3691462
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3691462 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks. It ensures the consistent and adequate delivery of fuel from the tank to the engine, which is essential for maintaining operational efficiency and performance.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube, such as the Cummins 3691462, is a conduit designed to transport fuel from the fuel tank to the engine. It ensures that fuel is delivered under the correct pressure and in the right quantity to support engine function. The tube’s design and material are crucial for withstanding the pressures and temperatures associated with fuel transport, as well as resisting corrosion and wear over time ¹.

Purpose and Function

This Cummins part is engineered to provide a reliable pathway for fuel in heavy-duty truck applications. It ensures that the engine receives a steady and precise amount of fuel, which is vital for maintaining engine power, fuel economy, and reducing the likelihood of engine strain or failure due to inconsistent fuel supply ².

Key Features

The Fuel Supply Tube is constructed from durable materials that resist the corrosive effects of fuel. Its design includes reinforced connections to prevent leaks and a smooth interior to minimize fuel flow resistance. These features are essential for maintaining the integrity of the fuel supply system and ensuring reliable operation under various driving conditions ³.

Benefits

Using the Cummins 3691462 can lead to improved fuel efficiency by ensuring that fuel is delivered to the engine without unnecessary resistance or loss. This contributes to enhanced engine performance, allowing the engine to operate more smoothly and efficiently. Additionally, the tube’s robust construction and design features increase its reliability, reducing the likelihood of fuel system failures and the need for frequent replacements.

Installation and Compatibility

When installing this part, it is important to follow manufacturer guidelines to ensure proper fitment and function. This includes verifying compatibility with the specific Cummins engine model and other components within the fuel system. Proper installation is key to maintaining the integrity of the fuel supply system and ensuring optimal engine performance.

Maintenance and Troubleshooting

Regular maintenance of the 3691462 is recommended to ensure it operates effectively over its lifespan. This includes inspecting the tube for signs of wear, corrosion, or leaks, and replacing it if any issues are detected. Common problems may include fuel leaks or reduced fuel flow, which can often be traced back to the fuel supply tube. Addressing these issues promptly can prevent more significant engine problems and maintain vehicle performance.

Safety Considerations

When working with the Cummins 3691462, it is important to observe safety guidelines to protect against fuel spills, fires, and other hazards. This includes proper handling of the component to avoid damage, secure storage to prevent fuel leaks, and safe disposal practices for old or damaged tubes. Adhering to these safety practices is crucial for maintaining a safe working environment and ensuring the reliable operation of the vehicle’s fuel system.

Cummins Overview

Cummins Inc. is a renowned manufacturer of diesel engines and related components, with a strong reputation for quality and innovation in the commercial vehicle industry. Founded in 1919, Cummins has grown to become a global leader in power solutions, offering a wide range of products designed to meet the demanding requirements of heavy-duty applications. Their commitment to excellence and customer satisfaction has established Cummins as a trusted name in the industry.

Cummins Engine Compatibility with Fuel Supply Tube Part 3691462

The Cummins Fuel Supply Tube part number 3691462 is designed to fit seamlessly with a range of Cummins engines. This part is essential for maintaining the integrity of the fuel supply system, ensuring efficient and reliable engine performance.

X15 CM2350 Series

The part 3691462 is compatible with the X15 CM2350 engines, specifically the X15 CM2350 X123B variant. This compatibility ensures that the fuel supply tube integrates smoothly with the engine’s design, providing a stable and efficient fuel delivery system.

X15 CM2450 Series

Similarly, the part 3691462 fits the X15 CM2450 engines, including the X15 CM2450 X134B variant. This compatibility is crucial for maintaining the engine’s performance and ensuring that the fuel supply system operates without any issues.

Cross-Compatibility

The design of the Cummins Fuel Supply Tube part 3691462 allows it to be used across different variants within the X15 CM2350 and X15 CM2450 series. This cross-compatibility simplifies maintenance and repair processes, as technicians can use the same part number for multiple engine models, reducing inventory complexity and ensuring quick availability of necessary components.

Installation and Maintenance

When installing the Cummins Fuel Supply Tube part 3691462, it is important to follow the manufacturer’s guidelines to ensure proper fitment and functionality. Regular maintenance checks should be performed to verify that the fuel supply tube remains in good condition, free from leaks or damage, which could compromise engine performance.

Role of Part 3691462 Fuel Supply Tube in Engine Systems

The 3691462 Fuel Supply Tube is an integral component in the fuel delivery system of an engine. It facilitates the smooth and consistent transfer of fuel from the fuel tank to the fuel filter and subsequently to the engine’s fuel injectors or carburetor.

In modern fuel-injected engines, the Fuel Supply Tube connects the fuel tank to the fuel filter, ensuring that any contaminants or debris are removed from the fuel before it reaches the injectors. This clean fuel supply is essential for maintaining the efficiency and performance of the fuel injectors, which atomize the fuel for optimal combustion within the engine cylinders.

In carbureted engines, the Fuel Supply Tube similarly transports fuel from the tank to the carburetor. Here, the fuel is mixed with air before entering the combustion chamber. The consistent flow provided by the Fuel Supply Tube ensures that the carburetor can maintain the correct air-fuel ratio, which is vital for engine performance and emissions control.

Overall, the 3691462 Fuel Supply Tube plays a significant role in ensuring that the engine receives a steady and clean supply of fuel, which is fundamental for efficient operation and longevity of the engine components.

Conclusion

The Cummins 3691462 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 robust construction, compatibility with various Cummins engines, and essential role in maintaining engine performance make it a critical part of the vehicle’s fuel system. Regular maintenance and adherence to safety guidelines are necessary to ensure the longevity and reliability of this component.