213791
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$509.95 $606.84

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 213791 Flexible Hose is a component designed for use in commercial truck systems. It serves to facilitate the transfer of fluids between various parts of the truck’s system, ensuring efficient operation and reliability. This hose is integral to maintaining the functionality of the truck’s fluid systems by providing a flexible connection that can accommodate movement and vibration inherent in heavy-duty applications 1.

Basic Concepts of Flexible Hoses

Flexible hoses are used in automotive and truck systems to connect different components that require fluid transfer. Unlike rigid pipes, flexible hoses can bend and move with the vehicle, reducing stress on connections and allowing for greater design flexibility in the layout of fluid systems. They are typically made from a combination of rubber and reinforcement materials to balance flexibility with durability 2.

Purpose of the Cummins 213791 Flexible Hose

The Cummins 213791 Flexible Hose is specifically designed to connect components within a truck’s fluid system. It plays a role in transporting fluids such as coolant, fuel, or hydraulic fluid. By providing a flexible connection, it helps to maintain the integrity of the fluid pathways under the dynamic conditions experienced by commercial trucks 3.

Key Features

This Cummins part is constructed with materials that offer a balance of flexibility and durability. It typically includes a rubber inner layer for fluid transport, reinforced with textile or wire to withstand pressure and abrasion. The design allows it to flex without kinking, ensuring a consistent flow of fluids even when the truck is in motion 4.

Benefits

Using the Cummins 213791 Flexible Hose offers several advantages. It contributes to improved system reliability by reducing the risk of leaks that can occur with rigid connections. Its flexibility helps to absorb vibrations and movements, which can extend the lifespan of the hose and connected components. Additionally, its durable construction ensures it can withstand the harsh conditions often encountered in commercial trucking 1.

Installation Considerations

When installing this part, it is important to follow guidelines to ensure proper fit and function. This includes selecting the correct fittings for secure connections, ensuring the hose is not twisted or kinked, and aligning it correctly within the system to avoid unnecessary stress on the hose or connected components 2.

Troubleshooting Common Issues

Common issues with flexible hoses include leaks, kinks, and degradation over time. To address these, regular inspections should be conducted to identify wear or damage. If a leak is detected, the source should be located and repaired or replaced as necessary. Kinks can often be resolved by rerouting the hose to a more favorable position 3.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 213791 Flexible Hose, regular maintenance is recommended. This includes periodic inspections for signs of wear, checking for proper alignment and connection integrity, and replacing the hose according to the manufacturer’s guidelines or when signs of degradation are observed 4.

Safety Precautions

When working with the Cummins 213791 Flexible Hose, it is important to observe safety measures. This includes understanding the system pressure to ensure the hose is rated appropriately, using personal protective equipment when handling or installing the hose, and following proper procedures to avoid injury or damage to the system 1.

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. Their product range includes a variety of components and systems designed to enhance the performance and reliability of commercial vehicles 2.

Role of Part 213791 Flexible Hose in Engine Systems

Flexible Hose 213791 is integral to the efficient operation of several engine systems, particularly in managing fluid dynamics under varying operational conditions.

Coolant Heater Plumbing

In the coolant heater plumbing system, 213791 facilitates the transfer of heated coolant from the heater core to the engine block. This ensures that the engine reaches optimal operating temperature more quickly, which is essential for efficient combustion and reduced emissions. The flexibility of the hose accommodates the vibrations and movements inherent in engine operation, maintaining a secure and leak-free connection between static and moving components 3.

Heater Outlet Hose

As part of the heater outlet hose assembly, 213791 plays a key role in directing warm coolant from the engine to the vehicle’s heater core. This process is vital for maintaining cabin comfort by providing consistent and reliable heat. The hose’s flexibility ensures that it can withstand the thermal expansion and contraction cycles without failing, thereby ensuring long-term reliability and performance 4.

In both applications, the use of 213791 enhances the system’s durability and efficiency, contributing to overall vehicle performance and driver satisfaction.

Conclusion

The Cummins 213791 Flexible Hose is a critical component in the fluid systems of commercial trucks, offering flexibility, durability, and reliability. Proper installation, maintenance, and safety precautions are essential to ensure its optimal performance and longevity. Understanding its role and benefits can help maintain the efficiency and reliability of the truck’s engine systems.


  1. F. K. Sully, Motor Vehicle Mechanics Textbook, Fifth Edition, Heinemann Professional Publishing, 1998.

  2. R. Matthew Brach, SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety, SAE International, 2023.

  3. Alessandro Ferrari and Pietro Pizzo, Injection Technologies: Mixture Formation Strategies, SAE International, 2022.

  4. Matthew Harrison, Controlling Noise and Vibration in Road Vehicles, SAE International, 2004.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
21.6 x 4.3 x 1.75 in
Weight
1.55 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.