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Audi B8/B8.5 S5 Quattro V8 4.2L

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Audi B8/B8.5 S5 Quattro V8 4.2L Coolant Expansion Tank Hoses

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Expansion Tank Hose

ES#450276 - 8K0121109 - Expansion Tank Hose - Connects the expansion tank to the water pipe - Genuine Volkswagen Audi - Audi

Connects the expansion tank to the water pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450276
Mfg#:
8K0121109
Ships in 1-2 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.

$60.99

This product was last offered at the strikethrough price on
09-06-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Overflow Hose

ES#4828203 - 8K0121164R - Coolant Expansion Tank Overflow Hose - The hose that leads from the radiator to the expansion tank - URO - Audi

The hose that leads from the radiator to the expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4828203
Mfg#:
8K0121164R
In Stock
ON SALE! SAVE 11%
$96.99

This product was last offered at the strikethrough price on
08-23-2026

$86.48 USD
Free Shipping
on orders $49 and up

Expansion Tank Hose

ES#2536961 - 8K0121081T - Expansion Tank Hose - Connects the expansion tank to the throttle body union - Genuine Volkswagen Audi - Audi

Connects the expansion tank to the throttle body union

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2536961
Mfg#:
8K0121081T
Ships in 1-2 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
08-31-2026

$103.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Overflow Hose

ES#1268944 - 8K0121164R - Coolant Expansion Tank Overflow Hose - The hose that leads from the radiator to the expansion tank - Genuine Volkswagen Audi - Audi

The hose that leads from the radiator to the expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1268944
Mfg#:
8K0121164R
In Stock
ON SALE!
$121.99

This product was last offered at the strikethrough price on
08-26-2026

$116.41 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Hose

ES#1598006 - 8K0121109AB - Water Hose - Connects from expansion tank to water pipe - Genuine Volkswagen Audi - Audi

Connects from expansion tank to water pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1598006
Mfg#:
8K0121109AB
Ships in 1-2 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.

$103.99

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

$93.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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