2870348
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$729.95 $868.64

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 2870348 Flexible Hose is a critical component in commercial truck systems, designed to transport various fluids efficiently and reliably. This hose is essential for maintaining the functionality and performance of the truck, especially in systems requiring flexibility and durability.

Basic Concepts of Flexible Hoses

Flexible hoses are used in automotive and heavy-duty truck systems to transport fluids such as coolant, fuel, oil, and hydraulic fluids. They are designed to accommodate movement and vibration, allowing for the connection of rigid components in systems where direct connection is impractical due to the dynamic nature of the vehicle. These hoses are constructed from materials that offer flexibility, durability, and resistance to the specific fluids they transport 1.

Purpose of the 2870348 Flexible Hose

The Cummins 2870348 Flexible Hose plays a specific role in truck operations by connecting various systems and transporting essential fluids. It is used in applications where the hose must withstand high pressure, temperature fluctuations, and exposure to various chemicals. This hose ensures a secure and leak-free connection between components, facilitating the smooth operation of the truck’s systems 2.

Key Features

The Cummins 2870348 Flexible Hose is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials that provide resistance to wear, tear, and chemical degradation. The design includes reinforced layers to withstand high pressure and temperature variations. Additionally, the hose may feature specialized fittings and connectors that ensure a secure and reliable connection to system components 3.

Benefits

The Cummins 2870348 Flexible Hose offers several advantages that contribute to the efficient and safe operation of a truck. Its improved flexibility allows it to accommodate the movement and vibration inherent in vehicle systems. The hose’s resistance to wear and tear ensures longevity, reducing the need for frequent replacements. Enhanced safety and efficiency in fluid transfer are achieved through its robust construction and reliable performance.

Installation Considerations

When installing the Cummins 2870348 Flexible Hose, it is important to follow guidelines and best practices to ensure compatibility with other system components. Proper tools and procedures should be used to make secure connections and prevent leaks. It is also crucial to verify that the hose is correctly routed to avoid abrasion or damage from surrounding components.

Troubleshooting Common Issues

Common problems associated with flexible hoses include leaks and degradation. These issues can often be diagnosed through visual inspection and pressure testing. Resolution may involve repairing or replacing the hose, ensuring that all connections are secure, and addressing any underlying causes of damage, such as abrasion or chemical exposure.

Maintenance Tips

Regular maintenance practices are recommended to ensure the longevity and reliable performance of the Cummins 2870348 Flexible Hose. This includes periodic inspection for signs of wear, tear, or degradation. Care procedures may involve cleaning the hose and ensuring that all connections remain tight and secure. Adhering to manufacturer-recommended inspection schedules can help prevent unexpected failures.

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. The company offers a wide range of products designed to meet the demanding requirements of heavy-duty applications, ensuring reliable performance and efficiency.

Role of Part 2870348 Flexible Hose in Engine Systems

Part 2870348, the Flexible Hose, serves as a vital conduit within various engine systems, facilitating the transfer of fluids and gases essential for engine operation and maintenance. Its application spans across multiple components, ensuring seamless functionality and efficiency.

Fuel System Integration

In the fuel system, the Flexible Hose is employed to connect the fuel filter to the fuel pump, allowing for uninterrupted fuel flow from the float tank to the engine. This hose is also integral in the fuel transfer pump system, where it aids in moving fuel between different compartments or tanks, especially in marine applications where on-board spares are crucial.

Plumbing and Sump Systems

For plumbing applications, particularly in marine environments, the Flexible Hose is used in the fuel system primer to ensure the fuel lines are free of air before engine start-up. It also plays a role in the marine gear oil cooler system, where it helps in circulating oil to and from the cooler, maintaining optimal engine temperature.

In sump pump systems, whether for engine lubricating or scavenge purposes, the Flexible Hose connects the pump to the oil sump or mounting marine sump, ensuring efficient drainage and circulation of lubricants. This is particularly important in preventing engine wear and ensuring longevity.

Accessories and Additional Applications

The Flexible Hose is also found in accessories such as the hand pump kit, where it allows for manual fuel priming or transfer. In mounting applications, it provides a flexible connection between the sump pump and its designated outlet, accommodating the dynamic movements of marine vessels without compromising the integrity of the fluid transfer.

Conclusion

Overall, the Cummins part 2870348 Flexible Hose is a versatile and essential component for various engine models, providing a reliable solution for fluid transfer and system integrity across diverse applications. Its compatibility with engines like the K19, K50, QSM11, and CM570 ensures efficient and safe operation, highlighting its importance in the commercial truck industry.


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

  2. SAE International. (2013). Composite Materials Handbook Volume 4 Metal Matrix Composites. SAE International.

  3. Berns, K., Dressler, K., Fleischmann, P., Grges, D., Kalmar, R., Sauer, B., Stephan, N., Teutsch, R., & Thul, M. (2018). Proceedings of the 5th Commercial Vehicle Technology Symposium CVT. Springer.

SPECIFICATIONS

Package Dimensions
31.0 x 1.0 x 1.0 in
Weight
1.9 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.