3925334
Oil Filler Tube
Cummins®

Introduction

The Cummins 3925334 Oil Filler Tube is a critical component for the maintenance and operation of heavy-duty trucks. It facilitates the addition of oil to the engine, ensuring that the lubrication system functions correctly. This part is essential for maintaining engine health and performance, playing a significant role in the routine maintenance of commercial trucks.

Basic Concepts of Oil Filler Tubes

An oil filler tube is a conduit through which oil is added to the engine. Its function within the engine system is to provide a pathway for oil to reach the lubrication points, ensuring that all moving parts are adequately coated. This contributes to the overall lubrication process by maintaining the necessary oil levels within the engine, which is vital for reducing friction and wear on engine components ¹.

Purpose of the Cummins 3925334 Oil Filler Tube

The Cummins 3925334 Oil Filler Tube specifically serves to facilitate the addition of oil to the engine of a truck. It is designed to ensure that oil can be added efficiently and safely, without spillage or contamination. This part plays a role in maintaining the correct oil level, which is necessary for optimal engine performance and longevity ².

Key Features

The Cummins 3925334 Oil Filler Tube is constructed from durable materials that resist corrosion and wear, ensuring longevity in demanding environments. Its design includes features such as a secure fitting mechanism to prevent leaks and a smooth interior to allow for easy oil flow. These characteristics enhance its performance and durability, making it a reliable component for heavy-duty applications ³.

Benefits

Using the Cummins 3925334 Oil Filler Tube offers several benefits. It contributes to improved engine performance by ensuring consistent oil levels, which are crucial for lubrication. The design of the tube also makes it easy to use, reducing the time required for oil changes. Additionally, its durable construction promotes longevity, providing a reliable solution for commercial truck maintenance ⁴.

Installation Process

Installing the Cummins 3925334 Oil Filler Tube involves several steps to ensure correct fitting. First, the old tube should be removed, taking care not to damage surrounding components. The new tube should then be aligned with the engine’s oil fill port and secured in place using the provided fittings. Tools required may include wrenches and sealant to ensure a tight seal. It is important to follow the manufacturer’s instructions to ensure proper installation ⁵.

Troubleshooting Common Issues

Common issues with oil filler tubes may include leaks or blockages. To address leaks, inspect the tube and fittings for damage or misalignment. Tightening fittings or replacing damaged components may resolve the issue. For blockages, ensure that the tube is clear of debris and that oil flows freely. Regular inspection and maintenance can help prevent these issues ¹.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 3925334 Oil Filler Tube, regular maintenance practices should be followed. This includes inspecting the tube for signs of wear or damage, cleaning the area around the tube to prevent contamination, and ensuring that oil levels are maintained within the recommended range. Following these practices will help maintain the efficiency of the lubrication system 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 a broad product range, Cummins is renowned for its quality and reliability in the commercial truck industry. The company’s commitment to excellence is reflected in its products, including the Cummins 3925334 Oil Filler Tube, which is designed to meet the demanding requirements of heavy-duty truck applications ³.

Cummins Oil Filler Tube Part 3925334 Compatibility

The Cummins Oil Filler Tube part number 3925334 is designed to fit seamlessly into several engine models, ensuring proper oil management and maintenance. Here are the engines where this part is compatible:

6C8.3 Engines

The 6C8.3 engine series benefits from the 3925334 Oil Filler Tube, which is engineered to provide a reliable pathway for oil replenishment. This part ensures that the oil level can be checked and topped off easily, maintaining the engine’s optimal performance.

C GAS PLUS CM556 Engines

For the C GAS PLUS CM556 engines, the 3925334 Oil Filler Tube is a crucial component. It allows for efficient oil filling, which is essential for the engine’s longevity and efficiency. This part is designed to fit precisely, ensuring that oil can be added without spillage or contamination.

C8.3 G Engines

The C8.3 G engine also utilizes the 3925334 Oil Filler Tube. This part is integral to the engine’s maintenance routine, providing a clear and accessible route for oil addition. Its design ensures that the oil level is maintained correctly, which is vital for the engine’s performance and durability.

By using the 3925334 Oil Filler Tube, owners of these engines can ensure that their machines are well-maintained and running smoothly. This part is a key element in the engine’s maintenance system, providing a straightforward and effective way to manage oil levels ⁴.

Role of Part 3925334 Oil Filler Tube in Engine Systems

The oil filler tube (part 3925334) is an integral component in the lubrication system of an engine, facilitating the efficient and controlled addition of oil to the system. Its primary function is to direct oil into the cylinder block where it is distributed to various moving parts to reduce friction and wear.

Integration with Engine Components

1. Oil Fill Arrangement: The oil filler tube is part of the overall oil fill arrangement, which includes the oil tank, oil lines, and the filler cap. This arrangement ensures that oil is added to the system in a manner that maintains the correct oil level and pressure.

2. Cylinder Block: Once oil is introduced through the filler tube, it flows into the cylinder block. The cylinder block houses the engine’s cylinders, pistons, and other critical components. Proper lubrication here is essential for the smooth operation and longevity of these parts.

3. Oil Filler Cap: The filler tube is typically connected to an oil filler cap, which allows for the addition of oil and also serves as a pressure relief valve. This cap ensures that oil is added without contamination and that any excess pressure within the system is safely released.

4. Engine Cover: The engine cover often incorporates the mounting points for the oil filler tube. This cover not only protects internal components but also provides a streamlined path for the oil to travel from the filler tube to the cylinder block.

Functional Dynamics

The oil filler tube works in conjunction with these components to ensure that the engine remains well-lubricated. When oil is added through the filler tube, it passes through the cylinder block and is pumped by the oil pump to various engine parts, including the crankshaft, camshaft, and valve train. This continuous lubrication cycle is vital for the engine’s performance and durability.

Conclusion

In summary, the oil filler tube (part 3925334) plays a significant role in the lubrication system by ensuring that oil is efficiently added and distributed throughout the engine, supporting the smooth operation of all moving parts. Regular maintenance and proper installation of this part are crucial for the longevity and performance of heavy-duty truck engines ⁵.