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Audi B9 A4 FWD 2.0T Engine Heating & Cooling 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.

Brand:
034Motorsport - Corporate Logo
ES#:
4810768
Mfg#:
034-102-Z048
In Stock
ON SALE! SAVE 10%
$31.00

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

$27.90 USD
Free Shipping

Coolant Expansion Tank Bypass Line

ES#3086863 - 8W0121081AN - Coolant Expansion Tank Bypass Line - A line that recycles overflown fluid back into the system - Genuine Volkswagen Audi - Audi

A line that recycles overflown fluid back into the system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3086863
Mfg#:
8W0121081AN
In Stock
9% off MSRP

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

$76.67

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

$69.40 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 For Our 25th Anniversary Sweepstakes!
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 Bypass Hose

ES#4920211 - 06L121081K - Coolant Bypass Hose - Upper Center - URO - Audi

Upper Center 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
4920211
Mfg#:
06L121081K
In Stock
$34.49 USD
Free Shipping
on orders $49 and up

Radiator Hose - Upper

ES#4061273 - 8W0122101BH - Radiator Hose - Upper - Replace your leaky radiator hose - Genuine Volkswagen Audi - Audi

Replace your leaky radiator hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4061273
Mfg#:
8W0122101BH
In Stock
2% off MSRP

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

$96.99

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

$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Bypass Hose

ES#2993398 - 06L121081K - Coolant Bypass Hose - connects to coolant hose connector that mounts in the cylinder head - Genuine Volkswagen Audi - Audi

connects to coolant hose connector that mounts in the cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2993398
Mfg#:
06L121081K
Ships in 1 day
9% off MSRP

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

$78.99

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

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe

ES#2993401 - 06L121497AA - Coolant Pipe - Connects the turbo to the cooling system - Genuine Volkswagen Audi - Audi

Connects the turbo to the cooling system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2993401
Mfg#:
06L121497AA
Ships in 1 day
6% 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
08-17-2026

$107.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Bypass Hose

ES#5341426 - 06L121081K - Coolant Bypass Hose - connects to coolant hose connector that mounts in the cylinder head - Rein - Audi

connects to coolant hose connector that mounts in the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5341426
Mfg#:
06L121081K
Back Ordered
Auto Notify
$45.99 USD
Free Shipping
on orders $49 and up

Lower Radiator Hose

ES#3180935 - 8W0122055L - Lower Radiator Hose - Genuine Lower hose - Genuine Volkswagen Audi - Audi

Genuine Lower hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3180935
Mfg#:
8W0122055L
Ships in 3 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.

$211.99

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

$193.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Coolant Line

Return Line

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3211768
Mfg#:
06L121492R
Ships in 1 day
7% off MSRP

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

$178.99

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

$166.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Heating & Cooling Hoses

Over time, the rubber cooling hoses in your engine's cooling system become brittle and can burst or crack, resulting in a coolant leak. Replace old and tired coolant hoses with OEM cooling hoses or quality aftermarket options to save some money.

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