ACDelco Dex-Cool 50/50 Pre-Mix Engine Coolant is a silicate, borate, nitrite, and phosphate free, premium-grade coolant designed to help prevent your engine from overheating during use by absorbing and dispersing the heat of combustion while also protecting against rust and corrosion. Based on carboxylate technology, ACDelco Dex-Cool 50/50 Pre-Mix Engine Coolant is engineered to meet the demands of today's modern engines, including those with hybrid propulsion systems. Perfect for on the go situations, this 50/50 pre-mix coolant comes pre-diluted and is ready for instant use.

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• Designed to help provide effective long-term anti-corrosion support by protecting brass, cast iron, steel, solder, and copper components.
• Designed to provide high-temperature protection for aluminum components
• Non-silicate formula retains excellent heat transfer characteristics for maximized water pump life
• Pre-diluted for convenience