4929483
Fuel Supply Tube
Cummins®

Introduction

The Cummins 4929483 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks. It ensures a consistent and reliable fuel supply from the tank to the engine, which is essential for the engine’s operation ³.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube is a conduit in the fuel delivery system that transports fuel from the tank to the engine. It must withstand the pressures and demands of the fuel system, including resistance to fuel and the pressures involved in fuel delivery. The tube provides a secure and efficient pathway for fuel, minimizing the risk of leaks and ensuring that the engine receives the necessary fuel for combustion ¹.

Purpose of the Cummins 4929483 Fuel Supply Tube

The Cummins 4929483 Fuel Supply Tube is designed to deliver fuel from the tank to the engine, maintaining the integrity of the fuel as it travels to the point of combustion. This ensures that the engine operates efficiently and effectively ³.

Key Features

The Cummins 4929483 Fuel Supply Tube features a robust material composition resistant to fuel corrosion, a flexible design for ease of installation, and reinforced sections to prevent kinking and ensure a smooth flow of fuel ³.

Benefits

Using the Cummins 4929483 Fuel Supply Tube offers benefits such as improved fuel efficiency due to consistent fuel delivery, increased reliability from durable construction, and enhanced longevity, contributing to reduced maintenance costs and downtime ³.

Installation and Integration

Installing the Cummins 4929483 Fuel Supply Tube requires using appropriate tools and following manufacturer guidelines for a proper fit and seal. Careful integration with other fuel system components is necessary to maintain system integrity and efficiency ³.

Maintenance and Care

Regular maintenance of the Cummins 4929483 Fuel Supply Tube includes inspecting for wear or damage, cleaning to remove contaminants, and following replacement recommendations to prevent failures ³.

Troubleshooting Common Issues

Common issues with fuel supply tubes, such as leaks or blockages, can be identified through routine inspections. Troubleshooting steps involve checking connections for tightness, inspecting the tube for physical damage, and ensuring the fuel system is free from contaminants ³.

Safety Considerations

When working with the Cummins 4929483 Fuel Supply Tube, it is important to observe safety protocols, including handling flammable materials with care, ensuring proper ventilation, and following all safety guidelines provided by the manufacturer ³.

Cummins Overview

Cummins Inc. is a global leader in designing, manufacturing, and distributing engines, filtration, and power generation products. Known for innovation and a broad product range, Cummins has established a reputation for quality and reliability in the automotive and heavy-duty truck industry ².

Cummins Fuel Supply Tube 4929483 Compatibility

The Cummins Fuel Supply Tube part number 4929483 is designed to fit various Cummins engines, ensuring efficient fuel delivery across different models. This part is integral to maintaining engine performance and reliability ³.

ISB Series Engines

The ISB CM2150, ISB6.7 CM2250, and ISB6.7 CM2350 B101 engines are part of the ISB series, known for robust design and high performance. The Fuel Supply Tube 4929483 is compatible with these engines, ensuring consistent and efficient fuel delivery to the combustion chambers ³.

QSB Series Engines

The QSB6.7 CM2250 and QSB6.7 M CM2250 engines are part of the QSB series, designed for high power and durability applications. The Fuel Supply Tube 4929483 is also compatible with these engines, ensuring smooth and reliable fuel supply system operation ³.

Grouping for Clarity

While the Fuel Supply Tube 4929483 is compatible with all listed engines, it fits seamlessly into both the ISB and QSB series engines. This grouping helps in understanding the broader applicability of the part across different engine models, facilitating easier maintenance and part replacement ³.

Role of Part 4929483 Fuel Supply Tube in Engine Systems

The Part 4929483 Fuel Supply Tube is integral to the fuel delivery system of various engine setups. It transports fuel from the fuel tank to the fuel injectors or carburetor, ensuring a consistent and reliable fuel supply to the engine ³.

Integration with Fuel System Components

1. Fuel Tank: The Fuel Supply Tube connects directly to the fuel tank, drawing fuel through a pickup tube. This connection is secured with a fitting that prevents leaks and ensures a tight seal ³.
2. Fuel Pump: In systems with an electric fuel pump, the Fuel Supply Tube is connected to the pump’s outlet. The pump pressurizes the fuel, which is then delivered through the tube to the engine ³.
3. Fuel Filter: The fuel passes through a fuel filter before reaching the engine. The Fuel Supply Tube is fitted to both the inlet and outlet of the filter, ensuring contaminants are removed from the fuel stream ³.
4. Fuel Rail: In fuel-injected engines, the Fuel Supply Tube delivers fuel to the fuel rail. The rail distributes pressurized fuel to each injector, which then sprays it into the combustion chamber ³.
5. Carburetor: In carbureted engines, the Fuel Supply Tube feeds fuel directly into the carburetor. The carburetor mixes the fuel with air before it enters the engine cylinders ³.
6. Fuel Pressure Regulator: Some systems incorporate a fuel pressure regulator, which may be connected to the Fuel Supply Tube. This component maintains consistent fuel pressure within the system ³.

Interaction with Plumbing Components

1. Fuel Lines: The Fuel Supply Tube often connects to various fuel lines that route the fuel throughout the engine bay. These lines are typically made of metal or reinforced rubber to withstand fuel pressure and environmental conditions ³.
2. Fittings and Connectors: Secure connections are essential in the fuel system. The Fuel Supply Tube uses specific fittings and connectors to attach to other components, ensuring a leak-free system ³.
3. Return Line: In some systems, excess fuel is returned to the tank via a return line. The Fuel Supply Tube may interact with this return system to maintain proper fuel pressure and flow ³.

Conclusion

Understanding the role of the Cummins 4929483 Fuel Supply Tube within these components ensures efficient and reliable fuel delivery, contributing to overall engine performance and longevity ³.