F 250 4WD Super Duty V8-5.4L SOHC VIN L (1999)
Refrigerant Oil: Fluid Type Specifications
Refrigerant Oil.........................................................................................................................................Polyalkylene Glycol (PAG) Oil (R-134a Systems)
Ford Part Number ........................................................................................................................................................... F7AZ-19589-AD (MC-YN-12C)
Ford Specification .................................................................................................................................................................................. WSH-M1C231-B