Keep proper pressure in your coolant system
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Brand:
ES#:
4818658
Mfg#:
5Q0121321
Ships in 2 Business Days
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
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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
Install new hardware with your new parts. 4.8x19
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Used to secure the coolant expansion tank
Brand:
ES#:
467231
Mfg#:
N10003203
Ships in 3 Business Days
25% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$2.78
This product was last offered at the strikethrough price on 05-15-2026
Everything in one kit to replace your coolant expansion tank
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Seals the expansion tank cap to the reservoir. 28.5x3.8
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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!
Replace at the first signs of leakage
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! For vehicles with TSI engines only
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.
Lifetime Replacement
