4991546
Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

More than 10 are currently available

Ships within 2-4 business days

$46.95 $55.87

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 4991546 Fuel Supply Line is a component designed for use in heavy-duty trucks. It plays a role in the fuel system by facilitating the transport of fuel from the tank to the engine. This part is significant for maintaining the efficient operation of the vehicle, ensuring that the engine receives a consistent and adequate fuel supply.

Basic Concepts of Fuel Supply Lines

A fuel supply line is a conduit within a truck’s fuel system that carries fuel from the storage tank to the engine. Its function is to provide a reliable and uninterrupted flow of fuel, which is necessary for the engine’s combustion process. The line operates under pressure and must be durable enough to withstand the conditions within the fuel system, including exposure to fuel and varying temperatures 1.

Purpose of the Cummins 4991546 Fuel Supply Line

The Cummins 4991546 Fuel Supply Line is engineered to transport fuel efficiently from the tank to the engine in heavy-duty trucks. It ensures that the engine receives the necessary fuel at the correct pressure and flow rate to operate effectively. This component is integral to the fuel delivery system, contributing to the overall performance and reliability of the truck 2.

Key Features

This Cummins part is constructed from materials that offer durability and resistance to the corrosive effects of fuel. Its design includes features that enhance performance, such as precise engineering to maintain fuel pressure and flow. The line is also designed to be compatible with Cummins engines, ensuring a seamless fit and function within the fuel system 3.

Benefits of Using the Cummins 4991546 Fuel Supply Line

Utilizing the Cummins 4991546 Fuel Supply Line can lead to improved fuel efficiency due to its efficient design and reliable fuel delivery. The line’s construction and materials contribute to its durability, reducing the likelihood of leaks or failures. Its compatibility with Cummins engines ensures that it meets the specific requirements of these powerful machines, enhancing overall engine performance 4.

Installation Considerations

When installing the Cummins 4991546 Fuel Supply Line, it is important to follow the manufacturer’s guidelines to ensure proper fitment and function. This may include specific torque settings for connections and ensuring that all seals and fittings are correctly installed to prevent fuel leaks. Careful attention to these details during installation will help maintain the integrity of the fuel system.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 4991546 Fuel Supply Line involves inspecting the line for signs of wear, corrosion, or damage. Common issues to watch for include leaks at connections or deterioration of the line itself. Troubleshooting steps may include checking for proper fuel pressure, inspecting connections for tightness, and replacing any damaged sections of the line to ensure continued reliable operation.

Cummins Company Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins is known for its innovative solutions and commitment to quality. The company offers a wide range of products for various industries, including transportation, construction, and power generation, and is recognized for its expertise and reliability in the automotive sector.

Cummins Part 4991546: Fuel Supply Line in Engine Applications

The Cummins part 4991546, a Fuel Supply Line, is a component in various engine systems. This part is designed to ensure the efficient and reliable transfer of fuel from the fuel tank to the engine, facilitating optimal performance and fuel economy.

Integration with ISBE CM800 Engines

In the ISBE CM800 engine, the Fuel Supply Line (part 4991546) plays a role in maintaining the engine’s operational integrity. This engine is known for its robust design and is often utilized in heavy-duty applications, where reliability and performance are paramount. The fuel supply line ensures that the engine receives a consistent and uninterrupted fuel supply, which is essential for maintaining power output and efficiency.

Compatibility and Installation

The installation of the Fuel Supply Line in the ISBE CM800 engine is straightforward, designed to fit seamlessly into the engine’s fuel system. This part is engineered to withstand the high pressures and temperatures typically encountered in heavy-duty engine environments, ensuring durability and longevity. Proper installation is crucial to prevent fuel leaks and maintain the engine’s performance.

Importance in Engine Performance

The Fuel Supply Line is integral to the engine’s overall performance. It ensures that the engine receives the correct amount of fuel at the right pressure, which is essential for combustion efficiency. Any issues with the fuel supply line can lead to performance degradation, increased fuel consumption, and potential engine damage. Therefore, using a high-quality part like the Cummins 4991546 is essential for maintaining the engine’s health and longevity.

Role of Part 4991546 Fuel Supply Line in Engine Systems

The 4991546 Fuel Supply Line is a component in the fuel delivery system of an engine. It is responsible for transporting fuel from the fuel tank to the injectors, ensuring a consistent and reliable fuel supply for combustion.

Integration with Injector Fuel Supply Tube

The 4991546 Fuel Supply Line connects to the injector fuel supply tube, which is a critical pathway for delivering pressurized fuel directly to the injectors. This connection ensures that the fuel is delivered at the correct pressure and flow rate, which is necessary for optimal engine performance. The fuel supply line’s role is to maintain the integrity of the fuel flow, minimizing any potential leaks or pressure drops that could affect engine efficiency.

Interaction with Injector Plumbing

In conjunction with the injector plumbing, the 4991546 Fuel Supply Line forms a comprehensive fuel delivery network. The injector plumbing includes various components such as fuel rails, connectors, and fittings that work together to distribute fuel to each injector. The fuel supply line’s precise fit and secure connection to these components are vital for maintaining a sealed system, which prevents fuel leaks and ensures that the fuel reaches the injectors without contamination or loss of pressure.

Ensuring Consistent Fuel Delivery

The consistent delivery of fuel is paramount for the engine’s combustion process. The 4991546 Fuel Supply Line plays a role in this by providing a dedicated pathway for fuel to travel from the tank to the injectors. This dedicated line helps in maintaining the fuel’s temperature and pressure, which are critical for the injectors to atomize the fuel properly during combustion. Proper atomization leads to more efficient burning of fuel, resulting in better engine performance and fuel economy.

Supporting Engine Performance and Reliability

By ensuring a steady and reliable fuel supply, the 4991546 Fuel Supply Line supports the overall performance and reliability of the engine. It works in harmony with the injector fuel supply tube and injector plumbing to create a robust fuel delivery system that can adapt to varying engine loads and operating conditions. This adaptability is key to maintaining engine performance across a wide range of driving scenarios.

Conclusion

The Cummins 4991546 Fuel Supply Line is a critical component in the fuel delivery system of heavy-duty trucks and engines. Its design and construction ensure efficient and reliable fuel transport, contributing to the overall performance and reliability of the vehicle. Proper installation, maintenance, and understanding of its role in the engine system are essential for maximizing the benefits of this Cummins part.


  1. Sander, F. (2007). Diesel Mechanics, First Edition. Global Media.

  2. Hilgers, M. (2022). Transmissions and Drivetrain Design. Springer Vieweg.

  3. Lakshminarayanan, P. A., & Aghav, Y. V. (2010). Modelling Diesel Combustion. Springer Science.

  4. Wang, Y. (2007). Introduction to Engine Valvetrains. SAE International.

SPECIFICATIONS

Notes
#2 and #3 Cylinders
Package Dimensions
7.4 x 0.5 x 0.5 in
Weight
0.25 lbs
* 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.