3931347
Intake Manifold Cover Gasket
Cummins®

The Cummins Intake Manifold Cover Gasket, part number 3931347, is a critical component in heavy-duty truck engines. Cummins, a leading manufacturer in the automotive industry, produces this gasket to ensure optimal performance and reliability in commercial trucks. This part is designed to fit seamlessly into various truck models, enhancing engine efficiency and durability.

Basic Concepts of Intake Manifold Cover Gaskets

An intake manifold cover gasket is a sealing component placed between the intake manifold and the engine block. Its primary function is to create a tight seal, preventing air leaks that could disrupt the air-fuel mixture entering the engine cylinders. This seal is essential for maintaining engine performance and efficiency, as any leaks can lead to decreased power output and increased fuel consumption ¹.

Role of the 3931347 Intake Manifold Cover Gasket in Truck Operation

The 3931347 Intake Manifold Cover Gasket plays a specific role in the operation of a truck engine by ensuring a proper seal within the intake manifold system. This seal is important for maintaining the integrity of the air-fuel mixture, which directly affects engine performance. By preventing leaks, the gasket helps in maintaining consistent engine operation and efficiency ².

Key Features of the 3931347 Intake Manifold Cover Gasket

The 3931347 Intake Manifold Cover Gasket is characterized by its high-quality material composition, typically made from durable elastomers or composite materials. These materials are chosen for their ability to withstand high temperatures and pressures within the engine environment. The design of the gasket includes precise dimensions and contours to match the intake manifold and engine block surfaces, ensuring a perfect fit and effective sealing. Additionally, the gasket may feature reinforced edges or additional layers to enhance durability and performance under demanding conditions ³.

Benefits of Using the 3931347 Intake Manifold Cover Gasket

Installing the 3931347 Intake Manifold Cover Gasket offers several benefits. It contributes to improved engine efficiency by ensuring a consistent air-fuel mixture. The gasket’s durable construction reduces the risk of leaks, which can lead to engine performance issues. Its design enhances the overall durability of the intake manifold system, contributing to the reliability of the truck’s engine.

Troubleshooting Common Issues with Intake Manifold Cover Gaskets

Common problems with intake manifold cover gaskets include leaks or failures, which can manifest as engine performance issues or unusual noises. To troubleshoot these problems, it is important to inspect the gasket for signs of wear or damage. If a leak is suspected, a visual inspection or pressure test can help identify the issue. Replacing a faulty gasket with a new one, such as the 3931347, can resolve these issues and restore engine performance.

Maintenance Tips for Intake Manifold Cover Gaskets

To ensure the longevity and optimal performance of the 3931347 Intake Manifold Cover Gasket, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage. Cleaning the gasket and surrounding areas can prevent debris from affecting its sealing capabilities. Additionally, following manufacturer-recommended replacement intervals can help maintain engine efficiency and prevent unexpected failures.

Installation Guidelines

Proper installation of the 3931347 Intake Manifold Cover Gasket is important for ensuring its effectiveness. This involves preparing the intake manifold surface by cleaning it thoroughly to remove any old gasket material or debris. The gasket should be placed carefully according to the manufacturer’s instructions, ensuring it is aligned correctly with the manifold and engine block. Torque specifications for securing the intake manifold cover should be followed precisely to avoid over-tightening or under-tightening, both of which can affect the gasket’s sealing ability.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the automotive industry, Cummins is committed to producing high-quality engine components and solutions for commercial vehicles. Their products are known for reliability, performance, and durability, making them a preferred choice for heavy-duty truck applications.

Cummins Intake Manifold Cover Gasket 3931347 Compatibility

The Cummins Intake Manifold Cover Gasket part number 3931347 is designed to fit a variety of Cummins engines. This gasket is crucial for ensuring a proper seal between the intake manifold cover and the engine block, preventing leaks and maintaining optimal engine performance.

Compatible Engines

• 4B3.9
• 6B5.9
• 6C8.3
• B5.9 G
• B5.9 GAS PLUS CM556
• ISB CM550
• ISBE CM800
• ISL CM554
• QSB5.9 44 CM550
• QSB5.9 CM550

Grouping of Compatible Engines

• B5.9 Series:

  • B5.9 G
  • B5.9 GAS PLUS CM556

• QSB5.9 Series:

  • QSB5.9 44 CM550
  • QSB5.9 CM550

• ISB Series:

  • ISB CM550

• ISBE Series:

  • ISBE CM800

• ISL Series:

  • ISL CM554

• Others:

  • 4B3.9
  • 6B5.9
  • 6C8.3

This gasket is engineered to provide a reliable seal, ensuring that the engine operates efficiently and without leaks. It is essential to use the correct gasket for each specific engine model to maintain the integrity of the engine’s intake system.

Role of Part 3931347 Intake Manifold Cover Gasket in Engine Systems

The Intake Manifold Cover Gasket (Part 3931347) is an essential component in ensuring the efficient operation of various engine systems. It is specifically designed to create a seal between the intake manifold and the engine block, preventing air leaks that could compromise engine performance.

Integration with Engine Components

1. Air Intake System: The gasket works in conjunction with the Air Intake Manifold to ensure that the air entering the engine is metered correctly. This is particularly important in systems that include an Air Intake Heater, where precise air control is necessary for optimal starting and running conditions, especially in cold environments.

2. Turbocharger Arrangements: In engines equipped with a Turbocharger, the intake manifold cover gasket plays a role in maintaining the integrity of the pressurized air system. It ensures that the boosted air from the turbocharger is effectively channeled into the combustion chambers without any loss of pressure.

3. Exhaust Manifold: Although primarily associated with the intake side, the effectiveness of the intake manifold cover gasket indirectly influences the Exhaust Manifold. Proper air intake leads to more complete combustion, which in turn affects exhaust flow and efficiency.

4. Lower and Upper Engine Gasket Sets: The intake manifold cover gasket is often part of a comprehensive Lower Engine Gasket Set and Upper Engine Gasket Set. These sets are designed to provide a complete sealing solution for the engine, ensuring that all critical junctions are sealed to prevent leaks and maintain engine efficiency.

5. Overhaul Kits: When engines are subject to overhaul, the intake manifold cover gasket is typically included in Overhaul Kits. This ensures that during reassembly, all seals are fresh and intact, contributing to the restored performance of the engine.

6. Air Heater Starting System: In systems that utilize an Air Heater Starting mechanism, the gasket ensures that the heated air is effectively directed into the intake manifold, aiding in easier starts in cold conditions.

Conclusion

In summary, the intake manifold cover gasket is a fundamental component that ensures the integrity of the air intake path in various engine configurations, from basic air intake systems to complex turbocharged arrangements. Its proper installation and maintenance are key to achieving optimal engine performance and efficiency.