4944026
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,499.95 $1,784.94

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 4944026 Flexible Hose is a component designed for use in commercial trucks. It serves as a conduit for various fluids within the truck’s systems, facilitating the transfer of substances that are integral to the vehicle’s operation. This Cummins part is specifically engineered to meet the demanding requirements of heavy-duty applications, ensuring reliable performance under a range of operating conditions.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in automotive applications to connect different parts of a system that may move or vibrate relative to each other. They are designed to accommodate the dynamic nature of engines and other mechanical components, allowing for movement without compromising the integrity of the fluid transfer. Flexible hoses function by providing a pathway for fluids to travel from one point to another within a system, while also absorbing vibrations and accommodating changes in position or angle 1.

Purpose of the 4944026 Flexible Hose

The 4944026 Flexible Hose plays a role in the operation of a truck by connecting various systems and transporting fluids such as coolant, fuel, or hydraulic fluid. It is designed to link components that may not be fixed in position relative to each other, ensuring a continuous and secure flow of fluids despite the movement and vibrations inherent in truck operations.

Key Features

The Cummins 4944026 Flexible Hose is characterized by several key features that enhance its performance and longevity. These include a material composition that provides resistance to the fluids it carries and the environmental conditions it encounters. Its flexibility allows it to bend and twist without kinking, while its durability ensures it can withstand the pressures and temperatures associated with its use. Design elements such as reinforced ends and smooth inner walls contribute to its efficient operation and reduced risk of leaks or blockages.

Benefits of Using the 4944026 Flexible Hose

The advantages of the 4944026 Flexible Hose include its improved flexibility over rigid hoses, which allows for greater movement and reduces the likelihood of damage from vibration. It also offers enhanced resistance to wear and environmental factors, which can extend its service life. Additionally, the hose’s design helps in reducing the transmission of vibrations to connected components, which can contribute to the overall stability and efficiency of the truck’s systems.

Installation Considerations

When installing the 4944026 Flexible Hose, it is important to ensure compatibility with other system components to maintain the integrity of the fluid transfer system. Best practices for securing and routing the hose involve careful planning to avoid sharp bends or excessive tension, which could lead to premature failure. Proper clamps and fittings should be used to create a secure connection that can withstand the operational stresses of the truck.

Troubleshooting Common Issues

Common problems associated with flexible hoses include leaks, kinks, and degradation due to exposure to elements or fluids. Troubleshooting steps may involve inspecting the hose for signs of wear, checking connections for proper tightness, and ensuring that the hose is routed away from sharp edges or high-heat areas. Solutions can range from simple adjustments to replacement of the hose if damage is significant.

Maintenance Tips

To ensure the longevity and reliable performance of the 4944026 Flexible Hose, regular inspection intervals should be established. Signs of wear to look for include cracks, swelling, or discoloration, which may indicate degradation of the hose material. Maintenance procedures should include checking and tightening connections, replacing worn or damaged sections, and ensuring that the hose remains free from obstructions or excessive strain.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins is known for its commitment to quality and innovation in the automotive and engine manufacturing industry. The company’s product range includes a variety of components and systems designed to meet the needs of commercial vehicles, providing reliable and efficient solutions for a wide range of applications 2.

Flexible Hose 4944026 in Cummins Engines

The Cummins Flexible Hose part number 4944026 is a critical component in various Cummins engine models, ensuring the efficient and reliable operation of these engines. This hose is designed to withstand the high pressures and temperatures typical in engine environments, providing a durable connection between different parts of the engine system.

K50 Engines

In the K50 series engines, the Flexible Hose 4944026 is integral to the engine’s fuel and coolant systems. It facilitates the transfer of fluids while accommodating the natural movements and vibrations of the engine. This flexibility is crucial for maintaining a secure and leak-free connection, which is essential for the engine’s performance and longevity.

The hose’s design allows it to bend and flex without compromising its structural integrity, ensuring that it can handle the dynamic forces exerted during engine operation. This feature is particularly important in the K50 engines, where precision and reliability are paramount.

Integration with Other Cummins Engines

While the K50 series is highlighted here, the Flexible Hose 4944026 is also compatible with other Cummins engines. Its universal design makes it a versatile component across various engine models, providing consistent performance and durability. This flexibility in application underscores the importance of the hose in maintaining the overall efficiency and reliability of Cummins engines.

The hose’s ability to connect different parts of the engine system without the need for rigid fittings allows for easier maintenance and repair, reducing downtime and increasing the engine’s operational lifespan.

Role of Part 4944026 Flexible Hose in Engine Systems

The part 4944026 Flexible Hose is an essential component in various engine systems, facilitating the efficient transfer of fluids and gases under dynamic conditions. Its application spans across several critical areas within the engine, ensuring smooth operation and reliability.

Turbo Oil Drain Hose

In turbocharged engine systems, the 4944026 Flexible Hose is often utilized as a Turbo Oil Drain Hose. This hose connects the turbocharger to the oil drain system, allowing the efficient return of lubricant from the turbocharger to the sump. This ensures that the turbocharger remains well-lubricated, reducing wear and enhancing performance.

Manifold and Exhaust Systems

The hose is also integral in manifold and exhaust systems. In these applications, it connects various components such as the intake manifold to the throttle body or the exhaust manifold to the catalytic converter. Its flexibility accommodates the vibrations and movements inherent in these systems, maintaining a secure and leak-free connection.

On-Board Spares Kit

In maintenance kits, particularly on-board spares kits, the 4944026 Flexible Hose is included as a replacement part. Its versatility allows it to be used in multiple applications within the engine system, providing a reliable solution for common hose failures or leaks.

Left Bank Turbocharger Oil Drain Hose

Specifically, in engines with multiple turbochargers, the 4944026 Flexible Hose serves as the Left Bank Turbocharger Oil Drain Hose. This application ensures that oil is effectively drained from the left-side turbocharger, contributing to balanced lubrication and prolonged turbocharger life.

General Hose Applications

Beyond specific applications, the 4944026 Flexible Hose is a general-purpose component used in various hose applications throughout the engine system. Its robust construction and flexibility make it suitable for connecting different engine components, ensuring efficient fluid and gas transfer while withstanding the harsh environment within the engine bay.

Conclusion

The Cummins 4944026 Flexible Hose is a versatile and essential component in the operation of commercial trucks and various engine systems. Its design allows for flexibility, durability, and efficient fluid transfer, making it a critical part in maintaining the reliability and performance of heavy-duty applications. Regular maintenance and proper installation are key to ensuring the longevity and effectiveness of this Cummins part.


  1. Dixon, John. Modern Diesel Technology: Heating, Ventilation, Air Conditioning, Refrigeration, 2nd Edition. Cengage Learning, 2014.

  2. Boger, Thorsten, and Willard Cutler. Reducing Particulate Emissions in Gasoline Engines. SAE International, 2018.

SPECIFICATIONS

Service Part Topic
07T7-14
Package Dimensions
64.0 x 4.0 x 4.0 in
Weight
1.024 lbs
* 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.