3688948
Air Intake Manifold
Cummins®

Introduction

The Air Intake Manifold 3688948 is a component produced by Cummins, designed specifically for heavy-duty trucks. This part is integral to the engine’s operation, facilitating the distribution of air to the engine cylinders. Its role in ensuring efficient air delivery contributes significantly to the overall performance and efficiency of the vehicle ¹.

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 plays a role in the engine’s operation by ensuring that each cylinder receives a consistent amount of air, which is necessary for combustion. The efficiency of this distribution can impact the engine’s performance, fuel economy, and emissions ².

Purpose of the 3688948 Air Intake Manifold

The 3688948 Air Intake Manifold is designed to distribute air evenly to the engine cylinders in heavy-duty trucks. By ensuring a uniform air supply, it contributes to the engine’s combustion process, which is vital for generating power. This part’s function is crucial for maintaining the engine’s performance under various operating conditions ³.

Key Features

The 3688948 Air Intake Manifold is constructed from durable materials, ensuring longevity and resistance to the harsh conditions encountered in heavy-duty applications. Its design incorporates features that enhance airflow efficiency, such as smooth internal passages and precise engineering. These characteristics contribute to its performance and durability ⁴.

Benefits

Utilizing the 3688948 Air Intake Manifold can lead to improved engine efficiency and performance. By optimizing air distribution, it can contribute to more complete combustion, potentially leading to increased fuel economy. Additionally, its robust construction ensures reliability over time, reducing the need for frequent replacements ⁵.

Installation and Compatibility

Proper installation of the 3688948 Air Intake Manifold involves following manufacturer guidelines to ensure it is securely fitted and functions correctly. Compatibility with various Cummins engine models is a consideration, ensuring that the manifold is suitable for the specific engine it is intended to service ⁶.

Maintenance and Troubleshooting

To maintain optimal performance, regular inspection and cleaning of the 3688948 Air Intake Manifold are recommended. This includes checking for any signs of wear, damage, or leaks that could affect its operation. Troubleshooting common issues, such as reduced airflow or leaks, involves identifying the source of the problem and taking corrective action, which may include repairs or replacements ⁷.

Performance Enhancements

Upgrading or modifying the 3688948 Air Intake Manifold can lead to performance enhancements, such as increased horsepower or torque. These modifications can be achieved through improvements in airflow efficiency or by integrating the manifold with other performance-enhancing components ⁸.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the automotive industry, known for its high-quality components and commitment to innovation. With a history of producing reliable and efficient engine parts, Cummins has built a reputation for excellence in the heavy-duty truck sector. The company’s dedication to quality is evident in its product line, including the 3688948 Air Intake Manifold ⁹.

Compatibility with Cummins Engines

The Air Intake Manifold, identified by part number 3688948, is designed to ensure optimal airflow into the engine, which is essential for efficient combustion and overall engine performance. The manifold is engineered to fit seamlessly with several Cummins engine models, providing a reliable and durable solution for maintaining engine efficiency ¹⁰.

Compatible Engines

• ISX15 CM2250 and ISX15 CM2350 X101
• QSX15 CM2250 and QSX15 CM2250 ECF

These engines are known for their robust performance and are widely used in heavy-duty applications. The manifold’s design ensures that it can handle the high demands of these engines, providing a stable and efficient air supply ¹¹.

Installation and Performance

The installation of the Air Intake Manifold part 3688948 is straightforward, thanks to its precise engineering. It connects seamlessly with the engine’s intake system, ensuring that the airflow is optimized for the specific engine model it is paired with. This compatibility is crucial for maintaining the engine’s performance and efficiency, as any disruption in the air intake can lead to suboptimal combustion and reduced engine life ¹².

Conclusion

The Air Intake Manifold 3688948 by Cummins is a critical component in the engine’s air intake system, designed to distribute the air-fuel mixture evenly into the cylinders. Its precise engineering and compatibility with various Cummins engines ensure optimal performance and efficiency. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.