Prestone
Bug Wash Windshield Washer FluidCCT Score6.4*
Health7.8Env7.0Price
Editorial score, not a lab test
Our #1 Prestone pick
Top-ranked Washer Fluid in our Prestone lineup, scored independently on effectiveness, health, and environmental impact. No paid placements.
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Prestone has been producing automotive chemicals since 1927, starting with antifreeze and expanding into windshield washer fluids, fuel additives, and brake fluid. The brand is one of the most recognized names in automotive fluids in North America and is widely distributed through mass retail and automotive parts chains.
Prestone was acquired by Recochem Inc. in 2020. Its product line is positioned for value-conscious consumers seeking reliable, widely available automotive fluid products. The brand's washer fluid line spans summer bug-cleaning formulas, all-season variants, and cold-weather de-icers.
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