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ECS Heavy Duty Cast Aluminum Thermostat Housing -

As many 1.8T owners know, the factory plastic thermostat housing is a common point of failure for the cooling system. This is largely due to constant heat cycling which causes the factory plastic to heat-harden, become brittle, and eventually warp or crack.

In-House engineered by ECS Tuning, we gladly introduce the Heavy Duty Cast Aluminum Housing. Aside from the obvious change in material, our cast alloy housing includes a larger bore for increased flow, and post machined mounting surfaces for optimum sealing capabilities.

The last housing you'll ever need!