Everything in one kit to replace your coolant expansion tank
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Brand:
ES#:
2587387
Mfg#:
8E0121403KT3
In Stock
ON SALE!
$72.99
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
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
5456699
Mfg#:
8W0121405L
In Stock
ON SALE!
SAVE 25%
$90.99
This product was last offered at the strikethrough price on 05-02-2026
Composed of genuine Audi parts to fix your leaking coolant expansion tank.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2649681
Mfg#:
8E0121403AKT1
Ships in 4 Business Days
$139.99
This product was last offered at the strikethrough price on 08-31-2026
Connects the expansion tank to the radiator
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Brand:
ES#:
450277
Mfg#:
8K0121109AA
Ships on Nov 16, 2026
13% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$154.99
This product was last offered at the strikethrough price on 08-31-2026
Includes the heat shield
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat! Up to production date 3/11/2008
Brand:
ES#:
4668543
Mfg#:
8K0121405R
Ships on Nov 17, 2026
$72.99
This product was last offered at the strikethrough price on 05-07-2026
Connecting hose between the pair of expansion tank pipes and the pipe that connects the water pump to the coolant flange
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For vehicles with TSI engines only
Brand:
ES#:
315285
Mfg#:
1K0121109AL
Ships in 1-2 days
19% 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 10-26-2026
See your coolant levels clearly again, comes with coolant level sensor, does not include cap
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Brand:
ES#:
3668526
Mfg#:
4M0121403H
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.
$148.99
This product was last offered at the strikethrough price on 08-31-2026
Connects the expansion tank to the coolant flange
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply From production date 4/10/2012
Brand:
ES#:
2779929
Mfg#:
8K0121081CA
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.
$70.00
This product was last offered at the strikethrough price on 08-31-2026
Install new hardware with your new parts.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat! Used in securing the coolant expansion tank
Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3476100
Mfg#:
1J0121407F
Ships in 2 Business Days
$32.99
This product was last offered at the strikethrough price on 05-07-2026
Ensure a proper seal on hose connections. 17x12
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Secures the expansion tank hose on both sides.
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
