Castrol EDGE 5W-40 A3/B4 Full Synthetic Engine Oil – Euro Car, 1 Quart

Unleash Maximum Performance with Advanced Full Synthetic Protection

Castrol EDGE 5W-40 A3/B4 is a premium full synthetic engine oil engineered to deliver exceptional performance for Euro-spec cars and high-output gasoline engines. Designed for drivers who demand the best in protection, responsiveness, and efficiency, this advanced formulation helps engines perform at their peak under all driving conditions.

🔧 Key Features & Benefits

• Full Synthetic Performance: Engineered with fluid strength technology to maintain oil film at extremely high pressures—delivering maximum protection where it matters most.

• Enhanced Engine Power: Reduces friction and performance loss, helping engines deliver smooth, responsive acceleration.

• Outstanding Wear Protection: Advanced formula helps minimise wear, extending engine life and maintaining long-term performance.

• Superior Thermal & Oxidation Stability: Helps resist breakdown in high temperatures, keeping your engine clean and reliable.

• Improved Fuel Efficiency: Low friction properties assist in improving fuel economy and reducing emissions.

🧪 Synthetic Specifications

• Viscosity Grade: 5W-40 – excellent cold-start flow and high-temperature protection.

• Full Synthetic Base Stocks: High performance synthetic base oils with advanced additives for strength under stress.

• Low-ash formulation: Helps protect emission systems and maintain compliance with modern Euro-spec vehicle requirements.

✔ Approvals & Standards

Castrol EDGE 5W-40 A3/B4 meets or exceeds the following specifications:

• ACEA A3/B4

• API SN/CF

• Meets or surpasses OEM OEM requirements for many European gasoline-engine vehicles

(Note: Always verify manufacturer recommendations in your owner’s manual prior to use.)

🚗 Recommended For

• High-performance Euro cars from brands such as BMW, Mercedes-Benz, Audi, Volkswagen, Porsche and others requiring 5W-40 A3/B4 quality.

• Engines under daily driving, sporty driving and highway conditions

• Vehicles needing robust protection for higher engine outputs and temperature extremes

📦 Available Sizes

• 1 Quart

• 1 Gallon

💡 Why Choose Castrol EDGE 5W-40 A3/B4?

Castrol EDGE is engineered for drivers and enthusiasts who expect peak performance and uncompromising protection. Its full synthetic technology helps reduce friction, boost power delivery and maintain engine cleanliness for a smoother, more efficient drive—mile after mile.