4007950
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$2,399.95 $2,855.94

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 4007950 Flexible Hose is a component designed for use in commercial trucks. It facilitates the transfer of fluids between various parts of the vehicle, engineered to withstand the demanding conditions encountered in commercial trucking, ensuring reliable performance and durability.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in automotive applications to connect different parts of a system, allowing for movement and vibration without compromising the integrity of the fluid transfer. They are typically made from materials that offer flexibility, durability, and resistance to the specific fluids they transport. In a truck, flexible hoses play a role in various systems, including fuel, coolant, and hydraulic systems, by providing a reliable connection that can accommodate the dynamic nature of vehicle operation 1.

Purpose of the Cummins 4007950 Flexible Hose

This Cummins part is designed to connect specific components within a truck’s system, facilitating the transport of fluids. It ensures that fluids are efficiently transferred between parts of the system, contributing to the overall operation and performance of the truck. The hose is engineered to handle the pressures and temperatures associated with its intended application, ensuring consistent performance 2.

Key Features

The 4007950 Flexible Hose is constructed with materials chosen for their ability to provide flexibility, durability, and resistance to the fluids it transports. Its design includes features that enhance its performance, such as reinforced layers to withstand pressure and external protection to resist wear and environmental factors. The hose’s flexibility allows it to accommodate the movement and vibration inherent in truck operation, while its durability ensures long-term reliability 3.

Benefits

Using this part offers several advantages. Its flexibility allows for dynamic movement within the truck’s system, reducing the risk of damage from vibration or shifting components. The hose’s durability and resistance to wear and tear contribute to its longevity, minimizing the need for frequent replacements. Additionally, its design enhances performance in varying conditions, ensuring reliable fluid transfer across a range of operating environments.

Installation Considerations

When installing the 4007950 Flexible Hose, it is important to follow guidelines and best practices to ensure proper fitting and securement. This includes verifying compatibility with the truck’s system to prevent issues such as leaks or improper function. Careful attention to the fitting process and securing methods will help maintain the integrity of the fluid transfer system and ensure the hose operates as intended.

Troubleshooting Common Issues

Common problems associated with flexible hoses include leaks, kinks, or degradation over time. To address these issues, regular inspections are recommended to identify any signs of wear or damage. Troubleshooting steps may involve checking connections for tightness, inspecting the hose for physical damage, and ensuring there are no obstructions or kinks that could impede fluid flow. Prompt attention to these issues can help maintain the hose’s performance and prevent more significant problems.

Maintenance Tips

Regular maintenance practices are key to ensuring the longevity and reliable performance of the 4007950 Flexible Hose. This includes periodic inspections to check for signs of wear, damage, or leaks. Replacement guidelines should be followed to ensure that the hose is replaced before it reaches the end of its service life, maintaining the efficiency and safety of the truck’s system. Adhering to these maintenance tips will help preserve the hose’s functionality and contribute to the overall reliability of the vehicle.

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 has established a reputation for quality and innovation in the commercial truck industry. The company’s product range includes a variety of components and systems designed to enhance the performance, efficiency, and reliability of commercial vehicles. Cummins’ commitment to excellence and customer satisfaction has made it a trusted name in the industry.

Cummins Engine Compatibility with Part 4007950

The Cummins part 4007950, a Flexible Hose, is designed to integrate seamlessly with various Cummins engines, ensuring optimal performance and reliability. This part is specifically engineered to fit within the engine systems of the QSK78 and CM500 series.

QSK78 Series

The QSK78 engine, known for its robust construction and high power output, is commonly used in heavy-duty applications such as marine, rail, and industrial sectors. The Flexible Hose part 4007950 is integral to the QSK78’s cooling and exhaust systems, providing a durable connection that can withstand the demanding conditions these engines operate under.

CM500 Series

The CM500 engine, another high-performance model from Cummins, is widely utilized in on-highway and vocational applications. The Flexible Hose part 4007950 is essential for maintaining the integrity of the CM500’s fluid transfer systems, ensuring that coolant and other fluids are efficiently managed throughout the engine’s operation.

Grouping of Engines

Both the QSK78 and CM500 engines benefit from the use of the Flexible Hose part 4007950, as it is designed to meet the stringent requirements of Cummins’ high-performance engines. This part’s flexibility and durability make it a critical component in the overall functionality and longevity of these engines, providing a reliable connection that can endure the rigors of continuous operation.

Role of Part 4007950 Flexible Hose in Engine Systems

The 4007950 Flexible Hose is an essential component in various engine systems, facilitating the efficient transfer of fluids under dynamic conditions.

Plumbing Systems

In plumbing applications within engine systems, the 4007950 Flexible Hose allows for the conveyance of coolant, oil, and other fluids between different parts of the engine. Its flexibility accommodates the vibrations and movements inherent in engine operation, ensuring a secure and leak-free connection. This adaptability is particularly important in high-stress areas where rigid pipes might fail due to constant movement and thermal expansion.

Turbocharger Oil Systems

When integrated into turbocharger oil systems, the 4007950 Flexible Hose plays a significant role in maintaining the lubrication of turbocharger components. It connects the oil supply from the engine’s lubrication system to the turbocharger, allowing for the continuous flow of oil to critical bearings and seals. The hose’s flexibility ensures that oil delivery remains consistent despite the turbocharger’s high-speed rotation and the associated vibrations, which are common in turbocharged engines. This consistent oil flow is vital for reducing friction, dissipating heat, and prolonging the lifespan of turbocharger components.

Conclusion

The Cummins 4007950 Flexible Hose is a vital component in the operation of commercial trucks, particularly those equipped with Cummins engines. Its design and construction ensure reliable fluid transfer under dynamic conditions, contributing to the overall performance and durability of the vehicle. Regular maintenance and proper installation are key to maximizing the lifespan and efficiency of this part, ensuring it continues to perform its critical role in the truck’s system.


  1. Xin, Q. (2011). Diesel Engine System Design. Woodhead Publishing.

  2. Lejda, K., & Wos, P. (2012). Internal Combustion Engines. InTech.

  3. Dixon, J. (2014). Modern Diesel Technology: Heating, Ventilation, Air Conditioning, Refrigeration, 2nd Edition. Cengage Learning.

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SPECIFICATIONS

Package Dimensions
66.0 x 7.0 x 25.0 in
Weight
0.943 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.