3634469
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$339.95 $404.54

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 3634469 Flexible Hose is a component designed for use in commercial truck systems. It serves a specific function within the truck’s infrastructure, facilitating the transfer of fluids between various parts of the system. Understanding its purpose and role is fundamental for maintaining the efficiency and reliability of the truck’s operations 1.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in automotive systems to connect different components that require fluid transfer. They are designed to accommodate movement and vibration, which are common in vehicle operations. These hoses are made from materials that offer flexibility, durability, and resistance to the specific fluids they transport. Their function is to provide a reliable pathway for fluids, ensuring that systems operate smoothly without leaks or disruptions 2.

Purpose of the Cummins 3634469 Flexible Hose

The Cummins 3634469 Flexible Hose plays a role in connecting specific systems within a truck, enabling the transport of fluids essential for the truck’s operation. It is engineered to withstand the pressures and temperatures associated with these fluids, ensuring a secure and efficient transfer. The hose’s design allows it to fit within the complex layout of a truck’s engine compartment, providing flexibility where rigid pipes cannot 3.

Key Features

The Cummins 3634469 Flexible Hose is characterized by several key features that enhance its performance and durability. It is constructed from materials that offer resistance to wear, corrosion, and the specific chemicals it may encounter. Its flexibility allows it to bend and twist without compromising the flow of fluids, which is crucial in the dynamic environment of a commercial truck. The hose is also designed with specific dimensions and connection types to ensure a proper fit within the truck’s system 1.

Benefits of Using the Cummins 3634469 Flexible Hose

Utilizing the Cummins 3634469 Flexible Hose offers several advantages. Its flexibility reduces the risk of damage from vibrations and movements within the truck. The material composition ensures resistance to wear and tear, contributing to a longer service life. Additionally, the hose’s design supports efficient fluid transfer, which can enhance the overall performance of the truck’s systems 2.

Installation Considerations

When installing the Cummins 3634469 Flexible Hose, it is important to follow guidelines to ensure proper fitting and securement. This includes using the correct fittings and ensuring that the hose is aligned correctly within the truck’s system. Proper installation helps prevent leaks and ensures that the hose can withstand the operational stresses it will encounter 3.

Troubleshooting Common Issues

Common issues with flexible hoses include leaks, kinks, and degradation over time. To address these problems, it is important to regularly inspect the hose for signs of wear or damage. If a leak is detected, the hose should be replaced or repaired as necessary. Kinks can often be resolved by repositioning the hose, ensuring it is not twisted or bent excessively 1.

Maintenance Tips

Regular maintenance of the Cummins 3634469 Flexible Hose is key to ensuring its longevity and reliable performance. This includes periodic inspections for signs of wear, damage, or leaks. Replacement guidelines should be followed to ensure that the hose is changed out before it fails, which can help prevent system downtime and ensure the truck operates efficiently 2.

Compatibility with Cummins Engines

The Cummins Flexible Hose part number 3634469 is designed to fit seamlessly with a range of Cummins engines, ensuring reliable performance and durability. This hose is engineered to meet the stringent requirements of various engine applications, providing a critical connection in the engine’s system 3.

K19 and K38 Engines

For the K19 and K38 engines, the 3634469 Flexible Hose is a crucial component that facilitates the transfer of fluids between different parts of the engine. Its flexibility allows it to accommodate the natural movements and vibrations of the engine, reducing the risk of wear and tear on the connections. This hose is particularly important in maintaining the integrity of the engine’s cooling and lubrication systems, ensuring that the engine operates efficiently and reliably 1.

K50 Engine

The K50 engine also benefits from the use of the 3634469 Flexible Hose. Given the K50’s design and operational requirements, this hose provides the necessary flexibility to handle the dynamic stresses of the engine. Its robust construction ensures that it can withstand the high pressures and temperatures typical of engine environments, contributing to the overall longevity and performance of the engine 2.

Role of the 3634469 Flexible Hose in Engine Systems

The 3634469 Flexible Hose is integral to the efficient operation of various engine systems. It serves as a vital link in the Aftercooler Left Bank Return Plumbing, ensuring that the cooled air is effectively returned to the engine, maintaining optimal performance and efficiency.

In the broader Aftercooler Plumbing system, this hose facilitates the smooth flow of coolant, which is essential for regulating the temperature of the compressed air before it enters the engine. This temperature regulation is key to preventing overheating and ensuring consistent engine performance.

The hose also plays a significant role in the Connection points throughout the engine, particularly at the Water Outlet. Here, it allows for the transfer of coolant from the engine to other parts of the system, aiding in the overall cooling process.

When integrated into an Engine Kit, the flexible hose provides the necessary flexibility and durability required to withstand the high pressures and temperatures within the engine environment. This is particularly important in the Left Bank Vent Hose, where it helps to vent excess pressure and maintain a stable operating environment.

In Plumbing applications related to the Aftercooler Water system, the hose ensures that water is efficiently circulated, contributing to the effective cooling of the aftercooler. This is essential for maintaining the efficiency and longevity of the engine.

The hose is also utilized in Sensor applications, where it connects various sensors to the engine monitoring system. This connection is vital for accurate data collection and analysis, which in turn informs maintenance and operational decisions.

In the Oil Pressure System, the flexible hose allows for the safe and efficient transfer of oil, ensuring that all moving parts are adequately lubricated. This lubrication is essential for reducing friction and wear, thereby enhancing the engine’s durability and performance.

Finally, in the Engine Monitoring System, the hose facilitates the connection between various components, allowing for real-time data collection and analysis. This data is crucial for diagnosing issues, optimizing performance, and ensuring the engine operates within safe parameters.

Overall, the 3634469 Flexible Hose is a versatile and essential component in various engine systems, contributing to their efficient and reliable operation 3.

Conclusion

The Cummins 3634469 Flexible Hose is a critical component in the operation of commercial truck systems, particularly within Cummins engines. Its design and features ensure efficient fluid transfer, durability, and flexibility, which are essential for maintaining the performance and reliability of the truck’s systems. Regular maintenance and proper installation are key to maximizing the lifespan and effectiveness of this part.


  1. Bonnick, A., & Newbold, D. (2011). A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition. Elsevier Ltd.

  2. Wright, G. (2015). Fundamentals of Medium-Heavy Duty Diesel Engines. Jones & Bartlett Learning.

  3. Sclar, D. (2008). Auto Repair for Dummies: 2nd Edition. For Dummies.

SPECIFICATIONS

Package Dimensions
120.0 x 2.0 x 2.0 in
Weight
0.329 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.