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For operators seeking to maximize the performance and longevity of their turbocharged engines, selecting premium Dongfeng truck parts is a strategic decision. The Intercooler, with the specific OEM number 1119010-H01111E, is an indispensable component in the forced induction system of modern diesel trucks. This genuine DONGFENG part is engineered to cool compressed intake air from the turbocharger, significantly increasing air density for more efficient combustion. By precisely reducing intake air temperature, the 1119010-H01111E directly enhances engine power, improves fuel economy, and reduces harmful emissions. This introduction establishes the critical role of the 1119010-H01111E in optimizing your truck’s performance and operational efficiency.
Intercooler
Интеркулер
The DONGFENG Intercooler, part number 1119010-H01111E, is an air-to-air heat exchanger positioned between the turbocharger and the engine’s intake manifold. When a turbocharger compresses air, its temperature rises significantly. The primary function of the 1119010-H01111E is to cool this hot, dense air before it enters the combustion chambers. Cooling the intake air increases its density, allowing more oxygen molecules to be packed into each cylinder during the intake stroke.
This process is fundamental for modern turbo-diesel engines. A more oxygen-rich charge leads to more complete and powerful combustion. Therefore, the 1119010-H01111E is not an optional accessory but a critical component that directly translates turbocharger effort into usable engine power and torque, while also safeguarding engine components from excessive thermal stress.
The 1119010-H01111E is engineered with a high-efficiency bar-and-plate or tube-and-fin aluminum core. This design offers an optimal balance between heat transfer capability, structural strength to withstand boost pressure, and minimal airflow restriction. The internal tubes are designed to create turbulent airflow, maximizing the contact time between the hot air and the cooler walls of the intercooler.
The end tanks are precision-cast or fabricated to ensure even air distribution across the entire core. Robust mounting brackets are integrated for secure installation in the vehicle’s front-end cooling package. The inlet and outlet ports are sized and positioned to match the OEM turbocharger and intake hose configurations, ensuring a perfect, leak-free fit for the 1119010-H01111E unit.
Detailed specifications for the genuine DONGFENG Intercooler (1119010-H01111E) are provided below.
| Parameter | Specification / Value |
|---|---|
| OEM Part Number | 1119010-H01111E |
| Product Name | Intercooler |
| Brand | DONGFENG |
| Core Type | Bar-and-Plate Aluminum |
| Cooling Method | Air-to-Air |
| Core Dimensions (L x H x D) | Optimized for Vehicle Application |
| Inlet/Outlet Diameter | OEM Standard Size |
| Maximum Pressure Rating | High-Pressure (Suitable for Turbo Boost) |
| Compatible Refrigerant Type | N/A (Air-to-Air System) |
| Compatible Truck Models | Specific DONGFENG Turbocharged Models |
The technical data for the 1119010-H01111E confirms its design as a high-performance, heavy-duty intercooler. The aluminum construction ensures excellent heat dissipation while maintaining the structural integrity required for sustained high-boost operation.
Increased Engine Power & Torque: The 1119010-H01111E enables a denser air charge, which allows for more fuel to be burned efficiently per combustion cycle. This results in a measurable increase in horsepower and torque, particularly in the mid to high RPM range, improving acceleration and hill-climbing ability.
Enhanced Fuel Economy: More efficient combustion means the engine can produce the same power with less fuel. By lowering intake air temperature, the 1119010-H01111E helps reduce fuel consumption, offering significant operational cost savings over the vehicle’s lifetime.
Reduced Emissions & Engine Knock: Cooler intake air lowers peak combustion temperatures, which directly reduces the formation of nitrogen oxides (NOx). It also minimizes the risk of engine knock (detonation), allowing for more optimal ignition timing and protecting internal engine components.
Improved Turbocharger Longevity: An efficient intercooler like the 1119010-H01111E reduces the thermal load on the entire intake system, including the turbocharger. This can help extend the service life of the turbo bearings and seals by preventing excessive heat soak.
The 1119010-H01111E Intercooler is designed for specific DONGFENG truck models equipped with turbocharged diesel engines. These are commonly found in series such as the Tianlong, KL, and KR, used extensively in long-haul freight, construction, and heavy logistics. It is not a universal part; its dimensions, port configuration, and mounting points are precisely tailored for a direct fit in designated vehicles.
Before purchase, verifying compatibility using the Vehicle Identification Number (VIN) is essential. Using the correct intercooler, like the 1119010-H01111E, ensures optimal airflow, pressure drop characteristics, and cooling efficiency as intended by the vehicle’s original design.
Replacing an intercooler is a technical procedure. Installation of the 1119010-H01111E typically involves removing the front grille or other aerodynamic panels for access. The charge air pipes connecting the turbocharger and intake manifold to the old intercooler are loosened, and the unit is unbolted from its mounting points.
The new 1119010-H01111E is then positioned, ensuring all mounting brackets align. It is critical to inspect and replace any worn or damaged hose clamps, rubber couplers, or O-rings during installation to prevent boost pressure leaks. All connections must be tightened securely. A post-installation check for leaks (a boost leak test) is highly recommended to ensure system integrity and performance.
Each 1119010-H01111E intercooler undergoes rigorous quality control testing. This includes pressure cycle testing to simulate years of boost pressure fluctuations, burst pressure testing to verify a high safety margin, and vibration testing to ensure the core and brackets can endure road-induced stresses.
Leak testing is performed on 100% of units. Thermal efficiency is validated against design specifications to ensure the core provides the required cooling performance. This stringent validation guarantees the 1119010-H01111E is a reliable component built for the demanding environment of a commercial truck engine bay.
Routine maintenance of the 1119010-H01111E is straightforward. The external fins should be kept clean of bugs, mud, and debris, which can insulate the core and drastically reduce its cooling efficiency. Use low-pressure air or water from the engine side to gently clean the fins during regular service intervals.
Signs of a failing intercooler include a noticeable loss of power, excessive black smoke from the exhaust (indicating rich combustion), oily residue in the intake pipes (suggesting a internal oil leak from the turbo), or visible physical damage from road debris. If the 1119010-H01111E is damaged or internally clogged, replacement is necessary to restore engine performance and prevent potential issues.
Choosing the genuine 1119010-H01111E over an aftermarket alternative provides significant advantages. OEM parts guarantee perfect fitment, ensuring all connections and mounts align without modification. The material quality, core design, and manufacturing tolerances of the genuine part are engineered to match the specific thermal and airflow requirements of your engine.
Aftermarket intercoolers may use less efficient core designs, thinner materials, or inferior end tanks to cut costs. This can lead to higher intake air temperatures, increased pressure drop, and a greater risk of leaks or failure under high boost. For a critical performance component, the genuine 1119010-H01111E is the reliable choice that protects your engine investment.
The DONGFENG Intercooler, part number 1119010-H01111E, is a precision-engineered component that unlocks the full potential of your truck’s turbocharged engine. Its superior cooling efficiency directly translates to increased power, better fuel economy, and reduced emissions.
Investing in the genuine 1119010-H01111E ensures your vehicle operates at its designed performance level, providing long-term reliability and cost-effectiveness. For any turbocharged DONGFENG truck requiring intercooler service, specifying part number 1119010-H01111E is the definitive choice for guaranteed quality and results.
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