3650069
Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

6 are currently available

Ships within 2-4 business days

$489.95 $583.04

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

Introduction

The Fuel Supply Tube 3650069 by Cummins is a component designed for use in the fuel systems of heavy-duty trucks. Manufactured by Cummins Inc., a well-established name in the automotive and heavy-duty truck industry, this fuel supply tube is integral to ensuring efficient and reliable fuel delivery to the engine 1.

Purpose and Function

The Fuel Supply Tube 3650069 plays a role in the fuel delivery system by facilitating the transfer of fuel from the tank to the engine. It ensures a consistent and uninterrupted flow of fuel, which is vital for the engine’s performance and efficiency. The tube is engineered to withstand the pressures and conditions within the fuel system, providing a reliable pathway for fuel to reach the engine components that require it 2.

Key Features

The design and construction of the Fuel Supply Tube 3650069 include several features that enhance its performance and durability. It is made from materials that are resistant to corrosion and wear, ensuring longevity even in demanding operating environments. The tube’s construction is robust, allowing it to maintain integrity under high pressure and temperature conditions typical of heavy-duty truck engines. Additionally, the tube is designed with precision to ensure a secure fit within the fuel system, minimizing the risk of leaks and ensuring efficient fuel delivery 3.

Benefits

The Fuel Supply Tube 3650069 offers several advantages. Its design contributes to improved fuel efficiency by ensuring a smooth and consistent flow of fuel to the engine. The tube’s reliability is enhanced by its durable construction, which reduces the likelihood of failures or leaks. Furthermore, it is specifically engineered to be compatible with Cummins engines, ensuring optimal performance and integration within the fuel system.

Installation and Compatibility

For the proper installation of the Fuel Supply Tube 3650069, it is important to follow manufacturer guidelines to ensure optimal performance. This includes verifying that all connections are secure and that the tube is correctly positioned within the fuel system. Compatibility with specific engine models and systems should be confirmed prior to installation to ensure the tube functions as intended within the vehicle’s fuel delivery system.

Maintenance and Troubleshooting

To ensure the longevity and efficient operation of the Fuel Supply Tube 3650069, regular maintenance is recommended. This includes inspecting the tube for signs of wear or damage and ensuring all connections remain secure. Common issues that may arise include leaks or blockages within the tube, which can be addressed by cleaning or replacing the affected section as necessary. Regular checks and maintenance can help prevent more serious problems and ensure the fuel system operates efficiently.

Safety Considerations

When handling and working with the Fuel Supply Tube 3650069, it is important to observe safety practices and precautions. This includes proper handling of fuel, which is flammable, and being aware of system pressures when working with the fuel delivery system. Ensuring that the work area is well-ventilated and free from ignition sources is also crucial when performing maintenance or repairs on the fuel system.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a history of innovation and quality, Cummins has established a strong reputation in the automotive and heavy-duty truck industry. The company’s product range is designed to meet the demanding requirements of various applications, ensuring reliability, efficiency, and performance.

Cummins Engine Compatibility with Fuel Supply Tube Part 3650069

The Cummins Fuel Supply Tube part number 3650069 is a critical component in the fuel system of various Cummins engines. This part is designed to ensure the efficient and reliable transfer of fuel from the fuel tank to the engine’s fuel injection system. Below is a detailed description of how this part fits with specific Cummins engines.

QSK78 Series

The QSK78 series engines, which are part of Cummins’ QSK line, are known for their robust design and high performance. These engines are commonly used in heavy-duty applications such as marine, rail, and power generation. The Fuel Supply Tube part 3650069 is integral to the QSK78 series, ensuring that fuel is delivered consistently and accurately to the engine’s injectors. This part is engineered to withstand the demanding conditions these engines operate under, providing durability and reliability.

CM500 Series

The CM500 series engines are another example of Cummins’ commitment to quality and performance. These engines are designed for use in a variety of applications, including industrial and marine environments. The Fuel Supply Tube part 3650069 is a key component in the CM500 series, facilitating the smooth and uninterrupted flow of fuel. This part is designed to meet the stringent requirements of these engines, ensuring optimal performance and longevity.

Grouping of Engines

The Cummins Fuel Supply Tube part 3650069 is compatible with both the QSK78 and CM500 series engines. These engines, while differing in their specific applications and configurations, share a common need for reliable fuel delivery. The part’s design ensures that it fits seamlessly into the fuel systems of these engines, providing a secure and efficient connection. This compatibility allows for easier maintenance and replacement, as the same part can be used across multiple engine models, simplifying inventory management and reducing downtime.

Role of Part 3650069 Fuel Supply Tube in Engine Systems

The Part 3650069 Fuel Supply Tube is an essential component in the fuel delivery system of various engine setups. Its primary function is to transport fuel from the fuel tank to the engine’s fuel injection system or carburetor. This ensures a consistent and reliable fuel supply, which is fundamental for the engine’s operation.

In modern engines equipped with fuel injection systems, the Fuel Supply Tube works in conjunction with the fuel pump, fuel filter, and fuel injectors. The fuel pump draws fuel from the tank and sends it through the Fuel Supply Tube to the fuel filter, where impurities are removed. The clean fuel then travels to the fuel injectors, which atomize it into the combustion chambers in a precise manner, optimizing engine performance and efficiency.

For engines utilizing a carburetor, the Fuel Supply Tube delivers fuel to the carburetor, where it is mixed with air before entering the combustion chambers. This mixture is vital for the engine’s combustion process, directly influencing its power output and overall performance.

The consistent fuel supply provided by the Fuel Supply Tube also impacts the Camshaft’s operation. The camshaft controls the opening and closing of the engine’s valves, timing the intake of air-fuel mixture and the exhaust of combustion gases. A stable fuel supply ensures that the air-fuel mixture remains consistent, allowing the camshaft to operate efficiently and maintain optimal valve timing.

In terms of Parts and Performance, the Fuel Supply Tube plays a significant role. Any restriction or failure in the fuel supply line can lead to inadequate fuel delivery, resulting in poor engine performance, decreased fuel efficiency, and potential engine damage. Therefore, the integrity and proper functioning of the Fuel Supply Tube are essential for maintaining the engine’s performance and longevity.

Conclusion

The Fuel Supply Tube 3650069 by Cummins is a vital component in the fuel delivery system of heavy-duty trucks, ensuring efficient and reliable fuel transfer to the engine. Its robust design, compatibility with various Cummins engines, and the importance of regular maintenance highlight the critical role this part plays in engine performance and longevity.


  1. Hilgers, Michael. Chassis and Axles. Springer Vieweg, 2023.

  2. Nunney, MJ. Light and Heavy Vehicle Technology, Fourth Edition. Butterworth-Heinemann, 2007.

  3. Hilgers, Michael. The Diesel Engine Second Edition. Springer Nature, 2023.

SPECIFICATIONS

Package Dimensions
20.47 x 4.33 x 1.18 in
Weight
0.53 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.