China Longhai CJ-4 Synthetic Diesel Oil - Premium Protection from Trusted 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?
Extensive laboratory and field testing validates superior protection
Extended drain intervals reduce total cost of ownership
Keeps critical components cleaner for longer service life
Helps meet Euro VI/EPA 2010 emissions standards
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Frequently Asked Questions (FAQ)
What are the viscosity grades available for Longhai API CJ-4 synthetic oil?
Longhai API CJ-4 synthetic engine oil is available in premium 15W-40 and 10W-30 viscosity grades to suit various operational environments and climates.
Is this synthetic oil compatible with modern exhaust aftertreatment systems?
Yes, it is fully compatible with Diesel Particulate Filters (DPFs), Diesel Oxidation Catalysts (DOCs), and other modern emissions systems thanks to its specialized Low SAPS formulation.
Can Longhai API CJ-4 extend oil drain intervals?
Absolutely. The oil features enhanced Total Base Number (TBN) retention that effectively neutralizes acids and prevents oil breakdown, allowing for extended drain intervals and lower maintenance costs.
What specifications and approvals does this oil meet?
It is fully compliant with API CJ-4 and ACEA E7-12 specifications. It also meets major OEM manufacturer requirements for heavy-duty diesel engines.
What types of equipment are recommended for this engine oil?
It is ideal for modern diesel engines with exhaust aftertreatment, heavy-duty commercial truck fleets, high-performance turbocharged engines, as well as construction, mining, and long-haul transport vehicles.