3638717
Threaded Plug
Cummins®

Introduction

The Threaded Plug Cap 3638717, manufactured by Cummins, is a component designed for use in commercial truck maintenance. Cummins, a well-established name in the industry, produces a range of parts and systems that contribute to the efficiency and reliability of heavy-duty trucks. This part plays a role in maintaining the integrity of a truck’s engine and fluid systems ¹.

Basic Concepts of Threaded Plug Caps

A threaded plug cap is a mechanical component used to seal openings in various systems, including engines and fluid systems. Its primary function is to prevent the escape of fluids or gases, thereby maintaining system pressure and protecting internal components from contaminants. In the context of a truck’s engine, a threaded plug cap may be used to seal oil passages, coolant channels, or other critical areas where fluid containment is necessary ².

Purpose of the 3638717 Threaded Plug Cap

The 3638717 Threaded Plug Cap serves specific functions within a truck’s operation. It is designed to provide a secure seal in areas where fluid or gas containment is required. By doing so, it helps maintain system pressure and protects internal components from damage caused by leaks or contaminants. This cap is integral to ensuring the efficient operation of the truck’s engine and fluid systems ³.

Key Features

The 3638717 Threaded Plug Cap is characterized by several key features that enhance its functionality and durability. It is constructed from high-quality materials, ensuring resistance to corrosion and wear. The thread type is designed for a secure fit, preventing leaks and ensuring the cap remains in place under various operating conditions. Additionally, the design specifications of the cap are tailored to meet the demanding requirements of commercial truck applications.

Benefits

Utilizing the 3638717 Threaded Plug Cap offers several advantages. It contributes to improved system integrity by providing a reliable seal, which is crucial for maintaining pressure and preventing leaks. The enhanced performance of the truck’s components is a direct result of the cap’s ability to protect against contaminants and ensure fluid containment. Furthermore, the durability of the cap contributes to the longevity of the truck’s engine and fluid systems.

Installation Process

Proper installation of the 3638717 Threaded Plug Cap is vital to ensure its effectiveness. The process involves several steps, including the use of appropriate tools, preparation of the installation site, and adherence to torque specifications. Careful attention to these details ensures a secure fit, preventing leaks and ensuring the cap functions as intended within the truck’s system.

Common Issues and Troubleshooting

Threaded plug caps, including the 3638717, may encounter issues such as leaks or corrosion over time. Identifying these problems early and applying appropriate troubleshooting methods can help maintain the cap’s effectiveness. Regular inspections and maintenance can prevent many common issues, ensuring the cap continues to provide a reliable seal.

Maintenance Tips

To prolong the life of the 3638717 Threaded Plug Cap, regular maintenance is recommended. This includes periodic inspections to check for signs of wear or damage, cleaning the cap and its surrounding area to prevent buildup of contaminants, and replacing the cap when necessary. Adhering to these maintenance practices helps ensure the cap remains in optimal condition, contributing to the overall efficiency of the truck’s engine and fluid systems.

Cummins: A Brief Overview

Cummins Inc. is a global leader in the design, manufacture, and distribution of engines and related technologies. With a history of innovation and commitment to quality, Cummins has established a strong reputation in the commercial truck industry. The company’s product range includes engines, filtration systems, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications. Cummins’ dedication to quality and innovation is evident in its parts, including the 3638717 Threaded Plug Cap ⁴.

Compatibility with Cummins Engines

This Cummins part is designed to fit a variety of Cummins engines. It is integral in sealing threaded openings, ensuring that the engine operates efficiently and safely. Below is a detailed description of its compatibility with specific Cummins engines:

K50 Series Engines

The K50 series engines, including the K50, are robust and versatile, often used in heavy-duty applications. The Threaded Plug Cap 3638717 is compatible with these engines, providing a secure seal for threaded ports.

KTA38GC CM558

The KTA38GC CM558 engine is a high-performance, heavy-duty diesel engine. The Threaded Plug Cap 3638717 fits seamlessly into the threaded openings of this engine, ensuring optimal sealing and performance.

QSK38 Series Engines

The QSK38 series engines, such as the QSK38 CM2150 MCRS and QSK38 CM850 MCRS, are known for their reliability and efficiency. The Threaded Plug Cap 3638717 is designed to fit these engines, providing a reliable seal for threaded ports.

QSK50 Series Engines

The QSK50 series engines, including the QSK50 CM2150 K107, QSK50 CM2150 MCRS, QSK50 CM2350 K108, and QSK60 CM850 MCRS, are widely used in various applications due to their durability and performance. The Threaded Plug Cap 3638717 is compatible with these engines, ensuring secure sealing of threaded openings.

QSK95 Series Engines

The QSK95 series engines, such as the QSK95 CM2350 K111 and QSK95 CM2350 K113, are high-performance engines designed for demanding applications. The Threaded Plug Cap 3638717 fits these engines, providing a reliable seal for threaded ports.

By ensuring a secure fit with these engines, the Threaded Plug Cap 3638717 contributes to the overall efficiency and safety of the engine’s operation.

Role in Engine Systems

This part is an essential component in various engine systems, ensuring the integrity and efficiency of the engine’s operation. When integrated with base parts, this plug cap plays a significant role in sealing off unused passages or ports within the engine block. This sealing function prevents coolant or oil leakage, maintaining the engine’s fluid levels and ensuring optimal performance.

In the context of the water pump, the Threaded Plug Cap is often used to seal off coolant passages that are not in use. This is particularly important in engines where the water pump may have multiple inlets or outlets. By properly sealing these passages, the cap helps maintain consistent coolant flow, which is vital for effective engine cooling and preventing overheating.

When considering the water pump kit, the inclusion of the Threaded Plug Cap is beneficial for ensuring that the water pump system is correctly configured for the specific engine application. The cap can be used to close off any unnecessary coolant pathways, allowing the water pump to operate more efficiently by directing coolant flow only where it is needed. This not only enhances the cooling system’s performance but also contributes to the longevity of the engine by preventing potential coolant leaks.

Overall, the 3638717 Threaded Plug Cap is a versatile component that supports the functionality of base parts, water pumps, and water pump kits by providing reliable sealing solutions within the engine system.

Conclusion

The 3638717 Threaded Plug Cap by Cummins is a critical component in maintaining the efficiency and reliability of commercial truck engines. Its role in sealing off unused passages and ports within the engine block ensures optimal performance and longevity of the engine. Proper installation, regular maintenance, and understanding its compatibility with various Cummins engines are essential for maximizing the benefits of this part.