1. Home
  2. Audi
  3. Coolant Expansion Tank

Audi A6 Coolant Expansion Tank Parts
OEM
Audi Coolant Expansion Tank - Mahle Behr CRT232000S

Audi Coolant Expansion Tank - Mahle Behr CRT232000S

A6, A6 Quattro
Mahle Behr
Available
Ships in 1 business day
$47.49
OEM
Audi Engine Coolant Reservoir - Mahle Behr CRT60000S

Audi Engine Coolant Reservoir - Mahle Behr CRT60000S

Expansion Tank
A6, A6 Quattro, A7 Quattro, S6, S7, RS7
Mahle Behr
2 Ratings
Available
In Stock
$39.57
OEM
Audi VW Expansion Tank - Mahle Behr 8D0121403L

Audi VW Expansion Tank - Mahle Behr 8D0121403L

A4, A4 Quattro, A6, A6 Quattro, Passat, RS6
Mahle Behr
13 Ratings
Available
Ships in 2 business days
$33.09
OEM
Audi Coolant Expansion Tank - Mahle Behr 4A0121403

Audi Coolant Expansion Tank - Mahle Behr 4A0121403

100, 100 Quattro, A6, A6 Quattro, S4, S6
Mahle Behr
11 Ratings
Available
In Stock
$32.64
OEM
Audi Coolant Expansion Tank - Mahle/Behr 8E0121403D

Audi Coolant Expansion Tank - Mahle/Behr 8E0121403D

A6, A6 Quattro
Mahle Behr
Available
In Stock
$28.09
OEM
Audi Porsche VW Expansion Tank Cap - Rein CPE0024P

Audi Porsche VW Expansion Tank Cap - Rein CPE0024P

A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, Cayenne, Panamera, & more
Rein
2 Ratings
Available
In Stock
$11.29
OEM
Audi VW Expansion Tank Cap Gasket - Elring 939.710

Audi VW Expansion Tank Cap Gasket - Elring 939.710

A3, A3 Quattro, A4, A4 Quattro, A5, A6, & More
Elring
2 Ratings
Available
In Stock
$5.39
Audi Expansion Tank - Febi Bilstein 8E0121403D

Audi Expansion Tank - Febi Bilstein 8E0121403D

A6, A6 Quattro
Febi Bilstein
3 Ratings
Available
Ships in 2-3 weeks
$41.49
Audi Expansion Tank - Meyle 1002230016

Audi Expansion Tank - Meyle 1002230016

A7 Quattro, RS7, S6, A6, S7, & more
Meyle
Available
In Stock
$40.09
Audi Coolant Expansion Tank - Meyle 4A0121403

Audi Coolant Expansion Tank - Meyle 4A0121403

100, 100 Quattro, A6, A6 Quattro, S4, S6
Meyle
1 Rating
Available
In Stock
$40.09
Audi Engine Coolant Reservoir - Rein EPT0191

Audi Engine Coolant Reservoir - Rein EPT0191

Expansion Tank
A6, A6 Quattro, A7 Quattro, S6, S7, RS7
Rein
Available
In Stock
$36.69
Audi Engine Coolant Reservoir - URO Parts 4F0121403N

Audi Engine Coolant Reservoir - URO Parts 4F0121403N

A6 Quattro, A6
URO Parts
Available
Ships in 3 business days
$31.09
Audi Expansion Tank Cap - Febi Bilstein 8E0121321

Audi Expansion Tank Cap - Febi Bilstein 8E0121321

A4, A4 Quattro, A6, A6 Quattro, A7 Quattro, & more
Febi Bilstein
2 Ratings
Available
In Stock
$10.09
Audi Porsche VW Expansion Tank Cap - Febi-Bilstein 40722

Audi Porsche VW Expansion Tank Cap - Febi-Bilstein 40722

A4, A4 Quattro, A5, A5 Quattro, Beetle, Eos, Macan, & More
Febi Bilstein
13 Ratings
Available
In Stock
$9.09
Expansion Tank Cap - Febi Bilstein 443121321

Expansion Tank Cap - Febi Bilstein 443121321

100, 100 Quattro, 200, 200 Quattro, 4000, & more
100, 100 Quattro, 200, 200 Quattro, 4000, & more
Febi Bilstein
1 Rating
Available
Ships in 1 business day
$7.99
Audi Porsche VW Expansion Tank Cap - Meyle 1001210049

Audi Porsche VW Expansion Tank Cap - Meyle 1001210049

A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, Cayenne, & more
Meyle
8 Ratings
Available
In Stock
$6.59
Audi VW Expansion Tank Cap - URO Parts 008068

Audi VW Expansion Tank Cap - URO Parts 008068

A4, A4 Quattro, A5, A5 Quattro, Beetle, Eos, Macan, & More
URO Parts
Available
In Stock
$5.09
VW Expansion Tank cap - Meyle 1001210042

VW Expansion Tank cap - Meyle 1001210042

Quattro, S8, Coupe, A6, A4 Quattro, & more
Meyle
Available
Ships in 2-3 weeks
$4.99
Audi VW Engine Coolant Reservoir Nut - Vaico V10-2062

Audi VW Engine Coolant Reservoir Nut - Vaico V10-2062

allroad, A6 Quattro, S5, A3 Sportback e-tron, RS7, & more
Vaico
Available
In Stock
$0.59
Audi Engine Coolant Reservoir - Genuine VW Audi 4G0121403AG

Audi Engine Coolant Reservoir - Genuine VW Audi 4G0121403AG

Expansion Tank
A6, A6 Quattro, A7 Quattro, S6, S7, RS7
Genuine VW Audi
Available
In Stock
Ships Free
$152.99
Audi Coolant Expansion Tank - Genuine Audi 4F0121403N

Audi Coolant Expansion Tank - Genuine Audi 4F0121403N

A6, A6 Quattro
Genuine Audi
Available
Ships in 3 business days
Ships Free
$97.99
Audi VW Expansion Tank - Genuine Audi VW 8D0121403L

Audi VW Expansion Tank - Genuine Audi VW 8D0121403L

A4, A4 Quattro, A6, A6 Quattro, Passat, RS6
Genuine VW Audi
1 Rating
Available
In Stock
Ships Free
$86.32
Audi VW Engine Coolant Reservoir Bracket - Genuine VW Audi 4G0121214AE

Audi VW Engine Coolant Reservoir Bracket - Genuine VW Audi 4G0121214AE

A6, A6 Quattro, A7 Quattro, S6, S7, & More
Genuine VW Audi
Available
Ships in 3 business days
$42.59
Audi Expansion Tank Cap - Genuine Audi 8E0121321

Audi Expansion Tank Cap - Genuine Audi 8E0121321

A4, A4 Quattro, A6, A6 Quattro, A8 Quattro, S4, S6, S8
Genuine Audi
3 Ratings
Available
In Stock
$41.99
Audi Porsche VW Expansion Tank Cap - Genuine VW Audi 3B0121321

Audi Porsche VW Expansion Tank Cap - Genuine VW Audi 3B0121321

A4, A4 Quattro, A5, A5 Quattro, Beetle, Eos, Macan, & More
Genuine VW Audi
4 Ratings
Available
In Stock
$29.68

Get help answering any questions you have

Contact Us
Special offers, news, & promos
© FCP Euro 2026. All rights reserved.  
Version: 6b61a6b1c : 53a503b7d08d6a1584b68d28b71f3ec1f789121f