Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
DEI Radiator Relief is a 16 oz coolant additive that can reduce operating coolant temperatures by up to 30°F while inhibiting corrosion and reducing scale buildup. Formulated with anti-foaming and corrosion inhibitors, it is compatible with all types of antifreeze and radiator materials; add per the recommended 1 oz per quart of coolant and allow the system to circulate for full effectiveness.
DEI Radiator Relief - 16oz.
