Install a brand new expansion tank with a new cap and hardware
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 5/2/2011
Brand:
ES#:
2678371
Mfg#:
8K0121405NKT2
Ships in 1 day
$236.99
This product was last offered at the strikethrough price on 08-31-2026
Install a brand new expansion tank with a new cap and hardware
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#:
2762693
Mfg#:
4F0121403NKT
Ships in 1 day
$153.99
This product was last offered at the strikethrough price on 08-31-2026
Install a brand new expansion tank with a new cap and hardware
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#:
2738903
Mfg#:
8D0121403LKT2
Ships in 1 day
$183.99
This product was last offered at the strikethrough price on 09-03-2026
Install a brand new expansion tank with a new cap and hardware
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 Up to production date 5/1/2011
Brand:
ES#:
2678372
Mfg#:
8K0121405FKT2
Ships in 1 day
$236.99
This product was last offered at the strikethrough price on 08-31-2026
Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush!
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#:
4691027
Mfg#:
8W1121405NKT
Ships in 1 day
$565.99
This product was last offered at the strikethrough price on 08-31-2026
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 For Vehicles with DPAA Engine Code Only
Brand:
ES#:
4307416
Mfg#:
8W0121405K
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.
$76.99
This product was last offered at the strikethrough price on 08-31-2026
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 For vehicles with models years from 2020
Brand:
ES#:
4830190
Mfg#:
4M0121403GKT
Ships in 1 day
$181.99
This product was last offered at the strikethrough price on 10-26-2026
Expansion tank bracket that bolts up to the vehicle frame
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#:
3212558
Mfg#:
80A121232AQ
Ships in 1 day
14% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$55.99
This product was last offered at the strikethrough price on 08-31-2026
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
Plastic pressure cap for 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
Install a brand new expansion tank with a new cap and hardware
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#:
3706543
Mfg#:
4F0121403TKT1KT
Ships in 4 Business Days
ON SALE!
$173.99
This product was last offered at the strikethrough price on 05-02-2026
Install a brand new expansion tank with a new cap and hardware
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 Fits from production date 1/14/2019
Brand:
ES#:
3969909
Mfg#:
8W0121405GKT1
Ships in 4 Business Days
$252.99
This product was last offered at the strikethrough price on 10-26-2026
Install a brand new expansion tank with a new cap and hardware
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#:
3706542
Mfg#:
4F0121403TKT
Ships in 4 Business Days
$208.99
This product was last offered at the strikethrough price on 08-31-2026
Install a brand new expansion tank with a new cap and hardware
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 Fits up to production date 11/13/2017
Brand:
ES#:
3969907
Mfg#:
8W0121405EKT
Ships in 4 Business Days
$252.99
This product was last offered at the strikethrough price on 10-26-2026
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
