Ensure a leak free installation. 14x12mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Secures upper hose to coolant expansion tank
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!
Select your own expansion tank cover color and cap to enhance your engine bay
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See your coolant levels clearly again, comes with coolant level sensor
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Brand:
ES#:
2499502
Mfg#:
1K0121407A
In Stock at Vendor
$48.99
This product was last offered at the strikethrough price on 05-07-2026
Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank replacement kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3672037
Mfg#:
5Q0121321KT
Ships on Oct 14, 2026
ON SALE!
SAVE 19%
$91.99
This product was last offered at the strikethrough price on 01-03-2026
Includes a tank, cap, cap seal and necessary mounting hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
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:
ES#:
3476100
Mfg#:
1J0121407F
In Stock at Vendor
$33.99
This product was last offered at the strikethrough price on 03-04-2026
Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank replacement kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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!
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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Volkswagen
Lifetime Replacement
