4381248
Flexible Hose
Cummins®

AVAILABLE

Cummins®

8 are currently available

Ships within 2-4 business days

$189.95 $226.04

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 4381248 Flexible Hose is a specialized component designed for use in commercial truck systems. It serves as a vital link in various fluid transport systems within these vehicles, ensuring efficient and reliable operation. This hose is engineered to withstand the demanding conditions encountered in heavy-duty applications, providing a flexible yet durable solution for connecting different parts of the truck’s systems 1.

Basic Concepts of Flexible Hoses

Flexible hoses are components used in automotive and industrial systems to transport fluids such as coolant, fuel, oil, and air. They are designed to offer flexibility, allowing them to bend and move with the components they connect, which is particularly important in dynamic environments like those found in commercial trucks. Flexible hoses function by providing a secure, leak-resistant pathway for fluids, accommodating movement and vibration without compromising the integrity of the system 2.

Purpose of the Cummins 4381248 Flexible Hose

This Cummins part plays a specific role in the operation of commercial trucks by connecting various systems and transporting essential fluids. It is commonly used in applications where rigid hoses would be impractical due to the need for flexibility and movement. This hose may connect components in the engine cooling system, fuel system, or other fluid transport systems, ensuring that fluids are delivered efficiently and reliably under varying conditions 3.

Key Features

The Cummins 4381248 Flexible Hose is characterized by several key features that enhance its performance and longevity. It is constructed from high-quality materials that offer excellent resistance to wear, corrosion, and temperature extremes. The hose’s flexibility allows it to accommodate movement and vibration, reducing stress on connections and improving system reliability. Additionally, its design includes reinforced ends and secure fitting mechanisms to ensure a tight, leak-resistant seal.

Benefits

Using this part offers several advantages. Its flexibility and durability contribute to improved system reliability, reducing the risk of leaks and system failures. Compared to rigid hoses, this flexible hose can better accommodate the dynamic movements and vibrations encountered in commercial truck applications, leading to enhanced durability and a longer service life. Additionally, its design helps to minimize maintenance requirements and downtime.

Installation Considerations

When installing the Cummins 4381248 Flexible Hose, it is important to follow guidelines and best practices to ensure proper fitting and secure connections. This includes selecting the correct size and type of fittings, ensuring that the hose is not kinked or twisted during installation, and using appropriate securing methods to maintain tension and alignment. Compatibility with existing systems should also be verified to ensure optimal performance and reliability.

Troubleshooting and Maintenance

Common issues with flexible hoses may include leaks, wear, and degradation over time. Regular inspection for signs of damage, such as cracks, bulges, or soft spots, is important for identifying potential problems early. Maintenance tips to prolong the lifespan of the hose include keeping it clean, avoiding kinks and sharp bends, and replacing it according to the manufacturer’s recommendations or when signs of wear are detected.

Safety Precautions

When working with the Cummins 4381248 Flexible Hose, it is important to observe safety measures to ensure safe handling and operation. This includes adhering to pressure ratings and environmental considerations specified by the manufacturer. Proper handling procedures should be followed to avoid damage to the hose during installation or maintenance. Additionally, ensuring that all connections are secure and leak-free is crucial for safe operation.

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 is committed to quality, innovation, and customer satisfaction. The company offers a wide range of products and services for various industries, including automotive, construction, agriculture, and power generation, demonstrating its expertise and leadership in the field.

Cummins Engine Part 4381248: Flexible Hose Compatibility

The Cummins part 4381248, a Flexible Hose, is designed to fit seamlessly within a range of Cummins engines, ensuring optimal performance and reliability. This part is engineered to meet the stringent demands of the engines it supports, providing a durable and flexible connection that can withstand the rigors of continuous operation.

QSK45 CM500 and QSK60 CM500

The Flexible Hose part 4381248 is compatible with both the QSK45 CM500 and QSK60 CM500 engines. These engines are known for their robust construction and high power output, making them suitable for a variety of heavy-duty applications. The hose’s design allows it to connect various fluid systems within these engines, ensuring that the necessary fluids are transported efficiently and without leaks.

QSK60 CM850 MCRS

The QSK60 CM850 MCRS engine, which is part of the Cummins QSK series, also benefits from the use of the part 4381248 Flexible Hose. This engine is equipped with advanced features and technologies that enhance its performance and efficiency. The hose’s flexibility and durability make it an ideal component for this engine, providing a reliable connection that can endure the demanding conditions of its operation.

By integrating the part 4381248 Flexible Hose into these engines, Cummins ensures that the fluid systems remain intact and operational, contributing to the overall reliability and longevity of the engines. This compatibility highlights Cummins’ commitment to providing high-quality components that enhance the performance and durability of their engines.

Role of Part 4381248 Flexible Hose in Engine Systems

The part 4381248 Flexible Hose is an essential component in the auxiliary cooling system of an engine. This hose facilitates the transfer of coolant between the engine and the auxiliary cooling components, ensuring efficient heat dissipation and maintaining optimal operating temperatures.

In the auxiliary cooling system, the flexible hose connects the engine’s cooling circuit to the auxiliary cooler. This setup allows for additional cooling capacity, particularly under high-stress conditions or in environments where the primary cooling system may be insufficient. The hose’s flexibility accommodates the dynamic movements and vibrations inherent in engine operation, preventing stress-related failures.

Additionally, the hose plays a role in directing coolant flow to and from the auxiliary cooler, which may include components such as the transmission cooler or power steering cooler. This ensures that these systems receive adequately cooled fluid, enhancing their performance and longevity.

The integration of part 4381248 within these systems underscores its importance in maintaining the overall efficiency and reliability of the engine and its auxiliary components.

Conclusion

The Cummins 4381248 Flexible Hose is a critical component in the fluid transport systems of commercial trucks and Cummins engines. Its design and features ensure efficient, reliable, and durable fluid transfer, accommodating the dynamic conditions of heavy-duty applications. Proper installation, maintenance, and adherence to safety precautions are essential for maximizing the performance and longevity of this part.


  1. Awari, G.K., Kumbhar, V.S., & Tirpude, R.B. (2011). Automotive Systems Principles and Practice. CRC Press.

  2. Williams, D. (2022). Generalized Vehicle Dynamics. SAE International.

  3. Cummins Inc. (n.d.). General Information. Bulletin Number 3666117: Operation and Maintenance Manual.

SPECIFICATIONS

Package Dimensions
36.0 x 5.0 x 2.0 in
Weight
0.171 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.