PSO Lubricant Oil
PSO Lubricant Oil is a premium-quality lubrication solution developed by Pakistan State Oil (PSO) to provide outstanding engine protection, superior performance, and extended equipment life for automotive, commercial, and industrial applications. Formulated with high-quality base oils and advanced additive technology, PSO lubricants reduce friction, protect against wear, prevent corrosion, and improve fuel efficiency under demanding operating conditions.
PSO Lubricant Oil Product Names
1-Passenger Car Engine Oils
PSO Passenger Car Engine Oils are formulated with advanced lubrication technology to deliver outstanding engine protection, improved fuel efficiency, and reliable performance for modern petrol, diesel, and hybrid vehicles. Designed to reduce friction, prevent sludge buildup, and protect critical engine components, Shell engine oils help extend engine life while maintaining peak performance under both city driving and long-distance conditions.

- PSO Carient Fully Synthetic 0W-20
- PSO Carient Fully Synthetic 5W-30
- PSO Carient Fully Synthetic 5W-40
- PSO Carient Semi Synthetic 10W-40
- PSO Carient 20W-50
- PSO Carient Premium
2-Industrial Heat Transfer Oils
PSO Industrial Heat Transfer Lubricant Oil is a high-performance thermal fluid specially formulated to provide efficient heat transfer, exceptional thermal stability, and long-lasting protection in closed and open heat transfer systems. Manufactured with premium-quality base oils and advanced additive technology, it ensures consistent heat distribution, minimizes oxidation, and reduces the formation of sludge and carbon deposits, helping maintain maximum system efficiency.
- PSO Heat Transfer Oil 32
- PSO Heat Transfer Oil 46
- PSO Thermic Fluid

3-Industrial Gear Oils
PSO Industrial Gear Oils are high-performance lubricants specially formulated to protect enclosed gear systems operating under heavy loads, high pressure, and demanding industrial conditions. These oils provide excellent lubrication, reduce friction and wear, and help ensure smooth, efficient gear operation while extending the service life of equipment.

- PSO Gear Oil EP 68
- PSO Gear Oil EP 100
- PSO Gear Oil EP 150
- PSO Gear Oil EP 220
- PSO Gear Oil EP 320
- PSO Gear Oil EP 460
- PSO Gear Oil EP 680
4-Heavy Duty Diesel Engine Oils
PSO Heavy Duty Diesel Engine Oils are engineered to provide exceptional protection and performance for commercial vehicles, heavy-duty trucks, buses, construction equipment, agricultural machinery, and off-road diesel engines. Formulated with advanced additive technology, these oils help reduce engine wear, control soot, prevent harmful deposits, and extend oil drain intervals, ensuring maximum reliability even under the toughest operating conditions.
- PSO DEO Supreme 15W-40
- PSO DEO Super 20W-50
- PSO DEO Turbo
- PSO DEO Multigrade
- PSO HD Engine Oil Series

5-Compressor Oils
PSO Compressor Oil is a premium industrial lubricant specially formulated to provide reliable lubrication, superior wear protection, and long-lasting performance for air compressors operating under demanding conditions. It helps reduce friction, prevent carbon and varnish deposits, minimize oxidation, and ensure smooth compressor operation while extending equipment service life.

- PSO Compressor Oil 32
- PSO Compressor Oil 46
- PSO Compressor Oil 68
- PSO Rotary Compressor Oil
