5268398
Molded Hose
Cummins®

AVAILABLE

Cummins®

2 are currently available

Ships within 2-4 business days

$59.95 $71.34

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 5268398 Molded Hose, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the industry, produces a range of parts that contribute to the efficiency and reliability of heavy-duty trucks. This Cummins part is significant in maintaining the fluid transfer systems within these vehicles, ensuring they operate smoothly and efficiently.

Basic Concepts of Molded Hoses

Molded hoses are specialized components used in fluid transfer systems. They are constructed by molding synthetic or natural rubber around a textile or wire reinforcement, which provides strength and flexibility. These hoses are designed to withstand high pressures and temperatures, making them suitable for various applications within automotive and heavy-duty truck systems. Their function is to transport fluids such as coolant, fuel, or hydraulic fluid between different parts of the vehicle 1.

Purpose of the 5268398 Molded Hose

This part plays a role in the fluid transfer systems of a truck. It is designed to transport specific fluids within the truck’s systems, contributing to the overall operation and performance of the vehicle. This hose is integral to systems that require reliable fluid transfer, ensuring that the truck operates efficiently under various conditions.

Key Features

The 5268398 incorporates specific design elements and materials that enhance its performance and durability. It is constructed using high-quality synthetic rubber for the outer layer, providing resistance to wear and environmental factors. The inner layer is reinforced with textile or wire, offering the necessary strength to withstand high pressures. These features contribute to the hose’s longevity and reliability in demanding applications.

Benefits

This Cummins part offers several advantages. Its design ensures improved reliability in fluid transfer systems, reducing the likelihood of leaks or failures. The materials used provide resistance to wear and tear, enhancing the hose’s durability. Additionally, its compatibility with truck systems ensures seamless integration and optimal performance.

Installation Considerations

Proper installation of the 5268398 is crucial for its performance and longevity. Best practices include ensuring a secure fit within the system, avoiding kinks or sharp bends that could compromise the hose’s integrity, and checking for any signs of damage before installation. Potential challenges may include fitting the hose in tight spaces or ensuring compatibility with existing system components.

Troubleshooting Common Issues

Frequent problems associated with molded hoses can include leaks, cracks, or blockages. Diagnosing these issues involves inspecting the hose for visible signs of damage, checking for proper fit within the system, and ensuring there are no obstructions in the fluid flow. Resolving these issues may require replacing the hose, adjusting its fit, or cleaning the system to remove blockages.

Maintenance Tips

Regular maintenance of the 5268398 is key to ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear or damage, checking for proper fit and alignment within the system, and ensuring there are no leaks. Additionally, keeping the hose clean and free from debris can help prevent blockages and ensure efficient fluid transfer.

Cummins: A Brief Overview

Cummins is a renowned manufacturer in the commercial truck industry, known for its wide range of products that contribute to the efficiency and reliability of heavy-duty vehicles. With a history of innovation and quality, Cummins has established a strong reputation for producing parts that meet the demanding requirements of commercial truck operations. Their product range includes engines, filtration systems, and various components designed to enhance vehicle performance 2.

Cummins Engine Compatibility with Molded Hose Part 5268398

The molded hose part 5268398, manufactured by Cummins, is designed to integrate seamlessly with specific Cummins engine models. This hose is an essential component for maintaining the integrity of the engine’s cooling and fuel systems, ensuring optimal performance and longevity.

QSB5.9 CM850 Engines

The molded hose part 5268398 is specifically engineered to fit within the QSB5.9 CM850 engine series. This engine model is renowned for its robust construction and reliability, making it a popular choice in various industrial and commercial applications. The hose’s design ensures a secure and leak-proof connection, which is crucial for the engine’s operational efficiency.

Grouping of Compatible Engines

While the molded hose part 5268398 is explicitly designed for the QSB5.9 CM850 engines, it is also compatible with other Cummins engine models within the same series. This compatibility extends to engines that share similar design and operational characteristics, ensuring that the hose can be used across multiple models without compromising performance.

Importance of Proper Fitment

Ensuring that the molded hose part 5268398 is correctly fitted is vital for the engine’s overall health. Proper fitment prevents leaks, maintains system pressures, and supports the engine’s cooling and fuel delivery systems. This part’s precision engineering guarantees that it will perform reliably under various operating conditions, contributing to the engine’s durability and efficiency.

Role of Part 5268398 Molded Hose in Engine Systems

In the context of engine systems, the Molded Hose is integral to the efficient operation of several key components.

Fuel System Integration

The Molded Hose is employed within the fuel system to facilitate the secure and reliable transfer of fuel from the tank to the engine. It ensures that fuel is delivered under pressure without leaks, maintaining the integrity of the fuel supply. This component is often connected to the fuel pump and fuel injectors, playing a significant role in the precise delivery of fuel required for combustion.

Fuel Cooler Application

In systems where a fuel cooler is utilized, the Molded Hose is responsible for transporting fuel to and from the cooler. The fuel cooler is designed to reduce the temperature of the fuel, which can become heated during operation. By maintaining optimal fuel temperature, the cooler enhances engine performance and efficiency. The Molded Hose ensures a consistent flow of fuel through the cooler, contributing to the overall stability of the fuel system.

Engine Cooler Systems

The Molded Hose also serves a function within engine cooler systems, where it is used to circulate coolant or other fluids that help regulate engine temperature. Efficient circulation of these fluids is essential for preventing overheating and ensuring that the engine operates within its designed temperature range. The hose’s durable construction is vital for withstanding the pressures and temperatures associated with engine cooling systems.

Conclusion

In summary, the 5268398 Molded Hose is a versatile component that supports the functionality of fuel and cooling systems within engine operations. Its role in these systems underscores the importance of reliable fluid transfer in maintaining engine performance and longevity.


  1. Limpert, Rudolf. Brake Design and Safety, Third Edition. SAE International, 2011.

  2. Boyce, Meherwan P. Gas Turbine Engineering Handbook 4th Edition. Butterworth-Heinemann, 2011.

SPECIFICATIONS

Package Dimensions
13.0 x 2.375 x 2.375 in
Weight
0.75 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.