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You need RUGGED Protection for your car and truck.
Rugged Anti-Freeze and Coolant is recommended for use in water cooled vehicles including automobiles, light trucks and heavy duty vehicles, both
foreign and domestic. It protects all cooling system metals, including aluminum, from corrosion and rust. Rugged Anti-Freeze and Coolant prevents hard water deposits on heads and blocks, as well as
preventing excessive foaming. It will not harm hoses, gaskets, pump packings, or automobile finishes.
Compatible with all major brands of Anti-Freeze/Coolant and meets or exceeds ASTM D3306 and ASTM D4340 (aluminum corrosion test). It is
recommended for use where "low silicate" or "GM 6038M" is specified.
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