5374534
Fuel Supply Tube
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 5374534 Fuel Supply Tube is a component designed for use in the fuel systems of heavy-duty trucks. Its purpose is to facilitate the delivery of fuel from the tank to the engine, ensuring that the engine receives a consistent and reliable supply of fuel. This component is significant within the fuel system as it contributes to the efficient and effective operation of the truck’s engine.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube is a conduit that transports fuel from the fuel tank to the engine. Within the fuel system, it plays a role by ensuring that fuel is delivered under the correct pressure and in the right quantity to meet the engine’s demands. The proper function of a fuel supply tube is integral to the overall operation of a truck’s engine, as it directly affects the engine’s performance and efficiency.

Purpose of the Cummins 5374534 Fuel Supply Tube

The Cummins 5374534 Fuel Supply Tube is designed to play a role in the fuel delivery system by providing a pathway for fuel to travel from the tank to the engine. It ensures a consistent fuel supply, which is necessary for the engine to operate smoothly and efficiently. This component is engineered to withstand the pressures and conditions within the fuel system, contributing to the reliable performance of the engine.

Key Features

The Cummins 5374534 Fuel Supply Tube is characterized by several primary features that enhance its performance and durability. These include its material composition, which is selected to resist corrosion and wear, and its design elements, which are tailored to ensure a secure fit and efficient fuel flow. Unique characteristics of this tube may include reinforced sections to handle high pressure and specialized coatings to prevent fuel degradation 1.

Benefits of Using the Cummins 5374534 Fuel Supply Tube

Utilizing the Cummins 5374534 Fuel Supply Tube offers several advantages. These include improved fuel efficiency due to its precise design, which minimizes fuel loss and ensures optimal delivery. The tube’s reliability is enhanced by its robust construction, which contributes to its longevity. Compared to other fuel supply components, the Cummins tube may provide a more consistent and dependable fuel supply to the engine 2.

Installation and Integration

When installing the Cummins 5374534 Fuel Supply Tube, it is important to follow specific steps and considerations to ensure proper integration with the truck’s fuel system. Compatibility with various truck models should be verified, and the tube should be integrated with existing fuel system components according to manufacturer guidelines. Careful attention to these details will help ensure the tube functions correctly within the system.

Maintenance and Troubleshooting

Maintaining the Cummins 5374534 Fuel Supply Tube involves regular inspections and adherence to maintenance schedules to prevent issues and ensure optimal performance. Common problems that may arise include leaks or blockages, which can be addressed through troubleshooting techniques such as checking connections and cleaning the tube. Proper maintenance will contribute to the tube’s longevity and the overall efficiency of the fuel system.

Safety Considerations

When working with the fuel supply system and the Cummins 5374534 Fuel Supply Tube, it is important to observe safety practices and precautions. This includes handling fuel with care to avoid spills and ensuring that maintenance tasks are performed in a well-ventilated area. Adhering to these safety measures will help protect both the technician and the equipment during maintenance and repair procedures.

Cummins Overview

Cummins Inc. is a well-established company with a history of providing quality products in the automotive and heavy-duty truck industry. The company offers a wide range of products, including engines, filtration, emissions solutions, and power generation equipment. Cummins is recognized for its commitment to innovation, quality, and customer satisfaction, which has earned it a reputable position in the industry.

Cummins Fuel Supply Tube 5374534 Compatibility

The Cummins Fuel Supply Tube part number 5374534 is designed to fit seamlessly within the Cummins QSK50 CM2350 K108 and QSK60 CM850 MCRS engines. This part is integral to the engine’s fuel delivery system, ensuring efficient and reliable fuel flow from the fuel tank to the engine’s fuel injection system.

For the Cummins QSK50 CM2350 K108 engine, the 5374534 Fuel Supply Tube is engineered to meet the specific requirements of this engine model. It ensures that the fuel supply is consistent and uninterrupted, which is crucial for maintaining optimal engine performance and efficiency.

Similarly, for the Cummins QSK60 CM850 MCRS engine, the 5374534 Fuel Supply Tube is tailored to fit perfectly within the engine’s design. This ensures that the fuel supply system operates smoothly, contributing to the engine’s overall reliability and performance.

Both engines benefit from the precision engineering of the 5374534 Fuel Supply Tube, which is designed to withstand the rigors of heavy-duty operation and provide long-lasting durability. This part is a critical component in maintaining the integrity of the fuel delivery system, ensuring that the engines perform at their best under various operating conditions.

Role of Part 5374534 Fuel Supply Tube in Engine Systems

The part 5374534 Fuel Supply Tube is a component in the fuel delivery system of an engine. It serves as a conduit that facilitates the smooth and efficient transfer of fuel from the fuel pump to the engine’s fuel injectors or carburetor.

Integration with the Fuel Pump

The Fuel Supply Tube connects directly to the fuel pump, which is responsible for drawing fuel from the tank and pressurizing it to the required levels. This tube ensures that the pressurized fuel is delivered efficiently to the next stage of the fuel system without any significant loss of pressure or fuel leakage. The secure fitting of the tube to the pump is vital for maintaining the integrity of the fuel delivery process.

Connection to the Fuel Injectors

In modern engines equipped with fuel injection systems, the Fuel Supply Tube plays a role in delivering fuel to the fuel injectors. The tube is designed to withstand the high pressures generated by the fuel pump, ensuring that fuel is consistently available to the injectors. This consistent supply allows the injectors to atomize the fuel properly, leading to efficient combustion within the engine cylinders.

Interaction with the Carburetor in Older Engines

For engines utilizing a carburetor, the Fuel Supply Tube is responsible for delivering fuel from the pump to the carburetor. The tube must be capable of handling the fuel flow rates required by the carburetor to ensure optimal engine performance. The precise delivery of fuel to the carburetor is essential for the correct air-fuel mixture, which is critical for the engine’s operation.

Ensuring Fuel System Efficiency

The design and material of the Fuel Supply Tube are selected to minimize fuel degradation and prevent the formation of deposits that could clog the tube or the fuel filter. This ensures that the fuel reaching the engine components is clean and of the correct specification, contributing to the overall efficiency and reliability of the engine.

Maintenance and Inspection

Regular inspection of the Fuel Supply Tube is recommended to check for any signs of wear, corrosion, or fuel leaks. Ensuring the tube is in good condition is important for the continued efficient operation of the fuel system and the engine as a whole.

Conclusion

The Cummins 5374534 Fuel Supply Tube is a critical component in the fuel delivery system of heavy-duty trucks, ensuring efficient and reliable fuel flow from the tank to the engine. Its robust design, compatibility with specific engine models, and role in maintaining fuel system efficiency make it a valuable part for ensuring optimal engine performance and longevity.


  1. Composite Materials Handbook Volume 4 Metal Matrix Composites, SAE International, 2013

  2. Troubleshooting and Repairing Diesel Engines, 5th Edition, Paul Dempsey, McGraw-Hill, 2018

SPECIFICATIONS

Package Dimensions
17.0 x 11.5 x 3.5 in
Weight
0.252 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.