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Audi 4M SQ8 Quattro 4.0T Cooling Expansion Tank Parts

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ES#4060279 - 4M0121321Q - Coolant Expansion Tank Cap  - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Audi

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#:
4060279
Mfg#:
4M0121321Q
In Stock
8% off MSRP

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

$59.99

This product was last offered at the strikethrough price on
06-24-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5340291 - 4M0121321Q - Coolant Expansion Tank Cap  - Keep proper pressure in your coolant system - Hamburg Tech - Audi

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

Brand:
Hamburg Tech - Corporate Logo
ES#:
5340291
Mfg#:
4M0121321Q
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
ES#4863595 - 4M0121321Q - Coolant Expansion Tank Cap  - Keep proper pressure in your coolant system - Vaico - Audi

Keep proper pressure in your coolant system 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#:
4863595
Mfg#:
4M0121321Q
Special Order: No Guaranteed ETA
$39.99 USD
Free Shipping
on orders $49 and up

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
For vehicles with models years from 2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4830190
Mfg#:
4M0121403GKT
Ships in 1 day
$180.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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
Does not include the cap
For vehicles with models years from 2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3668525
Mfg#:
4M0121403G
Ships in 1 day
10% off MSRP

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

$61.99

This product was last offered at the strikethrough price on
06-24-2026

$55.99 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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