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Audi A4 Water Pipe Lines

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ES#4376374 - 06E 121065N - Upgraded Aluminum Coolant Pipe - Return (06E121065N) - Main return pipe that connects to the heater core hoses and the engine. Made from high-grade Aluminum vs OEM Plastic! - URO Premium - Audi

Main return pipe that connects to the heater core hoses and the engine. Made from high-grade Aluminum vs OEM Plastic! 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO Premium - Corporate Logo
ES#:
4376374
Mfg#:
06E 121065N
In Stock
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818461 - 06E121065N - Coolant Pipe - Return - Main return pipe that connects to the heater core hoses and the engine - Bremmen Parts - Audi

Main return pipe that connects to the heater core hoses and the engine 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818461
Mfg#:
06E121065N
In Stock
ON SALE! SAVE 20%
$40.99

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

$32.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4772439 - 06B121070HKT1 - Coolant Supply Pipe With Hoses & Hose Clamps - Located along top of the intake manifold - Assembled By ECS - Audi

Located along top of the intake manifold 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4772439
Mfg#:
06B121070HKT1
In Stock
ON SALE! SAVE 15%
$187.99

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

$159.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2765607 - 06B121070H - Coolant Supply Pipe - Located along top of the intake manifold - Bremmen Parts - Audi

Located along top of the intake manifold 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
2765607
Mfg#:
06B121070H
In Stock
ON SALE! SAVE 25%
$74.99

This product was last offered at the strikethrough price on
05-12-2026

$56.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818478 - 06H121065D - Coolant return pipe - Connects the heater core hoses to the waterpump - Bremmen Parts - Audi

Connects the heater core hoses to the waterpump 10X Entries Into Our F80 M3 Sweepstakes

Fits up to the 2012 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818478
Mfg#:
06H121065D
In Stock
ON SALE! SAVE 50%
$59.99

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

$30.00 USD
Free Shipping
on orders $49 and up
ES#280786 - 06E121065N - Coolant Pipe - Return - Main return pipe that connects to the heater core hoses and the engine - Genuine Volkswagen Audi - Audi

Main return pipe that connects to the heater core hoses and the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280786
Mfg#:
06E121065N
In Stock
19% off MSRP

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

$131.65

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

$106.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4899501 - 06H121065D - OE+ Upgraded Aluminum Coolant Pipe - Return - Permanently solve another common cooling system failure point on your 2.0T engine by replacing the factory plastic heater return pipe with this upgraded aluminum version. - Rein - Audi

Permanently solve another common cooling system failure point on your 2.0T engine by replacing the factory plastic heater return pipe with this upgraded aluminum version. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Fits up to the 2012 model year

Brand:
Rein - Corporate Logo
ES#:
4899501
Mfg#:
06H121065D
In Stock
$36.99 USD
Free Shipping
on orders $49 and up
ES#516227 - N90686902 - Spring Band Clamp - Priced Each - Ensure a leak free installation. 23x12 - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a leak free installation. 23x12

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
516227
Mfg#:
N90686902
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#281427 - 06H121065D - Coolant return pipe - Connects the heater core hoses to the waterpump - Genuine Volkswagen Audi - Audi

Connects the heater core hoses to the waterpump Fits up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281427
Mfg#:
06H121065D
In Stock
24% off MSRP

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

$94.99

This product was last offered at the strikethrough price on
06-21-2026

$72.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#470518 - N90686701 - Spring Band Clamp - Priced Each - Ensure a leak free installation. 14x12mm - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a leak free installation. 14x12mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470518
Mfg#:
N90686701
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2535127 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - URO - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535127
Mfg#:
032121142
In Stock
$1.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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

Brand:
URO - Corporate Logo
ES#:
4932373
Mfg#:
06E121044AF
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
ES#280423 - 06D121065J - Coolant Pipe - Supply - Hard pipe that connects to the thermostat, heater core hose, oil cooler hose, and turbocharger cooling line. - Genuine Volkswagen Audi - Audi

Hard pipe that connects to the thermostat, heater core hose, oil cooler hose, and turbocharger cooling line.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280423
Mfg#:
06D121065J
Ships in 3 Business Days
10% off MSRP

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

$474.99

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

$427.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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
09-09-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2806915 - 06B121070HKT - Coolant Supply Pipe with hose clamps - Located along top of the intake manifold - Assembled By ECS - Audi

Located along top of the intake manifold 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2806915
Mfg#:
06B121070HKT
In Stock
ON SALE! SAVE 24%
$99.99

This product was last offered at the strikethrough price on
05-12-2026

$75.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4846042 - 06B121065AC - Coolant Pipe - Return  - Main return pipe that connects to the water pump and the heater core - Vaico - Audi

Main return pipe that connects to the water pump and the heater core We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4846042
Mfg#:
06B121065AC
Ships in 1 Business Day
$94.99

This product was last offered at the strikethrough price on
04-15-2026

$93.99 USD
Free Shipping
on orders $49 and up

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