4981333
Air Intake Manifold
Cummins®

The Cummins 4981333 Air Intake Manifold is a component designed for use in heavy-duty trucks. It serves a significant role in the engine’s operation by facilitating the distribution of air to the engine cylinders. This part is integral to maintaining the efficiency and performance of the truck’s engine ¹.

Basic Concepts of Air Intake Manifolds

An air intake manifold is a component that connects the air filter to the engine’s intake ports. Its function is to evenly distribute the air-fuel mixture to each cylinder. This distribution is crucial for the combustion process, which powers the engine. The manifold’s design and material can influence the engine’s performance, including its power output and fuel efficiency ².

Purpose of the 4981333 Air Intake Manifold

The 4981333 Air Intake Manifold is specifically designed to enhance the air distribution process in heavy-duty truck engines. By ensuring a consistent flow of air to each cylinder, it contributes to the engine’s overall performance. This part plays a role in optimizing the air-fuel mixture, which is vital for efficient combustion and engine operation ³.

Key Features

The 4981333 Air Intake Manifold is characterized by its robust design and the use of high-quality materials. These features contribute to its durability and performance. The manifold is engineered to withstand the demanding conditions of heavy-duty truck operation, ensuring reliable performance over time.

Benefits

The use of the 4981333 Air Intake Manifold can lead to several benefits. These include improved engine efficiency, as the manifold ensures a consistent air supply to the cylinders. Additionally, it may contribute to enhanced engine performance and potentially increase fuel economy by optimizing the air-fuel mixture.

Installation Process

Installing the 4981333 Air Intake Manifold involves several steps. It is important to follow the manufacturer’s guidelines to ensure proper installation. This process includes preparing the engine compartment, aligning the manifold with the intake ports, and securing it in place. Attention to detail during installation can help prevent issues and ensure optimal performance.

Maintenance and Troubleshooting

Regular maintenance of the 4981333 Air Intake Manifold is important for its longevity and performance. This includes checking for any signs of wear or damage and ensuring that all connections are secure. Troubleshooting common issues, such as leaks or uneven air distribution, can help maintain the engine’s efficiency and performance.

Compatibility and Applications

The 4981333 Air Intake Manifold is designed for use in specific engine types and truck models. Its application is tailored to meet the demands of heavy-duty truck operation, ensuring compatibility with the engine’s requirements for air distribution.

Cummins Overview

Cummins Inc. is a well-established manufacturer of diesel engines and related components. The company has a history of producing high-quality, reliable parts for the automotive and heavy-duty truck industries. This reputation underscores the quality and reliability of the 4981333 Air Intake Manifold, reflecting Cummins’ commitment to excellence in engine component manufacturing.

Cummins Air Intake Manifold 4981333 Compatibility

The Cummins Air Intake Manifold part number 4981333 is designed to fit a range of Cummins engines, ensuring optimal air flow and engine performance. This part is compatible with the following engines:

ISB/ISD6.7 CM2150 SN, ISBE CM2150

The ISB/ISD6.7 CM2150 SN and ISBE CM2150 engines benefit from the 4981333 air intake manifold. This part is engineered to provide a precise fit, ensuring that the manifold integrates seamlessly with the engine’s architecture, enhancing overall efficiency and performance.

ISB/ISD6.7 CM2150 SN, ISB/ISD6.7 CM2150 SN, ISBE4 CM850

The ISB/ISD6.7 CM2150 SN and ISBE4 CM850 engines also utilize the 4981333 air intake manifold. This compatibility ensures that the manifold’s design aligns with the specific requirements of these engines, facilitating efficient air intake and contributing to the engine’s operational effectiveness.

QSB6.7 CM850 (CM2850), QSB7 CM2880 B117

The QSB6.7 CM850 (CM2850) and QSB7 CM2880 B117 engines are also compatible with the 4981333 air intake manifold. This part is crafted to fit these engines precisely, ensuring that the manifold integrates smoothly with the engine’s design, thereby enhancing air intake efficiency and supporting optimal engine performance.

Role of Part 4981333 Air Intake Manifold in Engine Systems

The Air Intake Manifold, specifically part 4981333, is integral to the efficient operation of an engine system. It serves as a conduit for the air-fuel mixture, directing it from the throttle body to the engine’s cylinders. This manifold is designed to evenly distribute the mixture across all cylinders, ensuring optimal combustion and engine performance.

In conjunction with the throttle body, the Air Intake Manifold regulates the airflow into the engine. This regulation is vital for maintaining the correct air-fuel ratio, which is essential for efficient combustion and power output. The manifold also interfaces with the engine control unit (ECU), allowing for precise control over airflow and fuel delivery.

Furthermore, the Air Intake Manifold works in harmony with the exhaust system. As the engine operates, the manifold helps manage the pressure differentials between the intake and exhaust strokes, contributing to smoother engine operation and reduced emissions.

Conclusion

In summary, the 4981333 Air Intake Manifold plays a significant role in the engine’s air intake process, ensuring that the air-fuel mixture is delivered efficiently and consistently to the engine’s cylinders. This component is essential for maintaining engine performance, fuel efficiency, and emissions compliance.