4892941
Fuel Supply Tube
Cummins®

Introduction

The Cummins 4892941 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks. It ensures the efficient transfer of fuel from the tank to the engine, maintaining consistent fuel pressure and flow for optimal engine performance. This part is essential for the reliability and efficiency of the vehicle’s fuel system.

Purpose and Function

The Fuel Supply Tube facilitates the transport of fuel from the tank to the engine, ensuring that the engine receives the necessary fuel quantity and quality. Its design allows it to withstand the pressures and temperatures associated with fuel transport in heavy-duty applications, contributing to the overall efficiency of the fuel system ¹.

Key Features

Constructed from high-quality materials, this Cummins part is resistant to the corrosive effects of fuel and the high pressures within the fuel system. It features secure connection types that ensure a tight seal, preventing leaks and maintaining the integrity of the fuel system. Additionally, its design includes features that enhance its resistance to wear and fatigue, contributing to its longevity and reliability ².

Benefits

The use of the 4892941 offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and clean fuel supply to the engine. Its reliable construction and secure connections enhance the overall reliability of the fuel system. Furthermore, it is designed to be compatible with Cummins engines, ensuring seamless integration and performance ³.

Installation and Compatibility

Proper installation of the Fuel Supply Tube is crucial for its effective operation. Installation procedures should follow manufacturer guidelines to ensure a secure and leak-free connection. Tools required for installation may include wrenches and sealants, depending on the specific application. Compatibility with various Cummins engine models ensures that this component can be used across a range of heavy-duty truck applications, providing versatility and ease of use ⁴.

Maintenance and Troubleshooting

Regular maintenance of the 4892941 is recommended to ensure its longevity and performance. This includes checking for signs of wear or damage and ensuring connections remain secure. Common issues that may arise include leaks or blockages, which can be diagnosed through visual inspection and pressure testing. Troubleshooting steps may involve cleaning or replacing the tube if necessary, following manufacturer guidelines for repair or replacement.

Safety Considerations

When working with the Fuel Supply Tube, it is important to follow safety guidelines to protect against the hazards associated with fuel system components. This includes ensuring proper ventilation during maintenance procedures to avoid the accumulation of fuel vapors. Additionally, handling fuel system components requires caution to prevent spills and ensure personal safety.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the automotive and heavy-duty truck industry. Its product offerings are designed to meet the demanding requirements of various applications, providing customers with solutions that enhance performance and efficiency.

Cummins Fuel Supply Tube 4892941 Compatibility

The Cummins Fuel Supply Tube part number 4892941 is designed to integrate seamlessly with several engine models, ensuring efficient fuel delivery and system integrity. This part is integral to maintaining the operational efficiency of the engines it is compatible with.

ISBE CM800

In the ISBE CM800 engine, the Fuel Supply Tube 4892941 ensures that fuel is delivered from the fuel pump to the injectors with minimal resistance, which is crucial for maintaining optimal engine performance. The design of this part is tailored to fit the specific layout and requirements of the ISBE CM800, ensuring a secure and reliable connection.

QSB4.5 CM850 (CM2850)

For the QSB4.5 CM850 (CM2850) engines, the Fuel Supply Tube 4892941 is engineered to handle the demands of these robust engines. The QSB4.5 CM850 series is known for its durability and high performance, and this part is no exception. It is designed to withstand the rigors of continuous operation, providing a stable and efficient fuel supply to the engine’s injectors. The tube’s construction ensures that it can endure the high pressures and temperatures typical of these engines, contributing to their overall reliability and longevity.

The compatibility of the Fuel Supply Tube 4892941 across these engines highlights its versatility and importance in the Cummins engine ecosystem. By ensuring a precise fit and reliable performance, this part supports the efficient operation of the engines it is designed for.

Role of Part 4892941 Fuel Supply Tube in Engine Systems

The 4892941 Fuel Supply Tube is an integral component in the fuel delivery system of an engine, ensuring a consistent and reliable supply of fuel to the injectors. This tube connects to the fuel rail, which is a part of the injector plumbing system, and facilitates the distribution of fuel to each injector.

In the context of injector plumbing, the Fuel Supply Tube plays a significant role by maintaining the pressure integrity of the fuel as it travels from the fuel pump to the injectors. It is designed to withstand the high pressures and temperatures within the fuel system, ensuring that fuel is delivered efficiently and without leaks.

When considering the injectors themselves, the Fuel Supply Tube ensures that each injector receives a uniform supply of fuel. This uniformity is essential for the precise operation of the injectors, as they rely on consistent fuel pressure and flow to atomize the fuel properly during combustion.

Furthermore, the Fuel Supply Tube is often equipped with filters or screens to prevent contaminants from entering the injectors, thereby protecting the delicate components within the injectors and ensuring their longevity and performance.

In summary, the 4892941 Fuel Supply Tube is a key element in the fuel delivery system, working in conjunction with the fuel rail and injectors to maintain optimal engine performance.

Conclusion

The Cummins 4892941 Fuel Supply Tube is a vital component in the fuel systems of heavy-duty trucks, ensuring efficient and reliable fuel delivery to the engine. Its durable construction, secure connections, and compatibility with various Cummins engine models make it a reliable choice for maintaining the performance and efficiency of heavy-duty truck fuel systems.