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
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
Brand:
ES#:
3673926
Mfg#:
B8800084
In Stock
ON SALE!
SAVE 15%
$146.99
This product was last offered at the strikethrough price on 05-02-2026
Replace your unreliable OEM fans with our plug and play solution featuring an aluminum fan shroud and Spal fans
10X Entries Into Our F80 M3 Sweepstakes
Direct-fit upgrade! Featuring a 26% increase in cooling system capacity along with a durable, all aluminum construction. Includes new radiator mounts, fan switch seal and coolant.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4005135
Mfg#:
018163ECS02KT
In Stock
ON SALE!
SAVE 20%
$438.99
This product was last offered at the strikethrough price on 06-13-2026
Includes a new water pump, belt, thermostat/housing, aluminum union piece & hardware, and G13 coolant
10X Entries Into Our F80 M3 Sweepstakes For vehicles with TSI engines only
Brand:
ES#:
4765652
Mfg#:
06J121026NKT2
In Stock
ON SALE!
SAVE 24%
$321.11
This product was last offered at the strikethrough price on 05-02-2026
Replace your unreliable OEM fans with our plug and play solution featuring an aluminum fan shroud and Spal fans
10X Entries Into Our F80 M3 Sweepstakes
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.
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Volkswagen
Lifetime Replacement
