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!
See your coolant levels clearly again, comes with coolant level sensor
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 on your coolant, replaces any modern blue or black cooling cap
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2149010
Mfg#:
420121321
Ships in 4 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.
$326.99
This product was last offered at the strikethrough price on 06-17-2026
Keep proper pressure in your coolant system
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4858532
Mfg#:
2Q0121321A
In Stock
ON SALE!
SAVE 22%
$19.99
This product was last offered at the strikethrough price on 05-02-2026
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!
Clean up your engine bay or replace 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#:
2575924
Mfg#:
1J01000-1
In Stock
ON SALE!
SAVE 12%
$29.99
This product was last offered at the strikethrough price on 05-02-2026
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:
ES#:
3690266
Mfg#:
5Q0121321
Back Ordered
$18.99
This product was last offered at the strikethrough price on 04-02-2026
Clean up your engine bay or replace your cracked unit with a new coolant expansion tank replacement kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2762975
Mfg#:
1J0121407FKT
In Stock
$108.93
This product was last offered at the strikethrough price on 02-24-2026
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 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
See your coolant levels clearly again, comes with coolant level sensor
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Brand:
ES#:
2499502
Mfg#:
1K0121407A
In Stock at Vendor
$48.99
This product was last offered at the strikethrough price on 05-07-2026
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
