PAG Oil, a new polyalkylene glycol (PAG) based lubricant, is used to lubricate the high-performance, compact A/C systems of Toyota vehicles. Designed for use in fixed and variable displacement compressors of swash plate and other designs. Exhibits higher Phase Separation Temperatures in R134a type refrigerant A/C systems, which allows for use in orifice tube and Thermal Expansion Valve (TXV) A/C systems.