Select your own expansion tank cover color and cap to enhance your engine bay
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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
Cover your new coolant expansion tank with premium carbon fiber material!
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Brand:
ES#:
4820175
Mfg#:
5WA121407FKT
Ships in 1-2 days
ON SALE!
SAVE 20%
$247.99
This product was last offered at the strikethrough price on 05-02-2026
Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank replacement kit.
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Brand:
ES#:
3672037
Mfg#:
5Q0121321KT
Ships on Oct 15, 2026
ON SALE!
SAVE 19%
$91.99
This product was last offered at the strikethrough price on 01-03-2026
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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Replace at the first signs of leakage
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Brand:
ES#:
315464
Mfg#:
1K0122447GC
In Stock
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$26.99
This product was last offered at the strikethrough price on 06-05-2026
Replace at the first signs of leakage
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Brand:
ES#:
315284
Mfg#:
1K0121109AK
In Stock at Vendor
17% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$29.99
This product was last offered at the strikethrough price on 05-07-2026
Install new hardware with your new parts.
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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 1-2 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 06-05-2026
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.
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Volkswagen
Lifetime Replacement
