3964028
Oil Suction Connection
Cummins®

The Oil Suction Connection part #3964028, manufactured by Cummins, is a component designed for use in heavy-duty truck engines. Cummins, a well-established name in the automotive industry, produces a range of parts and engines known for their reliability and performance. This Cummins part is integral to the lubrication system of these engines, ensuring that oil is efficiently circulated to critical components.

Basic Concepts of Oil Suction Connection

An oil suction connection is a component within an engine’s lubrication system that facilitates the drawing of oil from the oil pan or sump. Its function is to ensure a consistent and adequate supply of oil is available for circulation through the engine. This process is vital for maintaining proper lubrication of moving parts, reducing friction, and dissipating heat. The oil suction connection operates in conjunction with the oil pump, which creates a vacuum to draw oil through the connection and into the lubrication circuit ¹.

Purpose of the 3964028 Oil Suction Connection

This part plays a role in the oil circulation process by providing a secure and efficient pathway for oil to be drawn from the sump. It ensures that the oil pump can effectively suction oil, which is then pressurized and distributed to various engine components. Proper oil circulation is fundamental to engine longevity and performance, as it helps in minimizing wear and tear on engine parts ².

Key Features

The 3964028 Oil Suction Connection is characterized by its robust design and the quality materials used in its construction. It is engineered to withstand the high pressures and temperatures within the engine environment. The connection is typically made from durable metals that offer resistance to corrosion and wear. Additionally, it may feature precision-machined surfaces to ensure a tight seal and efficient oil flow.

Benefits

The use of the 3964028 Oil Suction Connection can lead to improved engine lubrication, which is beneficial for the overall health of the engine. Enhanced lubrication results in reduced friction between moving parts, which can contribute to increased engine efficiency and longevity. The durable construction of this part also means it can withstand the demanding conditions within a heavy-duty truck engine, providing reliable performance over time ³.

Installation Process

Installing the 3964028 Oil Suction Connection requires careful attention to ensure a secure and effective fit. Preparatory steps include cleaning the installation area to remove any debris that could interfere with the seal. The necessary tools for installation may include wrenches and sealants appropriate for high-temperature applications. It is important to follow the manufacturer’s guidelines for torque specifications to avoid over-tightening, which could damage the connection, or under-tightening, which could lead to leaks.

Troubleshooting and Maintenance

Common issues with the 3964028 Oil Suction Connection may include leaks or blockages that can impede oil flow. Diagnostic tips for identifying problems include checking for oil leaks around the connection and ensuring that there are no obstructions in the oil path. Regular maintenance practices, such as inspecting the connection for signs of wear or damage and ensuring that all seals are intact, can help prolong the part’s lifespan and maintain optimal performance.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and related technologies. With a history spanning over a century, Cummins has established a strong reputation in the heavy-duty truck industry for producing reliable and high-performance engines and components. The company’s commitment to innovation and quality is reflected in its extensive product range, which is designed to meet the demanding requirements of various industries.

Compatibility with Cummins Engines

The Oil Suction Connection part 3964028 is designed to fit a range of Cummins engines, including but not limited to:

• 6C8.3
• ISL CM2150
• ISL CM554
• ISL G CM2180
• ISL9 CM2150 SN
• ISL9 CM2250
• ISL9.5 CM2880 L138
• L GAS PLUS CM556
• L8.9
• L8.9 CM2670 L134C
• L8.9 L121
• L8.9G CMOH2.0 L125B
• L9.5 L117
• QSC8.3 CM2880 C102
• QSL8.9 CM2150 L141
• QSL9 CM2250
• QSL9 CM2350 L102
• QSL9 CM554
• QSL9 CM850 (CM2850)

This part is engineered to meet the specific design requirements of these engines, ensuring a secure and reliable connection that prevents oil leaks and maintains optimal oil pressure. Its compatibility across various engine models underscores its versatility and importance in the engine’s lubrication system.

Role of Part 3964028 Oil Suction Connection in Engine Systems

The part 3964028 Oil Suction Connection is integral to the efficient operation of engine systems, particularly in relation to the oil pan and the overall lubrication system. This component facilitates the smooth transfer of oil from the oil pan to the engine’s lubrication circuits.

Interaction with the Oil Pan

The Oil Suction Connection is designed to interface directly with the oil pan, which serves as the primary reservoir for engine oil. Its role is to draw oil from the pan and direct it towards the engine’s oil pump. This connection ensures a consistent supply of oil, which is essential for maintaining proper lubrication of moving parts within the engine.

Ensuring Efficient Lubrication

By securely connecting to the oil pan, the Oil Suction Connection helps maintain a stable oil level within the pan. This stability is vital for the oil pump to function effectively, as it relies on a consistent oil supply to circulate lubricant throughout the engine. The connection’s design minimizes the risk of air ingestion, which can lead to cavitation in the oil pump and reduced lubrication efficiency.

Supporting Engine Longevity

The reliable operation of the Oil Suction Connection contributes to the longevity of engine components. By ensuring a steady flow of oil, it helps reduce friction and wear on critical engine parts, such as bearings, pistons, and camshafts. This consistent lubrication is key to preventing premature engine failure and maintaining optimal performance over time.

Integration with Lubrication Circuits

Beyond its direct interaction with the oil pan, the Oil Suction Connection plays a role in the broader lubrication circuits of the engine. It is a pivotal point in the system, ensuring that oil is efficiently transported from the pan to the pump and subsequently to the various engine components that require lubrication. This integration is essential for the overall health and efficiency of the engine’s lubrication system.

Conclusion

The 3964028 Oil Suction Connection is a critical component in the lubrication system of Cummins engines, ensuring efficient oil circulation and contributing to engine longevity and performance. Its robust design, compatibility with a wide range of Cummins engines, and integration within the lubrication circuits make it an essential part for maintaining optimal engine health.