Longhai CI-4 PLUS Premium Diesel Oil – Ultimate Engine Protection & Fuel Efficiency

✅ Advanced Wear Protection & Fuel Savings
- Enriched with extreme-pressure anti-wear additives*to significantly reduce engine wear, even under heavy loads.
- Improves fuel efficiency by 5% or more, lowering operational costs while reducing environmental impact.
- Optimized friction modifiers minimize energy loss, ensuring smoother engine operation and extended component life.

✅ Exceptional High-Temperature Performance
- Superior low-temperature fluidity ensures quick cold starts and instant lubrication in freezing conditions.
- High-temperature shear stability maintains consistent oil pressure, protecting turbocharged and multi-valve engines under extreme heat.
- Resists thermal breakdown and oxidation, extending oil life and reducing sludge formation in high-stress applications.

✅ Enhanced Engine Cleanliness
- Powerful detergents and dispersants prevent the formation of high-temperature deposits and low-temperature sludge, keeping critical engine components clean for optimal performance.
- Reduces harmful buildup in Exhaust Gas Recirculation (EGR) and turbocharger systems, prolonging engine lifespan.
- Maintains piston cleanliness, preventing ring sticking and maintaining compression efficiency.

✅ Certified for Modern Engines – API CI-4 PLUS
- Meets API CI-4 PLUS specifications, providing enhanced protection for engines equipped with Exhaust Gas Recirculation (EGR) and aftertreatment systems.
- Compatible with Ultra-Low Sulfur Diesel (ULSD), helping meet stringent emissions standards (EPA, Euro VI).
- Ideal for engines with Diesel Particulate Filters (DPF) and Selective Catalytic Reduction (SCR), ensuring compliance with environmental regulations.

✔ High-performance turbocharged diesel engines

✔ Heavy-duty trucks and commercial fleets

✔ Construction and agricultural machinery

✔ Mining and industrial equipment

✔ Long-haul transportation and off-road vehicles

Longhai’s advanced formula is engineered for maximum durability, efficiency, and protection, making it the ideal choice for modern diesel engines operating under extreme conditions.

✔ Extended Drain Intervals – High TBN (Total Base Number) resists acid formation, allowing for longer oil change cycles.

✔ Reduced Maintenance Costs – Minimizes engine wear and deposit buildup, lowering repair frequency.

✔ Eco-Friendly Performance – Low SAPS (Sulfated Ash, Phosphorus, Sulfur) formulation protects emissions control systems.

✔ Reliable in All Climates – Excellent thermal stability ensures performance in both extreme heat and cold.

- Viscosity Grades: 15W-40, 10W-30, 20W-50 (available upon request)

- API Classification: CI-4 PLUS

- ACEA Specifications: E7, E9

- OEM Approvals: Meets or exceeds requirements for major diesel engine manufacturers

For engines that demand peak performance, fuel efficiency, and long-term reliability, Longhai API CI-4 PLUS Diesel Engine Oil is the ultimate solution. Whether you operate a heavy-duty truck fleet, construction equipment, or agricultural machinery, this oil ensures optimal protection and cost-effective operation.

Upgrade to Longhai CI-4 PLUS today and experience the difference in performance and durability!