3068681
Aftercooler Housing Gasket
Cummins®

Introduction

The Aftercooler Housing Seal Gasket (Part #3068681) from Cummins is engineered to enhance the operational efficiency of heavy-duty trucks. This component is essential for maintaining the integrity of the aftercooler housing, which cools compressed air before it enters the engine. By preventing leaks, this gasket ensures the aftercooling process is effective, contributing to engine performance and longevity.

Basic Concepts

Aftercoolers in diesel engines cool compressed air from the turbocharger before it enters the combustion chamber. The Aftercooler Housing Seal Gasket ensures the aftercooler operates efficiently by preventing air leaks. This cooling process increases air density, leading to more efficient combustion and improved engine performance and fuel efficiency ⁴.

Purpose of the Aftercooler Housing Seal Gasket

The primary function of the Aftercooler Housing Seal Gasket is to create a tight seal between aftercooler housing components. This seal is crucial for the efficiency of the aftercooling process, ensuring optimal air temperature for the engine. It contributes to better combustion efficiency, improved engine performance, and reduced stress on engine components ³.

Key Features

The Aftercooler Housing Seal Gasket is designed to withstand the demanding conditions within a heavy-duty truck engine. Made from durable materials resistant to high temperatures and pressures, it ensures a reliable seal. Its compatibility with Cummins engines makes it an ideal choice for maintaining engine efficiency and performance ¹.

Benefits

Incorporating the Aftercooler Housing Seal Gasket into heavy-duty trucks offers several benefits, including improved engine performance due to efficient aftercooling, enhanced fuel efficiency from optimal air temperature, and reduced maintenance costs due to reliable sealing. It also contributes to engine longevity by ensuring the aftercooling process functions as intended ².

Installation and Maintenance

Proper installation of the Aftercooler Housing Seal Gasket is crucial for its effectiveness. It should be correctly positioned, and all mating surfaces must be clean and free from debris. Regular inspections for wear or damage and timely replacement are recommended to maintain its effectiveness. Common issues with gaskets often stem from improper installation or environmental factors ³.

Performance and Efficiency

The Aftercooler Housing Seal Gasket enhances overall engine performance and efficiency by ensuring the aftercooling process is effective. A well-sealed aftercooler allows for optimal air temperature and density, improving combustion efficiency and engine performance. This not only enhances operational efficiency but also contributes to engine longevity by reducing stress on components ⁴.

Cummins Overview

Cummins Inc. is a global leader in diesel and natural gas engines and related technologies. Known for its innovation and commitment to quality, Cummins produces reliable and efficient diesel engines and components. The company’s dedication to advancing technology and meeting customer needs underscores its leadership in the automotive industry.

Compatibility of Cummins Aftercooler Housing Seal Gasket 3068681

The Cummins Aftercooler Housing Seal Gasket, part number 3068681, is designed to ensure the integrity of the aftercooler system in various engine models. This gasket is engineered to fit seamlessly with specific Cummins engine models, providing a reliable seal that prevents air leaks and maintains optimal performance.

V903 and VTA903 Engines

This part is compatible with the V903 and VTA903 engines, which are part of Cummins’ lineup of high-performance diesel engines used in heavy-duty applications such as construction equipment, mining machinery, and industrial power systems. The gasket ensures the aftercooler system operates efficiently, enhancing engine performance and longevity.

CM2250 V105 Engine

The CM2250 V105 engine also benefits from the use of the Cummins Aftercooler Housing Seal Gasket part number 3068681. Known for its robust design and reliability, this engine is popular in marine and power generation applications. The gasket’s precise fit and high-quality material ensure the aftercooler system remains sealed, preventing air leaks that could compromise engine efficiency.

V105 Engine

The V105 engine, another model in Cummins’ extensive range, is also compatible with part 3068681. Often utilized in agricultural and industrial machinery, this engine requires durability and performance. The aftercooler housing seal gasket plays a crucial role in maintaining engine efficiency by ensuring the aftercooler system operates without leaks, thereby preserving engine power output and reliability.

By ensuring a proper seal, the Cummins Aftercooler Housing Seal Gasket part number 3068681 is integral to the performance and longevity of these engines, providing a reliable solution for maintaining the integrity of the aftercooler system across various applications.

Role of Part 3068681 Aftercooler Housing Seal Gasket in Engine Systems

The Aftercooler Housing Seal Gasket, identified by part number 3068681, is a critical component in various engine systems. Its primary function is to ensure a secure and leak-proof seal between the aftercooler housing and surrounding components. This gasket plays a significant role in the following engine systems:

Aftercooler Mounting Arrangement

In the aftercooler mounting arrangement, the Aftercooler Housing Seal Gasket is positioned between the aftercooler housing and the mounting surface. This ensures the aftercooler is firmly attached without any air or fluid leaks, which is vital for the efficient operation of the aftercooler.

Turbocharger System

When integrated with the turbocharger system, the gasket helps maintain the integrity of the air flow path from the turbocharger to the aftercooler. It prevents any bypassing of air, ensuring that the compressed air is effectively cooled before it enters the engine’s combustion chambers.

Manifold Connection

At the manifold connection, the Aftercooler Housing Seal Gasket works in conjunction with the upper engine gasket kit and the single head gasket set to create a sealed environment. This is important for maintaining the pressure differentials necessary for optimal engine performance.

Air Intake System

Within the air intake system, the gasket ensures that the air path from the turbocharger, through the aftercooler, and into the engine intake manifold is sealed. This prevents any unfiltered air from entering the system, which could lead to engine damage or decreased performance.

Upper Engine Gasket Set

The Aftercooler Housing Seal Gasket is often part of the upper engine gasket set. It complements other gaskets in the set by providing a comprehensive seal for the upper portion of the engine, including the aftercooler housing.

Mounting Aftercooler

During the process of mounting the aftercooler, the gasket is crucial for creating a tight seal between the aftercooler housing and the engine block or other mounting surfaces. This is essential for the structural integrity and functional efficiency of the aftercooler within the engine system.

Conclusion

In summary, the Aftercooler Housing Seal Gasket (part 3068681) is a key component in maintaining the seals within various engine systems, ensuring efficient operation and preventing leaks that could compromise engine performance. Its role in enhancing engine efficiency, performance, and longevity makes it an indispensable part of heavy-duty engine maintenance and operation.