155789
Plain Hose
Cummins®

The 155789 Plain Hose, a component manufactured by Cummins, is designed for use in commercial trucks. This hose facilitates the transport of fluids within various systems, contributing to truck efficiency and performance ¹.

Basic Concepts of Plain Hoses

Plain hoses are flexible tubes used in automotive and industrial applications to transport fluids such as coolant, fuel, and air. They are constructed from materials that offer flexibility, durability, and resistance to the specific fluids they carry. Common materials include rubber, synthetic elastomers, and reinforced fabrics, each chosen for their unique properties to withstand pressure, temperature variations, and chemical exposure ².

Purpose of the 155789 Plain Hose in Truck Operation

This Cummins part is integral to the operation of commercial trucks. It connects various systems within the truck, enabling the transport of essential fluids. This hose is typically used in applications where flexibility and durability are required, such as in the cooling system, where it may carry coolant to and from the engine, or in fuel systems where it transports fuel from the tank to the engine.

Key Features of the 155789 Plain Hose

The 155789 Plain Hose boasts several features that enhance its performance and durability. It is constructed from high-quality materials that offer resistance to the fluids it transports, as well as to environmental factors such as temperature fluctuations and mechanical stress. Its design includes reinforced layers to prevent bursting under pressure and a smooth inner surface to ensure efficient fluid flow.

Benefits of Using the 155789 Plain Hose

Incorporating this part into truck systems offers several advantages. Its durable construction and resistance to wear and tear contribute to the overall reliability and efficiency of the truck. The hose’s ability to withstand high pressures and temperatures ensures that it can operate under demanding conditions, thereby supporting the longevity and performance of the truck.

Installation Considerations

When installing the 155789 Plain Hose, it is important to follow guidelines to ensure compatibility with the truck’s systems and to achieve a proper fit and seal. Necessary tools and steps should be employed to prevent leaks and ensure the hose can withstand operational pressures. Careful attention to these details during installation can prevent future issues and maintain system integrity.

Troubleshooting Common Issues

Common problems with plain hoses include leaks, wear, and failure due to age or exposure to harsh conditions. Troubleshooting these issues involves a systematic approach to identify the source of the problem, whether it be a faulty connection, material degradation, or external damage. Addressing these issues promptly can prevent more serious complications and maintain the efficiency of the truck’s systems.

Maintenance Tips

Regular maintenance of the 155789 Plain Hose is key to ensuring its longevity and optimal performance. This includes routine inspections for signs of wear or damage, cleaning to remove any buildup that could affect performance, and knowing when to consider replacement. Adhering to these maintenance practices can help prevent unexpected failures and contribute to the overall reliability of the truck.

Cummins: A Brief Overview

Cummins Inc. is a leader in the commercial truck industry, known for its commitment to quality and innovation in manufacturing truck components. With a broad product range that includes engines, filtration systems, and aftermarket parts, Cummins has established a reputation for excellence. The company’s dedication to advancing technology and improving efficiency in the trucking industry underscores its role as a trusted provider of high-quality components.

Compatibility of Cummins Part 155789 with Various Engine Models

The Cummins part 155789, a Plain Hose, is designed to fit seamlessly within a variety of engine models, ensuring optimal performance and reliability. This part is engineered to meet the specific needs of several Cummins engine series, providing a crucial connection in the engine’s overall system.

Compatibility with Specific Engine Models

• 6B5.9 and 6C8.3 Engines The Plain Hose part 155789 is compatible with the 6B5.9 and 6C8.3 engines, ensuring a secure and efficient connection within these models.

• K19, K38, and K50 Engines This hose is also suitable for the K19, K38, and K50 engines, where it plays a vital role in maintaining the engine’s operational integrity.

• N14 CELECT and N14 MECHANICAL Engines The part 155789 fits perfectly with both the N14 CELECT and N14 MECHANICAL engines, providing a reliable connection that supports the engine’s performance.

• NH/NT 855 Engines The Plain Hose is also compatible with the NH/NT 855 engines, ensuring that the engine operates smoothly and efficiently.

Compatibility with QSK19 Series Engines

• QSK19 CM2350 K114, QSK19 CM2350 K144G, QSK19 CM500, and QSK19 CM850 MCRS Engines The part 155789 is designed to fit the QSK19 CM2350 K114, QSK19 CM2350 K144G, QSK19 CM500, and QSK19 CM850 MCRS engines, ensuring a secure and efficient connection within these models.

• QSK50 CM2350 K108 Engine This hose is also compatible with the QSK50 CM2350 K108 engine, providing a reliable connection that supports the engine’s performance.

Compatibility with QST30 Series Engines

• QST30 CM552 Engine The Plain Hose part 155789 fits the QST30 CM552 engine, ensuring a secure and efficient connection within this model.

Compatibility with V Series Engines

• V28 and V903 Engines The part 155789 is also compatible with the V28 and V903 engines, providing a reliable connection that supports the engine’s performance.

This comprehensive compatibility ensures that the Cummins part 155789 Plain Hose is a versatile and essential component for maintaining the operational integrity of a wide range of Cummins engine models.

Role of Part 155789 Plain Hose in Various Engine Systems

Part 155789 Plain Hose is integral to the efficient operation of several engine systems. Its applications span across multiple components, ensuring seamless fluid and air transfer within the engine.

Air Management Systems

In air management systems, the Plain Hose is utilized in the Air Compressor and Air Connection points. It facilitates the transfer of compressed air from the Compressor Air Inlet to the Manifold Air Intake, ensuring a consistent air supply for combustion. Additionally, it is employed in the Air Tube arrangements to route air to various engine components, maintaining optimal air pressure and flow.

Cooling Systems

For cooling systems, the Plain Hose plays a significant role in the Coolant Inlet Tube and Water Outlet Tube. It ensures that coolant is efficiently circulated through the Water Jacket Kit and Front Water Crossover Tube, regulating engine temperature. The hose is also used in the Rear Water Crossover Tube and Tube Rear Water Crossover to maintain a uniform coolant flow, preventing hotspots and ensuring engine longevity.

Aftercooling and Plumbing

In the Aftercooler Rear Plumbing, the Plain Hose aids in cooling the compressed air before it enters the engine, enhancing efficiency and performance. It is also vital in the Kim Hotstart Plumbing and general Plumbing systems, where it ensures the proper flow of fluids and gases to and from critical engine components.

Auxiliary Systems

The Plain Hose is employed in the System Auxiliary Cooling to support additional cooling needs, ensuring that all engine components operate within their optimal temperature ranges. It is also used in the Crankcase Breather to manage pressure within the crankcase, preventing oil contamination and ensuring smooth engine operation.

Specific Applications

• EBM: Inlet, Comp Air: The hose ensures that the inlet system receives a steady supply of compressed air, vital for the efficient operation of the engine.
• Cover, Water Header: It aids in the distribution of water to the header, ensuring even cooling across the engine block.
• Supply Left Bank Tube and Supply Right Bank Tube: These applications ensure that both sides of the engine receive an equal supply of coolant, maintaining balanced temperatures.

Conclusion

In summary, Part 155789 Plain Hose is a versatile component that enhances the functionality and efficiency of various engine systems by ensuring the smooth transfer of fluids and gases. Its compatibility with a wide range of Cummins engine models and its role in critical systems make it an essential part for maintaining truck performance and reliability.