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Volkswagen MK4 Expansion Tank Hoses

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Cast Aluminum Cooling System Upgrade Kit

ES#3086229 - 006368ecs01a1KT - Cast Aluminum Cooling System Upgrade Kit - Replace the failure prone components in your cooling system with cast aluminum - Assembled By ECS - Audi Volkswagen

Replace the failure prone components in your cooling system with cast aluminum affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with manual transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
3086229
Mfg#:
006368ECS01A1KT
Back Ordered
Auto Notify
ON SALE! SAVE 25%
$231.99

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

$173.98 USD
Free Shipping
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the lower expansion tank hose

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

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

Aluminum Split Pipe Coolant Fitting

ES#2748757 - 006368ECS01A - Aluminum Split Pipe Coolant Fitting - Replaces the failure prone, plastic coolant split pipe from the turbo & expansion tank to the water pipe hose - ECS - Audi Volkswagen

Replaces the failure prone, plastic coolant split pipe from the turbo & expansion tank to the water pipe hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2748757
Mfg#:
006368ECS01A
In Stock
ON SALE! SAVE 96%
$67.99

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

$2.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#307204 - 1J0121109C - Coolant Hose - Connects water pipe to lower port of expansion tank - Genuine Volkswagen Audi - Volkswagen

Connects water pipe to lower port of expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with ALH engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307204
Mfg#:
1J0121109C
Back Ordered
Auto Notify
6% off MSRP

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

$204.99

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

$191.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Lower

ES#3235520 - 1J0122109AL - Expansion Tank Hose - Lower - Connects to lower port on expansion tank - Gates - Volkswagen

Connects to lower port on expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3235520
Mfg#:
1J0122109AL
Back Ordered
$61.99

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

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

Coolant Expansion Tank Hose

ES#3470932 - 1J0122109AA - Coolant Expansion Tank Hose - Expansion Tank to Engine Coolant Pipe Hose to Turbo Coolant Return Pipe - Genuine Volkswagen Audi - Volkswagen

Expansion Tank to Engine Coolant Pipe Hose to Turbo Coolant Return Pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3470932
Mfg#:
1J0122109AA
Ships in 1-2 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.

$56.99

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

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Split Coolant Fitting

ES#3470647 - 462-121-087E - Cast Aluminum Split Coolant Fitting - Replaces the failure prone, plastic coolant split pipe from the turbo & expansion tank to the water pipe hose - iABED Industries - Audi Volkswagen

Replaces the failure prone, plastic coolant split pipe from the turbo & expansion tank to the water pipe hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
iABED Industries - Corporate Logo
ES#:
3470647
Mfg#:
462-121-087E
Back Ordered
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#3235502 - 1J0121109C - Coolant Hose - Connects water pipe to lower port of expansion tank - Gates - Volkswagen

Connects water pipe to lower port of expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with ALH engine code only

Brand:
Gates - Corporate Logo
ES#:
3235502
Mfg#:
1J0121109C
Ships on Jun 25, 2026
$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Lower

ES#3625922 - 1J0122109AQ - Expansion Tank Hose - Lower - Replace at the first signs of leakage - URO - Audi Volkswagen

Replace at the first signs of leakage affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3625922
Mfg#:
1J0122109AQ
Ships in 1 Business Day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Split Pipe Coolant Fitting Kit

ES#2795553 - 006368ECS01AKT - Aluminum Split Pipe Coolant Fitting Kit - Sturdy aluminum fitting with installation hardware and coolant - Assembled By ECS - Audi Volkswagen

Sturdy aluminum fitting with installation hardware and coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2795553
Mfg#:
006368ECS01AKT
Ships in 1-2 days
ON SALE! SAVE 26%
$114.12

This product was last offered at the strikethrough price on
01-03-2026

$84.80 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Hose

ES#251192 - 1J0122447DM - Coolant Hose - Connects upper radiator junction to throttle body and expansion tank upper port - Original Equipment Supplier - Volkswagen

Connects upper radiator junction to throttle body and expansion tank upper port affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with AZG, BEV, or AVH engine code only

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
251192
Mfg#:
1J0122447DM
Back Ordered
$68.99

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

$66.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Split Coolant Fitting

ES#307175 - 1J0121087E - Split Coolant Fitting - Connects the coolant line from the turbo & expansion tank to the water pipe hose - Genuine Volkswagen Audi - Audi Volkswagen

Connects the coolant line from the turbo & expansion tank to the water pipe hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307175
Mfg#:
1J0121087E
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.

$69.99

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

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#307278 - 1J0122109CD - Coolant Hose - Connects water pipe to lower port of expansion tank - Genuine Volkswagen Audi - Volkswagen

Connects water pipe to lower port of expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with BEW engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307278
Mfg#:
1J0122109CD
In Stock at Vendor
$60.99

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

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Lower

ES#3189482 - 626-524 - Expansion Tank Hose - Lower - Replace at the first signs of leakage - Dorman - Audi Volkswagen

Replace at the first signs of leakage affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3189482
Mfg#:
626-524
Ships in 10 Business Days
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Lower

ES#2814307 - 1J0122109AQ - Expansion Tank Hose - Lower - Replace at the first signs of leakage - Hamburg Tech - Audi Volkswagen

Replace at the first signs of leakage affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814307
Mfg#:
1J0122109AQ
Ships in 1 Business Day
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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