Audi A6 Radiators

We found 20 eBay listings for Audi A6 radiators, covering model years 1998 to 2023.

20 listings available |17 sellers

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

Compare radiators options for the Audi A6 by part number, specification and seller fitment details. Matching listing titles mention 1998–2023; 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 radiators checked on 5 November 2026, 18 give model years between 1998 and 2023, most often 2012–2018 (5). Part numbers in more than one title: 8K0121251H, 8K0121251AG. Titles are the sellers’ descriptions, not confirmed fitment: match the part number, model year, generation and engine before you buy.

20 Results

Radiators

Found 20 listings for "audi a6 radiators"

New Radiators 8K0121251H for Audi A6 Quattro A7 S5 S4 A5 A4 Sedan 2009 US

New Radiators 8K0121251H for Audi A6 Quattro A7 S5 S4 A5 A4 Sedan 2009 US

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New📍 US
Seller: transformers_us
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Radiator For 2011 Audi A6 Quattro

Radiator For 2011 Audi A6 Quattro

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New📍 US
Seller: majestic-auto
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Radiator For 2006-2011 Audi A6

Radiator For 2006-2011 Audi A6

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New📍 US
Seller: autoelements
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Fits Audi A6 A6 Quattro Q3 Q3 Quattro 2012-2019 Radiator 8K0121251AG

Fits Audi A6 A6 Quattro Q3 Q3 Quattro 2012-2019 Radiator 8K0121251AG

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New📍 US
Seller: first_autoparts
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CU2828 Aluminum Core Radiator for 2006-2013 Audi A6 2005-2010 Audi A6 Quattro AT

CU2828 Aluminum Core Radiator for 2006-2013 Audi A6 2005-2010 Audi A6 Quattro AT

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New📍 US
Seller: alpa_store
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New Radiator For 12-18 Audi A6 Quattro 3.0L OEM# 8K0121251AL 8K0121251H

New Radiator For 12-18 Audi A6 Quattro 3.0L OEM# 8K0121251AL 8K0121251H

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New📍 US
Seller: automotive-cooling
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Aluminum Radiator For 2018-2023 Audi A5 Quattro 2019-2023 Audi A6 Quattro

Aluminum Radiator For 2018-2023 Audi A5 Quattro 2019-2023 Audi A6 Quattro

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New📍 US
Seller: quickfitauto
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OEM ENGINE COOLING AUXILIARY RADIATOR for 2012-18 AUDI A6 A7 S6 S7 4G0121212

OEM ENGINE COOLING AUXILIARY RADIATOR for 2012-18 AUDI A6 A7 S6 S7 4G0121212

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New📍 US
Seller: wfyb
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2012-2018 Audi A6 ~ Radiator Core Support Cut w/Complete Cooling Pack

2012-2018 Audi A6 ~ Radiator Core Support Cut w/Complete Cooling Pack

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Used📍 US
Seller: yertyparts
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1x Radiator for Audi A6 Quattro A7 S5 S4 A5 A4 V6 GAS 2009 2018 8K0121251H

1x Radiator for Audi A6 Quattro A7 S5 S4 A5 A4 V6 GAS 2009 2018 8K0121251H

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New📍 US
Seller: autumnharvest
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Fits Audi A6  A6 Quattro A4 A4 Quattro A5 Q5 Q3 2012-2019 Radiator 8K0121251AG

Fits Audi A6 A6 Quattro A4 A4 Quattro A5 Q5 Q3 2012-2019 Radiator 8K0121251AG

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New📍 US
Seller: autogearspot
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2012-2018 Audi A6 A7 S6 S7 3.0T Left Auxiliary Radiator 8K0121212B OEM

2012-2018 Audi A6 A7 S6 S7 3.0T Left Auxiliary Radiator 8K0121212B OEM

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Used📍 US
Seller: jsusedcarparts
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Fit 05-10 Audi A6 2.8L 3.2L Factory Style Aluminum Radiator Replacement DPI2828

Fit 05-10 Audi A6 2.8L 3.2L Factory Style Aluminum Radiator Replacement DPI2828

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New📍 US
Seller: dptmotorsport
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Hudson Engine Cooling Radiator Fits Audi A6 A7 Q7 Q8 SQ5  Audi 8W0121251AB

Hudson Engine Cooling Radiator Fits Audi A6 A7 Q7 Q8 SQ5 Audi 8W0121251AB

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New📍 US
Seller: jncimporters
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Audi A6 Quattro 4.2L V8 Auxiliary Radiator 4F0121212H 2005-2011 New OEM

Audi A6 Quattro 4.2L V8 Auxiliary Radiator 4F0121212H 2005-2011 New OEM

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New📍 US
Seller: apexautomotivellc
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12-18 Audi A7 A6 Dual Radiator Motor Cooling Fan Shroud Assembly 4H0121003N OEM

12-18 Audi A7 A6 Dual Radiator Motor Cooling Fan Shroud Assembly 4H0121003N OEM

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Used📍 US
Seller: euro1link
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Radiator For 1998-2001 Audi A6 Quattro

Radiator For 1998-2001 Audi A6 Quattro

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New📍 US
Seller: majestic-auto
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Radiator For 1998-2001 Audi A6

Radiator For 1998-2001 Audi A6

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New📍 US
Seller: majestic-auto
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2012-2017 AUDI A6 A7 3.0L ENGINE COOLANT COOLING RADIATOR OEM 8K0 121 251 H

2012-2017 AUDI A6 A7 3.0L ENGINE COOLANT COOLING RADIATOR OEM 8K0 121 251 H

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Used📍 US
Seller: rmcmotors
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Hudson Radiator Fits Audi A6 3.2L Auto 4F0121251AF

Hudson Radiator Fits Audi A6 3.2L Auto 4F0121251AF

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New📍 US
Seller: jncimporters
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Questions about these listings

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

18 listing titles give model years from 1998 to 2023; 2012–2018 appears most often (5 listings). Check your car’s year against the fitment details in each listing.

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

8K0121251H and 8K0121251AG 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 radiators?

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 radiators 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.