5312315
Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$43.95 $52.30

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 5312315 Fuel Supply Tube is a component designed for use in the fuel systems of heavy-duty trucks. It facilitates the delivery of fuel from the tank to the engine, ensuring a consistent and reliable fuel supply. This part is integral to the efficient operation of diesel engines, particularly those manufactured by Cummins.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube is a conduit within the fuel system that transports fuel from the storage tank to the engine. It provides a pathway for fuel to travel, ensuring that the engine has a continuous supply necessary for combustion. The tube contributes to the overall operation of a diesel engine by maintaining fuel pressure and flow, which are essential for engine performance and efficiency 1.

Purpose of the Cummins 5312315 Fuel Supply Tube

The Cummins 5312315 Fuel Supply Tube ensures a steady flow of fuel to the engine. It is designed to withstand the pressures and conditions within the fuel system, providing a reliable connection between the fuel tank and the engine’s fuel injection system. This consistent fuel supply is vital for the engine’s combustion process, directly influencing the engine’s performance and efficiency 2.

Key Features

The Cummins 5312315 Fuel Supply Tube is constructed from materials that offer durability and resistance to the corrosive effects of diesel fuel. Its design includes features that enhance its performance, such as reinforced connections to prevent leaks and a smooth interior to ensure efficient fuel flow. These characteristics contribute to the tube’s longevity and reliability in demanding applications 3.

Benefits of Using the Cummins 5312315 Fuel Supply Tube

Utilizing this Cummins part offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and unimpeded fuel supply to the engine. The tube’s reliable construction and design enhance the overall reliability of the fuel system. Additionally, its compatibility with Cummins engines ensures optimal performance and integration within the engine’s fuel system.

Installation and Compatibility

Proper installation of the Cummins 5312315 Fuel Supply Tube involves following manufacturer guidelines to ensure a secure and leak-free connection. It is important to consider specific requirements or considerations for installation, such as torque specifications for fittings and the use of compatible sealants. The tube is designed for use with specific Cummins engine models, ensuring compatibility and optimal performance within these systems.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 5312315 Fuel Supply Tube is recommended to ensure its longevity and optimal performance. This includes inspecting the tube for signs of wear, checking connections for leaks, and ensuring that the fuel system is free of contaminants. Common issues that may arise include leaks at connections or blockages within the tube, which can be addressed through proper troubleshooting steps such as tightening connections or cleaning the fuel system.

Safety Considerations

When handling, installing, or maintaining the Cummins 5312315 Fuel Supply Tube, it is important to observe safety guidelines and precautions. This includes working in a well-ventilated area, wearing appropriate personal protective equipment, and ensuring that the fuel system is depressurized before beginning any work. These precautions help prevent accidents and ensure safe operation of the fuel system.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel engines and related components. With a history of innovation and a commitment to quality, Cummins has established a reputation for producing reliable and efficient engines and components. The company’s focus on research and development ensures that its products, including the Cummins 5312315 Fuel Supply Tube, meet the high standards required for heavy-duty applications.

Cummins Engine Compatibility with Fuel Supply Tube Part 5312315

The Cummins Fuel Supply Tube part number 5312315 is designed to integrate seamlessly with a range of Cummins engines, ensuring efficient fuel delivery and system integrity. This part is engineered to fit within the engine architecture of the ISB5.9 CM2880 and B127 models, providing a critical link in the fuel supply chain.

For the ISB5.9 CM2880 engine, the Fuel Supply Tube part 5312315 is meticulously crafted to align with the engine’s fuel system specifications. It ensures that fuel is delivered from the fuel pump to the injectors with minimal resistance, maintaining optimal engine performance.

Similarly, the B127 engine benefits from the precise engineering of the 5312315 Fuel Supply Tube. This part is tailored to fit the unique design of the B127, ensuring that the fuel supply system operates smoothly and efficiently. The tube’s design accommodates the specific routing and connection points required by the B127 engine, facilitating a reliable fuel flow.

Both engines, ISB5.9 CM2880 and B127, rely on the 5312315 Fuel Supply Tube to maintain the integrity of their fuel systems. This part is essential for ensuring that the engines receive the correct amount of fuel at the right pressure, which is crucial for performance and longevity. The compatibility of this part with these engines underscores Cummins’ commitment to providing high-quality, reliable components for their engines.

Role of Part 5312315 Fuel Supply Tube in Engine Systems

The Part 5312315 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 fuel injectors or carburetor, ensuring a consistent and reliable fuel supply for combustion.

Integration with Fuel System Components

  1. Fuel Tank: The Fuel Supply Tube connects directly to the fuel tank, where it draws fuel through a pickup tube. This connection is typically secured with a fitting that prevents leaks and ensures a tight seal.

  2. Fuel Pump: In systems equipped with an electric fuel pump, the Fuel Supply Tube is connected to the pump’s outlet. The pump pressurizes the fuel, which is then delivered through the tube to the engine components.

  3. Fuel Filter: Before reaching the engine, the fuel passes through a fuel filter. The Fuel Supply Tube is linked to both the inlet and outlet of the filter, ensuring that contaminants are removed from the fuel stream.

  4. Fuel Rail: In fuel-injected engines, the Fuel Supply Tube feeds into the fuel rail, which distributes pressurized fuel to each injector. This setup allows for precise fuel delivery to each cylinder.

  5. Fuel Injectors: The Fuel Supply Tube ensures a steady supply of fuel to the injectors, which atomize the fuel into the intake manifold for combustion. Proper fuel pressure and flow are maintained through this tube.

  6. Carburetor: In carbureted engines, the Fuel Supply Tube delivers fuel to the carburetor, where it is mixed with air before entering the combustion chamber. The tube must provide a consistent flow to maintain engine performance.

  7. Fuel Pressure Regulator: Some systems include a fuel pressure regulator, which the Fuel Supply Tube may connect to. This regulator maintains the correct fuel pressure within the system, returning excess fuel to the tank via a separate return line.

  8. Fuel Lines and Hoses: The Fuel Supply Tube often connects to various fuel lines and hoses that route fuel throughout the engine bay. These connections are critical for the overall integrity and efficiency of the fuel system.

Plumbing Considerations

When installing or replacing the Part 5312315 Fuel Supply Tube, it is important to consider the routing and securement of the tube within the engine bay. Proper clamping and routing prevent fuel leaks and ensure that the tube is protected from heat and abrasion. Additionally, using the correct fittings and connectors is vital to maintain system integrity and performance.

Conclusion

The Cummins 5312315 Fuel Supply Tube is a critical component in the fuel delivery system of heavy-duty diesel engines. Its design and construction ensure a reliable and efficient fuel supply, contributing to the overall performance and efficiency of the engine. Proper installation, maintenance, and adherence to safety guidelines are essential for the optimal operation of this part.


  1. Denton, T., & Pells, H. (2022). Automotive Technician Training Theory. Routledge.

  2. Brown Jr, A. (2010). Technologies and Approaches to Reducing the Fuel Consumption of Medium and Heavy-Duty Vehicles. National Academy of Sciences.

  3. Reif, K. (2015). Gasoline Engine Management Systems and Components. Springer Vieweg.

* 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.