2013-2018 Audi A6/A7 Coolant Reservoir Breather Hose / Line 4G0121081CT

OEM Part #: 4G0-121-081-CT (4G0121081CT)

$29.49
Used
Donor2015 Audi A7 · 3.0L
SKU: 684138 · 30-Day Returns
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Coolant Reservoir Breather Hose / Line 4G0121081CT — Used (SKU 684138)
Genuine OEM Used SKU: 684138 Donor Vehicle: 2015 Audi A7 · 3.0L 2 photos
$29.49
30-Day Returns
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This genuine Audi coolant reservoir breather hose, OEM part number 4G0121081CT, is a used original from a donor car. Also known as a coolant line, it vents air from the reservoir to the expansion tank. A cracked hose can cause coolant loss or a low coolant warning. Fits Audi A6 and A7 with 2.0L turbo gasoline, 3.0L diesel turbo, or 3.0L supercharged gasoline engines.

Specifications

Specifications for Coolant Reservoir Breather Hose / Line 4G0121081CT
Fits Vehicle ModelA6, A7
Fits Vehicle MakeAudi
OEM Part No4G0-121-081-CT (4G0121081CT)
CategoryRadiator / Coolant

Compatible Vehicles

Fits 22 vehicle configurations across 1 make, 2013-2018.

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 2013-2018 · 13 variants 9 with notes
  • A7 2013-2018 · 9 variants 5 with notes
View all 22 vehicle configurations — 14 with fitment notes
Full vehicle fitment list for Coolant Reservoir Breather Hose / Line 4G0121081CT
Year Make Model Trim Engine Note
2015 Audi A7 Quattro Hatchback 3.0L V6 Diesel Turbo For Vehicles with Production Date After 12/16/13
2015 Audi A7 Quattro Hatchback 3.0L V6 Supercharged For Vehicles with Production Date After 12/16/13
2015 Audi A6 Quattro Sedan 3.0L V6 Diesel Turbo For Vehicles with Production Date After 12/16/13; For Vehicles with Engine Code(s) CDUC, CDUD, CKVB, CKVC, CLAA, CLAB
2015 Audi A6 Quattro Sedan 3.0L V6 Supercharged For Vehicles with Production Date After 12/16/13
2015 Audi A6 Sedan 2.0L l4 Turbo For Vehicles with Production Date After 02/17/14
2015 Audi A6 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 02/17/14
2014 Audi A7 Quattro Hatchback 3.0L V6 Supercharged For Vehicles with Production Date After 12/16/13
2013 Audi A7 Quattro Hatchback 3.0L V6 Supercharged For Vehicles with Production Date After 12/16/13
2013 Audi A6 Quattro Sedan 3.0L V6 Supercharged For Vehicles with Production Date After 12/16/13
2014 Audi A6 Quattro Sedan 3.0L V6 Diesel Turbo For Vehicles with Production Date After 12/16/13; For Vehicles with Engine Code(s) CDUC, CDUD, CKVB, CKVC, CLAA, CLAB
2014 Audi A7 Quattro Hatchback 3.0L V6 Diesel Turbo For Vehicles with Production Date After 12/16/13
2014 Audi A6 Quattro Sedan 3.0L V6 Supercharged For Vehicles with Production Date After 12/16/13
2014 Audi A6 Sedan 2.0L l4 Turbo For Vehicles with Production Date After 02/17/14
2014 Audi A6 Quattro Sedan 2.0L l4 Turbo For Vehicles with Production Date After 02/17/14
2017 Audi A6 Quattro Sedan 3.0L V6 Supercharged
2016 Audi A6 Quattro Sedan 3.0L V6 Supercharged
2016 Audi A7 Quattro Hatchback 3.0L V6 Diesel Turbo
2018 Audi A7 Quattro Hatchback 3.0L V6 Supercharged
2018 Audi A6 Quattro Sedan 3.0L V6 Supercharged
2016 Audi A7 Quattro Hatchback 3.0L V6 Supercharged
2016 Audi A6 Quattro Sedan 3.0L V6 Diesel Turbo
2017 Audi A7 Quattro Hatchback 3.0L V6 Supercharged

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