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Audi B8 Expansion Tank Hoses

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034Motorsport Billet Coolant Vent Union

ES#4810768 - 034-102-Z048 - 034Motorsport Billet Coolant Vent Union - Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines. - 034Motorsport - Audi Volkswagen

Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines. 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
034Motorsport - Corporate Logo
ES#:
4810768
Mfg#:
034-102-Z048
In Stock
$31.00 USD
Free Shipping

Metal Cooling Hose Adapter/Breather Assembly

ES#4715589 - 06K121143PRM - Metal Cooling Hose Adapter/Breather Assembly - Mounts in cylinder head for coolant hose connection. Upgrade from the factory brittle plastic! - URO - Audi Volkswagen

Mounts in cylinder head for coolant hose connection. Upgrade from the factory brittle plastic! 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4715589
Mfg#:
06K121143PRM
In Stock
$26.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Hose

ES#4818674 - 8K0121081AH - Coolant Expansion Tank Hose - Located between the coolant expansion tank and the cylinder head coolant flange - Bremmen Parts - Audi

Located between the coolant expansion tank and the cylinder head coolant flange 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818674
Mfg#:
8K0121081AH
In Stock
ON SALE! SAVE 15%
$46.99

This product was last offered at the strikethrough price on
08-17-2026

$39.94 USD
Free Shipping
on orders $49 and up

Expansion Tank Upper Hose

ES#450265 - 8K0121081AB - Expansion Tank Upper Hose - Overflow relief hose for the radiator - Genuine Volkswagen Audi - Audi

Overflow relief hose for the radiator Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450265
Mfg#:
8K0121081AB
In Stock
28% off MSRP

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

$60.00

This product was last offered at the strikethrough price on
10-27-2026

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Vent Hose

ES#2556706 - 8K0121086AA - Expansion Tank Vent Hose - Allows the coolant system to vent into the expansion tank - Genuine Volkswagen Audi - Audi

Allows the coolant system to vent into the expansion tank Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2556706
Mfg#:
8K0121086AA
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.

$138.99

This product was last offered at the strikethrough price on
10-26-2026

$124.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Lower Hose

ES#450280 - 8K0121109Q - Expansion Tank Lower Hose - Connects the lower radiator hose to the expansion tank - Genuine Volkswagen Audi - Audi

Connects the lower radiator hose to the expansion tank Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450280
Mfg#:
8K0121109Q
Ships in 6 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.

$115.00

This product was last offered at the strikethrough price on
10-26-2026

$105.21 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Hose

ES#1864244 - 8K0121081AH - Coolant Expansion Tank Hose - Located between the coolant expansion tank and the cylinder head coolant flange - Genuine Volkswagen Audi - Audi

Located between the coolant expansion tank and the cylinder head coolant flange Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1864244
Mfg#:
8K0121081AH
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.

$110.99

This product was last offered at the strikethrough price on
10-26-2026

$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Upper

ES#2577353 - 8R0121081AN - Expansion Tank Hose - Upper - Connects the expansion tank to the radiator - Genuine Volkswagen Audi - Audi

Connects the expansion tank to the radiator Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
From the 2013 year model

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2577353
Mfg#:
8R0121081AN
Ships in 4 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.

$115.00

This product was last offered at the strikethrough price on
10-26-2026

$103.99 USD
Free Shipping
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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
14x12 spring clamp used in many places on your European vehicles cooling system

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

Expansion Tank Upper Hose

ES#5433827 - 8K0121081AB - Expansion Tank Upper Hose - Overflow relief hose for the radiator - URO - Audi

Overflow relief hose for the radiator 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
URO - Corporate Logo
ES#:
5433827
Mfg#:
8K0121081AB
Ships on Nov 11, 2026
$23.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Billet Coolant Outlet - EA888.3 / EA888.4

ES#5386705 - VWR140014 - RacingLine Billet Coolant Outlet - EA888.3 / EA888.4 - The ultimate long-term fix for the brittle plastic factory part. - Racingline - Audi Volkswagen

The ultimate long-term fix for the brittle plastic factory part. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Racingline - Corporate Logo
ES#:
5386705
Mfg#:
VWR140014
Back Ordered
ON SALE! SAVE 11%
$39.99

This product was last offered at the strikethrough price on
10-26-2026

$35.41 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank Hose

ES#4809603 - 8K0121081AH - Coolant Expansion Tank Hose - Located between the coolant expansion tank and the cylinder head coolant flange - Rein - Audi

Located between the coolant expansion tank and the cylinder head coolant flange 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4809603
Mfg#:
8K0121081AH
Ships in 4 Business Days
$53.99 USD
Free Shipping
on orders $49 and up

Coolant T Connector

ES#3623904 - N90692901 - Coolant T Connector - Connects to the lower radiator hose - URO - Audi Volkswagen

Connects to the lower radiator hose 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!
Connects lower radiator hose to the coolant expansion tank hose and water pump hose

Brand:
URO - Corporate Logo
ES#:
3623904
Mfg#:
N90692901
Ships in 3 Business Days
$11.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

expansion tank hose - Lower

ES#1285734 - 8R0121109 - expansion tank hose - Lower - Connects the expansion tank to the t-fitting - Genuine Volkswagen Audi - Audi

Connects the expansion tank to the t-fitting Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1285734
Mfg#:
8R0121109
Ships in 3 Business Days
13% 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
08-31-2026

$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

expansion tank hose - upper

ES#1285726 - 8R0121081 - expansion tank hose - upper - Connects the expansion tank to the cylinder head flange - Genuine Volkswagen Audi - Audi

Connects the expansion tank to the cylinder head flange Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Up to production date 4/9/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1285726
Mfg#:
8R0121081
Ships in 3 Business Days
13% 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
08-31-2026

$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

expansion tank hose - Upper

ES#2696640 - 8R0121081BP - expansion tank hose - Upper - Connects the expansion tank to the cylinder head flange - Genuine Volkswagen Audi - Audi

Connects the expansion tank to the cylinder head flange Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
From production date 12/11/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2696640
Mfg#:
8R0121081BP
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.

$76.99

This product was last offered at the strikethrough price on
10-26-2026

$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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