1. Home
  2. Audi
  3. Coolant Expansion Tank

Audi S5 Coolant Expansion Tank Parts
OEM
Audi Engine Coolant Reservoir - Mahle Behr CRT169000S

Audi Engine Coolant Reservoir - Mahle Behr CRT169000S

A4 Quattro, A5 Quattro, Q5, S4, S5, SQ5
Mahle Behr
Available
In Stock
$39.09
OEM
Audi VW Expansion Tank Cap - Rein CPE0039

Audi VW Expansion Tank Cap - Rein CPE0039

Arteon, Atlas, Atlas Cross Sport, Golf, & more
Rein
1 Rating
Available
In Stock
$13.79
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 Engine Coolant Reservoir - CRP EPT0271

Audi Engine Coolant Reservoir - CRP EPT0271

S4, S5, S5 Sportback & More
CRP
Available
Ships in 1 business day
Ships Free
$233.99
Audi Coolant Expansion Tank - Febi Bilstein 8K0121405S

Audi Coolant Expansion Tank - Febi Bilstein 8K0121405S

A4 Quattro, A5 Quattro, Q5, S4, S5, SQ5
Febi Bilstein
Available
Ships in 1 business day
Ships Free
$49.69
Audi Coolant Expansion Tank - Rein 8K0121405Q

Audi Coolant Expansion Tank - Rein 8K0121405Q

A4 Quattro, A5 Quattro, Q5, S4, S5, SQ5
Rein
1 Rating
Available
In Stock
Ships Free
$49.25
Audi Coolant Expansion Tank - Rein 8K0121405P

Audi Coolant Expansion Tank - Rein 8K0121405P

A5 Quattro, Q5, S5
Rein
1 Rating
Available
In Stock
$44.29
Audi VW Expansion Tank Cap - Meyle 1001210070

Audi VW Expansion Tank Cap - Meyle 1001210070

Arteon, Atlas, Atlas Cross Sport, Golf, & more
Meyle
Available
In Stock
$15.59
Audi VW Expansion Tank Cap - Febi-Bilstein 103522

Audi VW Expansion Tank Cap - Febi-Bilstein 103522

Arteon, Atlas, Atlas Cross Sport, Golf, & more
Febi Bilstein
Available
In Stock
$11.39
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 Audi 8W1121405N

Audi Engine Coolant Reservoir - Genuine Audi 8W1121405N

S4, S5, S5 Sportback & More
Genuine Audi
Available
In Stock
Ships Free
$192.99
Audi Engine Coolant Reservoir - Genuine Audi 8K0121405S

Audi Engine Coolant Reservoir - Genuine Audi 8K0121405S

S4, A5 Quattro, A4 Quattro, SQ5, Q5, & more
Genuine Audi
Available
Ships in 3 business days
Ships Free
$182.99
Audi Engine Coolant Reservoir Cap - Genuine VW Audi 4M0121321Q

Audi Engine Coolant Reservoir Cap - Genuine VW Audi 4M0121321Q

1.6 bar
A4, A4 Quattro, A5 Quattro, A5 Sportback, & More
Genuine VW Audi
Available
In Stock
Ships Free
$56.30
Audi Engine Coolant Reservoir Bracket - Genuine Audi 8W1121232E

Audi Engine Coolant Reservoir Bracket - Genuine Audi 8W1121232E

S4, S5, S5 Sportback & More
Genuine Audi
Available
Ships in 3 business days
Ships Free
$55.99
Audi VW Expansion Tank Cap - Genuine VW Audi 2Q0121321A

Audi VW Expansion Tank Cap - Genuine VW Audi 2Q0121321A

Arteon, Atlas, Atlas Cross Sport, Golf, & more
Genuine VW Audi
Available
In Stock
$32.88
Audi VW Expansion Tank Cap Gasket - Genuine VW Audi 1H0121687A

Audi VW Expansion Tank Cap Gasket - Genuine VW Audi 1H0121687A

28.5x3.8 | Factory Genuine VW Expansion Tank Cap Gasket
A3, A3 Quattro, A4, A4 Quattro, A5, A6, & More
Genuine VW Audi
4 Ratings
Available
In Stock
$6.09
Audi VW Porsche Bolt - Genuine VW Audi N10158605

Audi VW Porsche Bolt - Genuine VW Audi N10158605

M6x20
S5, S8, S5 Sportback, RS5, TT Quattro, Cayenne & more
Genuine VW Audi
Available
In Stock
$3.09
Audi VW Engine Coolant Reservoir Bolt - Genuine VW Audi N10653201

Audi VW Engine Coolant Reservoir Bolt - Genuine VW Audi N10653201

M6x16
TTS Quattro, S7 Sportback, A3 Quattro, Cayenne, & more
Genuine VW Audi
Available
Ships in 3 business days
$2.59
Audi VW Engine Coolant Reservoir Nut - Genuine VW Audi 811807577C

Audi VW Engine Coolant Reservoir Nut - Genuine VW Audi 811807577C

allroad, A6 Quattro, S5, A3 Sportback e-tron, RS7, & more
Genuine VW Audi
Available
In Stock
$2.19
Audi Engine Coolant Reservoir - URO Parts 8K0121405N

Audi Engine Coolant Reservoir - URO Parts 8K0121405N

w/ Heat Shield
A4 Quattro, A5 Quattro, Q5, S4, S5, SQ5
URO Parts
Backordered
No ETA
$39.29
Audi VW Expansion Tank Cap Gasket - Vaico V10-2598

Audi VW Expansion Tank Cap Gasket - Vaico V10-2598

A3, A3 Quattro, A4, A4 Quattro, A5, A6, & More
Vaico
4 Ratings
Not available
This product is not available for sale
$4.09

Get help answering any questions you have

Contact Us
Special offers, news, & promos
© FCP Euro 2026. All rights reserved.  
Version: c256b16fb : 53a503b7d08d6a1584b68d28b71f3ec1f789121f