Genuine Ford Fluid VC-8 Diesel Cooling System Additive - 16 oz. Replaces fluorescent green-colored V119 premium antifreeze/coolant meeting Ford specification ESE-M97B44-A Replaces yellow-colored Motorcraft gold antifreeze/coolant meeting Ford specification WSS-M97B51-A1 Designed to replace additives depleted between coolant change-outs Now dyed yellow to eliminate engine coolant color change when mixing Genuine OEM