Evans Prep Fluid, EC42001, is a waterless cooling system flush engineered specifically to purge the cooling system of water and water-based antifreeze after draining and before installing new Evans Waterless Coolant. Prep Fl...

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Product Review

Evans Prep Fluid, EC42001, is a waterless cooling system flush engineered specifically to purge the cooling system of water and water-based antifreeze after draining and before installing new Evans Waterless Coolant. Prep Fluid should be used when block drains are unavailable or cannot be removed. It is not a substitute for thoroughly draining the cooling system and related components. Prep Fluid is not intended to be a stand-alone operating coolant, but as a flush only. Evans Prep contains a bittering agent/bitterant.

  • Engineered specifically to purge the cooling system before installing new waterless coolant
  • Seeks out old coolant and water that remains after draining existing antifreeze/water mixture from an engine
  • Especially important to use when block drains are unavailable or cannot be removed, ensures that the final water content after installing Evans Waterless Coolant meets operating limits
  • Protects cooling system metals during flush, but is not a substitute for Evans Waterless Coolants

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