The 6/1 gallon Prestone Command ESI Precharged Antifreeze Concentrate is a Red Command ESI from Prestone based on Pre-Charged ESI (SCA‑containing) technology, formulated for use in heavy-duty diesel. It is supplied as a full-strength concentrate that should be mixed 50/50 with distilled water before use and provides pre-charged corrosion inhibitors.

• Brand: Prestone
• Product Type: Command ESI
• Color / Formula: Red
• Formation: Pre-Charged ESI (SCA‑containing)
• Type: Pre-Charged HD
• Dilution: Concentrate
• Container Size: 1 gallon
• Pack Size: 6/1 gallon
• Vehicle Compatibility: Heavy-duty diesel
• Vehicle Makes: Heavy-duty diesel
• Protection Features: Pre-charged corrosion inhibitors
• Specification / Performance Level: ASTM D6210

• Class 6–8 heavy-duty trucks
• Commercial diesel engines
• Construction and agricultural equipment
• Stationary diesel generators
• Fleet semi-trucks and tractor-trailers

Compatible with SCA‑treated systems

This product meets the following specifications: ASTM D6210. Keep out of reach of children and pets. Dispose of used coolant in accordance with local environmental regulations — do not pour down drains or onto the ground.