3280759
Tube Nut
Cummins®

The Tube Nut Fitting 3280759, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the industry, produces a range of parts and systems that contribute to the efficiency and reliability of commercial vehicles. This Cummins part is significant in maintaining the integrity of fluid systems within these trucks.

Basic Concepts of Tube Nut Fittings

Tube nut fittings are components used in fluid systems to connect tubes and pipes securely. They are designed to create a tight seal, preventing leaks and ensuring the efficient transfer of fluids. These fittings are essential in various applications, including fuel, hydraulic, and coolant systems, where secure connections are necessary to maintain system performance and safety ¹.

Purpose of the 3280759 Tube Nut Fitting in Truck Operations

The 3280759 Tube Nut Fitting plays a role in the operation of commercial trucks by providing secure connections in various fluid systems. It is applied in fuel lines to ensure a consistent fuel supply, in hydraulic systems to maintain pressure and flow, and in coolant lines to support engine temperature regulation. Its design allows it to withstand the pressures and temperatures typical in these systems, contributing to the overall reliability of the truck ².

Key Features of the 3280759 Tube Nut Fitting

The 3280759 Tube Nut Fitting is constructed with specific features that enhance its performance and durability. It is made from materials that resist corrosion and wear, ensuring longevity in demanding environments. The fitting includes a specific thread type that allows for a secure connection to compatible tubes and pipes. Additionally, it may have unique attributes such as a reinforced nut or a specialized seal to improve its functionality ³.

Benefits of Using the 3280759 Tube Nut Fitting

Using the 3280759 Tube Nut Fitting provides several advantages. Its design contributes to improved leak resistance, which is vital for maintaining the efficiency of fluid systems. The fitting is also designed for ease of installation, reducing downtime during maintenance procedures. Furthermore, its construction ensures long-term reliability, even under the strenuous conditions typical of commercial truck operations.

Installation Guidelines

Proper installation of the 3280759 Tube Nut Fitting involves several steps to ensure a secure and leak-free connection. Preparatory steps may include cleaning the connection points and inspecting the fitting for any damage. During installation, it is important to follow torque specifications to achieve the correct tightness without over-tightening, which could damage the fitting or the connected components.

Maintenance and Troubleshooting

Maintaining the 3280759 Tube Nut Fitting involves regular inspection for signs of wear or corrosion. Common issues may include leaks, which can often be traced to improper installation or damage to the fitting. Basic troubleshooting steps include checking the torque of the fitting and ensuring that all connections are clean and free from debris. Addressing these issues promptly can help maintain the performance and longevity of the fitting.

Compatibility and Applications

The 3280759 Tube Nut Fitting is typically used in commercial truck systems where secure fluid connections are required. It is compatible with a range of tubes and pipes commonly found in these systems. When considering its use, it is important to ensure compatibility with other components to maintain system integrity and performance.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company’s product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicle operations.

Tube Nut Fitting 3280759 Compatibility with Cummins Engines

The Tube Nut Fitting part number 3280759, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part is integral to the engine’s cooling system, ensuring that coolant flows efficiently through the engine block.

Cummins 4B3.9 Engine

In the Cummins 4B3.9 engine, the Tube Nut Fitting 3280759 is used to secure the coolant tubes that connect to the engine block. This fitting is crucial for maintaining the integrity of the coolant system, preventing leaks, and ensuring optimal engine performance.

Cummins 6B5.9 and 6C8.3 Engines

Similarly, in the Cummins 6B5.9 and 6C8.3 engines, the Tube Nut Fitting 3280759 plays a vital role in the engine’s cooling system. These engines, known for their robust performance, rely on this fitting to maintain the structural integrity of the coolant passages. The 6B5.9 and 6C8.3 engines share similar design principles, making the Tube Nut Fitting 3280759 compatible with both.

The Tube Nut Fitting 3280759 is engineered to withstand the high pressures and temperatures typical of these engines, ensuring longevity and reliability. Its precision-made design guarantees a secure fit, reducing the risk of coolant leaks and maintaining the engine’s efficiency.

Role of Part 3280759 Tube Nut Fitting in Engine Systems

The Tube Nut Fitting, identified by part number 3280759, is a component in various engine systems, facilitating secure connections and efficient fluid transfer.

In an Engine Fittings Kit, the Tube Nut Fitting ensures reliable connections between different components, minimizing the risk of leaks and maintaining system integrity. It is often used to connect hoses, pipes, and other fluid-carrying elements, ensuring a tight seal that withstands the pressures and temperatures within the engine system.

During Engine Installation, the Tube Nut Fitting plays a significant role in assembling the fuel and fluid pathways. It simplifies the connection process between the engine block and external components, such as the fuel tank or cooling system, by providing a standardized fitting that can be quickly and securely attached.

In systems involving a Lift Pump, the Tube Nut Fitting is utilized to connect the pump to the fuel lines. This connection is vital for maintaining the flow of fuel from the tank to the engine, ensuring that the pump operates efficiently and delivers the necessary fuel pressure for optimal engine performance.

For the Fuel Transfer system, the Tube Nut Fitting is integral in linking the fuel lines to the injectors and other fuel distribution components. It ensures that fuel is transferred smoothly and under the correct pressure, which is essential for consistent engine operation and performance.

Overall, the Tube Nut Fitting (part 3280759) is a versatile and reliable component that enhances the functionality and efficiency of various engine systems by providing secure and leak-proof connections.

Conclusion

The 3280759 Tube Nut Fitting by Cummins is a critical component in the maintenance and operation of commercial truck fluid systems. Its design and features ensure secure connections, efficient fluid transfer, and long-term reliability. Proper installation, maintenance, and understanding of its compatibility with various engine models are essential for maximizing its benefits and ensuring the optimal performance of commercial vehicles.