3897087
Threaded Plug
Cummins®

Introduction

The Cummins 3897087 Threaded Plug is a component designed for use in commercial trucks. It serves a specific function within the truck’s system, contributing to the overall efficiency and reliability of the vehicle. This plug is part of Cummins Inc.’s range of engine components, known for their quality and performance in the commercial truck industry.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal openings in various systems. They function by being screwed into place, creating a tight seal that prevents fluid leaks and maintains system integrity. These plugs are typically constructed from materials such as steel, brass, or plastic, chosen for their durability and resistance to corrosion. The threading on these plugs can vary, with common types including NPT (National Pipe Thread) and BSP (British Standard Pipe), among others. The choice of material and threading type depends on the specific application and the environment in which the plug will operate ¹.

Purpose and Function of the 3897087 Threaded Plug

The Cummins 3897087 Threaded Plug plays a role in sealing specific openings within a truck’s system. Its primary function is to prevent fluid leaks, which is vital for maintaining the system’s integrity and ensuring the truck operates efficiently. By sealing these openings, the plug helps in preserving the pressure and fluid levels necessary for the proper functioning of the truck’s engine and other systems ².

Key Features

The Cummins 3897087 Threaded Plug is characterized by several key features that enhance its performance and durability. Its design is tailored to fit specific applications within Cummins engines, ensuring a precise fit and effective sealing. The material composition of the plug is selected for its strength and resistance to the operating conditions it will encounter. The threading specifications are designed to provide a secure fit, and any unique attributes of the plug, such as special coatings or treatments, further enhance its performance and longevity ³.

Benefits

Using the Cummins 3897087 Threaded Plug offers several advantages. Its design contributes to improved sealing efficiency, reducing the risk of fluid leaks. The plug’s durability allows it to withstand high-stress conditions, ensuring long-term reliability. Additionally, its compatibility with Cummins engines ensures seamless integration and optimal performance within the truck’s system.

Troubleshooting and Maintenance

Common issues with threaded plugs can include leaks due to wear or damage, or difficulty in removal due to corrosion. Diagnosing these problems involves inspecting the plug and the surrounding area for signs of damage or wear. Maintenance practices to ensure the longevity and proper function of the plug include regular inspection and, if necessary, replacement. When replacing the plug, it is important to use the correct tools and techniques to avoid damaging the threading or the surrounding components.

About Cummins

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to quality and innovation in engine components. With a history of providing reliable and high-performance products, Cummins has established a strong reputation among truck manufacturers and operators. The company’s product range includes a variety of engine components designed to enhance the efficiency, reliability, and performance of commercial trucks.

Compatibility with Cummins Engines

This Cummins part is designed to fit seamlessly within a range of Cummins engine models. This plug is integral to the engine’s operation, ensuring that specific points are sealed appropriately. Here is a detailed look at its compatibility with various Cummins engines:

6C8.3 Engines

The 6C8.3 engine series benefits from the 3897087, which is specifically engineered to fit into the designated threaded holes within the engine block. This plug ensures that the engine maintains its structural integrity and operational efficiency by preventing leaks and maintaining pressure where necessary.

QSC8.3 Engines

Similarly, the QSC8.3 engine series incorporates the 3897087 in its design. This plug is crucial for sealing off certain parts of the engine, ensuring that the engine operates smoothly and efficiently. Its precise fit is essential for maintaining the engine’s performance and longevity.

CM850 (CM2850) Engines

The CM850 (CM2850) engine series also utilizes the 3897087. This plug is designed to fit into the threaded holes within the engine block, providing a secure seal that is critical for the engine’s functionality. Its compatibility with these engines ensures that the engine can operate under various conditions without compromising its performance.

Grouping of Engines

The 3897087 is compatible with the following engine groups:

• 6C8.3 Engines
• QSC8.3 Engines
• CM850 (CM2850) Engines

These engines, while differing in specific applications and configurations, share a common requirement for the 3897087. This compatibility ensures that the plug can be used across multiple engine models, simplifying maintenance and repair processes.

Role of 3897087 in Engine Systems

The 3897087 is an essential component in maintaining the integrity and efficiency of various engine systems. Its primary function is to seal openings within the engine, preventing the escape of fluids, gases, or contaminants that could compromise engine performance.

Application in Cleaner Systems

In cleaner systems, the threaded plug is utilized to seal ports or passages that are not in use. This ensures that the cleaner system operates efficiently by maintaining the correct pressure and flow of cleaning agents. By preventing leaks, the threaded plug helps in preserving the cleaner’s effectiveness, ensuring that the engine components are thoroughly cleaned without any loss of cleaning solution.

Integration with Air Systems

Within air systems, the threaded plug plays a significant role in sealing off unused air passages or ducts. This is particularly important in maintaining the correct air-fuel ratio in the engine. By sealing these passages, the plug ensures that air flows only through the intended pathways, optimizing combustion efficiency and reducing the risk of air leaks that could lead to performance issues.

Enhanced Engine Performance

The use of the threaded plug in these systems contributes to overall engine performance by ensuring that all components operate within their designed parameters. Proper sealing prevents contamination and maintains system pressures, leading to more reliable and efficient engine operation.

Conclusion

In summary, the 3897087 is a vital component in ensuring the sealed integrity of cleaner and air systems within an engine, directly influencing its performance and longevity.