Keltner SHELDEX50 DEX-COOL 50/50 Antifreeze Coolant Pre-Diluted 1 Gallon

This pre-diluted 50/50 antifreeze and coolant is ready to use with no mixing required, making it ideal for top-ups and initial fills. The ethylene glycol-based formula features an extended life carboxylate inhibitor system that provides superior engine protection against freezing, boil-over, and corrosion.

Key Features:

• Single-phase, ethylene glycol-based extended life coolant
• Pre-diluted 50/50 with deionized water for convenience
• Suitable for 5 year or 150,000 mile service life in automotive applications
• Protects against temperatures from -34°F to 265°F
• Silicate-free formula compatible with GM, Ford, and Chrysler vehicles
• Meets GM6277M DEX-COOL specifications
• Low silicate content meets Cummins and heavy-duty diesel requirements
• Protects brass, aluminum, copper, steel, cast iron, and solder from corrosion

This universal automotive engine coolant is designed for use in both gasoline and diesel engines. In heavy-duty applications not requiring nitrite, it provides up to 400,000 miles or 8,000 hours of service life. The formula offers exceptional heat transfer properties and is compatible with cooling system filters, diesel supplemental coolant additives, and conventional coolants.