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HD Expert is focused on formulating heavy duty engine antifreeze/coolants that get the job done — so you can keep doing yours. Our specialized formulas are made for the hardest working heavy duty engines on earth, specially formulated to ensure every type of heavy duty application stays up and running. Developed by our team of expert engineers, HD Expert antifreeze/coolants stop corrosion on all cooling-system metals, and keep engines cool and clean during the toughest jobs, the harshest conditions and the longest hauls. Learn more at www.hdexpert.com

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