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Audi A3 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.

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

MK7/8V Silicone Coolant Hose Re-route Kit

ES#3638683 - 018193ECS02 - MK7/8V Silicone Coolant Hose Re-route Kit - Hide your coolant hose under your intake system for a cleaner appearance - ECS - Audi Volkswagen

Hide your coolant hose under your intake system for a cleaner appearance 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3638683
Mfg#:
018193ECS02
In Stock
ON SALE! SAVE 25%
$58.99

This product was last offered at the strikethrough price on
06-13-2026

$44.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

R600 Coolant Underhose

ES#3969766 - VWR17G7R600 - R600 Coolant Underhose - Reroutes the ugly factory hose underneath your intake - Racingline - Audi Volkswagen

Reroutes the ugly factory hose underneath your intake

Brand:
Racingline - Corporate Logo
ES#:
3969766
Mfg#:
VWR17G7R600
Back Ordered
Auto Notify
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Coolant Reroute Hose

ES#4674429 - CI100053-A - APR Coolant Reroute Hose - Plug and play upgrade that neatly runs under the intake for a clean install. - APR - Audi Volkswagen

Plug and play upgrade that neatly runs under the intake for a clean install. Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4674429
Mfg#:
CI100053-A
Ships on Aug 7, 2026
Auto Notify
10% off MSRP

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

$51.99

This product was last offered at the strikethrough price on
07-20-2026

$46.99 USD
Free Shipping
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

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

Expansion Tank Hose

ES#2719786 - 5Q0122109J - Expansion Tank Hose - Connects the expansion tank to the water tube - Genuine Volkswagen Audi - Audi Volkswagen

Connects the expansion tank to the water tube

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2719786
Mfg#:
5Q0122109J
Ships in 1 day
11% off MSRP

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

$37.99

This product was last offered at the strikethrough price on
07-20-2026

$33.99 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 Secures upper hose to coolant expansion tank

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 Hose Reroute Kit

ES#4623939 - UH013-ACA - Coolant Hose Reroute Kit - Get this silicone hose out of the way to enjoy the looks of your Unitronic Carbon Fiber components. - Unitronic - Audi Volkswagen

Get this silicone hose out of the way to enjoy the looks of your Unitronic Carbon Fiber components.

Brand:
Unitronic - Corporate Logo
ES#:
4623939
Mfg#:
UH013-ACA
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Lower

ES#315416 - 1K0122109AL - Expansion Tank Hose - Lower - Replace at the first signs of leakage - Genuine Volkswagen Audi - Audi Volkswagen

Replace at the first signs of leakage For vehicles with FSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315416
Mfg#:
1K0122109AL
In Stock at Vendor
$83.99

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

$81.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Lower

ES#1833519 - 1K0122109CB - Expansion Tank Hose - Lower - Connects the thermostat to the expansion tank - Genuine Volkswagen Audi - Audi Volkswagen

Connects the thermostat to the expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1833519
Mfg#:
1K0122109CB
In Stock at Vendor
$78.00

This product was last offered at the strikethrough price on
04-17-2026

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

Expansion Tank Hose - Lower

ES#315284 - 1K0121109AK - Expansion Tank Hose - Lower - Replace at the first signs of leakage - Genuine Volkswagen Audi - Audi Volkswagen

Replace at the first signs of leakage For vehicles with TSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315284
Mfg#:
1K0121109AK
In Stock at Vendor
17% off MSRP

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

$29.99

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi/Volkswagen Coolant Hose Reroute Kit

ES#4416561 - 8A1400 - Audi/Volkswagen Coolant Hose Reroute Kit - The COBB Coolant Hose Reroute Kit is constructed of a custom formed 3-ply silicone hose that reroutes coolant underneath your car's intake duct - CobbTuning - Audi Volkswagen

The COBB Coolant Hose Reroute Kit is constructed of a custom formed 3-ply silicone hose that reroutes coolant underneath your car's intake duct

Brand:
CobbTuning - Corporate Logo
ES#:
4416561
Mfg#:
8A1400
Ships in 2 Business Days
$65.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Upper

ES#315464 - 1K0122447GC - Expansion Tank Hose - Upper - Replace at the first signs of leakage - Genuine Volkswagen Audi - Audi Volkswagen

Replace at the first signs of leakage For vehicles with TSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315464
Mfg#:
1K0122447GC
Ships in 1 day
11% off MSRP

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

$26.99

This product was last offered at the strikethrough price on
07-20-2026

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose Relocation Kit

ES#2999256 - CI100033-A - Coolant Hose Relocation Kit - Reroute your coolant hose! - APR - Audi Volkswagen

Reroute your coolant hose! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
2999256
Mfg#:
CI100033-A
Ships in 5 Business Days
11% off MSRP

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

$53.99

This product was last offered at the strikethrough price on
07-20-2026

$47.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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