Idemitsu 30040099-75000C020 ATF Type HP Automatic Transmission Fluid (1 Quart), 32 Ounces



  • Formulated to meet the specific requirements of Subaru vehicles equipped with conventional (non-CVT) transmissions up to the model year 2005
  • Recommended for service-fill in all Subaru automatic transmissions where SUBARU ATF HP is specified

Fuel economy demands and more sophisticated electronic controls have made automatic transmissions not only more complex but also unique to each vehicle manufacturer. Long gone are the days of having just a couple of choices of automatic transmission fluid type. Idemitsu is the factory fill Automatic Transmission Fluid (ATF) supplier to most Asian imports. Idemitsu application-specific ATF products match the exact friction materials and performance requirements of each different vehicle model for which they are made.


  • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
  • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
  • Provides superior cleanliness, maintaining the transmission free of sludge and varnish deposits
  • Advanced anti-wear technology provides maximum protection to gears and bearings
  • Excellent seal compatibility and conditioning reduces the risk of fluid leaks due to seal shrinkage, hardening, and cracking
  • Please refer to the Application Guide in the Technical Specification section of this page for more compatibility information


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