3939352
Oil Suction Connection Gasket
Cummins®

The Oil Suction Connection Gasket 3939352 by Cummins is a specialized component designed to facilitate the efficient operation of commercial trucks. Its primary role is to ensure a secure seal between the oil suction connection and the engine block, thereby maintaining the integrity of the oil flow system. This gasket is integral to the engine’s lubrication system, contributing to the overall performance and reliability of the vehicle.

Basic Concepts of Oil Suction Connection Gaskets

An oil suction connection gasket serves as a sealing element within the engine system. Its function is to create a tight seal between the oil suction pipe and the engine block, preventing oil leaks and ensuring that oil is efficiently drawn from the oil pan into the engine. This seal is vital for maintaining consistent oil pressure and flow, which are essential for lubricating engine components and reducing friction ¹. The gasket’s role in the engine system directly influences the engine’s performance and longevity.

Purpose of the 3939352 Oil Suction Connection Gasket

The 3939352 Oil Suction Connection Gasket is specifically designed to play a key role in the operation of commercial trucks. It ensures that oil is effectively suctioned from the oil pan and delivered to the engine components that require lubrication. By maintaining a secure seal, this gasket helps in sustaining the necessary oil pressure and flow within the engine, which is essential for optimal engine performance. Its function is crucial in preventing oil leaks, which could lead to engine damage and reduced efficiency.

Key Features

The 3939352 Oil Suction Connection Gasket boasts several key features that enhance its performance and durability. It is constructed from high-quality materials that are resistant to oil, heat, and mechanical stress. The design of the gasket includes precise dimensions and a robust structure to ensure a perfect fit and long-lasting seal. Additionally, it may feature unique characteristics such as reinforced edges or specialized coatings to further improve its sealing capabilities and resistance to wear.

Benefits

Using the 3939352 Oil Suction Connection Gasket offers several benefits. It contributes to improved engine efficiency by ensuring a consistent and reliable oil flow. The gasket reduces the risk of oil leaks, which can lead to engine contamination and decreased performance. Furthermore, by maintaining proper oil pressure and flow, it enhances the overall engine performance, leading to smoother operation and potentially extending the engine’s lifespan ².

Installation Process

Proper installation of the 3939352 Oil Suction Connection Gasket is crucial for its effective function. The process involves several steps:

1. Ensure the mating surfaces are clean and free of debris.
2. Position the gasket correctly between the oil suction connection and the engine block.
3. Use the appropriate tools to secure the connection, ensuring that the gasket is not damaged during installation.
4. Verify the seal by checking for any signs of oil leakage after the engine is started.

Following these steps will help ensure a secure and effective fit, contributing to the gasket’s performance and durability.

Troubleshooting Common Issues

Common problems associated with oil suction connection gaskets include leaks or improper sealing. These issues can often be traced to incorrect installation, gasket degradation, or mechanical stress. To troubleshoot these problems, one should:

1. Inspect the gasket for signs of wear or damage.
2. Check the mating surfaces for cleanliness and proper alignment.
3. Ensure that the connection is securely fastened without over-tightening, which could damage the gasket.

Addressing these issues promptly can help maintain the gasket’s effectiveness and prevent more significant engine problems.

Maintenance Tips

Regular maintenance is key to ensuring the longevity and optimal performance of the 3939352 Oil Suction Connection Gasket. This includes:

1. Inspecting the gasket during routine engine maintenance checks.
2. Replacing the gasket if signs of wear or damage are detected.
3. Ensuring that the oil suction connection and engine block surfaces are clean and in good condition.

Adhering to these maintenance practices will help sustain the gasket’s sealing capabilities and contribute to the engine’s overall performance.

Cummins: A Brief Overview

Cummins Inc. is a renowned manufacturer in the commercial truck industry, known for its high-quality engine components and innovative solutions. With a rich history of providing reliable and efficient engine parts, Cummins has established a strong reputation for excellence. The company’s commitment to quality and innovation is evident in its diverse product range, which includes a variety of engine components designed to enhance the performance and reliability of commercial vehicles.

Cummins Oil Suction Connection Gasket 3939352 Compatibility

The Cummins Oil Suction Connection Gasket part number 3939352 is designed to fit a variety of Cummins engines, ensuring a secure and leak-proof connection at the oil suction point. This gasket is crucial for maintaining the integrity of the engine’s oil system. Below is a detailed overview of the engines with which this gasket is compatible:

6C8.3 Series

• 6C8.3
• 6C8.3 CM556

C8.3 Series

• C8.3 G
• G8.3
• G8.3 CM558
• GTA8.3 CM558

ISC Series

• ISC CM2150
• ISC CM554
• ISC CM850
• ISC8.3 CM2250

ISL Series

• ISL CM2150
• ISL CM554
• ISL G CM2180
• ISL9 CM2150 SN
• ISL9 CM2250
• ISL9.5 CM2880 L138

L Series

• L GAS PLUS CM556
• L8.9
• L8.9 CM2670 L134C
• L8.9 L121
• L8.9G CMOH2.0 L125B
• L9 CM2670 L128B
• L9.3 L105
• L9.5 L117

QSC8.3 Series

• QSC8.3 CM2880 C102

This gasket is engineered to fit snugly and provide a reliable seal, preventing oil leaks and ensuring optimal engine performance. It is essential to use the correct gasket for each specific engine model to maintain the engine’s operational integrity.

Role of Part 3939352 Oil Suction Connection Gasket in Engine Systems

The Oil Suction Connection Gasket, identified by part number 3939352, is integral to maintaining the integrity and efficiency of various engine systems. This gasket is specifically designed to ensure a secure and leak-free connection between the oil suction components and the engine block.

Integration with Engine Components

1. Engine Kit and Rebuild Kit: When assembling or rebuilding an engine using an engine kit or rebuild kit, the Oil Suction Connection Gasket plays a significant role. It ensures that the oil suction system is properly sealed, preventing oil leaks that could lead to engine damage.

2. Gasket Kit and Lower Engine Gasket Set: Included in gasket kits and lower engine gasket sets, this gasket is essential for the lower portion of the engine where oil suction occurs. It provides a reliable seal between the oil pan and the engine block, facilitating efficient oil circulation.

3. Oil Pan Mounting and Pan Oil Mounting: During the installation of the oil pan, whether it’s a standard oil pan mounting or a specialized pan oil mounting, the Oil Suction Connection Gasket ensures that the connection between the oil pan and the engine block is airtight. This is vital for maintaining oil pressure and preventing contamination.

4. Overhaul Kit: In an overhaul kit, this gasket is a key component for restoring the engine’s oil system to factory specifications. It helps in achieving a perfect seal, which is necessary for the proper functioning of the oil pump and overall lubrication system.

5. Upper Engine Gasket Kit: Although primarily focused on the lower engine, the effectiveness of the Oil Suction Connection Gasket indirectly impacts the upper engine components. Proper oil suction ensures that the entire engine, including upper components, receives adequate lubrication.

6. PMM Piston Upgrade and Engine Piston Kit: When upgrading pistons using a PMM Piston Upgrade or an Engine Piston Kit, ensuring a leak-free oil suction system is important. The gasket helps maintain consistent oil flow, which is essential for the longevity and performance of the new pistons.

7. On Board Spares Kit: In maintenance kits that include on board spares, the Oil Suction Connection Gasket is often included to address potential leaks or damage during engine operation. Having a spare ensures that maintenance can be performed promptly, minimizing downtime.

8. Tachometer Parts Kit: Although not directly related to the oil system, the accurate reading of engine performance metrics via a tachometer relies on the engine running smoothly. A well-sealed oil suction system contributes to overall engine health, indirectly supporting the accuracy of tachometer readings.

Conclusion

In summary, the Oil Suction Connection Gasket (part 3939352) is a fundamental component in various engine systems, ensuring that the oil suction process is efficient and leak-free. Its proper installation and maintenance are essential for the optimal performance and longevity of the engine ³.

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