3651909
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$269.95 $321.24

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 3651909 Flexible Hose is a specialized component designed for use in commercial truck systems. Its primary function is to facilitate the transfer of fluids within the truck’s system, ensuring efficient operation and reliability. This hose is integral to maintaining the performance and longevity of the truck’s fluid systems.

Basic Concepts of Flexible Hoses

Flexible hoses are components used in various automotive and industrial applications to convey fluids such as coolant, fuel, oil, and hydraulic fluids. They are designed to provide a flexible connection between rigid components, accommodating movement and vibration that occur during operation. Flexible hoses are typically made from materials that offer durability, flexibility, and resistance to the specific fluids they transport 1.

Purpose of the Cummins 3651909 Flexible Hose

The Cummins 3651909 Flexible Hose plays a specific role in the operation of commercial trucks by connecting various systems and transporting essential fluids. It is commonly used in fuel systems, where it connects the fuel tank to the engine or other components, ensuring a consistent and reliable fuel supply. Additionally, it may be employed in other fluid systems where flexibility and durability are required 2.

Key Features

The Cummins 3651909 Flexible Hose boasts several key features that enhance its performance and durability. It is constructed from high-quality materials that provide resistance to wear, abrasion, and the specific fluids it transports. The hose features a robust design that can withstand the pressures and temperatures encountered in commercial truck applications. Additionally, it includes reinforced ends to ensure secure connections and prevent leaks 3.

Benefits of Using the Cummins 3651909 Flexible Hose

Utilizing the Cummins 3651909 Flexible Hose offers several advantages. Its flexibility allows it to accommodate the movement and vibration inherent in truck operations, reducing the risk of damage to the hose or connected components. The hose’s durable construction ensures long-lasting performance, minimizing the need for frequent replacements. Furthermore, its design enhances safety and efficiency in fluid transfer, contributing to the overall reliability of the truck’s systems.

Installation Considerations

When installing the Cummins 3651909 Flexible Hose, it is important to follow guidelines and best practices to ensure proper fit and function. Compatibility with various truck models and systems should be verified to ensure optimal performance. Careful attention should be paid to securing connections and routing the hose to avoid interference with other components. Additionally, regular inspections should be conducted to monitor the hose’s condition and performance.

Maintenance and Troubleshooting

To ensure the longevity and optimal performance of the Cummins 3651909 Flexible Hose, regular maintenance practices should be followed. This includes inspecting the hose for signs of wear, abrasion, or leaks, and replacing it as needed. Additionally, ensuring that connections are secure and free from leaks is crucial. Common troubleshooting tips include checking for proper routing to avoid kinks or abrasions and verifying that the hose is compatible with the fluids it transports.

Safety Precautions

When handling, installing, and maintaining the Cummins 3651909 Flexible Hose, it is important to observe safety measures to prevent accidents and ensure safe operation. This includes wearing appropriate personal protective equipment, such as gloves and safety glasses, when working with the hose. Additionally, ensuring that the truck’s engine is off and the system is depressurized before beginning any work is crucial. Following manufacturer guidelines and recommendations for installation and maintenance is also important to ensure safe and effective use of the hose.

Cummins Overview

Cummins Inc. is a renowned manufacturer with a long-standing reputation in the commercial truck industry. Founded in 1919, Cummins has a history of innovation and quality, providing reliable and high-performance engine and component solutions for a wide range of applications. The company’s commitment to excellence is evident in its products, including the Cummins 3651909 Flexible Hose, which is designed to meet the demanding requirements of commercial truck operations.

Role of Part 3651909 Flexible Hose in Engine Systems

The part 3651909 Flexible Hose is an essential component in the turbocharger coolant plumbing system. It facilitates the transfer of coolant between the turbocharger and the engine’s cooling system. This hose ensures that the turbocharger remains within optimal operating temperatures, enhancing its efficiency and longevity.

In the turbocharger coolant plumbing, the flexible hose connects to the turbocharger’s coolant inlet and outlet ports. It allows coolant to flow from the engine’s cooling system to the turbocharger, absorbing excess heat generated during operation. The hose then returns the heated coolant back to the engine’s cooling system, where it is cooled before recirculating.

The design of the flexible hose accommodates the dynamic movements and vibrations inherent in engine operation. Its flexibility prevents stress and potential failure points that rigid hoses might experience. This characteristic is particularly important in high-performance engines where turbochargers operate under extreme conditions.

Additionally, the hose contributes to maintaining consistent coolant flow, which is vital for the turbocharger’s thermal management. Efficient coolant circulation prevents overheating, which can lead to decreased performance and potential damage to the turbocharger.

Conclusion

In summary, the Cummins 3651909 Flexible Hose plays a significant role in the turbocharger coolant plumbing by ensuring reliable and efficient coolant transfer, accommodating engine dynamics, and contributing to the overall thermal management of the turbocharger.


  1. Heywood, J. (2019). Internal Combustion Engine Fundamentals. McGraw-Hill Education.

  2. Hilgers, M. (2023). Entire Vehicle: Second Edition. Springer Nature.

  3. Mollenhauer, K., & Tschoeke, H. (2010). Handbook of Diesel Engines. Springer.

SPECIFICATIONS

Package Dimensions
19.5 x 4.5 x 2.5 in
Weight
0.077 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.