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Audi D4 A8 Quattro 3.0T Engine Coolant 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#4845326 - 06E121045BB - Coolant Pipe - Supply - Main supply pipe that connects to the upper radiator hose and the engine - URO - Audi

Main supply pipe that connects to the upper radiator hose and the engine 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4845326
Mfg#:
06E121045BB
Back Ordered
Auto Notify
$90.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4759780 - 06E121045BB - Coolant Pipe - Supply - Main supply pipe that connects to the upper radiator hose and the engine - Rein - Audi

Main supply pipe that connects to the upper radiator hose and the engine 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4759780
Mfg#:
06E121045BB
In Stock
$144.99 USD
Free Shipping
on orders $49 and up
ES#3132775 - 06E121045BB - Coolant Pipe - Supply - Main supply pipe that connects to the upper radiator hose and the engine - Genuine Volkswagen Audi - Audi

Main supply pipe that connects to the upper radiator hose and the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3132775
Mfg#:
06E121045BB
In Stock
10% off MSRP

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

$206.64

This product was last offered at the strikethrough price on
08-24-2026

$186.76 USD
Free Shipping
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

For vehicles up through the 2014 model year only (Pre-Facelift)

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#2817128 - 06E121044AE - 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 From production date 5/17/2011

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2817128
Mfg#:
06E121044AE
In Stock
8% 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
08-24-2026

$134.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4617002 - 06E121065Q - Coolant Pipe - 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 For vehicles up through the 2013 model year only.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4617002
Mfg#:
06E121065Q
Ships in 3 Business Days
9% off MSRP

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

$103.99

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

$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 For vehicles up through the 2014 model year only (Pre-Facelift)

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
08-23-2026

$96.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2737381 - 06E121065S - 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 For vehicles from the 2015 model year only.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2737381
Mfg#:
06E121065S
Ships in 3 Business Days
6% off MSRP

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

$125.99

This product was last offered at the strikethrough price on
08-24-2026

$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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

Brand:
Hamburg Tech - Corporate Logo
ES#:
5424554
Mfg#:
06E121045BB
In Stock at Vendor
$88.99 USD
Free Shipping
on orders $49 and up
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 production date 5/16/2011

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

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
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

Brand:
Assembled By ECS - Corporate Logo
ES#:
5457084
Mfg#:
06E121045BBKT
Back Ordered
Auto Notify
ON SALE!
$154.99

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

$147.51 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
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 production date 5/16/2011

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2772341
Mfg#:
06E121044AF
Ships in 3 Business Days
7% 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
04-07-2026

$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 production date 5/16/2011

Brand:
Vaico - Corporate Logo
ES#:
3697692
Mfg#:
06E121044AF
Ships in 2 Business Days
$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
ES#472014 - N91140701 - Bolt (6x18) - Priced Each - Used on Main return pipe that connects to the heater core hoses and the engine - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472014
Mfg#:
N91140701
Ships in 3 Business Days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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