3047402
Cylinder Head Gasket
Cummins®

The Cylinder Head Gasket 3047402, manufactured by Cummins, is a vital component in commercial truck engines. Cummins, a well-established name in the automotive industry, is renowned for its high-quality engine components. This part is designed to meet the rigorous demands of heavy-duty truck engines, ensuring reliable performance and durability.

Basic Concepts of Cylinder Head Gaskets

A cylinder head gasket is a sealing element positioned between the cylinder head and the engine block in an internal combustion engine. Its primary functions include sealing the combustion chamber, preventing coolant and oil from mixing, and allowing for the transfer of heat from the cylinder head to the engine block. The gasket operates under extreme conditions, withstanding high pressures and temperatures to maintain engine efficiency and performance ¹.

Purpose of the 3047402 Cylinder Head Gasket

This Cummins part plays a significant role in the operation of a truck engine by sealing the cylinder head to the engine block. This seal is crucial for maintaining the integrity of the combustion chamber, ensuring that combustion gases do not escape, and preventing coolant and oil from contaminating each other. The gasket also facilitates heat transfer, which is vital for engine cooling and overall performance.

Key Features

The 3047402 is engineered with several key features that enhance its performance and durability. It is composed of high-quality materials that can withstand the extreme conditions within a truck engine. The design includes multiple layers and sealing beads to provide a robust seal under high pressure and temperature. Additionally, the gasket features precise machining and alignment marks to ensure accurate installation and optimal performance.

Benefits

This part offers several benefits that contribute to engine efficiency and reliability. Its superior sealing capabilities help maintain compression within the combustion chamber, leading to improved engine performance. The gasket’s design also enhances heat transfer, which aids in engine cooling and reduces the risk of overheating. Furthermore, the durable construction of the gasket ensures long-lasting performance, reducing the need for frequent replacements.

Installation Considerations

Proper installation of the 3047402 is crucial for ensuring optimal performance and longevity. Installation procedures should follow manufacturer specifications, including torque settings for cylinder head bolts, surface preparation to ensure a clean and flat mating surface, and alignment of the gasket to the engine block and cylinder head. Careful attention to these details will help prevent leaks and ensure the gasket functions effectively.

Troubleshooting and Maintenance

Common issues with cylinder head gaskets, such as leaks or failures, can often be traced to improper installation or engine overheating. Regular maintenance practices, including monitoring engine temperatures, checking for signs of leaks, and following recommended service intervals, can help prolong the lifespan of the gasket. If a leak is suspected, a compression test or coolant pressure test can help diagnose the issue. Addressing problems promptly can prevent further engine damage and ensure continued performance ².

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has built a reputation for innovation, quality, and reliability in the automotive industry. The company is committed to manufacturing high-quality engine components that meet the demanding requirements of commercial and industrial applications.

Cummins Cylinder Head Gasket 3047402 Compatibility

The Cummins Cylinder Head Gasket part number 3047402 is designed to fit several engine models, ensuring a secure seal between the cylinder head and engine block. This gasket is crucial for maintaining engine integrity by preventing leaks of coolant, oil, and combustion gases.

N14 CELECT and N14 MECHANICAL Engines

The N14 CELECT and N14 MECHANICAL engines are part of Cummins’ N-Series engine family, known for their robust design and reliability in heavy-duty applications. The 3047402 gasket is specifically engineered to fit these engines, ensuring compatibility with both the electronic and mechanical control systems. This gasket provides a reliable seal, which is essential for maintaining optimal engine performance and preventing potential failures due to leaks.

NH/NT 855 Engines

The NH/NT 855 engines are another series where the 3047402 gasket is applicable. These engines are designed for high-performance applications, often found in construction and agricultural equipment. The gasket’s design ensures it can withstand the high pressures and temperatures typical of these demanding environments. Its precise fit and durability make it an ideal choice for maintaining engine efficiency and longevity in the NH/NT 855 series.

Ensuring Compatibility and Performance

When replacing the cylinder head gasket in any of these engines, it is crucial to use the correct part number to ensure a proper fit and function. The 3047402 gasket is manufactured to meet Cummins’ stringent quality standards, providing a reliable seal that supports the engine’s overall performance and durability.

Role of Part 3047402 Cylinder Head Gasket in Engine Systems

The part 3047402 Cylinder Head Gasket is an essential component in the assembly and functionality of various engine systems. It ensures a secure and sealed connection between the cylinder head and the engine block, preventing the leakage of combustion gases, coolant, and oil. This gasket is integral to the following engine components and systems:

Engine Gasket Sets

In an Engine Gasket Set or Upper Engine Gasket Set, the Cylinder Head Gasket (part 3047402) works alongside other gaskets to create a comprehensive sealing solution. It is particularly important in maintaining the integrity of the combustion chamber and preventing cross-contamination between the coolant and oil systems.

Cylinder Head Mounting

When performing Cylinder Head Mounting or dealing with an EBM-Head (Engine Block Module Head), the Cylinder Head Gasket ensures that the cylinder head is properly sealed to the engine block. This is vital for maintaining compression within the cylinders and ensuring efficient combustion.

Connecting Rod and Piston

In conjunction with the Connecting Rod and Piston assembly, the Cylinder Head Gasket helps maintain the pressure required for the efficient operation of the PDC (Piston/Liner) system. Proper sealing prevents any loss of compression that could affect piston performance.

Injector and Injector Plumbing

For the Injector and Injector Plumbing systems, the Cylinder Head Gasket ensures that the combustion chamber remains sealed, allowing for precise fuel injection and combustion. This sealing is essential for optimal engine performance and fuel efficiency.

Lubricating Oil Cooler Mounting

In systems involving Lubricating Oil Cooler Mounting, the Cylinder Head Gasket prevents oil from leaking into the combustion chamber or coolant passages. This maintains the lubrication system’s integrity and ensures that the oil remains clean and effective.

Overhaul and Performance Kits

In an Engine Overhaul Kit or Overhaul Gasket Set, the Cylinder Head Gasket is a key component that ensures all new or refurbished parts function within a sealed environment. Similarly, in EBM-Performance Parts or any Performance Parts Set, this gasket contributes to enhanced engine performance by maintaining optimal sealing conditions.

Turbocharger

For engines equipped with a Turbocharger, the Cylinder Head Gasket plays a role in maintaining the increased pressures generated by the turbo. This ensures that the heightened compression does not lead to leaks, thereby preserving turbocharger efficiency and overall engine performance.

Conclusion

The 3047402 Cylinder Head Gasket is a critical component in ensuring the reliable and efficient operation of Cummins truck engines. Its robust design, compatibility with various engine models, and essential role in maintaining engine integrity make it a vital part for both maintenance and performance enhancements. Proper installation and regular maintenance are key to maximizing the lifespan and performance of this part.