Castrol EDGE 0W-40 A3/B4 is a fully synthetic engine oil designed for modern passenger cars. It delivers exceptional wear protection and keeps the engine clean even under extreme conditions.
Fully synthetic formulation for maximum engine performance and long life – reduces friction and wear
Outstanding protection against deposits and sludge formation – extends oil change intervals and ensures consistent efficiency
Stable viscosity at high temperatures – guarantees reliable lubrication even under heavy load
Optimised for petrol and diesel engines – suitable for a wide range of vehicles
What sets Castrol EDGE apart
Castrol EDGE uses advanced Fluid-Titanium technology that strengthens the oil film and protects the engine from performance loss. Compared to conventional oils, it offers up to 50% higher pressure resistance. Note: the product name indicates 0W-40, but the technical data shows SAE 0W-30; please check your vehicle's specifications.
Ideal for...
This oil is especially suitable for drivers who value maximum engine performance and longevity. It is ideal for modern passenger cars with petrol or diesel engines requiring a high-performance oil of specification A3/B4. Suitable for city traffic, motorway, and sporty driving.
How to use Castrol EDGE
Fill oil according to manufacturer's instructions. Before changing oil, bring the engine to operating temperature to ensure complete drainage. After refilling, check oil level with the dipstick. Store in a cool, dry place away from moisture.
Castrol is a world-leading manufacturer of lubricants and oils. Founded in 1899, the company is headquartered in the UK. Castrol products are distinguished by innovative technologies such as Fluid-Titanium and are used in many vehicles and industrial applications.
Castrol EDGE 0W-40 A3/B4 is a fully synthetic high-performance engine oil for passenger cars. It is specifically designed for engines requiring an A3/B4 specification.
It is suitable for petrol and diesel engines in passenger cars requiring an A3/B4 specification and SAE 0W-30 or 0W-40 viscosity class. Please check manufacturer recommendations.
The product name indicates SAE 0W-40, but the technical data shows SAE 0W-30. We recommend consulting the vehicle manufacturer's approvals and checking the information on the bottle.
The bottle contains 1 litre of engine oil.
Store the oil in a cool, dry place away from direct sunlight. Ensure the cap is tightly closed to prevent contamination.
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