The Cummins Filtration Fleetguard DCA60L Coolant Additive is a 16oz solution designed to enhance the performance of commercial truck cooling systems. Manufactured by Fleetguard, this coolant additive is specifically formulated to provide optimal protection and durability for truck engines. With the manufacturer part number 21901715295, this product ensures compatibility and reliability for maintaining the efficiency of your vehicle's cooling system. Trust in Fleetguard to keep your commercial truck running smoothly and efficiently. 12 pack