3938152
Intake Manifold Cover Gasket
Cummins®

The Cummins Intake Manifold Cover Gasket, part number 3938152, is a component designed to ensure the efficient operation of heavy-duty trucks. This gasket plays a significant role in maintaining the integrity of the engine’s intake system by providing a seal between the intake manifold and the engine block. Its proper function is vital for optimal engine performance and efficiency ³.

Basic Concepts of Intake Manifold Cover Gaskets

An intake manifold cover gasket is a sealing component positioned between the intake manifold and the engine block. Its primary function is to create an airtight seal, which is essential for maintaining the correct airflow into the engine cylinders. This seal ensures that the air-fuel mixture enters the engine efficiently, contributing to the overall performance and fuel efficiency of the truck ².

Purpose of the Cummins Intake Manifold Cover Gasket

The Cummins Intake Manifold Cover Gasket serves to seal the intake manifold to the engine block, ensuring that air and fuel are properly directed into the combustion chambers. By maintaining a secure seal, it helps prevent leaks that could lead to inefficient combustion, reduced engine performance, and increased emissions. This gasket plays a role in the engine’s operation by ensuring that the air-fuel mixture is delivered consistently and effectively ³.

Key Features

The Cummins Intake Manifold Cover Gasket is engineered with specific features to enhance its performance and durability. It is composed of high-quality materials that resist heat and pressure, ensuring longevity and reliability. The design specifications of this gasket include precise dimensions to fit snugly between the intake manifold and the engine block, providing an effective seal. Additionally, it may feature reinforced edges or multi-layered construction to withstand the rigors of heavy-duty truck operation ¹.

Benefits

Using the Cummins Intake Manifold Cover Gasket offers several benefits. It contributes to improved engine efficiency by ensuring a proper seal, which allows for optimal airflow and combustion. This results in better fuel economy and reduced emissions. Additionally, the gasket enhances the reliability of the engine by preventing leaks and maintaining consistent performance under various operating conditions ³.

Installation and Maintenance

Proper installation of the Cummins Intake Manifold Cover Gasket is crucial for its effectiveness. It is recommended to follow manufacturer guidelines, which may include cleaning the mating surfaces, applying a light coat of gasket sealant if specified, and torqueing the intake manifold bolts to the recommended specifications. Regular maintenance checks can help ensure the gasket remains in good condition, including inspecting for signs of wear or damage and replacing it as needed to maintain engine performance ².

Troubleshooting Common Issues

Common issues with intake manifold cover gaskets include leaks or failures, which can lead to decreased engine performance and increased emissions. Symptoms of a faulty gasket may include rough idling, loss of power, or visible signs of leaks around the intake manifold. Troubleshooting steps include inspecting the gasket for damage, checking for proper installation, and replacing the gasket if necessary to restore engine efficiency ¹.

Cummins: A Brief Overview

Cummins Inc. is a renowned manufacturer in the automotive industry, particularly known for its high-quality engine components. With a rich history of innovation and excellence, Cummins offers a wide range of products designed to meet the demanding requirements of heavy-duty applications. The company’s reputation for producing reliable and durable engine parts makes it a preferred choice for professionals in the automotive and trucking industries ³.

Cummins Intake Manifold Cover Gasket 3938152 Compatibility

The Cummins Intake Manifold Cover Gasket part number 3938152 is designed to fit a variety of Cummins engines, ensuring a proper seal between the intake manifold and the engine block. This gasket is crucial for maintaining engine efficiency and preventing air leaks, which can affect performance and emissions.

Compatible Engines

• 4B3.9
• 6B5.9
• B5.6 CM2670 B152B
• B5.9 CM2670 B166C
• B5.9 G
• B5.9 GAS PLUS CM556
• B6.7 CM2670 B153B
• B6.7 G CMOH6.0 B125
• B6.7S
• G5.9
• G5.9 CM558
• ISB CM550
• ISB5.9 CM2880 B110
• ISB5.9 CM2880 B127
• ISB5.9 CM2880 B140
• ISB5.9G CM2180
• ISBE CM2150
• ISBE4 CM850
• QSB5.9 30 CM550
• QSB5.9 44 CM550
• QSB5.9 CM2880 B115
• QSB5.9 CM2880 B139
• QSB5.9 CM550

Grouping of Compatible Engines

• B5.9 Series:

  • B5.9 CM2670 B166C
  • B5.9 G
  • B5.9 GAS PLUS CM556

• B6.7 Series:

  • B6.7 CM2670 B153B
  • B6.7 G CMOH6.0 B125
  • B6.7S

• ISB Series:

  • ISB CM550
  • ISB5.9 CM2880 B110
  • ISB5.9 CM2880 B127
  • ISB5.9 CM2880 B140
  • ISB5.9G CM2180

• ISBE Series:

  • ISBE CM2150
  • ISBE4 CM850

• QSB Series:

  • QSB5.9 30 CM550
  • QSB5.9 44 CM550
  • QSB5.9 CM2880 B115
  • QSB5.9 CM2880 B139
  • QSB5.9 CM550

• Others:

  • 4B3.9
  • 6B5.9
  • G5.9
  • G5.9 CM558

This gasket is engineered to provide a reliable seal for these engines, ensuring optimal performance and longevity ³.

Role of Part 3938152 Intake Manifold Cover Gasket in Engine Systems

The Cummins Intake Manifold Cover Gasket, part number 3938152, is an essential component in the orchestration of various engine systems, ensuring optimal performance and efficiency. This gasket is specifically designed to seal the intake manifold cover, preventing air leaks that could compromise engine performance.

Integration with Key Engine Components

1. Air Intake Manifold and Air Crossover: The gasket ensures a tight seal between the intake manifold and the cylinder head, as well as the air crossover. This seal is vital for maintaining consistent airflow into the combustion chambers, which is fundamental for engine efficiency ³.

2. Turbocharger Arrangement: In turbocharged engines, the gasket works in conjunction with the turbocharger to maintain pressure integrity. It helps in sealing the intake manifold, ensuring that the pressurized air from the turbocharger is effectively utilized without any loss ¹.

3. Air Heater Starting and Intake Air Heater: The gasket plays a role in sealing the components of the air heater starting system and the intake air heater. This ensures that the heated air is efficiently directed into the intake manifold, aiding in cold-start performance and overall engine warm-up ².

4. Cylinder Head Repair Kit and Engine Repair Kit: When these kits are used for engine maintenance or repair, the intake manifold cover gasket is a key component that ensures the integrity of the air intake system post-repair. It guarantees that the repaired engine operates with the same efficiency as before ³.

5. Exhaust Manifold and Full Engine Gasket Set: While primarily focused on the intake side, the proper sealing provided by the gasket indirectly affects the exhaust system by ensuring balanced air-fuel mixture, which in turn impacts exhaust emissions and performance ¹.

6. Onboard Spares and Overhaul Kit: In scenarios where engines are equipped with onboard spares or are undergoing an overhaul, the intake manifold cover gasket is a component that must be in pristine condition to maintain engine reliability and performance ³.

7. Fuel Control Module and Air Intake Connection: The gasket’s role extends to supporting the fuel control module by ensuring that the air intake is sealed, which is crucial for the module to deliver the correct fuel-air mixture for combustion ².

Conclusion

In summary, the Cummins Intake Manifold Cover Gasket, part number 3938152, is a linchpin in the efficient operation of various engine systems. Its proper installation and maintenance are paramount for the engine’s performance, fuel efficiency, and longevity. Regular checks and timely replacements ensure that the engine operates at its best, providing reliable performance for heavy-duty applications ³.