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 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Cover your new coolant expansion tank with premium carbon fiber material!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4820175
Mfg#:
5WA121407FKT
Ships in 2 Business Days
ON SALE!
SAVE 18%
$247.99
This product was last offered at the strikethrough price on 05-02-2026
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 Nov 11, 2026
ON SALE!
SAVE 12%
$80.99
This product was last offered at the strikethrough price on 03-23-2026
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!
Connects to the lower radiator hose
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Keep proper pressure in your coolant system
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4004591
Mfg#:
5Q0121321
In Stock
ON SALE!
$16.99
This product was last offered at the strikethrough price on 06-29-2026
Connects the thermostat to the expansion tank
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with CBEA or CJAA engine code only
Brand:
ES#:
1833519
Mfg#:
1K0122109CB
In Stock at Vendor
$78.99
This product was last offered at the strikethrough price on 01-16-2026
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
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.
Lifetime Replacement
