4988869
Fuel Supply Tube
Cummins®

Introduction

The Cummins 4988869 Fuel Supply Tube is a component designed for use in the fuel systems of heavy-duty trucks. Its purpose is to facilitate the efficient transfer of fuel from the tank to the engine, ensuring that the engine receives a consistent and reliable fuel supply. This component is integral to the overall performance and reliability of the truck’s engine.

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 direct and unobstructed path for fuel flow, which is vital for the engine’s operation. The tube contributes to the overall operation of a truck’s engine by ensuring that fuel is delivered under the correct pressure and in the right quantity, which is necessary for optimal engine performance ¹.

Purpose and Role of the 4988869 Fuel Supply Tube

The Cummins 4988869 Fuel Supply Tube plays a specific role in the operation of a truck by facilitating the delivery of fuel from the tank to the engine. It is designed to withstand the pressures and temperatures associated with diesel fuel systems, ensuring a steady and uninterrupted fuel supply. This consistent fuel delivery is crucial for maintaining engine performance and efficiency ².

Key Features

The Cummins 4988869 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 sections to withstand pressure and a smooth interior to minimize fuel flow resistance. These attributes contribute to the tube’s longevity and reliability in demanding applications ³.

Benefits of Using the 4988869 Fuel Supply Tube

The use of the Cummins 4988869 Fuel Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent fuel supply, which allows the engine to operate at its designed efficiency levels. The tube’s reliability reduces the likelihood of fuel system failures, and its compatibility with Cummins engines ensures seamless integration into the fuel system.

Installation and Integration

Proper installation of the Cummins 4988869 Fuel Supply Tube is important for ensuring optimal performance. It should be installed according to the manufacturer’s guidelines, with attention to securing all connections and ensuring there are no kinks or obstructions in the tube. This will help maintain the integrity of the fuel flow and prevent potential issues.

Troubleshooting and Maintenance

Regular inspection and maintenance of the Cummins 4988869 Fuel Supply Tube can help identify and address potential issues before they lead to more significant problems. Common troubleshooting steps include checking for leaks, ensuring connections are secure, and verifying that the tube is free from obstructions. Maintenance tips include periodic cleaning and inspection according to the manufacturer’s recommendations.

Cummins 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 has established a reputation for quality and innovation in the automotive industry, particularly in the manufacture of diesel engines and components. The company’s commitment to excellence is reflected in its wide range of products, which are designed to meet the demanding requirements of various applications.

Cummins Fuel Supply Tube 4988869 Compatibility

The Cummins Fuel Supply Tube part number 4988869 is designed to fit a variety of Cummins engines, ensuring seamless integration and optimal performance. This part is essential for the proper delivery of fuel within the engine system, and its compatibility spans across several engine models.

Compatible Engines

• ISC CM2150
• ISC8.3 CM2250
• ISL CM2150
• ISL9 CM2250
• QSC9 CM2250/QSL9 CM2250
• QSL9 CM2250
• QSL9 CM2350 L102

Grouping of Compatible Engines

ISC Series

• ISC CM2150
• ISC8.3 CM2250

The ISC series engines, both CM2150 and CM2250 variants, benefit from the precise engineering of the Fuel Supply Tube 4988869. This part ensures that the fuel supply remains consistent and reliable, contributing to the overall efficiency and longevity of the engine.

ISL Series

• ISL CM2150
• ISL9 CM2250

Similar to the ISC series, the ISL engines, including the CM2150 and CM2250 variants, are designed to work seamlessly with the Fuel Supply Tube 4988869. This compatibility is crucial for maintaining the high performance standards expected from ISL engines.

QSC/QSL Series

• QSC9 CM2250/QSL9 CM2250
• QSL9 CM2250
• QSL9 CM2350 L102

The QSC9 CM2250 and QSL9 CM2250 engines, along with the QSL9 CM2350 L102, are also compatible with the Fuel Supply Tube 4988869. This part is engineered to meet the specific needs of these models, ensuring that fuel delivery is both efficient and reliable. The QSL9 CM2350 L102, with its advanced features, particularly benefits from the precision of this fuel supply tube.

Role of Part 4988869 Fuel Supply Tube in Engine Systems

The 4988869 Fuel Supply Tube is a component in the fuel delivery system of various engine setups. It is responsible for transporting fuel from the fuel tank to the fuel filter and subsequently to the engine’s fuel injectors or carburetor.

In the context of plumbing, the Fuel Supply Tube acts as a conduit, ensuring a consistent and reliable flow of fuel. Its design and material are selected to withstand the pressures and temperatures within the fuel system, preventing leaks and ensuring efficient fuel delivery.

When considering the fuel filter, the Fuel Supply Tube plays a supportive role by delivering fuel to the filter. The filter screens out impurities and contaminants from the fuel, which could otherwise damage sensitive engine components. The tube’s connection to the filter must be secure to maintain system integrity and prevent fuel leaks.

Overall, the 4988869 Fuel Supply Tube is a vital link in the fuel delivery chain, facilitating the smooth operation of the engine by ensuring a steady supply of clean fuel.

Conclusion

The Cummins 4988869 Fuel Supply Tube is a critical component in the fuel delivery system of heavy-duty trucks, ensuring consistent and reliable fuel supply to the engine. Its robust construction, compatibility with various Cummins engines, and role in maintaining engine performance and efficiency make it an essential part for truck operators and maintenance professionals.