Audi A6 Coolant

We found 20 eBay listings for Audi A6 coolant.

20 listings available |18 sellers

Last checked: . Confirm current price and fitment with the seller.

Compare coolant options for the Audi A6 by part number, specification and seller fitment details. Matching listing titles mention 2004–2018; this is seller-described coverage, not confirmed fitment. Check the exact generation, engine and required specification before choosing a listing.

What the listings say: Of the 20 listings for Audi A6 coolant checked on 7 November 2026, 3 give model years between 2004 and 2018. Part numbers in more than one title: 4F0121403N, 4G0121403G, 4G0121403AG. Titles are the sellers’ descriptions, not confirmed fitment: match the part number, model year, generation and engine before you buy.

20 Results

Coolant

Found 20 listings for "audi a6 coolant"

Audi A6 C6 & A6 Allroad Coolant Expansion Header Tank Bottle + Cap 4F0121403N

Audi A6 C6 & A6 Allroad Coolant Expansion Header Tank Bottle + Cap 4F0121403N

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New📍 GB
Seller: maxipartsuk
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Meyle Radiator Header Coolant Expansion Tank For Audi A4 A6 VW Passat Seat Exeo

Meyle Radiator Header Coolant Expansion Tank For Audi A4 A6 VW Passat Seat Exeo

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New📍 GB
Seller: autovaux
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Nissens Coolant Expansion Tank Audi A6 C7 2011 Model 996145

Nissens Coolant Expansion Tank Audi A6 C7 2011 Model 996145

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New📍 GB
Seller: thecollisionshop
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OEM Coolant Expansion Reservoir Tank For AUDI A6 C7 4G2 4G5 A7 4GA A8 D4 4H

OEM Coolant Expansion Reservoir Tank For AUDI A6 C7 4G2 4G5 A7 4GA A8 D4 4H

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New📍 CN
Seller: dr-vehicle-parts
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Coolant Expansion Tank Fits Audi A6 A7 RS6 RS7 S6 S7 OE 4G0121403AG Febi 171863

Coolant Expansion Tank Fits Audi A6 A7 RS6 RS7 S6 S7 OE 4G0121403AG Febi 171863

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New📍 GB
Seller: simplycarparts
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AUDI A4 A6 / VW PASSAT / SEAT EXEO COOLANT EXPANSION HEADER TANK & CAP 8E0121403

AUDI A4 A6 / VW PASSAT / SEAT EXEO COOLANT EXPANSION HEADER TANK & CAP 8E0121403

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New📍 GB
Seller: carspares-direct
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AUDI A6 C6 2004-2011 RADIATOR COOLANT EXPANSION HEADER TANK & CAP 4F0121403N

AUDI A6 C6 2004-2011 RADIATOR COOLANT EXPANSION HEADER TANK & CAP 4F0121403N

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New📍 GB
Seller: carspares-direct
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Coolant Expansion Tank fits AUDI A6 C7 2.0D 11 to 18 NRF 4G0121403G Quality New

Coolant Expansion Tank fits AUDI A6 C7 2.0D 11 to 18 NRF 4G0121403G Quality New

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New📍 GB
Seller: carpartsinmotion
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Coolant Regulating Valve For Audi A4 A5 A6 A7 A8 Q5 Q7 Volkswagen 059121737AM

Coolant Regulating Valve For Audi A4 A5 A6 A7 A8 Q5 Q7 Volkswagen 059121737AM

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New📍 GB
Seller: beyu-auto-parts-manufacturer-yh
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For Audi A6 C6 & A6 Allroad Coolant Expansion Header Tank Bottle+Cap 4F0121403C

For Audi A6 C6 & A6 Allroad Coolant Expansion Header Tank Bottle+Cap 4F0121403C

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New📍 GB
Seller: ele-parts-uk
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Radiator Coolant Expansion Tank W/ Cap & Sensor for Audi A6 C7 A7 4GA 4G0121403G

Radiator Coolant Expansion Tank W/ Cap & Sensor for Audi A6 C7 A7 4GA 4G0121403G

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New📍 GB
Seller: premiumparts_eu
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COOLANT CONTROL VALVE 4H0121671D FOR AUDI A1 A3 A4 A5 A6 A7 A8 Q3 Q5 Q7 TT S8 UK

COOLANT CONTROL VALVE 4H0121671D FOR AUDI A1 A3 A4 A5 A6 A7 A8 Q3 Q5 Q7 TT S8 UK

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New📍 GB
Seller: precisionautode
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Premier Coolant Temperature Sensor For Audi A2 A3 A4 A6 A8 Allroad TT CPTS1AU

Premier Coolant Temperature Sensor For Audi A2 A3 A4 A6 A8 Allroad TT CPTS1AU

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New📍 GB
Seller: rtgroup11
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Audi A6 4F C6 Coolant Header Tank Lid Cap New Genuine 8E0121321

Audi A6 4F C6 Coolant Header Tank Lid Cap New Genuine 8E0121321

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New📍 GB
Seller: a8parts
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4G0121403AH Water Coolant Expension Tank For Audi A6 A7

4G0121403AH Water Coolant Expension Tank For Audi A6 A7

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New📍 GB
Seller: oddments-2008
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OEM Coolant Expansion Tank 4G0121403G For AUDI A6 Allroad C7 4G2 4G5 A7 4GA A8

OEM Coolant Expansion Tank 4G0121403G For AUDI A6 Allroad C7 4G2 4G5 A7 4GA A8

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New📍 CN
Seller: taotec-parts
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NEW GENUINE AUDI A6 C7 ENGINE COOLANT EXPANSION TANK RESERVOIR 4G0121403AG

NEW GENUINE AUDI A6 C7 ENGINE COOLANT EXPANSION TANK RESERVOIR 4G0121403AG

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New📍 GB
Seller: lllparts
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Audi A4 B5, A6 C5, Allroad Coolant Expansion Header Tank Bottle & Cap 8D0121403L

Audi A4 B5, A6 C5, Allroad Coolant Expansion Header Tank Bottle & Cap 8D0121403L

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New📍 GB
Seller: maxipartsuk
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AutoStar Germany Coolant Expansion Tank 8D0121403L for Audi A4 A6 RS6, VW Passat

AutoStar Germany Coolant Expansion Tank 8D0121403L for Audi A4 A6 RS6, VW Passat

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New📍 GB
Seller: europeanpartsuk
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Audi A6 C6 Coolant Expansion Tank Reservoir Bottle Fluid Tank 4F0121403N

Audi A6 C6 Coolant Expansion Tank Reservoir Bottle Fluid Tank 4F0121403N

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Used📍 GB
Seller: globalparts-uk
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Questions about these listings

Which model years are named in the listings for Audi A6 coolant?

3 listing titles give model years from 2004 to 2018. Check your car’s year against the fitment details in each listing.

Which part numbers appear in more than one listing for Audi A6 coolant?

4F0121403N, 4G0121403G and 4G0121403AG appear in more than one title. Compare the number on your old part with the listing before you buy.

How do I check fitment before buying Audi A6 coolant?

Match the part number on your old part with the listing, then confirm the model year, generation and engine in the seller’s fitment details. Titles are the sellers’ descriptions, not confirmed fitment.

Check compatibility before buying

These listings were found using Audi A6 coolant search terms. A search match does not establish fitment. Compare the part number, vehicle year, generation and engine with the seller's compatibility details. Confirm delivery, returns and the final price on eBay before ordering.