China Longhai CJ-4 Synthetic Diesel Oil - Premium Performance from Top Suppliers & Factory for Modern Diesel Engines
Key Benefits & Features
- Synthetic technology ensures superior oil film strength, minimizing metal-to-metal contact and preventing wear under extreme operating conditions
- Advanced anti-wear additives provide critical component protection (turbochargers, pistons, bearings) even under heavy loads
- Specialized friction modifiers reduce energy loss while maintaining protective oil film integrity
- Exceptional thermal and oxidation stability prevents oil breakdown in high-heat environments
- Powerful detergency controls deposits and soot accumulation to maintain engine cleanliness
- Resists viscosity breakdown in turbocharged applications, ensuring continuous protection
- Superior cold-flow properties enable quick cold starts and instant lubrication in freezing conditions
- Maintains stable viscosity across wide temperature ranges for consistent protection
- Excellent pour point characteristics for reliable operation in arctic conditions
- Fully compliant with API CJ-4 and ACEA E7-12 specifications
- Compatible with DPFs (Diesel Particulate Filters) and other aftertreatment systems to help reduce emissions
- Low SAPS (Sulfated Ash, Phosphorus, Sulfur) formulation protects emission control systems
- Enhanced TBN (Total Base Number) retention effectively neutralizes acids for extended service life
- Reduces maintenance costs while maintaining peak engine performance
- Advanced additive package resists depletion for longer-lasting protection
Technical Specifications
Recommended Applications
Why Choose Longhai API CJ-4 Synthetic?
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Frequently Asked Questions (FAQ)
It provides ultimate engine wear protection under extreme conditions, exceptional thermal stability in high-heat environments, excellent cold-flow properties for quick starts, and helps extend drain intervals to lower overall maintenance costs.
Yes, our formulation is low SAPS (Sulfated Ash, Phosphorus, and Sulfur), making it fully compatible with DPFs and other modern exhaust aftertreatment systems to reduce emissions.
Longhai API CJ-4 Synthetic oil is available in 15W-40 and 10W-30 viscosity grades to suit different operating climates and heavy-duty requirements.
Yes, it is fully compliant with API CJ-4 and ACEA E7-12 standards, helping modern diesel engines comply with strict Euro VI and EPA 2010 emissions regulations.
Absolutely. The advanced synthetic technology offers high resistance to viscosity breakdown and prevents deposit build-ups in high-performance turbocharged diesel engines.
It features enhanced Total Base Number (TBN) retention, which effectively neutralizes acids and prevents oil breakdown over longer periods, allowing for extended service life without compromising protection.