EXTEND coolant Engineered for the long haul. Offering a long service life, EXTEND is based exclusively on organic additive technology (OAT) making it suitable for all light duty, heavy duty, and diesel engines.
LONG SERVICE LIFE DIESEL – FOR INTENSE SERVICE HEAVY DUTY DIESEL AND ELECTRICALLY POWERED (EVS) VEHICLES

• Free of the additives 2-EHA, Silicate, Borate, Amine, Nitrite & Phosphate
• Compatible with other OAT coolants
• No SCA Charge required
• Powered by ProShieldTM OAT Corrosion Defense engineered for new cooling systems
• Up to 960,000 km (600,000 miles), 12,000 hours, or 6 years
• Designed and recommended for intense service heavy duty diesel and electrically powered (EVs) vehicles including on-road, off-road, construction, marine, mining, and agricultural equipment.