Includes the heat shield
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!
Connects the expansion tank to the water tube and radiator
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Up to production date 4/9/2012
Brand:
ES#:
450267
Mfg#:
8K0121081AE
Ships in 3 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.
$198.99
This product was last offered at the strikethrough price on 07-06-2026
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!
Includes the heat shield
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!
Brand:
ES#:
3469662
Mfg#:
8K0121405N
In Stock
ON SALE!
$60.99
This product was last offered at the strikethrough price on 06-29-2026
Connects the expansion tank to the hard water pipes and the small upper radiator port
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms From production date 4/9/2012
Brand:
ES#:
2556704
Mfg#:
8K0121081BK
Ships in 3 Business Days
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$219.99
This product was last offered at the strikethrough price on 07-06-2026
Replace cracked or dried out components
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Used to secure the coolant expansion tank
Brand:
ES#:
450311
Mfg#:
8K0129669
In Stock
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$12.99
This product was last offered at the strikethrough price on 07-06-2026
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!
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
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! From production date 5/2/2011
Brand:
ES#:
2678370
Mfg#:
8K0121405NKT
In Stock
ON SALE!
$86.99
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!
Brand:
ES#:
4004591
Mfg#:
5Q0121321
In Stock
ON SALE!
$16.99
This product was last offered at the strikethrough price on 06-29-2026
Includes the heat shield and cap
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!
Brand:
ES#:
4883484
Mfg#:
8K0121405S
In Stock at Vendor
ON SALE!
$52.99
This product was last offered at the strikethrough price on 06-29-2026
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
