Install a brand new expansion tank with a new cap and hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2678370
Mfg#:
8K0121405NKT
In Stock
ON SALE!
$86.99
This product was last offered at the strikethrough price on 05-02-2026
Located between the coolant expansion tank and the cylinder head coolant flange
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. 5x20
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Used to secure the coolant expansion tank
Brand:
ES#:
471868
Mfg#:
N91090701
In Stock
25% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$3.99
This product was last offered at the strikethrough price on 06-03-2026
Plastic reservoir for the coolant system
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Brand:
ES#:
3658435
Mfg#:
8K0121403AC
In Stock at Vendor
$58.99
This product was last offered at the strikethrough price on 05-07-2026
Connects the expansion tank to the cylinder head flange
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Up to production date 4/9/2012
Brand:
ES#:
1285726
Mfg#:
8R0121081
Ships in 1-2 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.
$103.99
This product was last offered at the strikethrough price on 02-26-2026
Connects to the lower radiator hose
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! Connects lower radiator hose to the coolant expansion tank hose and water pump hose
Keep proper pressure in your coolant system
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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
