Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines.
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Testing if your cooling system holds pressure via the expansion tank/radiator cap will ensure there are no leaks once the system is filled
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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
Upgraded aluminum water pump union connects water pump module to oil cooler
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Brand:
ES#:
4714613
Mfg#:
06L121131
In Stock
$12.99
This product was last offered at the strikethrough price on 04-15-2026
Mounts in cylinder head for coolant hose connection. Upgrade from the factory brittle plastic!
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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.