Audi A6/A8/RS5 Alternator Coolant Hose / Line Left 079121131AK

OEM Part #: 079-121-131-AK (079121131AK)

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

This OEM Alternator Coolant Hose (OEM Part Number 079121131AK) is essential for the 2007-2010 Audi A8 Quattro and is compatible with the 4.2L V8 engine. Positioned on the left side, this factory-original part plays a critical role in directing coolant to ensure optimal alternator performance, preventing overheating and electrical failures. Ideal for replacing worn-out or damaged lines, this hose restores proper functionality and reliability to your vehicle's electrical system. It also fits Audi A6 Quattro models from 2005-2011 and RS5 from 2013-2016. Alternative part numbers include 4E0121101BS and 4E0121071B. Trust in authentic manufacturer parts to maintain your vehicle’s performance.

Specifications

Specifications for Alternator Coolant Hose / Line 079121131AK
Fits Vehicle ModelA6, A8, RS5
Fits Vehicle MakeAudi
OEM Part No079-121-131-AK (079121131AK)
SideLeft
CategoryRadiator / Coolant

Compatible Vehicles

Fits 26 vehicle configurations across 1 make, 2004-2015.

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 2005-2011 · 7 variants 4 with notes
  • A8 2004-2010 · 13 variants 7 with notes
  • RS5 2013-2015 · 6 variants 3 with notes
View all 26 vehicle configurations — 14 with fitment notes
Full vehicle fitment list for Alternator Coolant Hose / Line 079121131AK
Year Make Model Trim Engine Note
2004 Audi A8 Quattro L Sedan 4.2L V8 For Vehicles with Engine Code(s) BVJ
2005 Audi A6 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BVJ
2005 Audi A8 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BVJ
2005 Audi A8 Quattro L Sedan 4.2L V8 For Vehicles with Engine Code(s) BVJ
2006 Audi A6 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BVJ
2006 Audi A8 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BVJ
2006 Audi A8 Quattro L Sedan 4.2L V8 For Vehicles with Engine Code(s) BVJ
2007 Audi A6 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BVJ
2007 Audi A8 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BVJ
2007 Audi A8 Quattro L Sedan 4.2L V8 For Vehicles with Engine Code(s) BVJ
2008 Audi A6 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BVJ
2008 Audi A8 Quattro Sedan 4.2L V8
2008 Audi A8 Quattro L Sedan 4.2L V8
2009 Audi A6 Quattro Sedan 4.2L V8
2009 Audi A8 Quattro Sedan 4.2L V8
2009 Audi A8 Quattro L Sedan 4.2L V8
2010 Audi A6 Quattro Sedan 4.2L V8
2010 Audi A8 Quattro Sedan 4.2L V8
2010 Audi A8 Quattro L Sedan 4.2L V8
2011 Audi A6 Quattro Sedan 4.2L V8
2013 Audi RS5 Convertible 4.2L V8 For Vehicles With Production date Up To 01/26/15
2013 Audi RS5 Coupe 4.2L V8
2014 Audi RS5 Coupe 4.2L V8
2014 Audi RS5 Convertible 4.2L V8 For Vehicles With Production date Up To 01/26/15
2015 Audi RS5 Coupe 4.2L V8
2015 Audi RS5 Convertible 4.2L V8 For Vehicles With Production date Up To 01/26/15

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