Unlike aftermarket coolants containing borates and silicates that harm aluminum and cause blockages, this coolant is specifically formulated for use with aluminum alloy Subaru engines and water-cooling systems.
• Protects against corrosion with organic corrosion inhibitor
• Eliminates the silicate gelling that causes radiator plugging/overheating
• Meets/exceeds all Subaru OEM specifications
• Required for use in all warranty repairs 1 Gallon Bottle