 3.0L V6 Diesel Turbo
2010 Audi Q7 SUV 3.0L V6 Diesel Turbo

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