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Audi C8 A7 Quattro 2.0T e-tron

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Audi C8 A7 Quattro 2.0T e-tron Cooling Expansion Tank Parts

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Coolant Expansion Tank

ES#4142930 - 4K0121405AB - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Genuine Volkswagen Audi - Audi

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4142930
Mfg#:
4K0121405AB
In Stock
ON SALE!
$116.99

This product was last offered at the strikethrough price on
06-01-2026

$105.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank

Brand:
Hudson - Corporate Logo
ES#:
4845645
Mfg#:
4K0121405AB
Ships in 1-2 days
$80.99 USD
Free Shipping
on orders $49 and up

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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