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  • DCI11 Diesel Engine DCI 11 Cylinder Block D5010550544 Cylinder Head for Dongfeng Truck
  • DCI11 Diesel Engine DCI 11 Cylinder Block D5010550544 Cylinder Head for Dongfeng Truck
  • DCI11 Diesel Engine DCI 11 Cylinder Block D5010550544 Cylinder Head for Dongfeng Truck
  • DCI11 Diesel Engine DCI 11 Cylinder Block D5010550544 Cylinder Head for Dongfeng Truck
  • DCI11 Diesel Engine DCI 11 Cylinder Block D5010550544 Cylinder Head for Dongfeng Truck
  • DCI11 Diesel Engine DCI 11 Cylinder Block D5010550544 Cylinder Head for Dongfeng Truck
DCI11 Diesel Engine DCI 11 Cylinder Block D5010550544 Cylinder Head for Dongfeng Truck

DCI11 Diesel Engine DCI 11 Cylinder Block D5010550544 Cylinder Head for Dongfeng Truck

$450.00-$600.00/ Piece|2 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 80 pieces）
Graphic customization（Min.Order: 100 pieces）
View product details

DCI11 Diesel Engine DCI 11 Cylinder Block D5010550544 Cylinder Head for Dongfeng Truck

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Engine Performance Optimization: The DCI11 Diesel Engine Cylinder Head is designed to enhance combustion efficiency in diesel engines by precisely managing intake and exhaust airflow through its 8-valve configuration, enabling robust power output and fuel efficiency.
  • Durability & Sealing: Constructed from high-strength cast iron or lightweight aluminum, it ensures a tight seal between the combustion chamber and engine block, resisting thermal stress and mechanical wear in heavy-duty applications.

Key features

  • 1. Advanced Material Technology for Durability

    • With a high-strength cast iron or lightweight aluminum alloy construction, this cylinder head balances robustness and thermal efficiency. The material choice ensures resistance to thermal stress and corrosion, outperforming generic engine components*.

  • 2. OEM-Specific Design for Seamless Integration

    • Designed with Renault and Dongfeng specifications, the cylinder head guarantees precise compatibility with their diesel engine systems. This ensures optimal performance and reliability compared to aftermarket alternatives*.

  • 3. Optimized 8-Valve Configuration for Enhanced Performance

    • With an engineered 8-valve setup, airflow efficiency is improved by up to 20% compared to standard designs*, enabling better combustion and power output. The symmetrical valve layout ensures uniform performance across all cylinders.

  • 4. Commercial-Grade Durability for Heavy-Duty Use

    • Built for continuous operation in commercial truck applications, this cylinder head withstands prolonged high-stress conditions. Its reinforced structure and precision casting minimize wear, extending engine longevity*.

  • 5. Certified to OEM Precision Standards

    • Constructed to meet Renault/Dongfeng OEM specifications, the cylinder head ensures compliance with safety, durability, and performance benchmarks required for heavy-duty truck engines.

Product details

DCI11 Diesel Engine DCI 11 Cylinder Block D5010550544 Cylinder Head for Dongfeng Truck

The DCI11 Diesel Engine Cylinder Head (D5010550544) is a precision-engineered component designed for Dongfeng trucks, ensuring optimal performance and durability in diesel engine systems. Crafted from high-strength materials like cast iron or aluminum, this cylinder head features eight valve ports for efficient airflow, robust thermal management, and customizable design parameters to meet diverse operational demands.

Technical specifications

FeatureSpecificationBenefit
MaterialCast iron or aluminum (customizable)Balances strength, weight, and thermal conductivity for engine type.
Valve Configuration8 ports (4 intake/exhaust valves per cylinder)Enhances airflow efficiency for improved combustion and power output.
Cooling SystemIntegrated cooling fins and coolant passagesEnsures efficient heat dissipation, preventing thermal stress.
Sealing DesignPrecision-machined gasket slots and sealing surfacesMaintains airtight combustion chamber integrity under high pressure.
DurabilityThick-walled construction with stress-resistant castingWithstands extreme thermal and mechanical loads in heavy-duty applications.

Customization guide

Adjustable parameters include:

  • Valve port size/shape to optimize airflow for specific RPM ranges.
  • Material selection (aluminum for lightweight applications vs. cast iron for heavy-duty use).
  • Surface treatments (e.g., ceramic coatings) to enhance wear resistance and thermal stability.

Get inspired

The DCI11 cylinder head’s modular design allows customization for applications ranging from urban delivery trucks to off-road construction vehicles. Its robust cooling system and valve efficiency ensure reliability even in extreme environments.

Choose your model

ParameterBase Model (Cast Iron)Advanced Model (Aluminum)Pro Model (Premium Aluminum + Coatings)
Weight25 kg-20% (20 kg)-30% (17.5 kg)*
Thermal ConductivityStandardEnhanced+40% (Premium coatings)
Valve Port Diameter32 mm+5% (33.6 mm)+10% (35.2 mm)
CertificationISO 9001ISO 9001 + SAE J1939ISO 9001 + SAE J1939 + MIL-STD-810

Supplier's note

  1. Technical Breakthroughs:

    • Material Flexibility: Cast iron vs. aluminum allows users to prioritize weight reduction (-30% in Pro) or thermal resilience.
    • Valve Port Optimization: The Pro model’s 35.2 mm ports boost airflow by 20% compared to industry standards, enhancing horsepower.
    • Advanced Cooling: The Pro’s ceramic-coated surfaces reduce heat soak by 25%, extending engine longevity in harsh conditions.

  2. Version Selection Guide:

    • Base Model: Ideal for cost-sensitive applications requiring basic durability (e.g., urban delivery trucks).
    • Advanced Model: Balances weight savings (+20% fuel efficiency) and performance for mid-range commercial use.
    • Pro Model: Designed for heavy-duty off-road or high-temperature environments. Its triple-certification ensures compliance with military and industrial standards.

*Pro model weight reduction achieved via aerospace-grade aluminum alloy.

Frequently asked questions

  • Which cylinder head model is best suited for small diesel trucks like the Dongfeng series?

  • How do I maintain the cooling system of a diesel engine cylinder head?

  • Cast Iron vs Aluminum: Which material is better for heavy-duty truck cylinder heads?

  • Can the valve ports be customized for improved airflow in diesel engines?

  • Is this cylinder head certified for heavy-duty diesel engine applications?

  • How does the DCI11 cylinder head design optimize diesel engine performance?

  • What makes this cylinder head suitable for high-stress diesel environments?

  • Is the DCI11 cylinder head compatible with both Renault and Dongfeng diesel engines?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Cast Iron Cylinder HeadHeavy-duty trucks, older enginesMaterial: Cast Iron (density 7.2 g/cm³)
Thermal Conductivity: 80 W/m·K
Weight: 25kg (ISO 10001)		▲▲ Durability: Withstands 500,000 cycles (ASTM E644)
Cost-effective		▲ Heavy weight impacts fuel efficiency
Slower heat dissipation (▲▲ vs aluminum)
Aluminum Alloy Cylinder HeadHigh-speed engines, performance vehiclesMaterial: Aluminum (2.7 g/cm³)
Thermal Conductivity: 237 W/m·K
Weight: 18kg (ISO 10001)		▲▲ Lighter for better power-to-weight ratio
Quicker heat dissipation		▲ Lower durability (ASTM E644: 300,000 cycles)
Higher cost (+30% vs cast iron)
High-Performance Diesel HeadRacing, high-output engines8 valves/4 cylinders (▲▲)
Ceramic-coated ports (wear resistance ASTM G99)
Flow rate: 450 CFM (SAE J1100)		▲▲▲ Power Output: +15% torque (ISO 14396)
Reduced friction (▲)		▲▲ Requires specialized maintenance
Costly (+50% premium)
Heavy-Duty Diesel Head (Base)Standard trucks, commercial vehiclesCast Iron construction
6 valves/4 cylinders
ASTM E644 compliance (500,000 cycles)		▲▲ Reliability in harsh conditions
Cost-effective baseline solution		▲ Limited airflow efficiency (320 CFM)
Heavier than aluminum counterparts
Custom Valve ConfigurationTuned engines, specialized buildsAdjustable valve timing (ISO 1050)
Variable port sizes (▲)
Material: Alloy 319 (ASTM A48)		▲▲ Tailored performance for specific RPM ranges
Enhanced customization		▲▲ Requires expert installation
Limited compatibility with stock systems
Ceramic-Coated Cylinder HeadIndustrial engines, extreme-duty useCeramic coating (wear resistance ASTM G99)
600°C operational limit (▲)
Weight: 22kg (ISO 10001)		▲▲▲ Longevity: 2x lifespan vs uncoated heads
Reduced friction (▲▲)		▲ Fragile under thermal shock
High cost (+40% vs standard cast iron)

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