Idemitsu technology products
At Idemitsu Kosan, we are committed to product development and technical support that contributes to solving customers' lubricant-related issues and problems. We will introduce products that utilize the lubricant technology that we have cultivated to support technological innovation for our customers and society as a whole.
"Until the possibilities of technology become limitless with idemitsu's TRIBOLOGY."
We will continue to create oils that accurately meet the needs of our customers.
mobility solutions

idemitsu E AXLE FLUID sereis
Oil that lubricates and cools EV/HEV motors, gears, and electronic components. A special oil series for E-Axles used in EVs and HEVs. "E AXLE and Electric Parts Cooling Oil" further cools electronic parts with oil, contributing to the simplification of cooling circuits.
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idemitsu brand motor oil
Idemitu brand motor oils are carefully designed to not only protect your engine, but also to make driving a pleasure.
*In Japan, some products are sold via EC. The link will take you to an English site.
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HERMETIC OIL SERIES
Air conditioner oil that balances comfort and the environment.
Lubricating oil for the refrigerant gas compressor, which is sealed together with the refrigerant in the air conditioner system.
This oil is ideal for air conditioners with environmentally friendly refrigerants, contributing to the creation of an environment that is kind to both people and the earth.
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idemitsu AshFree
The industry's first phosphorus-free, ash-free diesel engine oil that does not clog the DPF installed in diesel engines.
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industry solutions

versital force
A multi-purpose oil that improves gear efficiency.
Patented technology improves tooth surface protection and gear efficiency, contributing to increased productivity and reduced CO2 emissions.
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super hydro st
Hydraulic fluid that reduces friction and resistance in three areas: hydraulic pumps, valves/pipes, and actuators, contributing to long-term stable operation and reduction of CO2 emissions.
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Alphacool NV series
Water-soluble cutting oil that reduces the amount of replenishment.
By extending the spoilage life and reducing the amount taken away, it is possible to significantly reduce the amount of replenishment.
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Super coat RS
A rust-preventing oil that has both high-level water displacement and rust-preventing properties, greatly reducing rework processes.
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High temp oil G series
A high flash point heat treated oil that simultaneously reduces quenching distortion and shortens carburizing time.
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life solution

HERMETIC OIL SERIES
Air conditioner oil that balances comfort and the environment.
Lubricating oil for the refrigerant gas compressor, which is sealed together with the refrigerant in the air conditioner system.
This oil is ideal for air conditioners with environmentally friendly refrigerants, contributing to the creation of an environment that is kind to both people and the earth.
Sales base

Process oil PW380
A high-viscosity, highly refined rubber stock oil used in rubber products that require stability, such as automobile interior parts and syringes.
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