4999873
Fuel Supply Tube
Cummins®

Introduction

The Cummins 4999873 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks, designed to ensure a consistent and reliable fuel supply to the engine ¹. This part is essential for the efficient operation of diesel engines, particularly in applications where reliability and performance are crucial.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube serves as a conduit within the fuel system, transporting fuel from the storage tank to the engine ². Its primary function is to maintain a steady fuel flow, which is vital for consistent engine performance and efficiency.

Purpose of the Cummins 4999873 Fuel Supply Tube

This Cummins part ensures a consistent flow of fuel to the engine, designed to withstand the pressures and conditions within the fuel system ³. It provides a reliable connection between the fuel tank and the engine, directly influencing the engine’s combustion process, performance, and efficiency.

Key Features

The Fuel Supply Tube is constructed from durable materials that resist the conditions within the fuel system. Its design includes precise engineering for a secure fit and optimal fuel flow. Specific dimensions or connection types may be tailored for compatibility with Cummins engines.

Benefits of Using the Cummins 4999873 Fuel Supply Tube

Using this part can lead to improved fuel efficiency and enhanced engine performance due to its consistent fuel delivery ¹. Its durable construction and precise engineering contribute to increased reliability, especially under demanding conditions.

Installation and Compatibility

Proper installation of the Fuel Supply Tube involves following manufacturer guidelines for a secure and efficient connection ². Compatibility with various Cummins engine models should be verified for optimal performance and reliability.

Maintenance and Troubleshooting

Routine maintenance of the Fuel Supply Tube is important for longevity and optimal performance. This includes regular inspections for wear or damage and cleaning or replacing the tube as necessary. Troubleshooting common issues may involve checking connections, cleaning the tube, or replacing damaged components.

Safety Considerations

When working with the fuel system, it is important to observe safety guidelines and precautions. This includes ensuring the engine is off and the fuel system is depressurized before beginning work, using appropriate personal protective equipment, and following all manufacturer safety recommendations.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a reputation for producing reliable and high-performance diesel engines and components.

Cummins Fuel Supply Tube 4999873 Compatibility

The Cummins Fuel Supply Tube part number 4999873 is compatible with the following engines:

• ISZ13 CM2150 Z105
• QSZ13 CM2150 Z101
• QSZ13 CM2150 Z102

This part is integral to the fuel delivery system, ensuring efficient and accurate fuel supply to the engine components.

Role of Part 4999873 Fuel Supply Tube in Engine Systems

The 4999873 Fuel Supply Tube is crucial in the fuel delivery system, transporting fuel from the fuel tank to the engine’s fuel filter and subsequently to the fuel injectors or carburetor ³. It ensures a consistent and reliable fuel supply, essential for engine performance and efficiency.

In modern fuel-injected engines, the Fuel Supply Tube works with the fuel pump to maintain necessary fuel pressure. It connects to the fuel filter, which removes impurities before the fuel reaches the injectors, ensuring optimal fuel atomization and combustion efficiency.

For engines with a carburetor, the Fuel Supply Tube delivers fuel to the carburetor bowl, where it is mixed with air before entering the combustion chamber. The consistent flow of fuel through the tube is essential for maintaining the correct air-fuel ratio for smooth engine operation.

The Fuel Supply Tube must be securely fitted to prevent fuel leaks, which can pose safety hazards and lead to inefficient engine operation. Its design often includes reinforced connections and flexible materials to withstand vibrations and pressures in engine compartments.

Conclusion

The Cummins 4999873 Fuel Supply Tube plays a significant role in ensuring that the engine receives a steady and clean supply of fuel, contributing to the overall reliability and performance of the engine system. Proper installation, maintenance, and adherence to safety guidelines are essential for optimal engine performance and longevity.