4987660
Air Inlet Adapter
Cummins®

Introduction

The 4987660 Air Inlet Adapter is a component designed by Cummins for use in commercial trucks. It plays a role in the engine system by ensuring the engine receives the necessary airflow for optimal operation. This adapter is integral to the air intake process, contributing to the overall efficiency and performance of the vehicle.

Basic Concepts of Air Inlet Adapters

An air inlet adapter connects the air intake system to the engine, directing airflow into the engine in a controlled manner. This ensures that the engine receives a consistent supply of air, which is necessary for combustion ¹. The adapter facilitates efficient air intake, which is important for the engine’s operation and longevity.

Purpose of the 4987660 Air Inlet Adapter

The 4987660 Air Inlet Adapter is designed to direct airflow into the engine, ensuring that the air intake is optimized for the engine’s requirements. This adapter helps maintain the engine’s performance by ensuring that the air-fuel mixture is correctly balanced, which is vital for efficient combustion and overall engine health ².

Key Features

This Cummins part is characterized by several key features that enhance its performance and durability. Its design is engineered to withstand the rigors of commercial truck operation, ensuring long-lasting reliability. The materials used in its construction are chosen for their strength and resistance to wear, contributing to the adapter’s durability. Additionally, the adapter may include unique attributes such as precise engineering for optimal airflow and compatibility with specific engine models.

Benefits of Using the 4987660 Air Inlet Adapter

Utilizing this part offers several advantages. It contributes to improved engine efficiency by ensuring a consistent and optimized airflow. This can lead to reduced wear and tear on the engine components, enhancing the overall performance and longevity of the truck. The adapter also plays a role in maintaining the engine’s efficiency, which can result in better fuel economy and reduced emissions.

Installation and Compatibility

Proper installation of the 4987660 Air Inlet Adapter is vital to ensure its effectiveness and the engine’s performance. Installation procedures should follow manufacturer guidelines to ensure compatibility with the truck’s engine system. Specific requirements or considerations may apply to ensure the adapter functions correctly with various truck models, highlighting the importance of adhering to installation instructions.

Maintenance and Troubleshooting

Routine maintenance of the 4987660 Air Inlet Adapter is important to ensure its continued performance. This may include regular inspections for wear or damage and cleaning to remove any debris that could obstruct airflow. Troubleshooting common issues, such as reduced engine performance or unusual noises, may involve checking the adapter for proper installation and condition, ensuring it continues to function as intended.

Performance Enhancements

The 4987660 Air Inlet Adapter contributes to overall engine performance in several ways. By ensuring optimal airflow, it can lead to improvements in fuel efficiency, power output, and emissions reduction. The adapter’s role in maintaining the air-fuel mixture’s balance is key to achieving these performance enhancements, demonstrating its value in the engine system.

Cummins: A Brief Overview

Cummins Inc. is a renowned manufacturer in the automotive and heavy-duty truck components industry. With a history of innovation and quality, Cummins has established a reputation for producing reliable and high-performance parts. The company’s commitment to advancing technology and maintaining high standards in manufacturing is evident in its wide range of products, including the 4987660 Air Inlet Adapter.

Compatibility with Cummins Engines

The Air Inlet Adapter part number 4987660, manufactured by Cummins, is designed to fit seamlessly with a range of Cummins engines. This part is integral to the engine’s air intake system, ensuring efficient airflow and optimal engine performance.

G855 Series Engines

The Air Inlet Adapter 4987660 is compatible with the G855 series engines. These engines are known for their robust design and high performance, making them suitable for heavy-duty applications. The adapter’s precise fit ensures that the air intake system functions without leaks or inefficiencies, contributing to the engine’s overall reliability and efficiency.

CM558 Series Engines

Similarly, the CM558 series engines are designed to work with the Air Inlet Adapter 4987660. These engines are engineered for durability and efficiency, often used in various industrial and commercial applications. The adapter’s compatibility with the CM558 series ensures that the air intake system maintains its integrity, supporting the engine’s performance and longevity.

Grouping of Compatible Engines

While the Air Inlet Adapter 4987660 is specifically designed for the G855 and CM558 series engines, it is also compatible with other Cummins engines that share similar design and engineering principles. This compatibility extends to engines that require precise air intake management to maintain optimal performance and efficiency.

By ensuring a secure and efficient fit, the Air Inlet Adapter 4987660 plays a role in the overall functionality of these engines, contributing to their reliability and effectiveness in various applications.

Role of Part 4987660 Air Inlet Adapter in Engine Systems

The 4987660 Air Inlet Adapter is a component in the efficient operation of engine systems, particularly when integrated with the Governor, Fuel Module, and Fuel Control.

Integration with the Governor

The Governor is responsible for maintaining the engine’s speed within a specified range. The Air Inlet Adapter ensures a consistent and regulated airflow into the engine, which is vital for the Governor to function effectively. Proper airflow allows the Governor to make precise adjustments to the engine speed, ensuring optimal performance and stability under varying load conditions.

Interaction with the Fuel Module

The Fuel Module manages the fuel delivery to the engine. The Air Inlet Adapter plays a role in this process by providing a steady stream of air that mixes with the fuel. This air-fuel mixture is critical for combustion efficiency. The Adapter ensures that the air entering the Fuel Module is clean and at the correct pressure, which helps in achieving the desired fuel-to-air ratio for efficient combustion.

Coordination with the Fuel Control

The Fuel Control unit regulates the amount of fuel injected into the engine. The Air Inlet Adapter supports this function by ensuring that the air supply is consistent and free from contaminants. This consistency allows the Fuel Control to deliver fuel accurately, enhancing the engine’s overall performance and fuel efficiency. The Adapter also helps in maintaining the correct air pressure, which is essential for the Fuel Control to operate within its specified parameters.

Conclusion

In summary, the 4987660 Air Inlet Adapter is a key component that enhances the functionality of the Governor, Fuel Module, and Fuel Control, contributing to the overall efficiency and reliability of the engine system.