FOSSER Premium PSA 5W-30


1 litre, 4 litre, 5 litre, 20 litre, 60 litre, 208 litre


FOSSER Premium PSA is a synthetic high-performance low-friction oil for petrol and diesel engines in passenger cars. It is a low-SAP product with reduced low sulphur, ash and phosphorus content. Base oils produced with the latest synthesis technology and carefully chosen innovative high-performance additives help to reduce the sulphated ash content and guarantee reliable wear protection and keep the engine clean. The oil also significantly lowers fuel consumption. Excellent cold start behaviour ensures optimum lubrication safety during the cold start phase. The product provides reliable protection under extreme conditions and high temperatures. FOSSER Premium PSA is the ideal product for all operating conditions. As it reduces the emission of hazardous substances, it helps to protect the environment.

FOSSER Premium PSA has been developed for petrol and diesel engines with our without particle filters (DPFs) and can also be used in gas-fuelled cars (CNG/LPG). FOSSER Premium PSA prolongs the service life of exhaust gas aftertreatment systems and enhances their performance.


  • ACEA A5/B5/C2


  • PSA B71 2290
  • FIAT 9.55535-S1
  • Honda, where required
  • Mitsubishi, where required
  • Subaru, where required
  • Toyota, where required

* meets the requirements of the OEM manufacturer

SAE class DIN 51 511 - 5W-30
Density at 15°C DIN 51 757 g/cm3 0.854
Viscosity at -30°C DIN 51 377 mPa s 6100
Viscosity at 40°C DIN 51 562 mm2/s 63.5
Viscosity at 100°C DIN 51 562 mm2/s 10.6
Viscosity index (VI) DIN ISO 2909 - 157
COC flash point DIN ISO 2592 °C 234
Pour point DIN ISO 3016 °C -36
Total base number DIN ISO 3771 mgKOH/g 0.69
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The above values may vary within commercially accepted tolerances

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