4943247
Fuel Supply Tube
Cummins®

Introduction

The Cummins 4943247 Fuel Supply Tube is a critical component in the fuel systems of commercial trucks. It ensures the efficient transfer of fuel from the tank to the engine, maintaining a consistent and adequate fuel supply for combustion. This part is essential for the overall efficiency and performance of the truck’s engine.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube serves as a conduit within the fuel system, carrying fuel from the tank to the engine. It provides a pathway for fuel to travel under pressure, ensuring the engine receives the necessary fuel for operation. The importance of a fuel supply tube lies in its role in maintaining the proper delivery of fuel, which is vital for the engine’s performance and efficiency ¹.

Role of the 4943247 Fuel Supply Tube

The Cummins 4943247 Fuel Supply Tube facilitates the transfer of fuel from the tank to the engine in trucks. It is designed to withstand the pressures and conditions within the fuel system, ensuring a reliable and consistent fuel supply. This component helps maintain the engine’s performance by ensuring efficient and uninterrupted fuel delivery ².

Key Features

The Cummins 4943247 Fuel Supply Tube is characterized by its robust design and the materials used in its construction. It is made from high-quality materials that offer resistance to the corrosive effects of fuel and the high pressures within the fuel system. Unique characteristics of this tube include its durability and the precision engineering that ensures a secure fit within the fuel system, enhancing its performance and longevity ³.

Benefits

The Cummins 4943247 Fuel Supply Tube offers several benefits, including improved fuel efficiency due to its precise design and reliable fuel delivery. Its durability ensures long-term reliability, reducing the need for frequent replacements. Compared to other fuel supply components, this tube provides enhanced performance and longevity, contributing to the overall efficiency and reliability of the truck’s engine.

Troubleshooting and Maintenance

Common issues with the Cummins 4943247 Fuel Supply Tube may include leaks or blockages, which can affect fuel delivery. Diagnostic tips include checking for signs of wear or damage and ensuring that connections are secure. Maintenance practices to ensure optimal performance and longevity include regular inspections for wear and tear, cleaning the tube to remove any contaminants, and replacing the tube if significant damage is detected.

Compatibility

The Cummins Fuel Supply Tube part number 4943247 is designed to fit seamlessly with a range of Cummins engines, ensuring optimal fuel delivery and performance. This part is engineered to meet the specific needs of various engine models, providing a reliable solution for maintaining the integrity of the fuel system.

Compatible Engines

• ISC CM850 and QSC8.3 CM850 (CM2850): Ensures smooth operation of the fuel system, contributing to the overall reliability and longevity of these engines.
• ISL9 CM2150 SN and QSL8.9 CM2150 L141: Designed to handle the demands of these high-performance diesel engines, ensuring consistent fuel flow and reducing the risk of leaks or blockages.
• QSL9 CM850 (CM2850): Integrates perfectly with this engine variant, providing a secure and efficient fuel delivery system.

Role in Engine Systems

The 4943247 Fuel Supply Tube is an integral component in the fuel delivery system of various engine setups. It is designed to transport fuel from the fuel tank to the fuel rail, ensuring a consistent and reliable supply of fuel to the injectors.

• Fuel Line Bracket Kit: Secures the fuel lines in place, minimizing the risk of disconnections or leaks, particularly important in high-performance engines.
• Injector Plumbing Systems: Works in conjunction with fuel rails and injectors to maintain precise fuel delivery, essential for optimal engine performance.
• Performance Parts: Often serves as a high-flow alternative to stock components, capable of handling increased fuel demands in modified engines with higher horsepower outputs.
• Plumbing Applications: Frequently used to upgrade or replace worn-out or corroded fuel lines, ensuring longevity and reliability under high-performance use.
• Injector Systems: Ensures each injector receives a consistent fuel supply, maintaining the injector’s spray pattern and overall performance, directly influencing combustion efficiency and engine reliability.

Conclusion

The Cummins 4943247 Fuel Supply Tube is a vital component for the efficient and reliable operation of commercial truck engines. Its robust design, compatibility with various Cummins engines, and role in maintaining consistent fuel delivery make it an essential part of the fuel system. Regular maintenance and timely replacements ensure the longevity and performance of this critical component.