4941583
Fuel Supply Tube
Cummins®

Introduction

The Cummins 4941583 Fuel Supply Tube is a critical component in the fuel systems of commercial trucks, designed to ensure efficient fuel transfer from the tank to the engine. This part contributes to the vehicle’s performance and reliability by maintaining a consistent fuel supply for combustion ¹.

Basic Concepts of Fuel Supply Tubes

A Fuel Supply Tube is essential for the movement of fuel from the storage tank to the engine, ensuring a consistent and adequate supply for combustion. Its proper functioning is vital for engine performance, impacting fuel delivery efficiency, power output, and fuel economy ².

Purpose of the 4941583 Fuel Supply Tube

This Cummins part is designed to enhance fuel delivery in commercial trucks by providing a reliable pathway for fuel from the tank to the engine. It ensures a steady fuel supply, which is crucial for maintaining consistent performance under various operating conditions ³.

Key Features

The 4941583 is constructed from durable materials resistant to fuel corrosion, featuring reinforced connections and a smooth interior to minimize flow resistance. These attributes enhance its efficiency and longevity within the fuel system.

Benefits

Using the 4941583 can improve fuel delivery efficiency, potentially leading to better engine performance and fuel economy. Its durable construction ensures longevity, reducing the need for frequent replacements and helping maintain the integrity of the fuel system.

Installation Considerations

Proper installation of this part is crucial for optimal performance and longevity. Following manufacturer guidelines, including specific torque settings and ensuring proper seal seating, can prevent issues such as leaks or blockages, affecting the fuel system’s efficiency.

Troubleshooting Common Issues

Common issues with the 4941583 may include leaks or blockages. Effective troubleshooting involves inspecting the tube and its connections for wear or damage. Promptly addressing leaks and ensuring the tube is free from obstructions can maintain the fuel system’s efficiency and engine performance.

Maintenance Tips

Regular inspections of the 4941583 are recommended to ensure continued reliable performance. Checking for wear, corrosion, or damage and cleaning the tube as part of routine maintenance can help prevent blockages. Replacement should be considered if significant wear or damage is detected.

Cummins Overview

Cummins Inc. is renowned for its diesel engines, known for quality and innovation in the automotive industry. With a history of providing reliable and high-performance engine components, Cummins remains a trusted name in the commercial truck sector, offering parts that enhance vehicle efficiency, performance, and reliability.

Compatibility

The 4941583 is designed to fit several engine models, ensuring seamless integration and efficient fuel delivery. Compatible engines include the ISBE4 CM850, QSB6.7 CM850 (CM2850), and QSB7 CM2880 B117, among others. This compatibility allows for easier maintenance and part replacement, reducing downtime and ensuring consistent engine performance.

Role in Engine Systems

This part is integral to the fuel delivery system, transporting fuel from the tank to the engine’s fuel injection system or carburetor. It connects directly to the fuel filter in systems with fuel filter plumbing, ensuring clean fuel delivery and maintaining the efficiency and longevity of fuel injectors or carburetor.

Integration with Fuel Filter Plumbing

The 4941583 connects to the fuel filter, ensuring the fuel is clean and free from contaminants. This connection is secure and leak-proof, minimizing the risk of fuel leaks and ensuring safety.

Function within the Fuel Supply System

This part works with the fuel pump and pressure regulator to maintain consistent fuel pressure, vital for precise fuel delivery to the engine’s combustion chambers. In fuel-injected engines, it delivers fuel to the fuel rail, and in carbureted systems, it supplies fuel to the carburetor.

Ensuring System Integrity

The robust construction and precise fitting of the 4941583 help withstand the pressures and temperatures within the fuel system, ensuring reliable operation under various driving conditions. By facilitating a smooth and uninterrupted flow of fuel, it plays a significant role in the overall efficiency and performance of the engine.

Conclusion

The Cummins 4941583 Fuel Supply Tube is a vital component in the fuel systems of commercial trucks, ensuring efficient fuel transfer and contributing to the vehicle’s performance and reliability. Its durable construction, compatibility with various engine models, and role in maintaining system integrity make it an essential part for maintaining engine efficiency and performance.