5346112
Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$35.95 $42.78

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 5346112 Fuel Supply Line is a component designed for use in commercial 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 for combustion. This component is integral to the efficient operation of the truck’s fuel system.

Basic Concepts of Fuel Supply Lines

A fuel supply line is a conduit that transports fuel from the storage tank to the engine. Its function within a truck’s fuel system is to provide a pathway for fuel to travel under pressure, ensuring that the engine receives the necessary fuel for operation. The line operates by maintaining a continuous flow of fuel, which is pressurized by the fuel pump, to meet the engine’s demands during various driving conditions 1.

Purpose of the Cummins 5346112 Fuel Supply Line

This Cummins part plays a specific role in the truck’s fuel delivery system by ensuring a steady and uninterrupted flow of fuel to the engine. This is achieved through its design, which allows it to withstand the pressures and temperatures associated with fuel transport in a commercial truck environment. Consistent fuel flow is vital for the engine’s performance and efficiency 2.

Key Features

The Cummins 5346112 Fuel Supply Line is constructed from materials that offer durability and resistance to the corrosive effects of fuel. Its design includes features that enhance its performance, such as reinforced sections to handle high pressure and flexible segments to accommodate the movement and vibrations typical in truck operations. These characteristics contribute to the line’s longevity and reliability.

Benefits of Using the Cummins 5346112 Fuel Supply Line

Utilizing this part offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered to the engine without leaks or restrictions. The line’s reliability reduces the likelihood of fuel system failures, and its compatibility with Cummins engines ensures optimal performance. These benefits make it a valuable component for commercial truck operators.

Installation Considerations

When installing the Cummins 5346112 Fuel Supply Line, it is important to follow guidelines and best practices to ensure proper function. This includes adhering to any specific requirements or recommendations provided by Cummins, such as using the correct fittings and ensuring that the line is routed away from heat sources and moving parts to prevent damage.

Maintenance and Troubleshooting

To maintain the Cummins 5346112 Fuel Supply Line and ensure its longevity and optimal performance, regular inspections for signs of wear, leaks, or blockages are recommended. Common troubleshooting steps for issues such as leaks may involve checking connections and fittings for tightness, while blockages might require cleaning or replacement of the line segment.

Safety Precautions

When working with the fuel supply line, it is important to observe safety measures to protect against the hazards associated with fuel. This includes handling fuel in a well-ventilated area, wearing appropriate personal protective equipment, and ensuring that the fuel system is depressurized before beginning any work. Maintaining the integrity of the fuel system is crucial to prevent fuel leaks and ensure safe operation.

Cummins Overview

Cummins Inc. is a well-established company with a history of producing high-quality engine components for the commercial truck industry. Known for its commitment to innovation and reliability, Cummins has built a reputation for delivering products that meet the demanding requirements of commercial vehicle operators. The company’s expertise in engine technology is reflected in the design and performance of components like the Cummins 5346112 Fuel Supply Line.

Cummins Engine Compatibility with Fuel Supply Line Part 5346112

The Cummins Fuel Supply Line part number 5346112 is designed to fit seamlessly with a variety of Cummins engines, ensuring optimal fuel delivery and performance. This part is engineered to meet the specific needs of the engines it supports, providing a reliable and efficient fuel supply system.

Compatible Engines

  • F3.8 CM2620 F137B
  • ISF3.8 CM2220 AN
  • ISF3.8 CM2220 F103
  • ISF4.5 CM2220 F123
  • QSF3.8 CM2880 F112
Grouping by Engine Series

The Cummins engines listed can be grouped based on their series and specifications:

  • F3.8 Series

    • F3.8 CM2620 F137B
    • QSF3.8 CM2880 F112
  • ISF3.8 Series

    • ISF3.8 CM2220 AN
    • ISF3.8 CM2220 F103
  • ISF4.5 Series

    • ISF4.5 CM2220 F123

Each of these engines benefits from the precise engineering of the Cummins Fuel Supply Line part 5346112, ensuring that the fuel supply system operates efficiently and reliably. This part is crucial for maintaining the performance and longevity of the engines it supports.

Role of Part 5346112 Fuel Supply Line in Engine Systems

The Fuel Supply Line (Part 5346112) is an essential component in the fuel delivery system of an engine. It is responsible for transporting fuel from the fuel tank to the fuel filter and subsequently to the fuel injectors.

In the context of fuel filter plumbing, the Fuel Supply Line connects the fuel tank to the fuel filter. This connection ensures that the fuel is adequately filtered before it reaches the engine’s fuel injectors. The filtered fuel then travels through the Fuel Supply Line to the fuel rail, where it is distributed to each injector.

The efficient operation of the Fuel Supply Line is important for maintaining consistent fuel pressure and flow, which directly influences engine performance and fuel efficiency. It works in conjunction with other components such as the fuel pump, which pressurizes the fuel, and the fuel regulator, which maintains the correct pressure levels.

In summary, the Fuel Supply Line (Part 5346112) plays a significant role in ensuring that the engine receives a steady and clean supply of fuel, contributing to the overall efficiency and reliability of the engine system.

Conclusion

The Cummins 5346112 Fuel Supply Line is a critical component in the fuel delivery system of commercial trucks, ensuring a consistent and reliable supply of fuel to the engine. Its design and construction contribute to the efficient operation of the truck’s fuel system, offering benefits such as improved fuel efficiency and reliability. Proper installation, maintenance, and adherence to safety precautions are essential to maximize the performance and longevity of this part.


  1. Han, Z. (2022). Simulation and Optimization of Internal Combustion Engines. SAE International.

  2. Isermann, R. (2017). Combustion Engine Diagnosis. Springer Vieweg.

SPECIFICATIONS

Package Dimensions
29.0 x 22.0 x 2.5 in
Weight
0.062 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.