Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines.
2X 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
New water pump with coolant housing, does not include pulley
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#:
4920169
Mfg#:
06E121018H
Ships in 1 Business Day
$505.99
This product was last offered at the strikethrough price on 07-23-2026
Testing if your cooling system holds pressure via the expansion tank/radiator cap will ensure there are no leaks once the system is filled
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#:
3673926
Mfg#:
B8800084
In Stock
ON SALE!
SAVE 13%
$146.99
This product was last offered at the strikethrough price on 05-02-2026
6 Bolt pulley that attaches to the water pump
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#:
4881203
Mfg#:
06M121031G
In Stock
6% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$198.32
This product was last offered at the strikethrough price on 08-13-2026
Includes sealing gasket and housing
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#:
2640066
Mfg#:
06E121111AL
In Stock
9% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$134.99
This product was last offered at the strikethrough price on 09-28-2026
Includes the thermostat, temp sensor, and gasket
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#:
4507241
Mfg#:
06H121026ED
In Stock
14% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$507.49
This product was last offered at the strikethrough price on 10-28-2026
Recommended to be replaced with the water pump
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#:
4818497
Mfg#:
06K121605
In Stock
ON SALE!
SAVE 13%
$22.99
This product was last offered at the strikethrough price on 05-02-2026
Found on the back side of the radiator
2X 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 We Price Match - Give Us A Call or Chat!
Genuine Replacement. Includes pulley 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 Includes Updated 6-Bolt Water Pump and Pulley
Brand:
ES#:
4905071
Mfg#:
06M121013D0KT
In Stock
$446.99
This product was last offered at the strikethrough price on 08-14-2026
Replace your Genuine thermostat and temp sensor with one kit!
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 up through the 2015 model year only
Brand:
ES#:
4820332
Mfg#:
06E121111ALKT6KT
Ships in 1-2 days
$525.99
This product was last offered at the strikethrough price on 09-29-2026
Controls the circulation of coolant within the engine via vacuum
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#:
4871918
Mfg#:
06M121678H
In Stock
ON SALE!
SAVE 17%
$118.99
This product was last offered at the strikethrough price on 05-02-2026
Maintain proper operating temperature with a new water pump 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 Includes Updated 6-Bolt Water Pump and Pulley
Brand:
ES#:
4690680
Mfg#:
06M121013DKT
In Stock
$526.99
This product was last offered at the strikethrough price on 08-14-2026
Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.
