Compatible with modern petrol & diesel engines including turbocharged vehicles.
Meets API SN and ACEA A3/B4 performance specifications.

Liqui Moly Optimal Synth 5W-40 is a premium fully synthetic engine oil engineered in Germany for superior wear protection, high thermal stability, and cleaner engine performance under Indian driving conditions.

🔧 Key Specifications

• Viscosity: 5W-40

• Oil Type: Fully Synthetic

• API: SN

• ACEA: A3/B4

• Part Number: 3926

• Pack Size: 4 Litres

🚗 Key Benefits

• High shear stability for long engine life

• Excellent protection in high-temperature conditions

• Reduces sludge and harmful deposits

• Supports smoother performance & fuel efficiency

✔ Recommended Usage

Ideal for hatchbacks, sedans, and SUVs requiring 5W-40 fully synthetic oil for BS4 & BS6 petrol and diesel engines.