Castrol EDGE 5W-40 A3/B4 Full Synthetic Engine Oil 4 Litre

Castrol EDGE 5W-40 A3/B4 Full Synthetic Engine Oil 4 Litre is a full synthetic motor oil designed for modern petrol and diesel engines where the manufacturer specifies a 5W-40 viscosity and ACEA A3/B4 quality requirements. It is formulated with advanced synthetic base stocks and additive technologies to provide consistent engine lubrication and protection throughout the oil change interval. 

Viscosity & Industry Specifications

SpecificationDetailViscosity GradeSAE 5W-40Oil TypeFull SyntheticVolume4 LitresIndustry StandardsACEA A3/B4, API SP/SN

This oil meets key industry classifications, making it suitable for a wide range of vehicles that require API SP/SN and ACEA A3/B4 performance levels. 

Performance & Protection

Castrol EDGE 5W-40 is engineered to provide stable viscosity control under both low and high temperatures. It supports better resistance to oxidation and thermal breakdown compared with conventional oils, helping maintain engine performance and cleanliness. 

• Improves engine protection by reducing friction and wear during start-up and normal operation.
• Helps minimize deposit and sludge formation to support internal engine cleanliness.
• Suitable for engines operating under varied driving conditions and temperatures. 

Typical Applications

This 5W-40 oil is suitable for gasoline and diesel engines that specify ACEA A3/B4 and API SP/SN performance. Always check your vehicle manufacturer’s owner manual to confirm the correct oil grade and specifications before use.

Usage & Handling

• Verify the recommended oil grade and specifications from the vehicle manual before adding this oil.
• Follow scheduled oil change intervals as outlined by your vehicle manufacturer.
• Recycle used engine oil at authorized recycling centers to help protect the environment.