4349117
Air Intake Manifold
Cummins®

The Cummins 4349117 Air Intake Manifold is a component designed for use in commercial trucks. It plays a role in the engine’s operation by facilitating the distribution of air to the engine cylinders. This part is integral to the efficient functioning of the truck’s engine, contributing to overall performance and reliability.

Basic Concepts of Air Intake Manifolds

An air intake manifold is a part of the engine that distributes the air/fuel mixture into the combustion chambers of the engine. It connects to the throttle body or carburetor and extends to the intake ports of the engine cylinders. The manifold ensures that each cylinder receives an equal amount of the air/fuel mixture, which is important for balanced engine operation and performance. The design and material of the manifold can influence engine efficiency, power output, and emissions ¹.

Purpose of the Cummins 4349117 Air Intake Manifold

The Cummins 4349117 Air Intake Manifold is specifically engineered to enhance the air distribution process within the engine. By ensuring a consistent and efficient flow of air to each cylinder, it supports optimal combustion, which is fundamental to the engine’s performance. This part plays a role in maintaining the engine’s power output and efficiency by facilitating a uniform air supply across all cylinders ².

Key Features

The Cummins 4349117 Air Intake Manifold is characterized by several design elements and material choices that enhance its performance. It is constructed from durable materials to withstand the high temperatures and pressures within the engine compartment. The design includes precise engineering to ensure an even distribution of air, contributing to the engine’s smooth operation and efficiency.

Benefits

The use of the Cummins 4349117 Air Intake Manifold in a truck’s engine can lead to several advantages. These include improved engine efficiency due to better air distribution, enhanced overall performance of the engine, and the potential for increased fuel economy. Additionally, the durable construction of the manifold contributes to its longevity and reliability under demanding conditions ³.

Installation Process

Installing the Cummins 4349117 Air Intake Manifold requires careful attention to ensure proper fitment and function. The process involves disconnecting the old manifold, cleaning the mounting area, and securing the new manifold in place with the appropriate fasteners. It is important to follow the manufacturer’s guidelines for installation to ensure compatibility and performance.

Maintenance and Care

To ensure the longevity and optimal performance of the Cummins 4349117 Air Intake Manifold, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning to remove any debris that may obstruct airflow, and ensuring all connections are secure. Proper maintenance helps prevent issues and ensures the manifold continues to function efficiently.

Troubleshooting Common Issues

Common issues with the Cummins 4349117 Air Intake Manifold may include leaks, blockages, or damage to the manifold itself. Troubleshooting these issues involves inspecting the manifold for visible signs of damage, checking for leaks in the system, and ensuring all connections are tight. Addressing these issues promptly can help maintain engine performance and prevent further damage.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins serves commercial, industrial, and automotive markets. The company is known for its commitment to reliability, performance, and sustainability in the products it offers.

Cummins Air Intake Manifold 4349117 Compatibility

The Cummins Air Intake Manifold part number 4349117 is designed to fit seamlessly with several engine models, ensuring optimal performance and efficiency. This part is engineered to provide a precise fit and function across various engine configurations, enhancing the overall air intake system.

V903 Engines

The V903 engine series is one of the key beneficiaries of the 4349117 Air Intake Manifold. This part is specifically tailored to integrate with the V903 engines, ensuring that the air intake system operates at peak efficiency. The manifold’s design allows for improved air flow, which is crucial for maintaining the engine’s performance and reliability.

Grouping of Compatible Engines

While the V903 engines are a primary focus, the 4349117 Air Intake Manifold is also compatible with other Cummins engines within the same family or series. This compatibility is due to the standardized design and engineering principles that Cummins employs across its engine lineup. By using the 4349117 manifold, users can expect consistent performance and ease of installation across different engine models.

Installation and Integration

The installation of the 4349117 Air Intake Manifold is straightforward, thanks to its precise engineering. It is designed to fit snugly with the engine’s architecture, ensuring that there are no gaps or leaks that could compromise the air intake system. This part is made from high-quality materials that can withstand the rigors of engine operation, ensuring durability and longevity.

Performance Benefits

By using the 4349117 Air Intake Manifold, users can expect several performance benefits. These include improved air flow, which leads to better combustion efficiency and increased power output. Additionally, the manifold’s design helps to reduce air restrictions, which can enhance the engine’s overall responsiveness and performance.

Role of Part 4349117 Air Intake Manifold in Engine Systems

The Air Intake Manifold (AIM), specifically part 4349117, is integral to the efficient operation of an engine system. Its primary function is to distribute the air-fuel mixture to the cylinders in an internal combustion engine. Here’s how it interacts with various components:

• Throttle Body: The AIM connects directly to the throttle body, which regulates the amount of air entering the engine. This connection ensures that the air-fuel mixture is metered accurately based on the driver’s input.

• Intake Ports: The manifold features multiple intake ports, each leading to an individual cylinder. These ports are designed to evenly distribute the air-fuel mixture, promoting consistent combustion across all cylinders.

• Fuel Injectors: In fuel-injected engines, the AIM houses or is closely associated with fuel injectors. These injectors spray fuel into the incoming air stream, which is then mixed and directed into the cylinders.

• Air Mounting Manifold: This component often works in conjunction with the AIM to further regulate air distribution. The air mounting manifold can include additional sensors and control mechanisms to fine-tune air flow, enhancing engine performance and efficiency.

• Sensors: Various sensors, such as the Mass Air Flow (MAF) sensor and Oxygen (O2) sensors, are typically integrated into or near the AIM. These sensors provide real-time data to the engine control unit (ECU), allowing for precise adjustments to the air-fuel ratio.

• Vacuum Lines: The AIM is also connected to vacuum lines that serve multiple functions, including operating various engine components like the brake booster and emission control systems.

In summary, the Air Intake Manifold part 4349117 plays a significant role in ensuring that the engine receives a consistent and properly mixed air-fuel supply, which is essential for optimal performance and efficiency.

Conclusion

The Cummins 4349117 Air Intake Manifold is a critical component in the efficient operation of commercial truck engines. Its design and construction are tailored to enhance air distribution, improve engine performance, and ensure reliability under demanding conditions. Regular maintenance and prompt troubleshooting of common issues are essential to maximize the benefits of this Cummins part.