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Audi S4 Engine Coolant Lines

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Coolant Supply Pipe - With Bracket

ES#5424554 - 06E121045BB - Coolant Supply Pipe - With Bracket - Main supply pipe that connects to the upper radiator hose and the engine - Hamburg Tech - Audi

Main supply pipe that connects to the upper radiator hose and the engine From the 2013 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
5424554
Mfg#:
06E121045BB
In Stock
$88.99 USD
Free Shipping
on orders $49 and up

Coolant Pipe - Return

ES#4932373 - 06E121044AF - Coolant Pipe - Return - Secondary return pipe that connects to the supply pipe and the oil cooler hoses - URO - Audi

Secondary return pipe that connects to the supply pipe and the oil cooler hoses 2X Entries Into Our F80 M3 Sweepstakes
Up to the 2012 model year

Brand:
URO - Corporate Logo
ES#:
4932373
Mfg#:
06E121044AF
In Stock
$49.99 USD
Free Shipping
on orders $49 and up

Upper Water Pipe

ES#3132776 - 06E121083N - Upper Water Pipe - Connects supply/return cooling lines to the supercharger - Genuine Volkswagen Audi - Audi

Connects supply/return cooling lines to the supercharger

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3132776
Mfg#:
06E121083N
Ships in 1-2 days
12% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$146.99

This product was last offered at the strikethrough price on
08-31-2026

$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Supply

ES#3697694 - 06E121045BD - Coolant Pipe - Supply - Main supply pipe that connects to the upper radiator hose and the engine - Vaico - Audi

Main supply pipe that connects to the upper radiator hose and the engine We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
Vaico - Corporate Logo
ES#:
3697694
Mfg#:
06E121045BD
Ships in 1 Business Day
$228.99

This product was last offered at the strikethrough price on
05-07-2026

$221.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Pipe Kit

ES#5457084 - 06E121045BBKT - Coolant Supply Pipe Kit - Everything you need to fix your broken or leaking supply pipe! - Assembled By ECS - Audi

Everything you need to fix your broken or leaking supply pipe! 10X Entries Into Our F80 M3 Sweepstakes
From the 2013 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
5457084
Mfg#:
06E121045BBKT
In Stock
ON SALE!
$154.99

This product was last offered at the strikethrough price on
05-02-2026

$146.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Shutoff Valve Cooling Hose Kit

ES#4818159 - 06m121083jKT - Shutoff Valve Cooling Hose Kit - Replace your shutoff valve cooling hose with the new hardware - Genuine Volkswagen Audi - Audi

Replace your shutoff valve cooling hose with the new hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4818159
Mfg#:
06M121083JKT
In Stock
$134.99

This product was last offered at the strikethrough price on
09-29-2026

$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe O-Ring - Priced Each

ES#471191 - N90925001 - Coolant Pipe O-Ring - Priced Each - Provides seal from metal to plastic cooling line end fitting. 17x3 - Genuine Volkswagen Audi - Audi

Provides seal from metal to plastic cooling line end fitting. 17x3

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471191
Mfg#:
N90925001
In Stock
17% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$5.99

This product was last offered at the strikethrough price on
10-24-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Return

ES#4899633 - 06E121065N - Coolant Pipe - Return - Main return pipe that connects to the heater core hoses and the engine - Rein - Audi

Main return pipe that connects to the heater core hoses and the engine 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4899633
Mfg#:
06E121065N
Ships in 9 Business Days
$45.99 USD
Free Shipping
on orders $49 and up

Coolant Pipe - Supply

ES#3697693 - 06E121045BB - Coolant Pipe - Supply - Main supply pipe that connects to the upper radiator hose and the engine - Vaico - Audi Volkswagen

Main supply pipe that connects to the upper radiator hose and the engine We Price Match - Give Us A Call or Chat!
From the 2013 model year

Brand:
Vaico - Corporate Logo
ES#:
3697693
Mfg#:
06E121045BB
Special Order: No Guaranteed ETA
$228.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

coolant pipe - supply

ES#1598005 - 8K0121071J - coolant pipe - supply - Connects the expansion tank hose to the lower radiator hose - Genuine Volkswagen Audi - Audi

Connects the expansion tank hose to the lower radiator hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1598005
Mfg#:
8K0121071J
Ships in 8 Business Days
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$227.99

This product was last offered at the strikethrough price on
10-24-2026

$208.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Return

ES#4810718 - 06E121044AF - Coolant Pipe - Return - Secondary return pipe that connects to the supply pipe and the oil cooler hoses - Rein - Audi

Secondary return pipe that connects to the supply pipe and the oil cooler hoses 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
Rein - Corporate Logo
ES#:
4810718
Mfg#:
06E121044AF
In Stock
$50.99 USD
Free Shipping
on orders $49 and up

Front Coolant Pipe

ES#5341345 - TTE10524 - Front Coolant Pipe - Connects the left side water pipe elbow to the thermostat hose - The Turbo Engineers - Audi

Connects the left side water pipe elbow to the thermostat hose

Brand:
The Turbo Engineers - Corporate Logo
ES#:
5341345
Mfg#:
TTE10524
Ships on Nov 10, 2026
$69.99 USD
Free Shipping
on orders $49 and up

Coolant Pipe - Return

ES#2772341 - 06E121044AF - Coolant Pipe - Return - Secondary return pipe that connects to the supply pipe and the oil cooler hoses - Genuine Volkswagen Audi - Audi

Secondary return pipe that connects to the supply pipe and the oil cooler hoses Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2772341
Mfg#:
06E121044AF
Ships in 1-2 days
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$138.99

This product was last offered at the strikethrough price on
10-05-2026

$123.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Water Pipe

ES#4809955 - 06E121083N - Upper Water Pipe - Connects supply/return cooling lines to the supercharger - Rein - Audi

Connects supply/return cooling lines to the supercharger 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4809955
Mfg#:
06E121083N
Ships in 3 Business Days
$114.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Return

ES#3697692 - 06E121044AF - Coolant Pipe - Return - Secondary return pipe that connects to the supply pipe and the oil cooler hoses - Vaico - Audi

Secondary return pipe that connects to the supply pipe and the oil cooler hoses We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
Vaico - Corporate Logo
ES#:
3697692
Mfg#:
06E121044AF
Ships in 1 Business Day
$114.99

This product was last offered at the strikethrough price on
05-07-2026

$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#4940095 - 032121142 - Sensor Retaining Clip - Priced Each - Used for ECS 2.0T boost taps - Bremmen Parts - Audi Volkswagen

Used for ECS 2.0T boost taps 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940095
Mfg#:
032121142
In Stock
ON SALE! SAVE 50%
$1.99

This product was last offered at the strikethrough price on
05-02-2026

$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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