3648656
Fuel Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$659.95 $785.34

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

Introduction

The Cummins 3648656 Fuel Hose is a critical component in the fuel delivery system of commercial trucks. It ensures a consistent and reliable supply of fuel from the tank to the engine, which is essential for optimal engine performance and efficiency 2.

Basic Concepts of Fuel Hoses

A fuel hose is a flexible conduit designed to transport fuel within a vehicle’s fuel system. It connects the fuel tank, fuel pump, and engine, facilitating the seamless flow of fuel. Fuel hoses are typically made from materials resistant to fuel and capable of withstanding the pressures and temperatures within the fuel system. Common materials include rubber, reinforced with nylon or polyester, to enhance durability and flexibility 1.

Purpose of the Cummins 3648656 Fuel Hose

This Cummins part is engineered to handle the specific demands of commercial truck engines, ensuring efficient and uninterrupted fuel delivery. Its design and materials are chosen to withstand the rigors of heavy-duty use, contributing to the overall reliability of the truck’s fuel system 2.

Key Features

The Cummins 3648656 Fuel Hose is characterized by its robust design and construction, utilizing materials that offer flexibility and durability. It is engineered to resist the effects of fuel, temperature fluctuations, and mechanical stress. Its reinforced construction provides additional strength and longevity compared to standard fuel hoses, making it effective in the demanding environment of commercial truck operations 2.

Benefits

Utilizing this part offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and uninterrupted fuel supply. The hose’s design reduces the risk of leaks, which can be a common issue with less durable hoses. Its enhanced durability means it can withstand the rigors of heavy-duty use, leading to longer service intervals. Additionally, its compatibility with Cummins engines ensures optimal performance and reliability 2.

Installation Considerations

Proper installation of this Cummins part is vital for its effective operation. Best practices include ensuring the hose is correctly routed to avoid sharp bends or kinks, which could impede fuel flow. The use of appropriate tools and fittings is recommended to secure the hose in place and prevent leaks. Common pitfalls to avoid include over-tightening fittings, which can damage the hose, and not inspecting the hose for any signs of wear or damage before installation 2.

Troubleshooting Common Issues

Common problems associated with fuel hoses include leaks, cracks, and blockages. To address these issues, regular inspections should be conducted to identify any signs of wear or damage. If a leak is detected, the hose should be replaced immediately to prevent fuel loss and potential safety hazards. Cracks or blockages may require cleaning or replacement, depending on the severity of the issue 2.

Maintenance Tips

Regular maintenance of this part is key to ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear, cracks, or leaks. Cleaning the hose and its connections can prevent buildup that may lead to blockages. Replacement guidelines should be followed based on the manufacturer’s recommendations or when signs of significant wear are observed 2.

Safety Precautions

When handling and maintaining fuel hoses, it is important to observe safety measures. This includes proper handling techniques to avoid damage to the hose, the use of personal protective equipment to protect against fuel exposure, and adherence to safety regulations regarding fuel handling and storage. These precautions help ensure the safety of personnel and the integrity of the fuel system 2.

Environmental Considerations

The environmental impact of fuel hoses should be considered, particularly in terms of disposal and recycling. Proper disposal practices help minimize the ecological footprint of these components. Recycling options should be explored to reduce waste and promote sustainability in the automotive industry 2.

Cummins Engine Compatibility with Fuel Hose Part 3648656

The Cummins fuel hose part number 3648656 is designed to be compatible with several of Cummins’ engine models, ensuring a secure and reliable fuel delivery system. This part is integral to the proper functioning of the engines, facilitating the transfer of fuel from the tank to the engine.

QSK45 CM500 and QSK60 CM500

The QSK45 CM500 and QSK60 CM500 engines are part of Cummins’ QSK series, known for their robust performance and reliability in various industrial applications. The fuel hose part 3648656 fits seamlessly into these engines, providing a critical connection in the fuel system. This ensures that the engines receive a consistent and uninterrupted fuel supply, which is essential for maintaining optimal performance and efficiency 2.

QSK60G

The QSK60G engine, another member of the QSK series, also utilizes the fuel hose part 3648656. This engine is designed for heavy-duty applications, and the compatibility with the specified fuel hose part is crucial for its operation. The hose’s design ensures that it can withstand the rigors of demanding environments, providing durability and reliability over time 2.

Role of Part 3648656 Fuel Hose in Engine Systems

This part is integral to the efficient operation of engine systems, particularly in the context of plumbing and the Engine Control Module (ECM).

In the realm of plumbing, the fuel hose serves as a vital conduit that facilitates the smooth and consistent flow of fuel from the fuel tank to the engine. This ensures that the engine receives a steady supply of fuel, which is essential for maintaining optimal performance and efficiency. The hose’s design and material are engineered to withstand the pressures and temperatures associated with fuel transport, thereby contributing to the reliability of the fuel delivery system 2.

Regarding the Engine Control Module (ECM), the fuel hose indirectly supports its function by ensuring that the engine operates within the parameters set by the ECM. The ECM relies on consistent fuel delivery to regulate engine performance, manage emissions, and optimize fuel efficiency. Any disruption in fuel flow can lead to inaccurate readings and adjustments by the ECM, potentially resulting in decreased engine performance and increased emissions. Therefore, the fuel hose plays a supporting role in maintaining the ECM’s ability to effectively manage engine operations 2.

Conclusion

The Cummins 3648656 Fuel Hose is a vital component in the fuel delivery system of commercial trucks, ensuring a consistent and reliable supply of fuel to the engine. Its robust design, durability, and compatibility with Cummins engines make it an essential part for maintaining optimal engine performance and efficiency. Proper installation, regular maintenance, and adherence to safety precautions are crucial for the effective operation of this part. Additionally, considering environmental impacts through proper disposal and recycling practices contributes to sustainability in the automotive industry.


  1. Fischer, R., Kucukay, F., Jurgens, G., Najork, R., & Pollak, B. (2015). The Automotive Transmission Book Powertrain. Springer.

  2. Bonnick, A. (2004). A Practical Approach to Motor Vehicle Engineering and Maintenance. Elsevier.

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SPECIFICATIONS

Package Dimensions
79.0 x 19.0 x 4.0 in
Weight
0.983 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.