3947530
Intake Manifold Cover Gasket
Cummins®

Introduction

The Cummins 3947530 Intake Manifold Cover Gasket is a component designed for use in heavy-duty trucks. It serves a specific function within the engine system, contributing to the overall performance and efficiency of the vehicle. This gasket is engineered to provide a reliable seal between the intake manifold and the engine block, ensuring optimal engine operation ¹.

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 an airtight seal, preventing air and fuel mixture leaks. This seal is vital for maintaining the correct air-fuel ratio, which directly impacts engine performance, fuel efficiency, and emissions. By ensuring a tight seal, the gasket helps to maximize engine efficiency and reliability ².

Purpose of the Cummins 3947530 Intake Manifold Cover Gasket

The Cummins 3947530 Intake Manifold Cover Gasket plays a role in sealing the intake manifold to the engine block. This seal is important for preventing leaks in the air and fuel mixture, which can lead to decreased engine performance and increased emissions. By maintaining a secure seal, the gasket contributes to the efficient operation of the engine, ensuring that the air-fuel mixture is delivered correctly to the combustion chambers ³.

Key Features

The Cummins 3947530 Intake Manifold Cover Gasket is designed with several key features to enhance its performance and durability. These include a material composition that resists heat and pressure, precise design specifications to ensure a perfect fit, and unique attributes such as multi-layer construction for added strength. These features contribute to the gasket’s ability to provide a reliable seal under various operating conditions.

Benefits

Using the Cummins 3947530 Intake Manifold Cover Gasket offers several benefits. These include improved engine efficiency due to the airtight seal it provides, reduced emissions as a result of proper air-fuel mixture delivery, and enhanced reliability through its durable construction. The gasket’s design and material composition ensure that it can withstand the rigors of heavy-duty truck operation, contributing to the overall performance and longevity of the engine.

Installation Process

Proper installation of the Cummins 3947530 Intake Manifold Cover Gasket is important for ensuring its effectiveness. The installation process involves several steps, including cleaning the mating surfaces of the intake manifold and engine block, applying a thin layer of gasket sealant if recommended, positioning the gasket correctly, and tightening the intake manifold bolts to the specified torque. Following these steps ensures a secure seal and optimal engine performance.

Common Issues and Troubleshooting

Common issues with the Cummins 3947530 Intake Manifold Cover Gasket may include leaks or failures due to wear, improper installation, or exposure to extreme conditions. Troubleshooting these issues involves inspecting the gasket for signs of damage, ensuring that it is properly seated, and checking for any leaks in the air and fuel system. Recommended solutions may include replacing the gasket, re-torquing the intake manifold bolts, or addressing any underlying issues that may be causing the gasket to fail.

Maintenance Tips

To prolong the lifespan of the Cummins 3947530 Intake Manifold Cover Gasket, regular maintenance is recommended. This includes inspecting the gasket during routine engine maintenance, cleaning the mating surfaces to remove any debris or contaminants, and replacing the gasket according to the manufacturer’s recommendations or if signs of wear or damage are detected. Proper maintenance ensures that the gasket continues to provide a reliable seal, contributing to the efficient operation of the engine.

Cummins Overview

Cummins Inc. is a well-established manufacturer with a reputation for producing high-quality automotive components. Founded in 1919, the company has a long history of innovation and commitment to excellence in the automotive industry. Cummins is known for its dedication to manufacturing reliable and durable parts, including the Cummins 3947530 Intake Manifold Cover Gasket, which is designed to meet the demanding requirements of heavy-duty truck engines.

Cummins Intake Manifold Cover Gasket 3947530 Compatibility

The Cummins Intake Manifold Cover Gasket part number 3947530 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. Below is a detailed compatibility overview of this gasket with various Cummins engines:

B5.6 Series

• B5.6 CM2670 B135B
• B5.6 CM2670 B152B

B6.7 Series

• B6.7 CM2350 B135B
• B6.7 CM2670 B153B
• B6.7 CM2670 B164C

ISB Series

• ISB (Chrysler)
• ISB CM2150
• ISB CM550
• ISB CM850
• ISB/ISD6.7 CM2150 SN
• ISB5.9 CM2880 B110
• ISB5.9 CM2880 B149
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISB6.7 G CM2180 B118

QSB Series

• QSB5.9 44 CM550
• QSB5.9 CM2880 B115
• QSB5.9 CM850
• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 CM850 (CM2850)
• QSB6.7 M CM2250
• QSB7 CM2880 B117

The Cummins Intake Manifold Cover Gasket 3947530 is engineered to provide a reliable seal, ensuring optimal engine performance across these various engine models. Proper installation of this gasket is essential for maintaining engine integrity and preventing potential air leaks that can affect engine efficiency and emissions.

Role of Part 3947530 Intake Manifold Cover Gasket in Engine Systems

The part 3947530 Intake Manifold Cover Gasket is an essential component in ensuring the efficient operation of various engine systems. It is specifically designed to seal the intake manifold cover to the engine block, preventing air leaks that could otherwise disrupt the air-fuel mixture and affect engine performance.

Integration with Engine Components

1. Intake Manifold and Air Intake System:

   • The Intake Manifold Cover Gasket works in conjunction with the intake manifold and air intake system to ensure a tight seal. This seal is vital for maintaining the correct air pressure within the manifold, which is necessary for optimal combustion.

2. Turbocharger and Turbocharger Arrangement:

   • In turbocharged engines, the gasket plays a role in maintaining the integrity of the air path from the turbocharger to the intake manifold. Any leak in this path can lead to a loss of boost pressure, reducing the engine’s power output and efficiency.

3. Fuel Control Module:

   • The gasket indirectly affects the fuel control module by ensuring that the air-fuel ratio remains consistent. A leak in the intake manifold cover can cause an imbalance, forcing the fuel control module to compensate, which may lead to inefficient fuel consumption and increased emissions.

4. Complete Engine Gasket Kit and Full Engine Gasket Set:

   • When performing an engine overhaul or maintenance, the Intake Manifold Cover Gasket is often included in complete engine gasket kits and full engine gasket sets. These kits are designed to replace all gaskets in the engine, ensuring a fresh seal across all critical components.

5. Upper Engine Gasket Kit and Upper Engine Gasket Set:

   • Specifically, the gasket is a component of upper engine gasket kits and sets, which focus on the gaskets above the cylinder head. This includes the intake and exhaust manifolds, valve covers, and other upper engine components.

6. Long Block and Long Block Kit:

   • In the context of a long block or long block kit, which includes the engine block, cylinder heads, and often the intake and exhaust manifolds, the Intake Manifold Cover Gasket ensures that the intake system is sealed properly, contributing to the overall performance of the long block assembly.

7. Overhaul Kit and Service Kit:

   • During engine overhauls or service procedures, the gasket is a standard component in overhaul kits and service kits. These kits are intended to provide all necessary gaskets and seals to restore the engine to like-new condition.

8. Arrangement and Set:

   • The gasket is part of various arrangement and set configurations, ensuring that all necessary seals are in place for the specific engine model. This comprehensive approach helps in maintaining engine efficiency and reliability.

Conclusion

In summary, the part 3947530 Intake Manifold Cover Gasket is a key component in maintaining the seal integrity of the intake manifold, which is essential for the proper function of the air intake, turbocharger, fuel control, and overall engine performance. Proper installation and maintenance of this gasket are crucial for ensuring the efficient and reliable operation of heavy-duty truck engines.