3931055
Oil Filler Tube
Cummins®

The Cummins 3931055 Oil Filler Tube is a critical component for heavy-duty trucks, facilitating the addition of oil to the engine. Proper oil levels are essential for engine performance and longevity, making this part integral to the vehicle’s lubrication system ¹.

Basic Concepts of an Oil Filler Tube

An oil filler tube serves as a conduit for adding engine oil to the crankcase. It ensures oil reaches the sump, where it is stored and circulated to lubricate moving parts, contributing to engine performance and longevity by reducing wear and maintaining efficiency ².

Purpose of the Cummins 3931055 Oil Filler Tube

This Cummins part is designed to maintain proper oil levels in the engine, ensuring lubrication of components, cooling, and sealing of combustion chambers. It facilitates the addition of oil, which is vital for maintaining engine performance and extending operational life ³.

Key Features

The 3931055 is constructed from durable materials resistant to high temperatures and pressures. It features a secure fitting mechanism to prevent leaks and a robust design to withstand heavy-duty use, enhancing its performance and longevity ⁴.

Benefits

This part offers improved engine performance through consistent oil levels, ease of use for maintenance personnel, and reliability under various operating conditions. Its design ensures efficient oil addition, contributing to the vehicle’s overall efficiency and reliability.

Installation Process

Installing the 3931055 requires following specific steps to ensure a secure fit. This involves preparing the engine area, aligning the tube with the fitting, and securing it in place. Tools such as wrenches and sealant may be needed for a leak-proof connection. Adhering to manufacturer guidelines is crucial for proper installation.

Maintenance Tips

To ensure the longevity and optimal performance of the 3931055, regular maintenance practices should be observed. This includes inspecting the tube for wear or damage, cleaning it to remove debris, and ensuring it remains securely fitted to prevent leaks.

Troubleshooting Common Issues

Common issues with oil filler tubes include leaks or blockages. Addressing these involves identifying the problem source, whether it’s a loose fitting, damage to the tube, or obstruction within the tube. Troubleshooting steps include tightening connections, replacing damaged parts, or cleaning the tube to remove obstructions.

Compatibility and Usage

The 3931055 is designed for specific engines and truck models. It’s important to consult compatibility information to ensure suitability for the intended application. Usage guidelines may include restrictions on the type of oil to be used or operational parameters to be observed.

Safety Considerations

When working with the 3931055, it’s important to observe safety practices to protect against injury and ensure the safe operation of the vehicle. This includes handling hot oil with care, ensuring proper ventilation during maintenance procedures, and following all manufacturer safety guidelines.

Cummins Corporation Overview

Cummins Inc. is a global power leader known for its commitment to quality, innovation, and customer satisfaction. The company designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. Cummins’ product range includes components and systems designed to enhance vehicle performance, efficiency, and reliability across various applications.

Cummins Oil Filler Tube 3931055 Compatibility

The Cummins Oil Filler Tube part number 3931055 is designed to fit seamlessly with various Cummins engines, ensuring proper oil management and maintenance. This part provides a reliable connection between the oil reservoir and the engine, facilitating easy oil level checks and refills.

Engine Compatibility

• 6B5.9 Series Engines
  • The Oil Filler Tube 3931055 is specifically engineered to fit the 6B5.9 series engines. This compatibility ensures that the tube aligns perfectly with the engine’s design, providing a secure and leak-proof seal. The 6B5.9 engines are known for their robust performance and reliability, making this part an essential component for maintaining engine health.

Installation and Usage

When installing the Oil Filler Tube 3931055, it is crucial to follow the manufacturer’s guidelines to ensure a proper fit and function. This part is designed to be straightforward to install, with clear instructions provided to assist users in its placement. Proper installation ensures that the engine operates efficiently and that oil levels can be monitored without difficulty.

Importance of the Oil Filler Tube

The Oil Filler Tube is a critical component in the engine’s lubrication system. It allows for the easy addition of oil, which is essential for maintaining the engine’s performance and longevity. By providing a clear and accessible path for oil, this part helps prevent engine damage due to insufficient lubrication.

Role of Part 3931055 Oil Filler Tube in Engine Systems

The 3931055 Oil Filler Tube is an essential component in the lubrication system of an engine, facilitating the proper flow of oil to various engine parts. When integrated with the engine cover and cylinder block, this component ensures efficient oil distribution and maintenance of optimal engine performance.

Integration with Engine Cover

The engine cover serves as a protective enclosure for the internal components, including the lubrication system. The 3931055 Oil Filler Tube is designed to interface seamlessly with the engine cover, allowing for easy access during oil changes or top-ups. This integration ensures that the oil filler tube is securely positioned, preventing any oil leaks that could compromise engine efficiency and safety. The tube’s placement on the cover also aids in directing oil flow towards the cylinder block without obstruction.

Interaction with Cylinder Block

The cylinder block is the structural core of the engine, housing the cylinders, pistons, and other critical components. The 3931055 Oil Filler Tube plays a significant role in ensuring that the cylinder block receives a consistent supply of oil. By connecting to the engine’s lubrication system, the tube allows oil to flow into the block, lubricating the moving parts such as pistons, crankshaft, and camshaft. This lubrication is vital for reducing friction, minimizing wear, and enhancing the overall durability of the engine.

Conclusion

In summary, the 3931055 Oil Filler Tube is a key component that works in conjunction with the engine cover and cylinder block to maintain the engine’s lubrication system. Its proper installation and function are essential for the sustained performance and longevity of the engine.