Includes cap
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! Up to production date 3/11/2008
Replace your cracked or dried out components - Used in the lower portion of the expansion tank
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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#:
4142930
Mfg#:
4K0121405AB
In Stock
Limited Qty Sale
$118.99
This product was last offered at the strikethrough price on 02-26-2026
Replaces the failure prone, plastic coolant split pipe from the turbo & expansion tank to the water pipe hose
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Replace a broken connector to restore function
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2 pin connector for the coolant expansion tank level sensor
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#:
2535170
Mfg#:
1J0121321B
In Stock
$5.99
This product was last offered at the strikethrough price on 03-02-2026
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#:
4818658
Mfg#:
5Q0121321
In Stock
ON SALE!
SAVE 24%
$15.99
This product was last offered at the strikethrough price on 05-02-2026
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.
Lifetime Replacement
