FREE NEXT DAY SHIPPING ON ORDERS BEFORE 1PM!Granville Zerocol 48 Green AntifreezeGranville Zerocol 48 is ethylene glycol based and formulated for optimum performance in heavy duty diesel engine applications, but is equally suitable for light duty use.The product employs established inhibitor technology and is phosphate and amine free. Inhibitors include organic acids in combination with borate, silicate and nitrite which are well known for their ability to provide excellent protection in heavy duty applications, particularly when there is potential for cavitation erosion-corrosion to occur.
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