GP PETROGEN PREMIUM 20W50 API SM  is multi grade engine oil that provides superior engine protection suitable for today’s multi-valve and conventional engines.It provides optimum protection against sludge formation

It provides good wear protection at low temperatures combining easy low temperature engine start up and fast oil circulation at cold start up when the engine is at its most critical.

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GP PETROGEN PREMIUM 20W50 SM meets and exceeds the requirements of the following specifications:

  • API Service Category SM
  • ACEA A3/B3-96
  • ILSAC GF-4
  • MIL-L-46152E
  • MIL-L-2104D


  • Ultimate engine protection at all driving conditions
  • Prolongs engine life
  • Exceptional engine cleanliness – protects against engine sludge and varnish deposits
  • Resists viscosity and thermal breakdown even in severe service
  • Very high shear stability – stay in grade
  • Superior cold engine starting – minimize friction and wear at start-up
Sr. No Characteristics
1 Appearance B & C
2 Color L 3.0
3 Density @ 15 C, g/ml 0.886
4 Viscosity @ 40 C, cSt 161.82
5 Viscosity @ 100 C, cSt 18.84
6 Viscosity Index 132
7 TBN, mg KOH/gm 7.2
8 Flash Point, COC, C 238
9 Pour Point, C -30
10 CCS Viscosity (mPa•s) 8926

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