4988868
Fuel Supply Tube
Cummins®

AVAILABLE

Cummins®

More than 10 are currently available

Ships within 2-4 business days

$59.95 $71.34

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 4988868 Fuel Supply Tube is a component designed for use in heavy-duty trucks. It plays a role in the fuel system by facilitating the transfer of fuel from the tank to the engine. This part is integral to ensuring that the engine receives a consistent and reliable supply of fuel, which is necessary for optimal performance and efficiency 1.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube is a conduit within the fuel system that carries fuel from the tank to the engine. Its function is to provide a secure and efficient pathway for fuel delivery, ensuring that the engine operates smoothly. The performance of the engine is directly influenced by the efficiency of the fuel supply tube, as it must deliver fuel under varying conditions and demands 2.

Purpose of the Cummins 4988868 Fuel Supply Tube

The Cummins 4988868 is designed to deliver fuel from the tank to the engine in heavy-duty trucks. It ensures that the fuel is transported under pressure and in the correct quantity to meet the engine’s requirements. This component is engineered to withstand the rigors of heavy-duty use, providing a reliable fuel supply that contributes to the engine’s overall performance 3.

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 its performance, such as precise engineering to ensure a secure fit and efficient fuel flow. The tube may also incorporate elements that reduce the risk of leaks and improve the overall reliability of the fuel system.

Benefits

Using the Cummins 4988868 can lead to improved fuel delivery efficiency, which in turn can enhance the performance of the engine. The tube’s durable construction contributes to its longevity, reducing the need for frequent replacements. Additionally, its design may include features that help maintain consistent fuel pressure, which is beneficial for engine performance.

Installation and Compatibility

Proper installation of the Fuel Supply Tube is important to ensure it functions correctly within the fuel system. Installation procedures should follow manufacturer guidelines to avoid issues such as leaks or improper fuel delivery. Compatibility with various Cummins engine models and other relevant systems should be confirmed to ensure seamless integration and operation.

Troubleshooting and Maintenance

Common issues with fuel supply tubes, such as leaks or blockages, can often be addressed through regular maintenance and inspection. Troubleshooting may involve checking for signs of wear or damage and ensuring all connections are secure. Maintenance tips include periodic inspection of the tube and its connections, as well as adhering to recommended service intervals to ensure optimal performance and longevity.

Performance and Efficiency

The Cummins 4988868 contributes to the overall performance and efficiency of the truck’s fuel system by providing a reliable and efficient means of fuel delivery. Any advancements or technologies incorporated into its design aim to enhance these aspects, ensuring that the engine receives the fuel it needs to operate at peak efficiency.

Safety Considerations

When working with the Cummins 4988868, it is important to observe safety precautions. This includes proper handling procedures to avoid fuel spills and the use of appropriate personal protective equipment. Potential hazards such as fuel leaks should be addressed promptly to maintain a safe working environment.

Cummins Overview

Cummins Inc. is a well-established manufacturer with a reputation for producing high-quality automotive components. The company’s history is marked by a commitment to innovation and excellence in the design and production of engine parts, including fuel system components like the Cummins 4988868.

Compatibility

The Cummins Fuel Supply Tube part number 4988868 is designed to fit a variety of Cummins engines, ensuring a seamless integration and reliable performance. This part is crucial for maintaining the integrity of the fuel system, facilitating the proper flow of fuel from the fuel tank to the engine.

ISC CM2150 and ISL CM2150

The ISC CM2150 and ISL CM2150 engines are part of Cummins’ ISC and ISL series, respectively. These engines are known for their robust performance and reliability in various applications. The Fuel Supply Tube 4988868 is engineered to fit these engines, ensuring that the fuel supply remains uninterrupted and efficient.

ISC8.3 CM2250 and ISL9 CM2250

The ISC8.3 CM2250 and ISL9 CM2250 engines represent the next generation in the ISC and ISL series, offering enhanced performance and efficiency. The Fuel Supply Tube 4988868 is compatible with these engines, providing a critical component in the fuel delivery system. This ensures that the engines can operate at optimal levels, maintaining their reliability and performance.

QSC9 CM2250/QSL9 CM2250 and QSL9 CM2350 L102

The QSC9 CM2250, QSL9 CM2250, and QSL9 CM2350 L102 engines are part of Cummins’ QSC and QSL series, designed for heavy-duty applications. The Fuel Supply Tube 4988868 is engineered to fit these engines, ensuring that the fuel supply system is robust and reliable. This compatibility is essential for maintaining the performance and durability of these engines in demanding environments.

By ensuring that the Fuel Supply Tube 4988868 fits these engines, Cummins guarantees that the fuel system operates efficiently, contributing to the overall performance and longevity of the engines.

Role of Part 4988868 Fuel Supply Tube in Engine Systems

The 4988868 is an integral 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 or carburetor.

Integration with Plumbing

In the context of engine plumbing, the 4988868 connects various sections of the fuel lines. It ensures a seamless transition between different diameters and types of fuel lines, accommodating the varying requirements of the fuel system. This tube is often used in sections where flexibility and durability are required, such as near moving components or in areas exposed to engine heat.

Connection to Fuel Filter

The Fuel Supply Tube plays a significant role in the fuel filtration process. It delivers fuel from the tank to the fuel filter, where contaminants are removed before the fuel reaches the engine’s combustion chambers. The tube is designed to maintain a consistent fuel flow, ensuring that the filter operates efficiently.

By providing a reliable connection between the fuel tank and the filter, the 4988868 helps in maintaining the integrity of the fuel supply, which is essential for the engine’s performance and longevity.

Conclusion

The Cummins 4988868 Fuel Supply Tube is a critical component in the fuel system of heavy-duty trucks, ensuring a consistent and reliable fuel supply to the engine. Its durable construction, precise engineering, and compatibility with various Cummins engines make it a valuable part for maintaining engine performance and efficiency. Regular maintenance and proper installation are key to maximizing the benefits of this part.


  1. Singh, D. K. (2024). Dictionary of Mechanical Engineering. Springer Nature.

  2. Hiereth, H., Prenninger, P., & Drexl, K. W. (2010). Charging the Internal Combustion Engine. Springer.

  3. Fehan, D. R. (2013). Design of Racing and High-Performance Engines 2004-2013. SAE International.

SPECIFICATIONS

Package Dimensions
16.0 x 1.5 x 1.5 in
Weight
0.3 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.