3648791
Molded Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$479.95 $571.14

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 3648791 Molded Hose is a component designed for use in commercial trucks. It serves a specific function within the truck’s system, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and significance is key to maintaining the optimal performance of commercial trucks.

Basic Concepts of Molded Hoses

Molded hoses are specialized components used in various automotive systems. They are manufactured through a process that involves molding synthetic materials around a reinforcement core, resulting in a hose that is both flexible and durable. These hoses are commonly used in automotive applications to transport fluids such as coolant, fuel, and air, due to their ability to withstand high pressures and temperatures 1.

Purpose of the 3648791 Molded Hose

The Cummins 3648791 Molded Hose plays a role in the operation of a truck by connecting specific systems and transporting fluids between them. It is designed to facilitate the flow of fluids under varying conditions, ensuring that the truck’s systems operate efficiently. The hose is integral to maintaining the fluid dynamics within the truck, contributing to its overall performance.

Key Features

The Cummins 3648791 Molded Hose is characterized by several key features that enhance its performance. These include its material composition, which is designed to resist wear and tear, and its precise design elements that ensure a secure fit within the truck’s system. Additionally, the hose may possess unique characteristics that further improve its functionality, such as reinforced sections for added strength in high-stress areas.

Benefits

The advantages provided by the Cummins 3648791 Molded Hose include its durability, which allows it to withstand the rigors of commercial truck operation. It is also resistant to high pressures and temperatures, making it suitable for use in demanding environments. Compared to other hose types, the 3648791 Molded Hose offers enhanced longevity, reducing the need for frequent replacements 2.

Installation Considerations

When installing the Cummins 3648791 Molded Hose, it is important to follow guidelines and best practices to ensure proper fitting and function. This may involve using specific tools or procedures to secure the hose in place and verify that it is correctly aligned with the systems it connects. Proper installation is key to preventing leaks and ensuring the hose operates as intended.

Troubleshooting Common Issues

Common problems that may arise with the Cummins 3648791 Molded Hose include leaks or degradation over time. Troubleshooting these issues involves identifying the source of the problem, whether it be a faulty connection or wear on the hose itself. Suggested steps to address these issues may include inspecting the hose for signs of damage, ensuring connections are secure, and replacing the hose if necessary.

Maintenance Tips

To prolong the life of the Cummins 3648791 Molded Hose, regular maintenance practices are recommended. This includes inspecting the hose at specified intervals for signs of wear or damage. Recognizing the signs that indicate a need for replacement, such as cracks or leaks, is crucial for maintaining the integrity of the truck’s fluid systems.

Cummins Corporation

Cummins Inc. is a well-established company in the commercial truck industry, known for its wide range of products and strong reputation. With a history of innovation and quality, Cummins provides solutions that enhance the performance and reliability of commercial vehicles. The company’s commitment to excellence is reflected in its product offerings, including the Cummins 3648791 Molded Hose.

Cummins Molded Hose Part 3648791 Compatibility

The Cummins molded hose part 3648791 is designed to integrate seamlessly with a variety of Cummins engines, ensuring optimal performance and reliability. This hose is engineered to meet the stringent requirements of the QSK50, CM2350, and K108 engines, providing a critical connection in the engine’s fluid systems.

For the QSK50 engine, the molded hose part 3648791 is essential in maintaining the integrity of the engine’s cooling system. Its precise fit and durable construction ensure that the coolant flows efficiently, preventing overheating and maintaining the engine’s operational efficiency.

In the CM2350 engine, this hose plays a pivotal role in the fuel delivery system. Its compatibility with the CM2350 ensures that fuel is delivered to the engine components without leaks or disruptions, which is crucial for maintaining the engine’s performance and longevity.

The K108 engine also benefits from the molded hose part 3648791, particularly in its lubrication system. This hose ensures that the engine’s moving parts are adequately lubricated, reducing wear and tear and extending the engine’s lifespan.

Overall, the molded hose part 3648791 is a critical component for the QSK50, CM2350, and K108 engines, providing essential connections that support the engine’s various systems. Its compatibility with these engines underscores Cummins’ commitment to quality and reliability in engine components.

Role of Part 3648791 Molded Hose in Engine Systems

Arrangement

Part 3648791, the Molded Hose, is integral to the arrangement of various engine components. It facilitates the efficient routing of fluids and gases between different parts of the engine. This hose ensures that connections are secure and that the flow paths are optimized, which is essential for maintaining the engine’s performance and reliability. The precise arrangement enabled by this hose helps in reducing the risk of leaks and ensures that all components operate within their designed parameters.

Crankcase Breather

In the context of the crankcase breather system, Part 3648791 Molded Hose plays a significant role. It connects the crankcase to the breather system, allowing for the release of pressure built up within the crankcase. This is vital for maintaining the integrity of the engine’s internal components. The hose ensures that any contaminants or moisture are effectively vented, preventing buildup that could lead to sludge formation or other detrimental effects on engine performance. Additionally, it helps in maintaining a balanced pressure environment, which is essential for the efficient operation of the pistons and other moving parts within the crankcase 3.

Conclusion

The Cummins 3648791 Molded Hose is a vital component in the operation of commercial trucks, particularly in the context of Cummins engines. Its design and features contribute to the efficient and reliable operation of the truck’s fluid systems. Proper installation, maintenance, and troubleshooting are essential to ensure the longevity and performance of this part. Cummins’ commitment to quality is evident in the design and functionality of the 3648791 Molded Hose, making it a reliable choice for commercial truck applications.


  1. Randall, Martynn. Haynes Manual on Diesel Engines. Haynes Publishing, 2015.

  2. Reif, Konrad. Gasoline Engine Management Systems and Components. Springer Vieweg, 2015.

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

SPECIFICATIONS

Package Dimensions
85.5 x 69.0 x 5.0 in
Weight
1.457 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.