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• Designed to open when the coolant temperature reaches 160 degrees
• Built from high quality stainless steel and copper to resist corrosion
• Hypertech accessories are backed by the manufacturer with a 1 year limited warranty

• Maintains optimum engine performance temperatures
• When overheating occurs, fail-safe automatically locks in the open position to permit maximum coolant flow
• Manufactured from high quality components to meet the demanding conditions of the automotive cooling system

• ACDelco is an Original Equipment (OE) supplier and has the experience engineering and manufacturing components that achieve the highest quality standards required by vehicle manufacturers
• Designed to be Original Equipment (OE) like in fit and function to ensure manufacturer designed engine performance
• 12-month/12,000-Mile Limited Warranty

• Offset design, air relief valve, and OEM style seals included where applicable
• Manufactured with OEM specifications and processes
• Copper case and wax compound assures rapid response to temperature changes in the coolant

• Patented safeguard against overheating
• When overheating occurs, fail-safe automatically locks in the open position to permit maximum coolant flow
• Maintains optimum engine performance temperatures