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Volkswagen Cooling Expansion Tank Parts

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ES#4818658 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Bremmen Parts - Audi Volkswagen Porsche

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818658
Mfg#:
5Q0121321
In Stock
ON SALE! SAVE 24%
$15.99

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

$12.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
ES#2535170 - 1J0121321B - Expansion Tank Cap - Keep proper pressure in your coolant system - URO - Audi Volkswagen

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535170
Mfg#:
1J0121321B
In Stock
$5.99

This product was last offered at the strikethrough price on
03-02-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3194936 - 1C0121109D - Coolant Hose - From lower expansion tank to water pipe - Vaico - Volkswagen

From lower expansion tank to water pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3194936
Mfg#:
1C0121109D
Back Ordered
$55.99

This product was last offered at the strikethrough price on
03-30-2026

$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#319070 - 1K0973202 - 2-Pin Connector - Priced Each - Replace a broken connector to restore function - Genuine Volkswagen Audi - Audi Volkswagen

Replace a broken connector to restore function affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
319070
Mfg#:
1K0973202
Ships in 1-2 days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#307225 - 1J0121407D - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Genuine Volkswagen Audi - Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307225
Mfg#:
1J0121407D
In Stock
Limited Qty Sale
$107.99

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

$96.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2580983 - 8D0121403LKT1 - Expansion Tank Replacement Kit - Install a brand new expansion tank with a new cap and hardware - Assembled By ECS - Audi Volkswagen

Install a brand new expansion tank with a new cap and hardware 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#:
2580983
Mfg#:
8D0121403LKT1
Ships in 2 Business Days
ON SALE!
$49.99

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

$47.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3189300 - 603-703 - Coolant Expansion Tank - With Cap - Includes integrated coolant level sensor - Dorman - Audi Volkswagen

Includes integrated coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3189300
Mfg#:
603-703
Ships in 4 Business Days
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2814306 - 1J0121403B - Coolant Expansion Tank - Clean up your engine bay or replace your cracked unit with a new coolant expansion tank - Hamburg Tech - Volkswagen

Clean up your engine bay or replace your cracked unit with a new coolant expansion tank 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#:
2814306
Mfg#:
1J0121403B
In Stock
Limited Qty Sale
$15.99

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#470541 - N90693001 - T-Fitting - Priced Each - 8x8x8 - Replace cracked or broken fittings - Genuine Volkswagen Audi - Audi Volkswagen

8x8x8 - Replace cracked or broken fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470541
Mfg#:
N90693001
Ships in 2 Business Days
Limited Qty Sale
$16.99

This product was last offered at the strikethrough price on
05-04-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5346938 - EPT0030 - Coolant Expansion Tank  - Does not include cap - Rein - Audi Volkswagen

Does not include cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
2X Entries For Our G87 M2 Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5346938
Mfg#:
EPT0030
In Stock
ON SALE!
$15.99

This product was last offered at the strikethrough price on
06-29-2026

$14.92 USD
Free Shipping
on orders $49 and up
ES#3612667 - 7P0121407B - Coolant Expansion Tank - Replace leaking tanks to restore system operation - Rein - Volkswagen Porsche

Replace leaking tanks to restore system operation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3612667
Mfg#:
7P0121407B
Ships in 3 Business Days
ON SALE!
$93.99

This product was last offered at the strikethrough price on
06-29-2026

$89.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 2X Entries For Our 25th Anniversary Sweepstakes!
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
ES#302253 - 1H0121321C - Expansion Tank Cap - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Volkswagen

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
302253
Mfg#:
1H0121321C
In Stock
ON SALE! SAVE 41%
$48.58

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

$28.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 2 Business Days
ON SALE! SAVE 22%
$108.41

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

$84.80 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#315461 - 1K0122447EQ - Expansion Tank Hose - Upper - Replace at the first signs of leakage - Genuine Volkswagen Audi - Audi Volkswagen

Replace at the first signs of leakage affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with BPY engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315461
Mfg#:
1K0122447EQ
Ships in 2 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.

$86.99

This product was last offered at the strikethrough price on
07-04-2026

$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Cooling Expansion Tank Parts

A common source of overheating problems is a broken or leaking coolant expansion tank. Replace it with an OEM coolant expansion tank or quality aftermarket expansion tank to prevent future woes.

Other Volkswagen Cooling Expansion Tank Parts

Let us help you find the parts that fit your Volkswagen

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