3905223
Oil Suction Connection
Cummins®

The Oil Suction Connection, part number 3905223, is a component manufactured by Cummins, a prominent entity in the automotive industry, especially recognized for its diesel engines and related components. This part is integral to the operation of heavy-duty trucks, playing a significant role in the engine’s lubrication system. Cummins is renowned for producing reliable and high-quality automotive components, and the Oil Suction Connection is no exception.

Basic Concepts of Oil Suction Connection

Oil suction connections are fundamental to the lubrication systems of diesel engines. They facilitate the circulation of oil within the engine, ensuring that all moving parts are adequately lubricated. The Oil Suction Connection is designed to draw oil from the sump and deliver it to the engine’s lubrication system, where it is distributed to critical components to reduce friction and wear ².

Purpose and Function

The Oil Suction Connection serves a vital function within a truck’s engine system. It is responsible for drawing oil from the oil pan and directing it towards the engine’s lubrication system. This process is essential for maintaining the engine’s efficiency and longevity, as proper lubrication reduces friction between moving parts, minimizes wear, and helps dissipate heat ¹.

Key Features

The Oil Suction Connection is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials that are resistant to corrosion and wear, ensuring longevity even under the demanding conditions of heavy-duty truck operation. The design of the connection is optimized for efficient oil flow, and it includes features that facilitate easy installation and maintenance.

Benefits

The use of the Oil Suction Connection offers several benefits. It contributes to improved engine performance by ensuring consistent and efficient oil circulation. This leads to reduced friction and wear on engine components, enhancing the engine’s longevity and reliability. Furthermore, by maintaining optimal lubrication, the connection plays a role in the overall efficiency and maintenance of the truck.

Installation and Compatibility

Proper installation of the Oil Suction Connection is crucial for its effective operation. It is designed to be compatible with a range of Cummins engines, ensuring that it can be integrated into various systems without issues. Following the manufacturer’s guidelines for installation is recommended to ensure the connection functions as intended.

Maintenance and Troubleshooting

Regular maintenance of the Oil Suction Connection is important for its longevity and efficiency. This includes checking for leaks, ensuring the connection is secure, and inspecting for signs of wear or damage. Common issues may include oil leaks or reduced oil flow, which can often be addressed by tightening connections or replacing worn components.

Safety Considerations

When working with the Oil Suction Connection, it is important to observe safety practices to protect both the individual and the component. This includes ensuring the engine is off and cool before beginning any work, using the appropriate tools for installation and maintenance, and following all manufacturer guidelines to ensure personal safety and component integrity.

Cummins Corporation Overview

Cummins Corporation is a leader in the design, manufacture, and distribution of diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins is committed to innovation, quality, and customer service in the automotive industry. The company’s extensive product range and dedication to excellence make it a trusted name among professionals in the field.

Compatibility with Specific Engines

The Oil Suction Connection, part 3905223, is designed to fit seamlessly with a variety of Cummins engines. This component is crucial for ensuring the proper flow of oil within the engine system, maintaining lubrication and preventing wear and tear.

4B3.9 and B3.9 G Engines

The Oil Suction Connection is specifically engineered to integrate with the 4B3.9 and B3.9 G engines. These engines are known for their reliability and performance, and the part ensures that the oil is effectively drawn from the oil pan to the oil pump, maintaining optimal lubrication levels.

B4.5 Engine

Similarly, the part is compatible with the B4.5 engine. This engine variant benefits from the precise fit and function of the Oil Suction Connection, ensuring that the oil supply remains uninterrupted, which is vital for the engine’s longevity and efficiency.

QSB3.9 30 CM550 Engine

The Oil Suction Connection also fits the QSB3.9 30 CM550 engine. This particular engine model is designed for heavy-duty applications, and the part’s robust design ensures that it can handle the demands of such environments, providing a reliable oil suction mechanism.

General Application

Across these engine models, the Oil Suction Connection plays a pivotal role in the engine’s operation. Its design ensures that the oil is efficiently and effectively drawn from the oil pan, which is essential for maintaining the engine’s lubrication system and preventing potential damage due to insufficient oil flow.

Role of Part 3905223 Oil Suction Connection in Engine Systems

The Oil Suction Connection is an essential component in the lubrication system of an engine, facilitating the smooth operation and longevity of various engine parts. Its primary function is to draw oil from the oil pan and deliver it to the oil pump, which then circulates the oil throughout the engine.

Interaction with the Oil Pan

The oil pan serves as the reservoir for the engine’s lubrication system, storing a sufficient amount of oil to ensure continuous circulation. The oil suction connection is strategically positioned to interface with the oil pan. It creates a secure and efficient pathway for oil to be drawn from the pan. This connection ensures that the oil level in the pan is consistently monitored and maintained, preventing any potential damage due to oil starvation.

Contribution to Oil Circulation

Once the oil is suctioned from the pan, the oil suction connection channels it to the oil pump. The oil pump is responsible for pressurizing the oil and distributing it to various engine components, such as the crankshaft, camshaft, pistons, and bearings. Efficient oil circulation is vital for reducing friction, dissipating heat, and removing contaminants from these moving parts ².

Ensuring System Integrity

The oil suction connection plays a significant role in maintaining the integrity of the lubrication system. By providing a reliable connection between the oil pan and the pump, it ensures that the oil flow is uninterrupted. This consistent oil flow is essential for the proper functioning of the engine, as it helps in cooling, cleaning, and lubricating the internal components.

Conclusion

In summary, the Oil Suction Connection, part 3905223, is a key element in the engine’s lubrication system, working in tandem with the oil pan and oil pump to ensure optimal engine performance and durability. Its role in maintaining efficient oil circulation, ensuring system integrity, and contributing to the overall longevity of the engine underscores its importance in the operation of heavy-duty trucks.