Choosing the right engine oil isn't a minor detail — it's a decision that directly protects your engine and can save you costly repairs. With so many grades, types and specifications available, the choice can feel overwhelming. This guide breaks it down into clear, simple steps.

1. Start With Your Owner's Manual

The first — and most important — reference is your vehicle's owner's manual. The manufacturer specifies exactly which viscosity grade (e.g. 5W-30) and standard (API/ACEA) your engine needs. Using the wrong oil can damage the engine or void the warranty. If you don't have the manual, a trusted service centre can help.

2. Understand the Viscosity Grade (e.g. 5W-30)

The viscosity grade describes how the oil flows at different temperatures:

  • Number before W (e.g. 5W): Cold-start performance — lower means better flow in cold weather.
  • Number after W (e.g. 30): Stability at high operating temperatures.

In the hot climate of Syria and the Middle East, high-temperature stability is crucial — but always follow the manufacturer's recommendation rather than guessing.

3. Choose the Oil Type: Synthetic or Mineral?

  • Full Synthetic: Higher performance and protection, better stability in heat, longer drain intervals — best for modern engines.
  • Semi-Synthetic: A balance between performance and cost.
  • Mineral: Economical, suitable for older engines.

4. Check the Specifications (API & ACEA)

  • API (American Petroleum Institute): e.g. API SP for modern petrol engines.
  • ACEA (European Automobile Manufacturers): e.g. ACEA C3, critical for European engines and emissions systems.

Make sure the bottle carries the specification your owner's manual requires.

5. Consider Your Driving Conditions

Stop-start city traffic, extreme heat, dusty roads and short trips (all common in Syria) count as "severe conditions" — they accelerate oil degradation and may require shorter drain intervals or a higher-grade oil.

The Bottom Line

Choosing the right oil = correct viscosity + right type + required specification. The investment in quality oil is far cheaper than repairing a worn engine.

ALHAZEM offers a complete range of engine oils in all key grades, fully API and ACEA compliant. Contact us to find the right oil for your vehicle.