Prep Fluid

Waterless Engine Flush

for all engine types

Hygroscopic Engine Flush for:

All Engines


Hygroscopically absorbs water.

When to use:

After draining water from the cooling system.


Ensures all residual water is removed from the system.

Evans Prep Fluid is formulated to hygroscopically absorb water whilst flushing loose dirt and scale from the cooling system prior to filling with Evans Waterless Coolant.