4078469
Plain Hose
Cummins®

The Cummins 4078469 Plain Hose is a critical component in commercial trucks, designed to enhance the efficiency and reliability of fluid transfer systems. Understanding its role and functionality is essential for maintaining the truck’s performance and longevity.

Basic Concepts of Plain Hoses

Plain hoses are flexible tubes used in various fluid transfer applications, constructed from materials that can withstand the pressure and temperature of the fluids they transport. In commercial trucks, plain hoses are crucial for moving fluids such as coolant, fuel, and hydraulic fluid between different parts of the vehicle. Their flexibility allows them to be routed through the truck’s chassis without rigid connections, which can be prone to failure under the stress of vibration and movement ¹.

Role and Function in Truck Operation

This Cummins part facilitates the transfer of specific fluids within the truck’s systems. Depending on its application, it may be involved in the cooling system, fuel delivery, or hydraulic systems. The hose is designed to handle the particular properties of the fluid it transports, ensuring a reliable and efficient flow that is crucial for the truck’s operation ².

Key Features

The Cummins 4078469 Plain Hose is characterized by its material composition and design features that enhance its performance. It is typically made from durable materials that resist wear, chemical degradation, and the effects of temperature extremes. The hose’s design may include reinforcements to withstand internal pressure and external stresses, as well as smooth inner walls to minimize flow resistance and maximize efficiency ³.

Benefits

The use of the Cummins 4078469 Plain Hose in truck operations offers several advantages. Its durable construction contributes to the longevity of the truck’s fluid systems, reducing the need for frequent replacements. The hose’s efficient design helps maintain system performance, ensuring that fluids are delivered where needed without loss or contamination. Reliability is also enhanced, as the hose is less likely to fail under the demanding conditions of commercial truck use ⁴.

Troubleshooting and Maintenance

Common issues with plain hoses can include leaks, cracks, and blockages. Regular inspection for signs of wear or damage is important for identifying potential problems before they lead to system failure. Maintenance practices such as checking connection points for tightness and ensuring that the hose is properly routed to avoid abrasion can help extend the hose’s service life. When troubleshooting, it is important to consider the hose’s environment and the types of fluids it carries, as these factors can influence its condition and performance.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong presence in the commercial truck industry, Cummins is known for its commitment to quality and innovation. The company’s components, including the Cummins 4078469 Plain Hose, are designed to meet the rigorous demands of commercial applications, reflecting Cummins’ dedication to providing reliable and efficient solutions for its customers.

Cummins Engine Compatibility with Part 4078469

This part is designed to fit seamlessly with a range of Cummins engines, ensuring reliable performance and efficient operation. It is engineered to meet the specific needs of the following engines:

NH/NT 855 Series

The NH/NT 855 engines are known for their robust design and high power output, making them suitable for a variety of heavy-duty applications. The Plain Hose part 4078469 is integral to maintaining the integrity of the engine’s cooling and fuel systems, ensuring optimal performance and longevity.

QSB6.7 M CM2250

The QSB6.7 M CM2250 engine is a versatile and powerful option, often used in both industrial and agricultural settings. The Plain Hose part 4078469 is crucial for this engine, providing a necessary connection in the fuel and coolant systems, which helps in maintaining the engine’s efficiency and reliability.

QSC8.3 CM850 (CM2850)

The QSC8.3 CM850 (CM2850) engines are designed for demanding applications, offering high torque and durability. The Plain Hose part 4078469 plays a vital role in these engines by ensuring that the fuel and coolant systems operate smoothly, contributing to the overall performance and lifespan of the engine.

QSM11 CM570

The QSM11 CM570 engine is a high-performance option, often utilized in applications requiring significant power and reliability. The Plain Hose part 4078469 is essential for this engine, providing a critical link in the fuel and coolant systems, which helps in maintaining the engine’s efficiency and reliability.

Each of these engines benefits from the Plain Hose part 4078469, which is designed to withstand the rigors of heavy-duty operation, ensuring that the engine systems function as intended.

Role of Part 4078469 Plain Hose in Engine Systems

This part is integral to the efficient operation of various engine components. In the context of an aftercooler system, this hose facilitates the transfer of cooled air from the aftercooler to the engine, ensuring that the air entering the combustion chamber is at an optimal temperature for performance and efficiency.

In the air crossover connection mounting, the plain hose plays a significant role by connecting different air passages. This connection is vital for balancing the air distribution across cylinders, which is essential for uniform combustion and reduced emissions.

When considering the arrangement of engine components, part 4078469 ensures seamless integration between various parts. Its flexibility and durability are key in maintaining the structural integrity of the engine’s air management system, accommodating the dynamic movements and vibrations inherent in engine operation.

In turbocharger systems, the plain hose is used to route exhaust gases or air to and from the turbocharger. This routing is essential for the turbocharger to function correctly, compressing intake air to increase engine power output.

Lastly, in a turbocharger arrangement, the hose contributes to the overall efficiency of the turbo system. It ensures that the airflow is managed effectively, reducing the risk of leaks and maintaining the pressure required for optimal turbocharger performance.

Conclusion

The Cummins 4078469 Plain Hose is a vital component in the operation of commercial trucks, offering durability, efficiency, and reliability in fluid transfer systems. Its compatibility with various Cummins engines underscores its importance in maintaining the performance and longevity of these vehicles.