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Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
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Audi A4 Water Pipe Lines

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Upgraded Aluminum Coolant Pipe - Return (06E121065N)

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 For Our 25th Anniversary 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

Coolant Pipe - Return

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 For Our 25th Anniversary 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

Coolant return pipe

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 For Our 25th Anniversary Sweepstakes!

Fits up to the 2012 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818478
Mfg#:
06H121065D
In Stock
ON SALE! SAVE 21%
$59.99

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

$47.32 USD
Free Shipping
on orders $49 and up

Coolant Supply Pipe With Hoses & Hose Clamps

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 For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4772439
Mfg#:
06B121070HKT1
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 15%
$187.99

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

$159.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coolant Pipe - Return

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
ON SALE!
$106.38

This product was last offered at the strikethrough price on
06-15-2026

$98.40 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Pipe

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 For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
2765607
Mfg#:
06B121070H
In Stock
ON SALE! SAVE 20%
$74.99

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

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant return pipe

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
ON SALE! SAVE 44%
$121.99

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

$68.40 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Pipe

ES#4899501 - 06H121065D - Coolant Return Pipe - Connects the heater core hoses to the waterpump - Rein - Audi

Connects the heater core hoses to the waterpump 2X Entries For Our 25th Anniversary 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
Back Ordered
Auto Notify
$36.99 USD
Free Shipping
on orders $49 and up

Spring Band Clamp - Priced Each

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

Sensor Retaining Clip - Priced Each

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 For Our 25th Anniversary 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

Spring Band Clamp - Priced Each

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

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 For Our 25th Anniversary Sweepstakes!

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

Coolant Pipe - Supply

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 4 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.

$474.99

This product was last offered at the strikethrough price on
07-25-2026

$434.99 USD
Free Shipping
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
07-25-2026

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

Hard Coolant Pipe

ES#280425 - 06D121071R - Hard Coolant Pipe - Located between the coolant flange and upper radiator hose - Genuine Volkswagen Audi - Audi

Located between the coolant flange and upper radiator hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280425
Mfg#:
06D121071R
Ships in 2 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.

$154.99

This product was last offered at the strikethrough price on
07-25-2026

$141.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Return

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
In Stock at Vendor
$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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