Audi A8/RS5/S5 Coolant Thermostat / Housing 079121115BG

OEM Part #: 079-121-115-BG (079121115BG)

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 Thermostat / Thermostat Housing that may fit your vehicle

Thermostat 06E121111AL

Thermostat

Starting at $9.49
Fits 2009–2018 Audi, Porsche + more
OEM: 06E121111AL Porsche: 95810603202
Used
Thermostat Housing 06E121111AD

Thermostat Housing

$12.13
Fits 2009–2018 Audi, Porsche + more
OEM: 06E121111AD
Used Only 1 left
Thermostat w/ Housing 06E121111AD

Thermostat w/ Housing

$49.99
Fits 2009–2018 Audi, Porsche + more
OEM: 06E121111AD
Used Only 1 left
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Coolant Thermostat / Housing (Part Number: 079121115BG) for select Audi models. Fits 2015 Audi R8 (Base, Plus, Spyder) and 2015 Audi RS5 (Base, Cabriolet), both featuring the high-performance 5.2L V10 and 4.2L V8 engines, respectively. This component regulates engine temperature by controlling coolant flow, addressing issues related to overheating or inconsistent temperature regulation. Also referred to as a thermostat unit, this part is essential for optimal engine performance. Compatible with additional OEM part numbers: 079121115BB, 079121115BJ, 079121115AA, 079121115T, and 079121115R. Ensure reliable fitment with models including 2011-2012 Audi A8 Quattro and S5 (4.2L V8).

Specifications

Specifications for Coolant Thermostat / Housing 079121115BG
Fits Vehicle ModelA8, RS5, S5
Fits Vehicle MakeAudi
OEM Part No079-121-115-BG (079121115BG)
Compatible OEM Part No 079-121-115-BB, 079-121-115-BJ, 079-121-115-AA, 079-121-115-T, 079-121-115-R
CategoryRadiator / Coolant

Compatible Vehicles

Fits 15 vehicle configurations across 1 make, 2008-2015.

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

  • A8 2011-2012 · 4 variants 4 with notes
  • RS5 2013-2015 · 6 variants 6 with notes
  • S5 2008-2012 · 5 variants
View all 15 vehicle configurations — 10 with fitment notes
Full vehicle fitment list for Coolant Thermostat / Housing 079121115BG
Year Make Model Trim Engine Note
2008 Audi S5 Coupe 4.2L V8
2009 Audi S5 Coupe 4.2L V8
2010 Audi S5 Coupe 4.2L V8
2011 Audi A8 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) CDRA
2011 Audi A8 Quattro L Sedan 4.2L V8 For Vehicles with Engine Code(s) CDRA
2011 Audi S5 Coupe 4.2L V8
2012 Audi A8 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) CDRA
2012 Audi A8 Quattro L Sedan 4.2L V8 For Vehicles with Engine Code(s) CDRA
2012 Audi S5 Coupe 4.2L V8
2013 Audi RS5 Convertible 4.2L V8 For Vehicles With Production date Up To 08/24/15
2013 Audi RS5 Coupe 4.2L V8 For Vehicles With Production date Up To 08/24/15
2014 Audi RS5 Coupe 4.2L V8 For Vehicles With Production date Up To 08/24/15
2014 Audi RS5 Convertible 4.2L V8 For Vehicles With Production date Up To 08/24/15
2015 Audi RS5 Coupe 4.2L V8 For Vehicles with Production Date After 08/24/15
2015 Audi RS5 Convertible 4.2L V8 For Vehicles with Production Date After 08/24/15

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