5398006
Filler Cap
Cummins®

The Cummins 5398006 Filler Cap is a component designed for use in the fueling systems of commercial trucks. Its role is to facilitate the refueling process while maintaining the integrity of the fuel system. This part is significant in ensuring that the fueling operation is conducted safely and efficiently, contributing to the overall performance and reliability of the truck ¹.

Purpose and Function

The Cummins 5398006 Filler Cap serves a role in the fueling system by allowing fuel to be added to the tank while preventing contaminants from entering. It also plays a part in maintaining pressure within the fuel system and ensuring that fuel does not leak during transportation. The cap is engineered to create a secure seal when closed, which is important for the safe and efficient operation of the truck’s fuel system ².

Key Features

The Cummins 5398006 Filler Cap is constructed with materials that offer durability and resistance to the corrosive effects of fuel. It incorporates a sealing mechanism that ensures a tight fit, reducing the risk of fuel spillage and contamination. The design of the cap may include features such as a venting system to allow air to escape from the tank as it fills, which helps maintain pressure balance and facilitates a smoother refueling process ³.

Benefits

The Cummins 5398006 Filler Cap provides several advantages, including enhanced fuel system security through its sealing capabilities, ease of use with a design that allows for quick and secure refueling, and durability that ensures long-term performance. These benefits contribute to the truck’s efficiency and reliability by ensuring that the fuel system operates without leaks or contamination.

Installation and Compatibility

Proper installation of the Cummins 5398006 Filler Cap is important to ensure it functions as intended. It is designed to be compatible with specific truck models, and installation should follow manufacturer guidelines to ensure a secure fit and proper operation. Specific requirements or considerations for installation may include ensuring the cap is correctly aligned and tightened to the recommended torque specifications.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 5398006 Filler Cap is recommended to ensure its longevity and proper function. This may include periodic inspection for signs of wear or damage and cleaning the cap and its sealing surfaces to maintain a secure fit. Common issues that may arise include difficulty in sealing or fuel leaks, which can often be addressed by inspecting and replacing worn components or ensuring the cap is correctly installed.

Safety Considerations

When handling and maintaining the Cummins 5398006 Filler Cap, it is important to follow safety guidelines to prevent accidents. This includes ensuring that the truck’s engine is off and that there are no sources of ignition near the fuel system during refueling or maintenance. Proper installation and regular inspections are important to prevent fuel leaks and ensure the safe operation of the vehicle.

Environmental Impact

The use of the Cummins 5398006 Filler Cap can contribute to reduced fuel spillage and improved fuel system efficiency, which are beneficial for the environment. By minimizing leaks and ensuring that the fuel system operates efficiently, this component helps in reducing the environmental footprint of trucking operations.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its commitment to innovation and quality. The company has a history of developing reliable and efficient truck components, and the Cummins 5398006 Filler Cap is a testament to their dedication to enhancing the performance and safety of commercial vehicles.

Cummins Engine Filler Cap Compatibility

The Cummins part number 5398006, a filler cap, is designed to fit a range of Cummins engines. This filler cap is a component for maintaining the integrity of the fuel system by preventing contaminants from entering and ensuring proper fuel levels are maintained.

QSB4.5 Series

The QSB4.5 CM2250 EC engine is part of the QSB4.5 series, which includes the following engines:

• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)

These engines are known for their reliability and efficiency, often used in various applications such as agricultural and construction equipment. The filler cap 5398006 is compatible with these engines, ensuring a secure seal and easy access for refueling.

QSB6.7 Series

The QSB6.7 CM850 (CM2850) engine is part of the QSB6.7 series, which includes:

• QSB6.7 CM850 (CM2850)

This engine is recognized for its robust performance and is commonly used in heavy-duty applications. The filler cap 5398006 fits this engine, providing the necessary functionality to maintain the fuel system’s cleanliness and efficiency.

QSB7 Series

The QSB7 CM2880 B117 engine is part of the QSB7 series, which includes:

• QSB7 CM2880 B117

This engine is designed for high-performance applications and is often found in industrial and marine settings. The filler cap 5398006 is compatible with this engine, ensuring it meets the demands of these rigorous environments.

QSC8.3 Series

The QSC8.3 CM850 (CM2850) engine is part of the QSC8.3 series, which includes:

• QSC8.3 CM850 (CM2850)

This engine is known for its power and efficiency, commonly used in various industrial applications. The filler cap 5398006 fits this engine, providing the necessary functionality to maintain the fuel system’s integrity.

By ensuring the correct fitment of the filler cap 5398006, users can maintain the performance and longevity of their Cummins engines.

Role of Part 5398006 Filler Cap in Engine Systems

The Part 5398006 Filler Cap is a component in ensuring the proper functioning of various engine systems. Its primary role is to facilitate the secure and efficient addition of fluids, such as oil, into the engine. This part interfaces directly with the valve cover, which is a component that protects the valve train within the engine.

When the Filler Cap is correctly installed, it creates a sealed environment that prevents contaminants from entering the engine while allowing for easy fluid top-ups. The valve cover, in conjunction with the Filler Cap, ensures that the internal components remain lubricated and operate smoothly.

Moreover, the valve cover arrangement, which includes gaskets and seals, works in harmony with the Filler Cap to maintain the integrity of the engine’s lubrication system. This arrangement is designed to withstand the pressures and temperatures within the engine compartment, ensuring that the Filler Cap performs reliably over time.

Conclusion

In summary, the Part 5398006 Filler Cap plays a role in maintaining the engine’s lubrication system by working seamlessly with the valve cover and its arrangement. This ensures that the engine components remain well-lubricated, contributing to the overall efficiency and longevity of the engine.