Gly-Cool Antifreeze/Coolant products are precision blended to 50/50, ready to use, and meet ASTM testing standards. Gly-Cool provides maximum protection against damaging rust and corrosion in engine cooling systems.
Cutting Edge Technology Announcement!
NAPS free coolants are now used as Original Equipment Manufacturer (OEM) standard fill in most Asian, European and North American engines. Late model (since 2011) passenger cars, light duty trucks and heavy-duty diesel engines. NAPS Free means there is NO NITRITE, NO AMINE, NO PHOSPHATE, and NO SILICATE. This chemistry is a combination of many organic acids and provides multi-metal corrosion protection, especially for aluminum. It is not aggressive to hoses and gaskets.
