Wholesale Longhai CI-4 PLUS Premium Diesel Oil – Ultimate Engine Protection & Fuel Efficiency Supplier, Exporters

Longhai API CI-4 PLUS Diesel Engine Oil is formulated with premium Group III hydrocracked base oils and advanced imported additives, utilizing cutting-edge pulse blending technology to deliver exceptional performance under the most demanding operating conditions. Designed for modern high-performance diesel engines, this oil provides superior wear protection, outstanding fuel economy, and exceptional engine cleanliness.

Product Description

Key Benefits

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.

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.

Enhanced Engine Cleanliness

Powerful detergents and dispersants prevent the formation of high-temperature deposits and low-temperature sludge. Reduces harmful buildup in Exhaust Gas Recirculation (EGR) and turbocharger systems, prolonging engine lifespan.

Certified for Modern Engines – API CI-4 PLUS

Meets API CI-4 PLUS specifications, providing enhanced protection for engines equipped with EGR and aftertreatment systems. Compatible with Ultra-Low Sulfur Diesel (ULSD) and ideal for engines with DPF and SCR systems.

Ideal Applications

  • 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

Why Choose API CI-4 PLUS Diesel Engine Oil?

This 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 and downtime.

✓ Eco-Friendly Performance

Low SAPS formulation protects emissions control systems and reduces environmental impact.

✓ Reliable in All Climates

Excellent thermal stability ensures stable performance in both extreme heat and freezing cold.

Technical Specifications

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

Conclusion

For engines that demand peak performance, fuel efficiency, and long-term reliability, 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 CI-4 PLUS today and experience the difference in performance and durability!

Frequently Asked Questions

What is the advantage of API CI-4 PLUS diesel engine oil over standard CI-4?
API CI-4 PLUS oil provides enhanced protection against soot-related viscosity increase, superior shear stability, and optimal performance in engines equipped with Exhaust Gas Recirculation (EGR) systems.
Can this diesel engine oil help improve fuel economy?
Yes, the formula features optimized friction modifiers that reduce internal engine friction, helping to improve fuel efficiency by up to 5% or more under normal operating conditions.
What viscosity grades are available for this product?
The oil is available in standard viscosity grades of 15W-40, 10W-30, and 20W-50. Customized viscosity formulations can also be supplied upon request to meet specific operation requirements.
Is this oil suitable for heavy-duty machinery?
Absolutely. It is specifically formulated for heavy-duty applications, including commercial trucking fleets, construction equipment, agricultural machinery, and mining operations.
Does this oil support extended oil drain intervals?
Yes, thanks to its high Total Base Number (TBN) retention, the oil effectively neutralizes acidic byproducts of combustion, allowing for extended oil drain intervals and reduced maintenance downtime.

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