Audi A6/A7/A8/Q7/S7 Diesel Exhaust Fluid / Def Cap 4L0131980B

OEM Part #: 4L0-131-980-B (4L0131980B)

This page covers one exact OEM part number. Every unit we stocked has sold.

We may be able to get another

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:

Other Def Tank / Reservoir that may fit your vehicle

Diesel Exhaust Fluid Tank / Def Reservoir 4G0131879C

Diesel Exhaust Fluid Tank / Def Reservoir

Starting at $83.49
Fits 2012–2016 Audi A6 / A7 / S7
OEM: 4G0131879C
Used
Diesel Exhaust Fluid Tank / Def Reservoir (PASSIVE) 4L0131877B

Diesel Exhaust Fluid Tank / Def Reservoir (PASSIVE)

$551.00
Fits 2009–2012 Audi Q7
OEM: 4L0131877B
Used Only 1 left
  • Genuine OEM — real photos
  • 30-day returns on eligible parts
  • eBay Top Rated · 100,000+ positive ratings
  • Ships from our own indoor warehouse

Replace your worn diesel exhaust fluid (DEF) cap with this genuine OEM part, number 4L0131980B. Designed to securely cover the DEF tank, this cap plays a crucial role in maintaining the efficiency of the emissions reduction system on your Audi. Common issues with DEF caps include cracks or loss of sealing ability, which can lead to fluid leaks and system malfunctions. This replacement is compatible with various models, including 2010-2015 Audi Q7 and A7 Quattro vehicles equipped with the 3.0L V6 diesel engine. Ensure proper function of your diesel emissions system by sourcing this authentic part directly from salvage vehicles. Also known as filler cap or cover, it's a must-have for maintaining diesel performance.

Specifications

Specifications for Diesel Exhaust Fluid / Def Cap 4L0131980B
Fits Vehicle ModelA6, A7, A8, Q7, S7
Fits Vehicle MakeAudi
OEM Part No4L0-131-980-B (4L0131980B)
Compatible OEM Part No 4L0-131-980-A, 4L0-131-980
CategoryFuel / Emissions

Compatible Vehicles

Fits 15 vehicle configurations across 1 make, 2010-2015.

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

  • A6 2014-2015 · 2 variants
  • A7 2012-2014 · 4 variants
  • A8 2014 1 with note
  • Q7 2010-2015 · 6 variants
  • S7 2013-2014 · 2 variants
View all 15 vehicle configurations — 1 with fitment note
Full vehicle fitment list for Diesel Exhaust Fluid / Def Cap 4L0131980B
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 A7 Quattro Hatchback 3.0L V6 Supercharged
2012 Audi Q7 SUV 3.0L V6 Diesel Turbo
2013 Audi A7 Quattro Hatchback 3.0L V6 Supercharged
2013 Audi Q7 SUV 3.0L V6 Diesel Turbo
2013 Audi S7 Hatchback 4.0L V8 Turbo
2014 Audi A6 Quattro Sedan 3.0L V6 Diesel Turbo
2014 Audi A7 Quattro Hatchback 3.0L V6 Supercharged
2014 Audi A7 Quattro Hatchback 3.0L V6 Diesel Turbo
2014 Audi A8 Quattro L Sedan 3.0L V6 Diesel Turbo For Vehicles with Production Date After 09/10/12
2014 Audi Q7 SUV 3.0L V6 Diesel Turbo
2014 Audi S7 Hatchback 4.0L V8 Turbo
2015 Audi A6 Quattro Sedan 3.0L V6 Diesel Turbo
2015 Audi Q7 SUV 3.0L V6 Diesel Turbo

Ask a parts specialist

Asking about: Diesel Exhaust Fluid / Def Cap 4L0131980B · OEM #4L0131980B