5472711
Injector Fuel Supply Tube
Cummins®

The Cummins Injector Fuel Supply Tube, part number 5472711, is a component designed to facilitate the delivery of fuel to the injectors in heavy-duty trucks. Its role within the fuel system is to ensure a consistent and reliable supply of fuel, which is vital for the efficient operation of the engine ¹.

Basic Concepts of Injector Fuel Supply Tubes

An Injector Fuel Supply Tube is a conduit that transports fuel from the fuel tank or fuel pump to the injectors. It functions as a link in the fuel delivery system, ensuring that fuel is delivered under the correct pressure and at the right time. The proper functioning of this tube is important for maintaining the desired fuel-air mixture, which directly affects engine performance and efficiency ².

Purpose and Function

This Cummins part serves to deliver fuel from the fuel rail to the individual injectors. This ensures that each injector receives a consistent supply of fuel, which is necessary for precise fuel injection timing and quantity. The tube contributes to the overall efficiency and performance of the engine by supporting optimal combustion conditions.

Key Features

The Injector Fuel Supply Tube is constructed from durable materials that can withstand the high pressures and temperatures within the fuel system. Its design includes features that enhance its performance and longevity, such as precise engineering to maintain fuel pressure and prevent leaks. The tube is also designed to be compatible with specific Cummins engine models, ensuring a proper fit and function.

Benefits

Using this Cummins part can lead to improved fuel efficiency, as it ensures that fuel is delivered consistently and under the correct conditions. This can result in enhanced engine performance, as the injectors are able to operate with optimal fuel supply. Additionally, the tube’s durable construction and precise engineering contribute to increased reliability and longevity of the fuel system.

Installation and Compatibility

Proper installation of the Injector Fuel Supply Tube involves following manufacturer guidelines to ensure a secure and leak-free connection. It is designed to be compatible with specific Cummins engine models, which means it is engineered to fit and function within those systems without requiring modifications.

Maintenance and Troubleshooting

To maintain the Injector Fuel Supply Tube, regular inspections should be conducted to check for signs of wear, leaks, or damage. Common issues may include fuel leaks or inconsistent fuel delivery, which can often be identified through routine checks. Addressing these issues promptly can help ensure the continued optimal performance of the fuel system.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a strong reputation in the industry, Cummins is known for its commitment to quality and innovation in automotive components. The company’s products are designed to meet the demanding requirements of heavy-duty applications, ensuring reliability and performance in various operating conditions.

Cummins Injector Fuel Supply Tube (Part 5472711) Compatibility

The Cummins Injector Fuel Supply Tube, identified by part number 5472711, is a critical component in the fuel delivery system of various engines. This part ensures the efficient and reliable transfer of fuel from the fuel supply system to the injectors, maintaining optimal engine performance.

ISV (Nissan) Engines

The Cummins Injector Fuel Supply Tube (5472711) is specifically designed to fit seamlessly with the ISV engines manufactured by Nissan. These engines are known for their durability and efficiency, often used in heavy-duty applications. The compatibility of this part with the ISV engines ensures that the fuel supply remains uninterrupted, which is crucial for maintaining the engine’s performance and longevity.

The precise engineering of the injector fuel supply tube guarantees a snug fit and reliable operation, reducing the risk of fuel leaks and ensuring consistent fuel delivery. This is particularly important in high-stress environments where the engine operates under demanding conditions.

By integrating seamlessly with the ISV engines, the Cummins Injector Fuel Supply Tube (5472711) contributes to the overall efficiency and reliability of the engine, making it a vital component for maintaining optimal engine performance.

Role of Part 5472711 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 5472711, is a component in the fuel delivery system of an engine. It facilitates the precise delivery of fuel from the fuel pump to the injectors, ensuring optimal performance and efficiency.

Integration with Key Engine Components

Fuel Pump Kit

The Injector Fuel Supply Tube connects directly to the fuel pump kit, forming a conduit that transports pressurized fuel from the pump to the injectors. This connection is vital for maintaining consistent fuel pressure, which is necessary for the injectors to atomize fuel effectively.

Injectors

Once fuel passes through the Injector Fuel Supply Tube, it reaches the injectors. The tube ensures that fuel is delivered at the correct pressure and volume, allowing injectors to spray fuel into the combustion chamber in a fine mist. This enhances fuel-air mixture quality, leading to more efficient combustion.

Upper Engine Gasket Kit

The Injector Fuel Supply Tube often interfaces with components secured by the upper engine gasket kit. Proper sealing around the tube is essential to prevent fuel leaks and maintain system integrity. The gasket kit ensures that all connections are tight and secure, contributing to the overall reliability of the fuel system.

Hardware Kit

Fasteners from the hardware kit are used to secure the Injector Fuel Supply Tube in place. These components ensure that the tube remains firmly attached to the fuel pump and injectors, preventing disconnections that could lead to fuel delivery issues.

Camshaft and Front Crankshaft Seal Kit

While the Injector Fuel Supply Tube does not directly interact with the camshaft or front crankshaft seal kit, the overall health of the engine—including these components—relies on efficient fuel delivery. Proper fuel supply ensures that the engine runs smoothly, reducing wear on moving parts like the camshaft and crankshaft.

Service Kit

During maintenance procedures, the Injector Fuel Supply Tube may be inspected or replaced as part of a service kit. Regular checks ensure that the tube is free from blockages or damage, contributing to the longevity and performance of the engine.

Performance Parts

In high-performance applications, the Injector Fuel Supply Tube may be upgraded to handle increased fuel flow. This modification ensures that the engine receives the necessary fuel volume to meet enhanced performance demands, demonstrating the tube’s adaptability in various engine configurations.

Conclusion

The Cummins Injector Fuel Supply Tube (part number 5472711) plays a crucial role in the fuel delivery system of heavy-duty engines. Its precise engineering, durable construction, and compatibility with specific engine models ensure reliable and efficient fuel delivery. Regular maintenance and proper installation are essential to maximize the performance and longevity of this critical component.