3934040
Oil Suction Connection
Cummins®

The 3934040 Oil Suction Connection, manufactured by Cummins, is a vital component in the lubrication system of heavy-duty trucks. This part ensures a consistent supply of oil to the engine, which is crucial for reducing friction, dissipating heat, and removing contaminants from moving parts ³.

Basic Concepts of Oil Suction Connection

An oil suction connection is integral to the engine’s lubrication system, facilitating the flow of oil from the oil pan to the oil pump. This ensures that the engine receives a steady supply of lubricant, which is essential for maintaining engine performance and longevity ⁴.

Purpose of the 3934040 Oil Suction Connection

The 3934040 is designed to enhance the efficiency of the lubrication system in heavy-duty trucks. By ensuring a steady flow of oil to critical engine components, it contributes to smoother operation, reduced wear and tear, and extended engine life. Its role is particularly important in maintaining engine performance under varying load conditions ¹.

Key Features

This Cummins part is constructed from durable materials to withstand high pressures and temperatures within the engine compartment. Its design includes features that enhance oil flow efficiency and reduce the risk of leaks. Additionally, it is engineered to be compatible with a range of Cummins engines, offering versatility and reliability ².

Benefits

Utilizing the 3934040 can lead to improved engine efficiency and reliability. By ensuring optimal oil flow, it helps in maintaining engine performance and can potentially reduce maintenance costs for fleet operators. Its robust construction and design also contribute to the overall durability and longevity of the engine ³.

Installation Process

Installing this part requires careful attention to ensure a secure fit within the engine system. The process involves preparing the engine compartment, aligning the connection with the oil pan, and using the appropriate tools to secure it in place. Detailed instructions should be followed to avoid common installation errors ¹.

Maintenance Tips

To ensure the 3934040 operates efficiently, regular maintenance is recommended. This includes inspecting the connection for signs of wear or damage, cleaning it as necessary, and replacing it if any issues are detected. Adhering to a maintenance schedule can help prevent unexpected failures and ensure consistent engine performance ⁴.

Troubleshooting Common Issues

Common issues with the 3934040 may include leaks or blockages, which can affect oil flow and engine performance. Troubleshooting these problems involves inspecting the connection for damage, checking for proper alignment, and ensuring there are no obstructions in the oil path. Addressing these issues promptly can help maintain engine efficiency ².

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its wide range of engine and component products. With a history of innovation and quality, Cummins has established a strong reputation for producing reliable and efficient engine parts. The company’s commitment to excellence is reflected in its product offerings, including the 3934040 Oil Suction Connection ³.

Role of 3934040 Oil Suction Connection in Engine Systems

The 3934040 is an essential component in the lubrication system of an engine, facilitating the efficient circulation of oil. This component is strategically positioned to interface with the oil pan, which serves as the primary reservoir for engine oil ⁴.

Interaction with the Oil Pan

The Oil Suction Connection is designed to draw oil from the oil pan. It is typically attached to the pan via a fitting that ensures a secure and leak-free connection. The suction process begins when the engine is running, and the oil pump activates. The connection allows the pump to draw oil from the pan, ensuring a consistent supply of lubricant to the engine’s moving parts ¹.

Ensuring Efficient Oil Circulation

By maintaining a reliable connection between the oil pan and the pump, the 3934040 plays a significant role in the overall efficiency of the lubrication system. Proper oil circulation is vital for reducing friction, dissipating heat, and prolonging the lifespan of engine components ².

Integration with Other Components

While the primary function of the Oil Suction Connection is to interface with the oil pan, its role extends to supporting the functionality of other engine components. Efficient oil suction directly impacts the performance of the oil filter, which relies on a steady flow of oil to trap contaminants. Additionally, the connection ensures that the oil reaches critical engine parts such as bearings, pistons, and camshafts, which depend on a continuous supply of lubricant to operate smoothly ³.

Conclusion

The 3934040 Oil Suction Connection is a key element in the engine’s lubrication system, ensuring that oil is effectively drawn from the pan and circulated throughout the engine to maintain optimal performance and longevity. Regular maintenance and prompt troubleshooting of common issues are essential to ensure the efficient operation of this part and the overall health of the engine ⁴.