3691502
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3691502 Fuel Supply Tube is a critical component designed for use in heavy-duty trucks. Its primary function is to facilitate the delivery of fuel from the tank to the engine, ensuring a consistent and reliable fuel supply. This component plays a significant role in the overall operation and efficiency of the vehicle ².

Basic Concepts of Fuel Supply Tubes

A fuel supply tube is a conduit within the fuel system that transports fuel from the tank to the engine. Its function is vital for maintaining the engine’s performance, as it ensures that fuel is delivered at the correct pressure and flow rate. The efficiency and reliability of the fuel supply tube directly impact the engine’s ability to operate smoothly and efficiently ¹.

Purpose of the Cummins 3691502 Fuel Supply Tube

The Cummins 3691502 Fuel Supply Tube is integral to the fuel delivery system of a truck. It ensures a consistent flow of fuel to the engine, which is necessary for optimal performance. By maintaining a steady fuel supply, this component helps in achieving efficient combustion and overall engine reliability ².

Key Features

The Cummins 3691502 Fuel Supply Tube is constructed from durable materials that are resistant to the corrosive effects of fuel. Its design includes features that enhance its performance and longevity, such as reinforced connections and a smooth interior to minimize fuel flow resistance. These attributes contribute to the tube’s ability to withstand the demanding conditions of heavy-duty truck operation ².

Benefits of Using the Cummins 3691502 Fuel Supply Tube

Utilizing the Cummins 3691502 Fuel Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and clean fuel supply to the engine. Additionally, it enhances engine performance by maintaining optimal fuel delivery, which is crucial for the engine’s power output and reliability under various operating conditions ².

Installation Process

Installing the Cummins 3691502 Fuel Supply Tube requires careful attention to detail to ensure a secure and proper fit. The process involves disconnecting the old tube, cleaning the fuel system, and connecting the new tube with the appropriate fittings. Tools such as wrenches and fuel line disconnect tools may be necessary. Following the manufacturer’s guidelines for installation is recommended to ensure the tube is fitted correctly ².

Troubleshooting Common Issues

Common problems with fuel supply tubes include leaks and blockages. Leaks can often be identified by fuel odors or visible fuel spills, while blockages may result in engine performance issues. Troubleshooting steps include inspecting the tube for visible damage, checking connections for tightness, and ensuring there are no obstructions within the tube. Addressing these issues promptly can prevent more significant problems ².

Maintenance Tips

Regular maintenance of the Cummins 3691502 Fuel Supply Tube is important for prolonging its lifespan. This includes periodic inspections for signs of wear or damage, cleaning the tube to remove any contaminants, and replacing the tube according to the manufacturer’s recommendations or when signs of degradation are observed. Proper maintenance ensures the fuel supply system operates efficiently and reliably ².

About Cummins

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 serves customers in approximately 190 countries and territories through a network of company-owned and independent distributor facilities and dealerships. The company is known for its commitment to providing reliable and efficient power solutions across various industries, including automotive and heavy-duty trucking ².

Cummins Fuel Supply Tube 3691502 Compatibility

The Cummins Fuel Supply Tube 3691502 is designed to ensure the efficient and reliable delivery of fuel within specified engine models. This part is engineered to fit seamlessly with the ISX15 CM2350 X101 and X15 CM2350 X116B engines, ensuring optimal performance and longevity.

ISX15 CM2350 X101

The ISX15 CM2350 X101 engine benefits from the precision engineering of the Fuel Supply Tube 3691502. This part is specifically designed to interface with the engine’s fuel system, ensuring that fuel is delivered at the correct pressure and flow rate. The tube’s robust construction and precise fitment help maintain the engine’s efficiency and reliability, reducing the risk of fuel leaks and other related issues ².

X15 CM2350 X116B

Similarly, the X15 CM2350 X116B engine is engineered to work in harmony with the Cummins Fuel Supply Tube 3691502. This part is integral to the engine’s fuel delivery system, providing a reliable conduit for fuel to reach the combustion chamber. The tube’s design ensures that fuel is delivered consistently, contributing to the engine’s overall performance and durability ².

By integrating the Fuel Supply Tube 3691502 into these engines, Cummins ensures that the fuel system operates smoothly, enhancing the engine’s efficiency and reducing maintenance needs. This compatibility underscores Cummins’ commitment to providing high-quality, reliable components for their engines ².

Role of Part 3691502 Fuel Supply Tube in Engine Systems

The Part 3691502 Fuel Supply Tube is an integral component in the fuel delivery system of various engine setups. It facilitates the transfer of fuel from the fuel tank to the engine’s fuel filter and subsequently to the fuel injectors or carburetor. This seamless flow ensures that the engine receives a consistent and regulated supply of fuel, which is essential for optimal performance and efficiency ².

In systems equipped with a fuel filter, the Fuel Supply Tube connects directly to the filter, allowing fuel to pass through while trapping contaminants that could otherwise damage sensitive engine components. The filtered fuel then moves through the tube towards the fuel injectors, where it is atomized and mixed with air before entering the combustion chamber.

For engines utilizing a carburetor, the Fuel Supply Tube delivers fuel to the carburetor, where it is mixed with air in a venturi and drawn into the engine cylinders. This precise delivery is vital for maintaining the correct air-fuel ratio, which is fundamental to engine performance and emissions control ².

In both setups, the Fuel Supply Tube’s role is to provide a reliable and uninterrupted path for fuel, ensuring that the engine operates smoothly and efficiently. Its design and material are chosen to withstand the pressures and temperatures within the fuel system, contributing to the durability and longevity of the engine’s fuel delivery network ².

Conclusion

The Cummins 3691502 Fuel Supply Tube is a vital component in the fuel delivery system of heavy-duty trucks. Its role in ensuring a consistent and reliable fuel supply contributes significantly to the engine’s performance and efficiency. Proper installation, maintenance, and troubleshooting of this part are essential for the optimal operation of the vehicle ².