4009437
Plain Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$104.95 $124.89

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 4009437 Plain Hose is a component designed for use in commercial truck systems. It serves as a conduit for fluid transfer, ensuring the efficient operation of various truck systems. This hose is integral to maintaining the functionality and performance of the truck’s infrastructure.

Basic Concepts of Plain Hoses

Plain hoses are flexible tubes used in fluid transfer systems. They are designed to transport liquids or gases between different components within a system. In the context of a truck’s infrastructure, plain hoses facilitate the movement of fluids such as coolant, fuel, or hydraulic fluid. They operate by providing a flexible connection that can withstand the pressures and temperatures associated with these fluids, ensuring a reliable transfer without leakage 1.

Purpose of the Cummins 4009437 Plain Hose

The Cummins 4009437 Plain Hose plays a specific role in the operation of a truck. It connects various systems within the truck, transporting essential fluids that are critical for the truck’s performance. This hose is typically used in applications where flexibility and durability are required, such as in the cooling system, fuel system, or hydraulic systems. By providing a secure and efficient pathway for fluid transfer, it contributes to the overall reliability and efficiency of the truck.

Key Features

The Cummins 4009437 Plain Hose is characterized by several key features that enhance its performance and longevity. It is composed of materials that offer flexibility and durability, allowing it to withstand the rigors of commercial truck operations. The hose is designed to resist degradation from exposure to various fluids and environmental conditions, ensuring a long service life. Additionally, its design includes features that facilitate easy installation and maintenance, contributing to its overall effectiveness in truck systems.

Benefits of Using Cummins 4009437 Plain Hose

Incorporating the Cummins 4009437 Plain Hose into truck systems offers several advantages. Its design and material composition contribute to improved efficiency in fluid transfer, reducing the risk of leaks and ensuring a consistent flow. The hose’s durability and resistance to degradation enhance the reliability of the truck’s systems, minimizing downtime and maintenance requirements. Furthermore, its ease of installation and maintenance makes it a practical choice for commercial truck applications.

Installation Considerations

When installing the Cummins 4009437 Plain Hose, it is important to consider compatibility with other components in the system. Ensuring that the hose fits securely and effectively requires the use of appropriate tools and following best practices for hose installation. This includes proper alignment, securing connections, and verifying that the hose is not kinked or twisted, which could impede fluid flow or cause damage.

Troubleshooting Common Issues

Frequent problems associated with plain hoses, such as leaks or degradation, can often be traced to installation errors, environmental factors, or normal wear and tear. Diagnosing these issues involves inspecting the hose for signs of damage, checking connections for tightness, and ensuring that the hose is compatible with the fluids it transports. Resolving these issues may require repairing or replacing the hose, depending on the extent of the damage.

Maintenance Tips

To ensure optimal performance of the Cummins 4009437 Plain Hose, regular maintenance is recommended. This includes inspecting the hose for signs of wear, checking connections for leaks, and cleaning the hose as necessary. Replacement should be considered if the hose shows significant signs of degradation or if leaks cannot be repaired. Adhering to a maintenance schedule helps to prolong the life of the hose and ensures the continued efficiency of the truck’s systems.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins serves customers in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributor facilities and more than 7,200 dealer locations. The company’s product range includes engines for on-highway, off-highway, and stationary applications, as well as related technologies that enhance performance and efficiency.

Engine Compatibility of Part 4009437

The Plain Hose part 4009437, manufactured by Cummins, is designed to fit seamlessly within a range of Cummins QSK19 engines. This part is integral to the engine’s operation, ensuring proper fluid transfer and maintaining system integrity. Here is a detailed look at its compatibility with specific engine models:

QSK19 CM2350 K114

In the QSK19 CM2350 K114 engine, the Plain Hose part 4009437 is utilized to connect various fluid lines, ensuring that the engine’s hydraulic and cooling systems function efficiently. This hose is strategically placed to handle the transfer of fluids under high pressure, maintaining the engine’s operational efficiency.

QSK19 CM500

For the QSK19 CM500 engine, the Plain Hose part 4009437 is essential in the engine’s cooling system. It connects the radiator to the engine block, facilitating the flow of coolant. This hose is designed to withstand the high temperatures and pressures within the engine, ensuring longevity and reliability.

QSK19 CM850 MCRS

In the QSK19 CM850 MCRS engine, the Plain Hose part 4009437 plays a crucial role in the engine’s fuel system. It is used to transfer fuel from the fuel tank to the engine, ensuring a steady and uninterrupted fuel supply. This hose is engineered to resist fuel degradation and maintain a secure seal, preventing leaks and ensuring optimal engine performance.

Grouping of Engines

The Plain Hose part 4009437 is compatible with the QSK19 CM2350 K114, QSK19 CM500, and QSK19 CM850 MCRS engines. These engines, while differing in specific applications and configurations, share a common requirement for reliable fluid transfer systems. The hose’s design ensures it fits perfectly within the engine’s architecture, providing a seamless integration that enhances overall engine performance and durability.

Role of Part 4009437 Plain Hose in Engine Systems

The part 4009437 plain hose is an essential component in various engine systems, facilitating the transfer of fluids and gases under different conditions. Its role can be observed in the following systems:

Fuel System

In the fuel system, the plain hose is utilized to transport fuel from the tank to the engine. It ensures a consistent flow of fuel, which is necessary for the combustion process. The hose’s material is selected to resist corrosion from fuel components, enhancing the longevity and reliability of the fuel delivery system.

Cooling System

Within the cooling system, the plain hose plays a part in circulating coolant throughout the engine. This circulation helps in dissipating heat generated during combustion, preventing overheating. The hose is designed to withstand high temperatures and pressure fluctuations, ensuring efficient heat management.

Emissions Control System

In the emissions control system, the plain hose is involved in routing exhaust gases to various components like the catalytic converter. It aids in reducing harmful emissions by ensuring that gases reach treatment components effectively. The hose material is chosen for its resistance to corrosion from exhaust gases, which contain acidic compounds.

Vacuum System

The vacuum system relies on the plain hose to maintain vacuum levels required for various engine functions, such as brake booster operation and emission control systems. The hose ensures a secure and leak-free connection, which is vital for the proper functioning of vacuum-dependent components.

Electrical Systems

Although primarily a fluid transfer component, the plain hose can also be found in electrical systems where it protects wiring and cables from fluid exposure. This protection is particularly important in areas where fluids are present, such as near the fuel tank or coolant passages.

Conclusion

The Cummins 4009437 Plain Hose is a versatile and essential component in commercial truck systems, facilitating efficient fluid transfer across various engine systems. Its design and material composition ensure durability, resistance to degradation, and ease of installation and maintenance. By understanding its key features, benefits, and proper installation and maintenance practices, users can ensure the optimal performance and longevity of this Cummins part in their truck’s infrastructure.


  1. Huang, M. (2002). Vehicle Crash Dynamics. CRC Press.

SPECIFICATIONS

Package Dimensions
8.1 x 7.3 x 2.75 in
Weight
0.97 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.