Select your vehicle
  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
On Sale
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 $4.85
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
On Sale
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
In Stock
$49.69 $47.21
On Sale
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
$49.25 $46.79
Audi Coolant Expansion Tank - Rein 8K0121405P

Audi Coolant Expansion Tank - Rein 8K0121405P

A5 Quattro, Q5, S5
Rein
1 Rating
Available
In Stock
$44.29
On Sale
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
Available
In Stock
$39.29 $37.33
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
Available
Ships in 1 business day
$4.09
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
$181.50
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
On Sale
Audi Engine Coolant Reservoir Cap - Genuine Audi 4M0121321Q

Audi Engine Coolant Reservoir Cap - Genuine Audi 4M0121321Q

1.6bar
A4, A4 Quattro, A5 Quattro, A5 Sportback & More
Genuine VW Audi
Available
In Stock
Ships Free
$54.26 $51.00
On Sale
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 $5.79
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

Get help answering any questions you have

Contact Us
Special offers, news, & promos
© FCP Euro 2026. All rights reserved.  
Version: e1e873961 : 53a503b7d08d6a1584b68d28b71f3ec1f789121f