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Volkswagen Routan 4.0L Cooling Expansion Tank Parts

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Coolant Reservoir

ES#2989578 - 7B0121407A - Coolant Reservoir - Holds coolant for expansion and overflow purposes. Mounted next to cooling fan. - Genuine Volkswagen Audi - Volkswagen

Holds coolant for expansion and overflow purposes. Mounted next to cooling fan. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2989578
Mfg#:
7B0121407A
Ships in 8 Business Days
9% off MSRP

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

$123.99

This product was last offered at the strikethrough price on
02-26-2026

$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Tank Cap

ES#2806754 - 7B0121323A - Coolant Tank Cap - Covers the top of the coolant reservoir - Genuine Volkswagen Audi - Volkswagen

Covers the top of the coolant reservoir affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2806754
Mfg#:
7B0121323A
In Stock
ON SALE! SAVE 35%
$30.99

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

$20.28 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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