5261719
Flexible Hose
Cummins®

AVAILABLE

Cummins®

4 are currently available

Ships within 2-4 business days

$74.95 $89.19

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 5261719 Flexible Hose is a component designed for use in commercial truck systems. It serves to connect various parts within the truck’s fluid transport systems, ensuring efficient and reliable operation. This hose is integral to maintaining the functionality of the truck’s systems by providing a flexible connection that can accommodate movement and vibration inherent in heavy-duty applications.

Basic Concepts of Flexible Hoses

Flexible hoses are used in automotive and truck systems to connect different components that require fluid transfer. These hoses are designed to withstand pressure, temperature variations, and mechanical stress while providing a flexible connection that can adapt to the movement and vibrations typical in vehicle operations. They are commonly used for transporting fluids such as coolant, fuel, and hydraulic fluids, ensuring that these systems operate smoothly and efficiently 2.

Purpose of the Cummins 5261719 Flexible Hose

The Cummins 5261719 Flexible Hose plays a specific role in the operation of a truck by connecting various systems that require fluid transport. It is designed to link components within the truck’s fluid systems, facilitating the movement of fluids under pressure. This hose is particularly useful in applications where rigid hoses cannot accommodate the necessary flexibility and movement, ensuring that the truck’s systems remain operational under various conditions 5.

Key Features

The Cummins 5261719 Flexible Hose is characterized by several key features that enhance its performance and longevity. It is made from high-quality materials that provide durability and resistance to wear and tear. The hose’s flexibility allows it to bend and move without kinking, which is crucial in applications where components are subject to vibration and movement. Additionally, its design includes reinforced ends to ensure secure connections and prevent leaks 1.

Benefits

Using the Cummins 5261719 Flexible Hose offers several benefits. It contributes to improved system reliability by providing a flexible connection that can withstand the rigors of heavy-duty truck operations. The hose’s design reduces the risk of leaks, which can lead to system failures and downtime. Furthermore, its durability ensures long-term performance, making it a cost-effective solution for truck maintenance and repair 3.

Installation Considerations

When installing the Cummins 5261719 Flexible Hose, it is important to follow guidelines and best practices to ensure proper function and longevity. This includes using the correct fitting techniques to secure the hose ends, ensuring that the hose is not over-tightened, which can cause damage. Additionally, the hose should be aligned correctly within the truck’s system to prevent kinks and ensure smooth fluid flow. Proper installation is key to maximizing the hose’s performance and durability 4.

Troubleshooting Common Issues

Common problems associated with flexible hoses include leaks, kinks, and degradation over time. To address these issues, regular inspections should be conducted to identify signs of wear or damage. If a leak is detected, the hose should be replaced to prevent fluid loss and potential system failure. Kinks can often be resolved by repositioning the hose, ensuring it is not bent sharply. Degradation may require replacement of the hose to maintain system integrity 2.

Maintenance Tips

To maintain the Cummins 5261719 Flexible Hose, regular inspections are recommended to check for signs of wear, such as cracks, bulges, or soft spots. These inspections should be part of routine maintenance checks to ensure the hose remains in good condition. Additionally, keeping the hose clean and free from debris can help prolong its service life. Following these maintenance practices will help ensure the hose continues to perform reliably 3.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a strong reputation in the commercial truck industry, Cummins is known for its high-quality components and innovative technologies. The company’s commitment to excellence is reflected in its products, such as the 5261719 Flexible Hose, which is designed to meet the demanding requirements of heavy-duty truck applications 4.

Cummins Engine Compatibility with Flexible Hose Part 5261719

The Cummins Flexible Hose part number 5261719 is designed to fit seamlessly with several models of Cummins engines, ensuring optimal performance and durability. This part is integral to the engine’s operation, providing flexibility and resilience in various applications. Below is a detailed look at the compatibility of this hose with the specified Cummins engines.

ISB CM2150 and ISB6.7 CM2250

The Flexible Hose part 5261719 is engineered to fit both the ISB CM2150 and ISB6.7 CM2250 engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The hose’s design accommodates the specific requirements of these engines, ensuring a secure and efficient connection. Its flexibility allows for smooth operation under varying conditions, reducing the risk of wear and tear.

ISB6.7 CM2350 B101

The ISB6.7 CM2350 B101 engine is another model that benefits from the use of the Flexible Hose part 5261719. This engine is part of the Cummins B series, which is renowned for its power and efficiency. The hose’s compatibility with this engine ensures that it can handle the high-pressure demands and frequent movements typical of B series engines. Its design also allows for easy installation and maintenance, contributing to the overall longevity of the engine.

Grouping for Compatibility

When considering the compatibility of the Flexible Hose part 5261719, it is essential to recognize that the ISB CM2150 and ISB6.7 CM2250 engines share many common features, making them suitable for the same hose. On the other hand, the ISB6.7 CM2350 B101 engine, while part of the ISB6.7 series, has specific requirements that are also met by this hose. The grouping of these engines highlights the versatility of the part, ensuring that it can be used across different models with confidence in its performance and reliability.

Role of Part 5261719 Flexible Hose in Engine Systems

The part 5261719 Flexible Hose is a component in various engine systems, facilitating the connection between rigid components and allowing for necessary movement and vibration absorption.

In plumbing systems, the flexible hose ensures a secure and leak-free connection between pipes and fittings. Its flexibility accommodates thermal expansion and contraction, reducing the risk of joint failure over time. This is particularly important in high-pressure and high-temperature environments where rigid connections could lead to stress fractures.

When integrated into turbocharger systems, the flexible hose plays a significant role in connecting the turbocharger to the engine’s intake and exhaust manifolds. The turbocharger generates high-pressure air that is fed into the engine, enhancing performance. The flexible hose absorbs vibrations from the turbocharger, which operates at high speeds, thereby protecting the connections from wear and tear.

In turbocharger plumbing, the flexible hose is used to connect various components such as the intercooler, charge air cooler, and other ancillary systems. Its ability to flex and move with the engine’s natural vibrations ensures that these connections remain intact and functional, even under demanding conditions. This is vital for maintaining the efficiency and reliability of the turbocharger system.

Overall, the part 5261719 Flexible Hose enhances the durability and performance of engine systems by providing flexible, secure connections that can withstand the dynamic conditions within an engine 5.

Conclusion

The Cummins 5261719 Flexible Hose is a vital component in commercial truck systems, providing flexible and durable connections that accommodate the movement and vibration inherent in heavy-duty applications. Its key features, benefits, and compatibility with various Cummins engines make it a reliable choice for maintaining the efficiency and reliability of truck fluid systems. Regular maintenance and proper installation are essential to maximize the performance and longevity of this hose.


  1. Khajepour, Amir. Synthesis Lectures on Advances in Automotive Technology. Springer, 2023.

  2. Minaker, Bruce P. Fundamentals of Vehicle Dynamics and Modelling. John Wiley Sons, 2019.

  3. Bennett, Sean. Modern Diesel Technology Light Duty Diesels. Cengage Learning, 2012.

  4. Cummins Inc. Engine: General Information. Bulletin Number 4021418, Troubleshooting and Repair Manual.

  5. Han, Zhiyu. Simulation and Optimization of Internal Combustion Engines. SAE International, 2022.

SPECIFICATIONS

Package Dimensions
13.0 x 1.0 x 0.01 in
Weight
0.34 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.