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!
Install new hardware with your new parts.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! Used in securing the coolant expansion tank
Connecting hose between the pair of expansion tank pipes and the pipe that connects the water pump to the coolant flange
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with TSI engines only
Brand:
ES#:
315285
Mfg#:
1K0121109AL
Ships in 1-2 days
13% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$15.99
This product was last offered at the strikethrough price on 06-03-2026
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
Ships in 1 Business Day
ON SALE!
SAVE 24%
$15.99
This product was last offered at the strikethrough price on 05-02-2026
Connecting hose between the pair of expansion tank pipes and the pipe that connects the water pump to the coolant flange
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with TSI engines only
Brand:
ES#:
4818599
Mfg#:
1K0121109AL
In Stock
ON SALE!
SAVE 27%
$8.99
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
