Superior performance, exceptional longevity, and outstanding compatibility. Idemitsu PAG oils are used by leading automotive compressor OEMs like Denso, Mahle/Delphi, Sanden, Valeo, Calsonic, and Hanon, and vehicle manufacturers worldwide. Idemitsu is #1 in global market share for PAG oils.


Idemitsu Hermetic Oil 1234yf
Idemitsu’s polyalkylene glycol (PAG) A/C compressor oil is used by leading automotive compressor OEMs and automotive manufacturers worldwide, and its share is #1 in the world.

Idemitsu Hermetic Oil 134a
Idemitsu’s polyalkylene glycol (PAG) A/C compressor oil is used by leading automotive compressor OEMs and automotive manufacturers worldwide, and its share is #1 in the world.

Industry-Leading Quality
Autoclave test is designed to expose the lubricant/refrigerant mixture to an environment that is similar to the operating condition of the automotive A/C system. The addition of catalysts and water create conditions that test the thermal and chemical stability of the lubricant.
PAG designed for R134a cannot be used with R1234yf
Idemitsu Hermetic Oil 1234yf can be used with R134a
Idemitsu Hermetic Oil 1234yf is even better than the market PAG for R1234yf
Industry-Leading Quality
Engineered for excellence, Idemitsu PAG oils are acclaimed by major automotive compressor manufacturers and OEMs globally. Leading the market with PAG oils designed for superior performance, our products ensure optimal compatibility and longevity for your A/C system.

Developed by the leader for the leaders
Designed for All Imported and Domestic Vehicle A/C Systems Using R1234yf or R134a
Extends compressor life and the life of the A/C system
Protects A/C systems at extreme temperatures
Provides stable operation under severe environmental conditions
90% of the global estimated market share for O.E. Factory Fill
The Right Oil for the Right System
Connect with our experts.
For guidance on the best PAG oil for your vehicle, contact our technical sales team. Ensure your A/C system's longevity and performance with Idemitsu.
