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Volkswagen Touareg 3 V6 Cooling Expansion Tank Parts

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Coolant Expansion Tank

ES#4272121 - 7P0121407B - Coolant Expansion Tank - Replace leaking tanks to restore system operation - URO - Volkswagen Porsche

Replace leaking tanks to restore system operation 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4272121
Mfg#:
7P0121407B
Back Ordered
$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3624588 - 7P0121407B - Coolant Expansion Tank - Replace leaking tanks to restore system operation - Hamburg Tech - Volkswagen

Replace leaking tanks to restore system operation We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3624588
Mfg#:
7P0121407B
Ships in 2 Business Days
ON SALE! SAVE 10%
$54.99

This product was last offered at the strikethrough price on
09-03-2026

$49.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap - Black

ES#3970169 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Meyle - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970169
Mfg#:
5Q0121321
Ships on Sep 24, 2026
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2802007 - 1J0121321B - Expansion Tank Cap - Keep proper pressure on your coolant - Rein - Audi Volkswagen Porsche

Keep proper pressure on your coolant 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802007
Mfg#:
1J0121321B
Ships on Sep 24, 2026
ON SALE!
$10.99

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

$10.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2815697 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Hamburg Tech - Audi Volkswagen

Keep proper pressure in your coolant system We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815697
Mfg#:
3B0121321
Ships in 2 Business Days
ON SALE! SAVE 10%
$7.99

This product was last offered at the strikethrough price on
09-03-2026

$7.16 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#3672033 - 3C0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Stant - Audi Volkswagen Porsche

Keep proper pressure in your coolant system

Brand:
Stant - Corporate Logo
ES#:
3672033
Mfg#:
3C0121321
Back Ordered
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank With Cap

ES#5373796 - EPK0188 - Coolant Expansion Tank With Cap - Replace leaking tanks to restore system operation - Rein - Volkswagen Porsche

Replace leaking tanks to restore system operation 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5373796
Mfg#:
EPK0188
Ships in 4 Business Days
ON SALE!
$104.99

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

$99.74 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank

ES#4039721 - 7P0121407B - Coolant Expansion Tank - Replace leaking tanks to restore system operation - Meyle - Volkswagen

Replace leaking tanks to restore system operation 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4039721
Mfg#:
7P0121407B
Ships on Sep 24, 2026
$82.99 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.

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