Description

• Prestone Heavy-Duty Concentrate Anti-Freeze/Coolant is concentrated for heavy duty diesel or gasoline engines
• Nitrite free, extended life organic acid technology (oat)
• Complete liner pitting and corrosion protection
• Protects aluminum and all other engine metals
• Premium long-lasting inhibitors are designed to guard against temperature extremes, rust, cavitation corrosion and premature water pump failure
• Size: 3.78 L (1 US gal)
• Always dilute concentrated coolant using deionized water (CT#: 029-3003)