Select your vehicle
  1. Home
  2. Audi
  3. Engine Coolant Pipe

Audi S4 Engine Coolant Pipe Parts

OE
Audi Porsche VW Hose Clamp  - Mubea 90001359

Audi Porsche VW Hose Clamp - Mubea 90001359

13.7-15.8 mm range - 12 mm width
A3, A4, A4 Quattro, Eos, Golf R, GTI, Jetta, 911, & more
Mubea
1 Rating
Available
In Stock
$2.59
OEM
Audi VW Coolant Pipe O-Ring - Elring 340.420

Audi VW Coolant Pipe O-Ring - Elring 340.420

Located in the coolant crossover pipe
A6 Quattro, A7 Quattro, A8 Quattro, Q5, Q7, S4, & More
Elring
Available
In Stock
$2.99
OEM
Audi VW Engine Coolant Pipe O-Ring - Elring 406.350

Audi VW Engine Coolant Pipe O-Ring - Elring 406.350

100, 100 Quattro, 90, 90 Quattro, A4, A4 Quattro, & more
Elring
Available
In Stock
$2.49
OEM
Audi VW Engine Coolant Pipe O-Ring - Corteco WHT006407

Audi VW Engine Coolant Pipe O-Ring - Corteco WHT006407

100, 100 Quattro, 90, 90 Quattro, A3, A3 Quattro, & more
Corteco
1 Rating
Available
In Stock
$1.09
Clearance
Audi Coolant Pipe - Vaico 06E121045BB

Audi Coolant Pipe - Vaico 06E121045BB

"Cross Over Pipe"
S4, S5, Q5, SQ5 & More
Vaico
2 Ratings
Available
In Stock
Ships Free
$176.99 $134.49
Clearance
Audi Coolant Pipe - Vaico 06E121045BD

Audi Coolant Pipe - Vaico 06E121045BD

Cross Over Pipe
S4, S5, Q7
Vaico
Available
In Stock
Ships Free
$179.99 $116.47
Audi Coolant Pipe - Rein 06E121045BD

Audi Coolant Pipe - Rein 06E121045BD

Cross Over Pipe
S4, S5, Q7
Rein
Available
In Stock
Ships Free
$94.99
Volkswagen Engine Coolant Pipe - Rein 06E121044AF

Volkswagen Engine Coolant Pipe - Rein 06E121044AF

A4 Quattro, A5 Quattro, S5, A4, A6, & more
Rein
Available
In Stock
$46.99
Audi Coolant Supply Pipe Gasket - CRP 079103121AH

Audi Coolant Supply Pipe Gasket - CRP 079103121AH

A6 Quattro, A8 Quattro, Allroad Quattro, Q7, S4, RS4, Touareg
CRP
Available
Ships in 1 business day
$8.19
Audi VW Coolant Pipe O-Ring - Reinz 703905900

Audi VW Coolant Pipe O-Ring - Reinz 703905900

Located in the coolant crossover pipe.
A6 Quattro, A7 Quattro, A8 Quattro, Q5, Q7, S4, & More
Reinz
Available
In Stock
$5.39
Audi Coolant Pipe O-Ring - CRP 079121091DEC

Audi Coolant Pipe O-Ring - CRP 079121091DEC

A6 Quattro, Allroad Quattro, S4
CRP
Available
In Stock
$4.09
Audi VW Engine Coolant Pipe O-Ring - Febi Bilstein 4E0121666

Audi VW Engine Coolant Pipe O-Ring - Febi Bilstein 4E0121666

38x4mm
A3, A3 Quattro, A4, A4 Quattro, A5, A5 Quattro, & more
Febi Bilstein
Available
In Stock
$2.39
Audi VW Coolant Pipe O-Ring - CRP N90380002

Audi VW Coolant Pipe O-Ring - CRP N90380002

100, 100 Quattro, 90, 90 Quattro, A4, A4 Quattro, & more
CRP
Available
In Stock
$1.19
Audi VW Coolant Pipe O-Ring - CRP N90765301

Audi VW Coolant Pipe O-Ring - CRP N90765301

A3, A4, A4 Quattro, Allroad Quattro, Beetle, & more
CRP
Available
In Stock
$1.09
Audi Porsche VW Engine Coolant Pipe O-Ring - Febi N90765301

Audi Porsche VW Engine Coolant Pipe O-Ring - Febi N90765301

32x4mm
A3, A3 Quattro, A4, A4 Quattro, A5, A5 Quattro, Macan, & more
Febi Bilstein
Available
In Stock
$1.09
Audi Engine Coolant Pipe - Genuine Audi 079121065P

Audi Engine Coolant Pipe - Genuine Audi 079121065P

Position 9 in diagram
RS4, A6 Quattro, S4
Genuine Audi
Available
Ships in 5 business days
Ships Free
$231.99
Audi Engine Coolant Pipe - Genuine Audi 079121070T
Available
Ships in 3 business days
Ships Free
$213.99
Audi VW Engine Coolant Pipe - Genuine VW Audi 06E121083G

Audi VW Engine Coolant Pipe - Genuine VW Audi 06E121083G

A6 Quattro, A7 Quattro, Q5, Q7, S4, S5, & More
Genuine VW Audi
Available
In Stock
Ships Free
$170.60
Audi Engine Coolant Pipe - Genuine Audi 8W2819377

Audi Engine Coolant Pipe - Genuine Audi 8W2819377

Position 19 in diagram
S4, S5 Sportback, S5
Genuine Audi
Available
Ships in 3 business days
Ships Free
$150.99
Audi Engine Coolant Pipe - Genuine Audi 06M121083J

Audi Engine Coolant Pipe - Genuine Audi 06M121083J

This coolant pipe connects to the thermo-pneumatic valve.
S4, S5, S5 Sportback, SQ5 & More
Genuine VW Audi
Available
In Stock
Ships Free
$134.63
Audi VW Engine Coolant Pipe - Genuine Audi VW 06E121044AF
Available
In Stock
Ships Free
$131.99
Audi Engine Coolant Pipe - Genuine Audi 8W0122449CH

Audi Engine Coolant Pipe - Genuine Audi 8W0122449CH

Position 10 in diagram
S4, S5, S5 Sportback
Genuine Audi
Available
Ships in 3 business days
Ships Free
$127.99
Audi VW Engine Coolant Pipe - Genuine VW Audi 06E121044AE

Audi VW Engine Coolant Pipe - Genuine VW Audi 06E121044AE

A6 Quattro, A7 Quattro, Q5, Touareg, S4, & More
Genuine VW Audi
Available
In Stock
Ships Free
$111.02
Audi Coolant Pipe - Genuine Audi 06E121045BD
Available
In Stock
Ships Free
$110.02
Audi Coolant Pipe - Genuine Audi 06E121045BB

Audi Coolant Pipe - Genuine Audi 06E121045BB

"Cross Over Pipe"
S4, S5, Q5, SQ5 & More
Genuine VW Audi
Available
In Stock
Ships Free
$106.38
© FCP Euro 2026. All rights reserved.  
Version: d4d8181da : 53a503b7d08d6a1584b68d28b71f3ec1f789121f