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ShellZone DEX-COOL 50/50 Extended Life Antifreeze/Coolant is a universal, ethylene-glycol-based coolant engineered with a carboxylate inhibitor system for long-term protection and performance.
Meeting GM6277M (General Motors Extended Life Coolant) requirements, this formula provides up to 5 years or 150,000 miles of reliable service in both gasoline and diesel engines.
Pre-mixed with deionized water in a 50/50 ratio, it’s ready to pour—no mixing or measuring required. Ideal for year-round corrosion protection and consistent cooling in passenger vehicles and light-duty trucks.
Features
Long-Life Performance: 5-year / 150,000-mile protection before drain or maintenance.
Advanced Carboxylate Inhibitor System: Prevents corrosion, scale, and deposits on aluminum, brass, copper, steel, and iron.
OEM Approved: Meets GM6277M DEX-COOL specifications and exceeds most major manufacturer standards.
Universal Compatibility: Safe for gasoline and diesel engines that call for DEX-COOL or equivalent extended-life coolants.
50/50 Pre-Diluted Formula: Blended with deionized water—ready for immediate use.
Heat & Freeze Protection: Maintains stability from –34 °F to +265 °F.
Ideal For
Modern passenger cars, light-duty trucks, and diesel vehicles requiring DEX-COOL or extended-life coolant.
Brand: Shell
Product Line: ShellZone DEX-COOL
Type: 50/50 Pre-Diluted Extended-Life Antifreeze + Coolant
Base: Ethylene Glycol
Color: Orange
Volume: 1 Gallon (Each)
Pack Size: Case of 6
Service Life: 5 Years / 150,000 Miles
Standard: GM6277M DEX-COOL Specification
Origin: USA
ShellZone DEX-COOL 50/50 Extended Life Antifreeze/Coolant is a universal, ethylene-glycol-based coolant engineered with a carboxylate inhibitor system for long-term protection and performance.
Meeting GM6277M (General Motors Extended Life Coolant) requirements, this formula provides up to 5 years or 150,000 miles of reliable service in both gasoline and diesel engines.
Pre-mixed with deionized water in a 50/50 ratio, it’s ready to pour—no mixing or measuring required. Ideal for year-round corrosion protection and consistent cooling in passenger vehicles and light-duty trucks.
Features
Long-Life Performance: 5-year / 150,000-mile protection before drain or maintenance.
Advanced Carboxylate Inhibitor System: Prevents corrosion, scale, and deposits on aluminum, brass, copper, steel, and iron.
OEM Approved: Meets GM6277M DEX-COOL specifications and exceeds most major manufacturer standards.
Universal Compatibility: Safe for gasoline and diesel engines that call for DEX-COOL or equivalent extended-life coolants.
50/50 Pre-Diluted Formula: Blended with deionized water—ready for immediate use.
Heat & Freeze Protection: Maintains stability from –34 °F to +265 °F.
Ideal For
Modern passenger cars, light-duty trucks, and diesel vehicles requiring DEX-COOL or extended-life coolant.
Brand: Shell
Product Line: ShellZone DEX-COOL
Type: 50/50 Pre-Diluted Extended-Life Antifreeze + Coolant
Base: Ethylene Glycol
Color: Orange
Volume: 1 Gallon (Each)
Pack Size: Case of 6
Service Life: 5 Years / 150,000 Miles
Standard: GM6277M DEX-COOL Specification
Origin: USA