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Packaging Options: 4L 200L
Fully Synthetic
10W-40
API SP
Tuopulan 10W-40 Fully Synthetic Engine Oil is engineered to deliver reliable protection, stable performance, and extended engine life for modern gasoline and diesel engines. As a professional fully synthetic engine oil manufacturer and supplier, Tuopulan combines advanced base oils with a high-performance additive system to meet the latest API SP standard, ensuring excellent protection under both daily and demanding driving conditions.
Superior Engine Protection
Advanced anti-wear additives effectively reduce friction between engine components, protecting pistons, camshafts, and bearings even under high load and high temperature.
API SP Certified Performance
Meets the latest API SP specification, providing enhanced protection against LSPI, timing chain wear, sludge formation, and oxidation—ideal for modern engine designs.
High-Temperature Stability
10W-40 viscosity maintains strong oil film strength in high-temperature environments, ensuring consistent lubrication during long-distance driving or heavy-duty use.
Smooth Cold Start Performance
Flows efficiently at lower temperatures, helping engines start smoothly and reducing wear during cold starts.
Extended Engine Life
Excellent oxidation resistance and detergent performance keep engines cleaner, reduce carbon deposits, and support longer engine service life.
All-Season Reliability
Designed for year-round use, offering stable protection in both hot climates and moderate cold conditions.
Fully synthetic base oil for improved thermal stability
Enhanced detergent and dispersant system to prevent sludge and deposits
Strong shear stability for consistent viscosity retention
Anti-corrosion and anti-foam technology for long-term engine cleanliness
Compatible with emission control systems and catalytic converters
Passenger cars and light commercial vehicles
Gasoline and diesel engines requiring API SP engine oil
City driving with frequent stop-and-go conditions
Highway and long-distance driving
Vehicles operating under high temperature or heavy load
Always refer to the vehicle manufacturer’s recommendations for viscosity and specifications.
Vs. Mineral Oils: Better oxidation resistance, cleaner engine operation, and longer oil change intervals
Vs. Semi-Synthetic Oils: Improved wear protection, stronger high-temperature performance, and enhanced durability
Vs. Lower-Spec Oils: API SP compliance ensures protection for modern engine technologies
Tuopulan is a professional fully synthetic engine oil manufacturer and supplier, providing stable quality, strict production control, and reliable supply for global markets. Our products are developed to meet international standards and are suitable for distributors, wholesalers, and OEM partners.
Is 10W-40 suitable for my vehicle?
10W-40 is widely used in many gasoline and diesel engines. Always follow your vehicle manufacturer’s oil viscosity recommendation.
What does API SP mean?
API SP is the latest engine oil performance standard, offering improved protection against wear, deposits, oxidation, and low-speed pre-ignition.
Can this oil be used in hot climates?
Yes. 10W-40 provides excellent high-temperature stability, making it suitable for warm and demanding driving environments.
How often should the oil be changed?
Oil change intervals depend on driving conditions. Typically recommended every 5,000–10,000 km, following manufacturer guidelines.
Do you support bulk supply or OEM cooperation?
Yes. As a manufacturer and supplier, Tuopulan supports bulk orders, private labeling, and long-term cooperation.
Choose Tuopulan 10W-40 Fully Synthetic Engine Oil – API SP Engine Oil for reliable protection, stable performance, and long engine life.
For product inquiries, bulk purchasing, or OEM cooperation, please contact our sales team for professional support and customized solutions.