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Evans Prep Fluid

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    Start your new system off right with Evans Coolant Prep Fluid. For use as a flush only, Prep Fluid is specifically engineered to ensure your Evans Coolant meets the water content limits by ridding your cooling system of any water-based antifreeze after draining and prior to installing waterless coolant. 2-year limited warranty.

    Evans Prep Fluid Customer Reviews

    Average Rating

    1 Customer Review

    Does what it should

    Reviewed by Kevin L (Overland Park, KS) Reviewed for a 2006 BMW 3-Series — Dec 07, 2017 6:29 AM

    Ease of Installation
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    I put two gallons in an 2 gallon cooling system after draining the old water coolant and drying the system out with a shop vac. It worked perfectly. I tested the system with Evans coolant and the water percentage was at 2%.