Genuine Audi A6 Quattro Thermostat

Engine Coolant Thermostat

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14 Thermostats found

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Audi A6 Quattro Thermostat Housing Part Number: 06E-121-111-AT
$88.06 MSRP: $123.32
You Save: $35.26 (29%)
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Product Specifications
- Other Name: Thermostat; Thermostat Housing, Water Pump
- Replaces: 06E-121-111-AS, 06E-121-111-AR, 06E-121-111-AN
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2016-2018 Audi A6 Quattro | Competition, Premium, Premium Plus, Prestige, Sport | 6 Cyl 3.0 L GAS
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Audi A6 Quattro Thermostat Part Number: 077-121-113-D
$88.05 MSRP: $123.32
You Save: $35.27 (29%)
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Product Specifications
- Replaces: 077-121-113-C, 077-121-113-B
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2000-2004 Audi A6 Quattro | Base | 6 Cyl 2.7 L GAS, 8 Cyl 4.2 L GAS
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Audi A6 Quattro Thermostat Part Number: 06H-121-113-B
$90.43 MSRP: $126.65
You Save: $36.22 (29%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2013-2015 Audi A6 Quattro | Premium, Premium Plus | 4 Cyl 2.0 L GAS
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Audi A6 Quattro Thermostat Housing Part Number: 06E-121-111-AL
$96.39 MSRP: $134.99
You Save: $38.60 (29%)
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Product Specifications
- Other Name: Thermostat; Thermostat Housing
- Replaces: 06E-121-111-P, 06E-121-111-S, 06E-121-111-T, 06E-121-111-AD
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2009-2015 Audi A6 Quattro | Avant, Base, Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
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Audi A6 Quattro Thermostat Housing Part Number: 06E-121-111-G
$120.19 MSRP: $168.33
You Save: $48.14 (29%)
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Product Specifications
- Other Name: Thermostat; Thermostat Housing
- Replaces: 06E-121-111-D
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2005-2008 Audi A6 Quattro | Avant, Base | 6 Cyl 3.2 L GAS
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Audi A6 Quattro Thermostat Housing Part Number: 06C-121-111-E
$117.80 MSRP: $164.98
You Save: $47.18 (29%)
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Product Specifications
- Other Name: Thermostat
- Replaces: 06C-121-111-C
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2002-2004 Audi A6 Quattro | Avant, Base | 6 Cyl 3.0 L GAS
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Audi A6 Quattro Thermostat Housing Part Number: 079-121-115-BK
$264.76 MSRP: $370.82
You Save: $106.06 (29%)
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Product Specifications
- Other Name: Thermostat
- Replaces: 079-121-115-N, 079-121-115-BA, 079-121-115-BF
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2007-2011 Audi A6 Quattro | Base | 8 Cyl 4.2 L GAS
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Audi A6 Quattro Thermostat Housing Part Number: 06M-121-115-K
$177.30 MSRP: $248.32
You Save: $71.02 (29%)
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Product Specifications
- Other Name: Housing; Thermostat, Thermostat Housing, Thermostat Unit
- Replaced by: 06M-121-115-N
- Replaces: 06M-121-115-G, 06M-121-115-J, 06M-121-115-H
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2019-2023 Audi A6 Quattro | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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Audi A6 Quattro Water Pump Housing Part Number: 06L-121-111-P
$205.87 MSRP: $288.33
You Save: $82.46 (29%)
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Product Specifications
- Other Name: Thermostat
- Replaces: 06L-121-111-F, 06L-121-111-H, 06L-121-111-G, 06L-121-111-M, 06L-121-111-L, 06L-121-111-K, 06L-121-111-J
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2013-2023 Audi A6 Quattro | Premium, Premium Plus, Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
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Audi A6 Quattro Thermostat Housing Part Number: 079-121-111-J
$276.66 MSRP: $387.48
You Save: $110.82 (29%)
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Product Specifications
- Other Name: Thermostat; Thermostat Housing
- Replaces: 079-121-111-F
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2005-2007 Audi A6 Quattro | Base | 8 Cyl 4.2 L GAS
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Audi A6 Quattro Thermostat Housing Part Number: 06L-121-111-N
$243.64 MSRP: $341.23
You Save: $97.59 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat; Thermostat Housing, Thermostat Unit
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2023 Audi A6 Quattro | Premium, Premium Plus | 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
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Audi A6 Quattro Thermostat Part Number: 078-121-113-F
$47.90 MSRP: $65.98
You Save: $18.08 (28%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1998-2004 Audi A6 Quattro | Avant, Base | 6 Cyl 2.7 L GAS, 6 Cyl 2.8 L GAS
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Audi A6 Quattro Thermostat Part Number: 078-121-113-G
$47.90 MSRP: $65.98
You Save: $18.08 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2000-2001 Audi A6 Quattro | Avant, Base | 6 Cyl 2.8 L GAS
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Audi A6 Quattro Thermostat Valve Part Number: 4E0-121-113
$52.86 MSRP: $72.82
You Save: $19.96 (28%)
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Product Specifications
- Other Name: Thermostat; Valve
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2013-2018 Audi A6 Quattro | Premium, Premium Plus, Sport | 4 Cyl 2.0 L GAS

Audi A6 Quattro Thermostat

Audi A6 Quattro Thermostat manages engine temperature accuracy and speedy valve movements to ensure that the power delivery is powerful and fuel consumption is minimal. The Thermostat is mounted close to the radiator, and it has a wax pellet that expands when the temperature increases, pushing a valve open to allow the coolant to flow to the radiator; it will contract when the motor is cool and the passage is closed. This easy mechanical ballet builds a continuous cycle of insulation of aluminum parts against thermal shock, oil viscosity against cold winter itch, and cabin warmer against winter onset. Audi cooling parts are rated as the highly reliable on the road in long term surveys and this Thermostat is a proud reflection of such reports. Since all new A6 Quattro models that have been tested are proven to work with this modern electronic surveillance, drivers are able to enjoy the proven hardware with smart sensors that notify the cockpit monitor the moment a reading deviation occurs. Audi powertrain performance signature is based on regular heat management. The compatibility extends across several model years and engine sizes so that the same part number family is available to the owners of the early models and the facelifted sedans or Avant wagons, hence saving them the guesswork during servicing. Every casting is pressure tested in the Audi factory to be leak free, and extremely tight fine tuning is done to ensure the engine reaches optimum temperature within a short time, and this improves combustion efficiency, reduces emissions, and helps to avoid additional heat soaking of the turbochargers. Safety is also enhanced as an efficiently working Thermostat minimizes chances of overheating during climbs or abrupt cooldowns that can distort cylinder heads. Additional features like a smooth bypass channel allowing continuous microflow make this component unique in the market and able to gradually equalize the pressure whilst still responding in milliseconds when full flow is required. It is that legacy that allows Audi enthusiasts to drive with confidence and make sure that every A6 Quattro remains tractioned and refined mile after mile.

Choose original equipment manufacturer Thermostat for great performance and strong durability. They use Audi's official craftsmanship and high-grade materials, and meet strict quality standards. Are you looking for quality Thermostat at a good price? Come to our online store. We carry a wide range of genuine parts for your Audi A6 Quattro and the prices are competitive. Each part comes with the manufacturer's warranty. You can install with confidence and get steady results. Over time, you'll save money and avoid hassle. Keep your maintenance simple and protect your vehicle with OEM parts. Get the quality your A6 Quattro needs now.