Master Plus 350 is a high performance engine oil. It is a blend of superior quality Group-II base stock and high performance additives. Master Plus 350 has detergents, anti-wear, anti-oxidation additives that help it perform under the most severe conditions. It has super stable viscosity index improver that does not shear off under severe operating conditions of high load and elevated temperatures.



Master Plus 350 is a very high quality diesel engine oil developed for use in the most severe diesel engine applications of high speed, high load conditions, off or on highway and when burning diesel fuels of different quality. It is recommended for almost all types of diesel engines, whether supercharged, turbocharged or naturally aspirated. Suitable for commercial road transport, trucks, buses, tractors, generator sets and marine diesel engines where API CF-4 crankcase oils are recommended.


  • Excellent chemical stability to protect against lacquer and hard carbon deposits
  • Superior wear control protection against bore polish, cam tappets and bearing wear in highly stressed engines
  • Provides unique qualities required to meet the vigorous and most severe service conditions in diesel engines with excellent oxidation stability


Typical Data


Master Plus 350

SAE Rating    


API Performance       


Physical Characteristics


Test Method

Typical Value

Kinematic Viscosity @ 100 °C (cSt)

ASTM D- 445


Viscosity Index

ASTM D- 2270


Flash Point (COC) °C

ASTM D- 92


Sulphated Ash, % wt.

ASTM D- 874


TBN mg KOH/g

ASTM D-2896


Pour Point °C





04 Ltr – 08 Ltr – 10 Ltr – 105 Ltr – 205 Ltr

News & Events

New Product Launch

The newly designed packing for MASTER XTRA 4T MCO is due to be launched by the end of 2013.
New products of the highest quality are currently in the development stage, which shall be a part of MASTER OIL'S product line in the coming year.


New Product Launch and New TV Commercial

The New Imported MASTER XTRA 4T-MCO is due to be launched in March 2013 along with its much awaited TV commercial.


Ramadan Cricket Tournament 2010

After the successful Ramadan night tape ball cricket tournament organized by Master Oil in 2009, where 24 teams participated, Master Oil came back with a bigger tournament in 2010 with 32 teams from all over Karachi.


Ramadan Cricket Tournament 2011

Master Oil Ramadan night cricket tournament had become the biggest tape ball night cricket tournament in terms of popularity amongst the public in 2011.National Players like NASIR JAMSHED, SARFARAZ AHMED AND RAZA HASAN also participated.