Premium SJ Grade Gasoline Engine Oil from China - Top Suppliers & Factory for Superior Protection and Performance
Key Features and Benefits
1. Advanced Engine Protection
- Reduces wear and friction: Specially formulated anti-wear additives minimize friction between engine components, protecting pistons, camshafts and bearings.
- High Temperature Stability: Maintains viscosity at extreme temperatures, preventing oil breakdown and ensuring continuous lubrication.
2. Cleaner Engine Performance
- Prevents sludge and deposits: Advanced detergents and dispersants keep engines clean by preventing the formation of harmful sludge and carbon deposits.
- Corrosion Resistance: Protects engine components from rust and corrosion, even in wet or harsh conditions.
3. Improved Fuel Efficiency
- Low friction formula: Reduces internal engine drag, helping to improve fuel economy and reduce emissions.
4. Four-Season Reliability
- Excellent cold-start performance: Smooth flow at low temperatures ensures fast engine starts in winter.
- Stable high-temperature performance: Maintains protective lubrication in hot weather or under heavy loads.
5. Broad Compatibility
- Meets API SJ standards: Suitable for a wide range of gasoline engines, including older engines requiring SH or SG oils.
- Seal-friendly formulation: Compatible with engine gaskets and seals to prevent leakage.
Technical Specifications
| API Certification | SJ |
| SAE Viscosity Grade | 10W-30, 10W-40 (other options available) |
| Base Oil Type | Highly refined mineral/synthetic oils |
| Key Additives | Antiwear (ZDDP), detergents, antioxidants, defoamers |
| Operating temperature range | -25°C to 40°C (-13°F to 104°F) |
Recommended Uses
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Frequently Asked Questions
What are the main benefits of API SJ engine oil?
API SJ engine oil provides advanced protection by reducing friction and engine wear, maintaining stability under high temperatures, preventing sludge and carbon deposits, and protecting against rust and corrosion.
What viscosity grades are available for this engine oil?
The oil is commonly available in SAE 10W-30 and 10W-40 viscosity grades, with other custom options available to suit different driving conditions and engine specifications.
What is the recommended oil change interval?
It is generally recommended to change your engine oil every 5,000 to 6,000 kilometers, or according to your vehicle manufacturer's recommended service schedule.
Can I use this oil in turbocharged engines?
Yes, our SJ engine oil is compatible with both naturally aspirated and turbocharged gasoline engines in passenger cars, SUVs, light trucks, and vans.
Is this oil suitable for older vehicles?
Yes, because it meets API SJ standards, it is highly suitable for older engines that specify SH or SG grade oils, and it contains seal-friendly additives to prevent leakage in older gaskets.