Log in

+31 687 535 778

Gasoline Engine Oil

Gasoline engine oil is a specialized lubricant designed for use in gasoline-powered internal combustion engines, commonly found in passenger cars, light trucks, and hybrid vehicles. The primary role of engine oil is to reduce friction, protect the engine components, and ensure smooth operation under various conditions. Gasoline engine oil also plays a critical role in cooling, cleaning, and improving the overall efficiency of the engine.
This lubricant ensures that the engine runs smoothly, reduces wear and tear, enhances fuel economy, and prevents corrosion and sludge buildup over time.

Main Functions of Gasoline Engine Oil

Gasoline engine oil performs several key functions that contribute to the effective operation of the engine:

  • Lubrication: Creates a thin film that reduces friction between moving parts such as pistons, crankshaft, and camshaft. This reduces wear, ensures smooth operation, and prevents overheating from friction.
  • Cooling: Circulates through the engine to absorb and dissipate heat generated during combustion, supporting the radiator in maintaining optimal temperature.
  • Cleaning: Acts as a detergent by trapping dirt, dust, and carbon particles. These are carried to the oil filter, preventing build-up on engine components and reducing corrosion risks.
  • Corrosion Prevention: Forms a barrier against moisture, protecting engine parts from rust and oxidation, especially in humid or fluctuating temperature environments.
  • Fuel Economy Improvement: Reduces internal friction, minimizing energy loss and improving vehicle fuel efficiency.

Classifications & Standards for Gasoline Engine Oils

Gasoline engine oils are classified based on standards that ensure engine protection, fuel economy, and environmental performance.

1. API (American Petroleum Institute) Standards

  • API SP: Latest category with enhanced protection against wear, oxidation, sludge, and LSPI (Low-Speed Pre-Ignition). Optimized for turbocharged engines.
  • API SN Plus: Focused on preventing LSPI in turbocharged engines. Common in modern vehicles.
  • API SN: Provides strong wear protection, improved fuel economy, and oxidation stability. Protects against deposit formation.
  • API SM (Older): An earlier category offering good wear and cleanliness protection but now less effective than newer SP and SN categories.

2. ILSAC (International Lubricants Standardization and Approval Committee)

  • ILSAC GF-6A: Latest standard for fuel economy, wear protection, emission compliance, and carbon build-up reduction. Used in modern passenger vehicles.
  • ILSAC GF-6B: Extension of GF-6A, designed for fuel-efficient technologies like stop-start systems and turbo engines. Provides fuel economy without compromising protection.

3. SAE Viscosity Grades

  • SAE 0W-20: Low-viscosity oil ideal for cold climates. Improves fuel economy and reduces start-up wear.
  • SAE 5W-30: Versatile grade suitable for many vehicles, offering protection across a wide temperature range.
  • SAE 10W-40: Medium-viscosity for older vehicles or warmer climates. Provides higher protection under heat.
  • SAE 20W-50: High-viscosity oil for older/high-mileage engines in hot conditions. Less fuel-efficient but excellent for durability.

Each viscosity grade ensures that oil performs optimally under specific environmental conditions, protecting engines from wear, deposits, and oxidation.

Key Benefits of Using High-Quality Gasoline Engine Oil

  • Improved Engine Performance: Reduces friction and wear for smoother operation.
  • Enhanced Fuel Efficiency: Low-viscosity oils improve flow and minimize energy loss.
  • Extended Engine Life: Lubricating and cleaning properties extend lifespan by reducing wear and preventing contaminants.
  • Protection Against Corrosion and Sludge: Prevents rust, sludge, and deposits, ensuring peak efficiency.

Gasoline engine oil plays a critical role in performance, longevity, and efficiency. By reducing friction, cooling, cleaning, preventing corrosion, and improving fuel economy, it ensures smooth operation under all conditions. API, ILSAC, and SAE standards guide the correct oil choice, ensuring optimal protection and performance. Selecting the right grade and classification—such as API SP, SN Plus, or ILSAC GF-6—delivers reliability, efficiency, and long-term durability.

Show More