Pair of plastic coolant lines between the auxiliary water pump and lower expansion tank hose
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Brand:
ES#:
4818598
Mfg#:
1K0121070BD
In Stock
ON SALE!
SAVE 20%
$38.99
This product was last offered at the strikethrough price on 05-02-2026
See your coolant levels clearly again, comes with coolant level sensor
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Keep proper pressure on your coolant, replaces any modern blue or black cooling cap
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Brand:
ES#:
2149010
Mfg#:
420121321
Ships in 1 day
9% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$326.99
This product was last offered at the strikethrough price on 02-26-2026
Keep proper pressure in your coolant system
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Brand:
ES#:
4858532
Mfg#:
2Q0121321A
In Stock
ON SALE!
SAVE 22%
$19.99
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 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
Ships on Sep 29, 2026
$18.99
This product was last offered at the strikethrough price on 04-02-2026
See your coolant levels clearly again, comes with coolant level sensor
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Brand:
ES#:
2499502
Mfg#:
1K0121407A
In Stock at Vendor
$48.99
This product was last offered at the strikethrough price on 05-07-2026
Includes a tank, cap, cap seal and necessary mounting hardware
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Keep proper pressure in your coolant system
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Install new hardware with your new parts.
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Attaches to bottom nipple of expansion tank
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Brand:
ES#:
2103217
Mfg#:
5N0122101AD
Special Order: No Guaranteed ETA
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$148.32
This product was last offered at the strikethrough price on 06-04-2026
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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Brand:
ES#:
315285
Mfg#:
1K0121109AL
Ships in 1 day
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 06-04-2026
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
