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Zeith Onyx Superior 20W40 API SL

Zeith Onyx Superior 20W50 API SL

Zeith Onyx Superior 20W50 API SL

Zeith Onyx Superior SL series are formulated with high quality base stocks and balanced additive system to provide high level of engine protection and performance. It works harder than other conventional motor oils by continuously preventing dirt and sludge build-up and reduces engine noise. This product meets the requirements of most car manufacturers and is suitable for standard services.  

Features & Benefits:

  • Superior protection against viscosity and thermal breakdown.
  • Good engine cleanliness, due to improved detergency and dispersancy.
  • Superior sludge protection for greater engine reliability.
  • Good wear protection and improved resistance to oxidation.
  • Easier cold starting compared to mono-grade engine oils.


Zeith Onyx Superior is suitable for use in following:

  • Automotive gasoline and diesel engines.
  • Passenger cars, SUVs, light trucks and vans.
  • Moderate duty LPG vehicles.
  • Naturally aspirated or turbo-charged indirect injection diesel engines.


Specifications Zeith Onyx Superior meets or exceeds the following International and Builder specifications:

  • •API SJ,SG, SF, CF, CD
  • ACEA A2/B2

Typical Characteristics

Zeith Onyx SuperiorTest MethodUnits20W-4020W-50
Density @ 15 0CASTM D 4052gm/cc0.8880.890
Viscosity @ 100 0CASTM D 445cSt14.3020.40
Viscosity @ 40 0CASTM D 445cSt107175
Viscosity IndexASTM D 2270137136
Pour PointASTM D 97°C-30-30
Flash Point (COC)ASTM D 92°C230236
Total Base NumberASTM D 2896mg KOH/g6.26.2
PhosphorousASTM D 4951%wt0.0790.079
CCS ViscosityASTM D 5293cP6020 @ -15 °C6060 @ -15 °C

The above figures are typical of blends with normal production tolerance and do not constitute a specification.