RAVENOL PSF-Y Fluid is a synthetic Special Fluid, designed on the basis of high quality hydrocrack oils with a special additive and inhibition, which ensure a perfect function of the power steering.

Due to its special formulation the properties of RAVENOL PSF-Y Fluid are crucial. We assure an excellent cold stability.

Application Note

RAVENOL PSF-Y Fluid is specially designed for use in the latest power steering of Volkswagen, Mercedes and Chrysler.Please note: Follow manufacturer’s original equipment number!


  • Extremely low pour point
  • Improved viscosity and coefficient of friction behaviour
  • A very good protection against consumption
  • Excellent thermal stability
  • Improved EP-characteristics
  • A good foaming behaviour
  • Neutral behaviour towards sealing materials
  • Reliable protection against corrosion

Technical Product Data

Density at 20 °C 849,0 kg/m³ EN ISO 12185
Colour gelb VISUELL
Viscosity at 100 °C 7,2 mm²/s DIN 51562-1
Viscosity at 40 °C 34,9 mm²/s DIN 51562-1
Viscosity Index VI 177 DIN ISO 2909
Pourpoint -51 °C DIN ISO 3016
Brookfield Viscosity at -40 °C 12800 mPa*s ASTM D2983
Flashpoint 210 °C DIN EN ISO 2592