3686747
Air Intake Manifold
Cummins®

The Cummins Air Intake Manifold, part number 3686747, is a critical component designed for heavy-duty trucks, significantly contributing to their operation. This part is integral to the engine’s air intake system, facilitating the efficient mixing of air and fuel, which is vital for engine performance ².

Basic Concepts of Air Intake Manifolds

An air intake manifold is a component of an internal combustion engine that distributes the air-fuel mixture into the cylinders. Its function is to ensure that each cylinder receives an equal amount of the mixture, which is essential for balanced combustion and engine efficiency. The design and material of the manifold can influence engine performance, including power output and fuel economy ¹.

Purpose of the Cummins Air Intake Manifold

The Cummins Air Intake Manifold, part number 3686747, is designed to enhance the operation of heavy-duty trucks by optimizing the air-fuel mixture. It plays a role in the engine’s performance by ensuring that air and fuel are thoroughly mixed before entering the cylinders. This efficient mixing contributes to better engine efficiency and increased power output, which are critical for the demanding tasks that heavy-duty trucks often undertake ².

Key Features

This Cummins part is constructed with high-quality materials and engineered to meet specific specifications. Its design includes features that enhance performance and durability. The manifold is made from materials that can withstand high temperatures and pressures, ensuring longevity and reliable operation in demanding conditions ³.

Benefits

The 3686747 offers several advantages. It contributes to improved engine performance by ensuring a consistent air-fuel mixture. This can lead to increased fuel efficiency, as the engine operates more effectively. Additionally, the durable construction of the manifold ensures it can withstand the rigors of heavy-duty use, providing long-term reliability ².

Installation Process

Installing the 3686747 requires careful attention to detail to ensure optimal performance. The process involves several steps, including preparing the engine bay, aligning the manifold with the engine, and securing it in place. Using the correct tools and following best practices during installation is important to maintain the integrity of the manifold and ensure it functions as designed ¹.

Maintenance Tips

Regular maintenance of the 3686747 is important to keep it in optimal condition. This includes cleaning the manifold to remove any buildup that could affect performance, inspecting it for signs of wear or damage, and replacing gaskets or seals as necessary. Proper maintenance helps to ensure the manifold continues to operate efficiently and contributes to the overall performance of the engine ³.

Troubleshooting Common Issues

Common issues with air intake manifolds can include leaks, cracks, or blockages. These problems can affect engine performance and should be addressed promptly. Diagnosing these issues involves inspecting the manifold for visible signs of damage and checking for leaks in the air intake system. Addressing these problems may require repairs or replacement of the manifold to restore engine performance ².

Cummins: A Brief Overview

Cummins Inc. is a well-established company in the diesel engine and components market, known for its commitment to innovation and quality. With a history of providing reliable and high-performance engine components, Cummins has built a reputation for excellence in the automotive industry. The company’s focus on research and development ensures that its products, like the 3686747, meet the needs of heavy-duty applications ³.

Cummins Air Intake Manifold 3686747 Compatibility

The Cummins Air Intake Manifold part number 3686747 is designed to fit a range of Cummins engines, ensuring optimal air flow and efficiency. This part is compatible with the following engines:

ISX15 Series

• ISX15 CM2250
• ISX15 CM2350 X101

QSX15 Series

• QSX15 CM2250
• QSX15 CM2250 ECF

This manifold is engineered to work seamlessly with the specified engines, providing a reliable and efficient air intake system. It is essential for maintaining the performance and longevity of these engines ³.

Conclusion

The Cummins Air Intake Manifold, part number 3686747, is a meticulously designed component that plays a vital role in the efficient operation of heavy-duty truck engines. By ensuring a consistent and optimal air-fuel mixture, this part contributes to enhanced engine performance, increased fuel efficiency, and reliable operation under demanding conditions. Regular maintenance and prompt troubleshooting of common issues are essential to maintain the manifold’s efficiency and the overall performance of the engine.