3086021
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$219.95 $261.74

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 3086021 Flexible Hose is a component designed for use in commercial trucks. It serves a significant role in the operation of these vehicles by facilitating the transfer of fluids or gases between various systems. Understanding its purpose and functionality is important for maintaining the efficiency and reliability of truck operations.

Basic Concepts of Flexible Hoses

Flexible hoses are components used in automotive systems to transfer fluids or gases. They are designed to accommodate movement and vibration, which are common in vehicle operations. Flexible hoses can be found in various applications, including fuel systems, cooling systems, and hydraulic systems. Their ability to bend and flex allows for more versatile routing of fluids and gases, which can enhance the overall design and functionality of automotive systems 1.

Purpose of the 3086021 Flexible Hose

This Cummins part is specifically designed to connect different systems within a truck, enabling the transfer of fluids or gases as required. It plays a role in ensuring that these systems operate efficiently by providing a reliable connection that can withstand the dynamic conditions present in truck operations.

Key Features

The 3086021 Flexible Hose is characterized by several key features that enhance its performance and longevity. These include its material composition, which is selected to provide the necessary flexibility and durability. The hose’s design incorporates elements that allow it to bend and flex without compromising its integrity, ensuring it can accommodate the movement and vibration inherent in truck operations.

Benefits

Using this part offers several benefits. It contributes to improved system reliability by providing a secure and flexible connection between components. This can reduce the risk of leaks, which are common in rigid hose connections. Additionally, its flexibility allows for more efficient routing of fluids and gases, which can simplify system design and potentially reduce costs over time 2.

Installation Considerations

Proper installation of the 3086021 Flexible Hose is important to ensure optimal performance and longevity. Installation procedures should follow manufacturer guidelines to ensure that the hose is correctly positioned and secured. This includes ensuring that connections are tight and that the hose is not kinked or twisted, which could impede fluid or gas flow.

Troubleshooting Common Issues

Common issues with flexible hoses include leaks, kinks, and degradation over time. Troubleshooting these issues involves inspecting the hose for signs of wear or damage, ensuring that connections are secure, and replacing the hose if necessary. Regular maintenance can help identify potential issues before they lead to more significant problems.

Maintenance Tips

Routine maintenance is important for prolonging the life of the 3086021 Flexible Hose. This includes regular inspections for signs of wear or damage, cleaning the hose as needed, and replacing it when it shows signs of degradation. Following manufacturer recommendations for inspection intervals and maintenance procedures can help ensure the hose continues to perform reliably.

Cummins Overview

Cummins Inc. is a company with a long history of expertise in diesel engine manufacturing. It is known for its commitment to providing high-quality automotive components, including the 3086021 Flexible Hose. Cummins’ focus on innovation and quality has established it as a trusted name in the automotive industry, particularly in the commercial truck sector.

Cummins Flexible Hose 3086021 Compatibility with Engine Models

The Cummins Flexible Hose part number 3086021 is designed to fit seamlessly with a variety of Cummins engine models. This part is engineered to provide a reliable connection in various applications, ensuring durability and performance. Below is a detailed description of its compatibility with the listed engine models:

K19 Series

The K19 engine series benefits from the flexibility and resilience of the 3086021 hose. This part is particularly suited for applications where the engine experiences moderate to high levels of vibration and movement, ensuring a secure and leak-proof connection.

KTA19GC Series

The KTA19GC engines, including the KTA19GC CM558 variant, are compatible with the 3086021 hose. This hose is designed to handle the specific demands of these engines, providing a robust connection that can withstand the operational stresses of heavy-duty applications.

QSK19 Series

The QSK19 engines, such as the QSK19 CM2350 K114, QSK19 CM2350 K144G, QSK19 CM500, QSK19 CM850 MCRS, and QSK19G, all benefit from the use of the 3086021 hose. This part is engineered to fit these engines perfectly, ensuring optimal performance and longevity. The flexibility of the hose allows it to adapt to the unique configurations and operational conditions of each QSK19 model.

By providing a comprehensive fit for these engines, the 3086021 hose ensures that users can maintain reliable and efficient operations across different engine models.

Role of Part 3086021 Flexible Hose in Engine Systems

The 3086021 Flexible Hose is integral to the efficient operation of various engine systems, particularly in the context of plumbing, turbocharger, and turbocharger oil supply components.

Plumbing Systems

In plumbing systems, the 3086021 Flexible Hose facilitates the transfer of fluids such as coolant, oil, and fuel. Its flexibility allows it to navigate tight spaces and absorb vibrations, ensuring a secure and durable connection between rigid plumbing components. This adaptability reduces the risk of leaks and enhances the overall reliability of the fluid transfer system.

Turbocharger Applications

When integrated into turbocharger systems, the 3086021 Flexible Hose plays a significant role in managing the high-pressure and high-temperature environments. It connects the turbocharger to the engine’s intake and exhaust systems, allowing for the efficient transfer of exhaust gases. The hose’s flexibility accommodates the dynamic movements and thermal expansions that occur during engine operation, maintaining a consistent flow of gases and contributing to the turbocharger’s performance and longevity.

Turbocharger Oil Supply

In turbocharger oil supply systems, the 3086021 Flexible Hose is used to deliver lubrication to the turbocharger’s bearings and seals. This ensures smooth operation and reduces wear. The hose’s flexibility is particularly beneficial in this application, as it can withstand the constant movement and high temperatures without compromising the oil flow. This reliable oil supply is essential for the turbocharger’s efficiency and durability, directly impacting the engine’s overall performance 3.

Conclusion

The Cummins 3086021 Flexible Hose is a critical component in the operation of commercial trucks, providing a reliable and flexible connection for the transfer of fluids and gases. Its key features, including material composition and design, enhance its performance and longevity. Proper installation, regular maintenance, and troubleshooting common issues are essential for ensuring the hose’s optimal performance. Compatibility with various Cummins engine models and its role in engine systems, such as plumbing, turbocharger, and turbocharger oil supply, further highlight the importance of this part in maintaining efficient and reliable truck operations.


  1. Arthur J Caines, Roger F Haycock and John E Hillier, Automotive Lubricants Reference Book, SAE International, 2004.

  2. Michael Hilgers, Transmissions and Drivetrain Design, Springer Vieweg, 2022.

  3. Bruce Maclaurin, High Speed Off-Road Vehicles, Wiley, 2018.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
20.4 x 1.3 x 1.0 in
Weight
0.4 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.