3905408
Oil Filler Tube
Cummins®

The Cummins 3905408 Oil Filler Tube is a critical component designed to facilitate the addition of oil to the engine of heavy-duty trucks. This part is essential for the operation and maintenance of these vehicles, ensuring that the engine receives the necessary lubrication for optimal performance. Cummins Inc., a renowned manufacturer in the automotive industry, produces this oil filler tube, leveraging its expertise in engine components to deliver a reliable and efficient product ¹.

Basic Concepts of Oil Filler Tubes

An oil filler tube serves as a conduit for adding oil to the engine’s lubrication system. Its primary function is to provide a direct pathway for oil to reach the engine’s internal components, ensuring they are adequately lubricated. This lubrication is vital for reducing friction between moving parts, which in turn helps to maintain engine efficiency and longevity. Proper maintenance of the oil filler tube is essential for the overall performance and upkeep of the engine ².

Purpose of the 3905408 Oil Filler Tube

The 3905408 Oil Filler Tube plays a specific role in the lubrication system of a truck. It allows for the addition of oil to the engine, ensuring that oil levels are maintained at the appropriate level. This part contributes to the engine’s lubrication system by providing a secure and efficient means of adding oil, which is necessary for the engine’s moving parts to operate smoothly and efficiently ³.

Key Features

The 3905408 Oil Filler Tube is characterized by its robust design and construction. It is made from high-quality materials that ensure durability and resistance to the harsh conditions often encountered in heavy-duty truck operations. The tube’s design includes features that enhance its performance, such as a secure fitting mechanism that prevents leaks and ensures a tight seal. These attributes contribute to the tube’s reliability and effectiveness in the lubrication system.

Benefits of Using the 3905408 Oil Filler Tube

Utilizing the 3905408 Oil Filler Tube offers several advantages. Its design and construction contribute to improved engine performance by ensuring that oil is efficiently added to the engine. The ease of use associated with this part simplifies the process of maintaining proper oil levels, which is crucial for engine health. Additionally, the durability of the 3905408 Oil Filler Tube means it can withstand the rigors of heavy-duty truck operations, providing long-term value and reliability.

Installation Process

Installing the 3905408 Oil Filler Tube requires following a series of steps to ensure a secure and effective fit. The process involves preparing the engine compartment, aligning the tube with the existing fitting, and securing it in place. Tools required may include wrenches and sealant to ensure a leak-free connection. Adhering to best practices during installation, such as ensuring all connections are tight and free from debris, is important for the tube’s performance and longevity.

Maintenance Tips

Regular maintenance of the 3905408 Oil Filler Tube is important for ensuring optimal performance. This includes periodic inspections for signs of wear or damage, such as cracks or leaks. Cleaning the tube and its surrounding area can prevent the accumulation of dirt and debris, which could affect its operation. Following these maintenance tips can help extend the life of the oil filler tube and ensure the engine continues to receive the lubrication it needs.

Troubleshooting Common Issues

Common issues associated with oil filler tubes, such as leaks or blockages, can affect the engine’s lubrication system. Identifying these problems early is important for maintaining engine performance. Troubleshooting steps may include inspecting the tube for damage, ensuring connections are secure, and cleaning the area around the tube to remove any obstructions. Addressing these issues promptly can help prevent more significant problems down the line.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the automotive industry, known for its commitment to quality and innovation. With a history of producing reliable and efficient engine components, Cummins has established a reputation for excellence. The company’s dedication to advancing technology and improving product performance is evident in its wide range of automotive components, including the 3905408 Oil Filler Tube. Cummins’ focus on quality and customer satisfaction underscores its position as a trusted manufacturer in the industry.

Oil Filler Tube 3905408 Compatibility with Cummins Engines

The Cummins Oil Filler Tube part number 3905408 is designed to fit a variety of Cummins engines, ensuring proper oil management and maintenance. Here is a detailed breakdown of the engines compatible with this part:

4B3.9 and 6B5.9 Engines

The 4B3.9 and 6B5.9 engines, known for their robust performance, are compatible with the 3905408 Oil Filler Tube. This part ensures that the oil level can be easily checked and maintained, which is crucial for the longevity and efficiency of these engines.

6C8.3 and C8.3 G Engines

Both the 6C8.3 and C8.3 G engines benefit from the 3905408 Oil Filler Tube. This part is engineered to fit seamlessly, providing a reliable means to monitor and replenish oil levels, which is essential for maintaining engine health.

G8.3 and G8.3 CM558 Engines

The G8.3 and G8.3 CM558 engines are also compatible with the 3905408 Oil Filler Tube. This compatibility ensures that users can effectively manage oil levels, contributing to the overall performance and durability of these engines.

GTA8.3 CM558 and ISC CM554 Engines

The GTA8.3 CM558 and ISC CM554 engines are designed to work with the 3905408 Oil Filler Tube. This part is crucial for maintaining the correct oil levels, which is vital for the smooth operation of these engines.

ISL CM554 and L9.3 L105 Engines

The ISL CM554 and L9.3 L105 engines are compatible with the 3905408 Oil Filler Tube. This ensures that oil levels can be easily checked and maintained, which is important for the longevity and efficiency of these engines.

QSC8.3 CM554 and QSC8.3 CM850 (CM2850) Engines

The QSC8.3 CM554 and QSC8.3 CM850 (CM2850) engines are designed to fit the 3905408 Oil Filler Tube. This part is essential for ensuring that oil levels are properly managed, which is crucial for the performance and durability of these engines.

QSC9 CM2250/QSL9 CM2250 Engines

The QSC9 CM2250/QSL9 CM2250 engines are compatible with the 3905408 Oil Filler Tube. This ensures that oil levels can be easily checked and maintained, contributing to the overall efficiency and longevity of these engines.

QSL8.9 CM2150 L141 and QSL9 CM2250 Engines

The QSL8.9 CM2150 L141 and QSL9 CM2250 engines are designed to work with the 3905408 Oil Filler Tube. This part is crucial for maintaining the correct oil levels, which is vital for the smooth operation of these engines.

QSL9 CM2350 L102, QSL9 CM554, QSL9 CM850 (CM2850), QSL9 G CM558, and QSL9.3 CM2880 L113 Engines

The QSL9 CM2350 L102, QSL9 CM554, QSL9 CM850 (CM2850), QSL9 G CM558, and QSL9.3 CM2880 L113 engines are also compatible with the 3905408 Oil Filler Tube. This ensures that oil levels can be easily checked and maintained, which is important for the longevity and efficiency of these engines.

Role of Part 3905408 Oil Filler Tube in Engine Systems

The 3905408 Oil Filler Tube is an essential component in the lubrication system of an engine, facilitating the proper flow and distribution of oil to various engine parts. This component is strategically positioned to interact with several key elements within the engine system.

Interaction with the Oil Fill System

The Oil Filler Tube is directly connected to the oil fill system, allowing for the introduction of oil into the engine. It ensures a smooth and controlled flow of oil, preventing spills and ensuring that the oil reaches its intended destination within the engine.

Connection to the Cylinder Block

Once oil passes through the Oil Filler Tube, it typically enters the cylinder block. The cylinder block houses the cylinders, pistons, and other moving parts that require lubrication. The Oil Filler Tube’s role is to ensure that oil is efficiently directed into the cylinder block, maintaining the necessary lubrication for these components.

Integration with the Oil Filler Connection

The Oil Filler Tube is often part of a larger assembly that includes the Oil Filler Connection. This connection point is where the Oil Filler Tube interfaces with other components of the lubrication system, such as the oil pan or the full flow oil filter. This integration ensures a seamless transition of oil from the filler tube to the rest of the system.

Relationship with the Full Flow Oil Filter

After passing through the Oil Filler Tube, oil usually flows into the full flow oil filter. The full flow oil filter is responsible for removing contaminants and ensuring that only clean oil circulates through the engine. The Oil Filler Tube’s efficient design helps maintain the integrity of the oil as it moves toward the filter.

Role in the Oil Filler Tube Kit and Repair Kit

The Oil Filler Tube is often included in oil filler tube kits and repair kits. These kits are designed to replace or repair damaged components within the lubrication system. The inclusion of the Oil Filler Tube in these kits underscores its importance in maintaining the overall health and efficiency of the engine’s lubrication system.

Contribution to the Cover and Arrangement of Engine Components

The Oil Filler Tube also plays a role in the arrangement and cover of engine components. It is typically positioned in a way that allows for easy access during maintenance procedures, such as oil changes. Its design contributes to the overall arrangement of components, ensuring that the lubrication system is both efficient and accessible for regular maintenance.

Summary of Component Interactions

• Oil Fill: Introduces oil into the system.
• Cylinder Block: Directs oil to moving parts requiring lubrication.
• Oil Filler Connection: Interfaces with other lubrication system components.
• Full Flow Oil Filter: Ensures clean oil circulation.
• Oil Filler Tube Kit and Repair Kit: Included for maintenance and repair purposes.
• Cover and Arrangement: Contributes to the overall design and accessibility of the lubrication system.

Conclusion

The Cummins 3905408 Oil Filler Tube is a vital component in the lubrication system of heavy-duty truck engines. Its robust design, ease of installation, and compatibility with a wide range of Cummins engines make it an essential part for maintaining engine performance and longevity. Regular maintenance and prompt troubleshooting of common issues are crucial for ensuring the optimal operation of this part and the engine as a whole.