4929619
Threaded Plug
Cummins®

Introduction

The Cummins 4929619 Threaded Plug is a component designed for use in commercial trucks. It serves a specific function within the truck’s systems, contributing to the overall maintenance and operational efficiency of the vehicle. Understanding its purpose and significance is key to ensuring the truck operates smoothly and reliably.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal openings in various systems, including automotive and industrial applications. They are screwed into place to create a secure seal, preventing the escape of fluids or gases. These plugs are vital in maintaining system integrity and efficiency by ensuring that no leaks occur, which could lead to performance issues or safety hazards ¹.

Purpose of the Cummins 4929619 Threaded Plug

The Cummins 4929619 Threaded Plug plays a role in sealing specific points within a truck’s engine or other systems. Its function is to maintain the integrity of the system by preventing the leakage of fluids or gases, which is crucial for the efficient operation of the truck. By ensuring a tight seal, it helps in maintaining the pressure and fluid levels necessary for optimal performance ².

Key Features

The Cummins 4929619 Threaded Plug is characterized by several features that enhance its performance and durability. It is made from materials that resist corrosion and wear, ensuring longevity even in harsh operating conditions. The thread type is designed to provide a secure fit, and the plug’s design specifications are tailored to meet the demands of commercial truck applications ³.

Benefits of Using the Cummins 4929619 Threaded Plug

Incorporating the Cummins 4929619 Threaded Plug into truck maintenance routines offers several advantages. It provides improved sealing, which is crucial for maintaining system efficiency. Its durable construction ensures longevity, reducing the need for frequent replacements. Additionally, the reliability of the plug contributes to the overall reliability of the truck, minimizing downtime and maintenance costs ⁴.

Installation Process

Proper installation of the Cummins 4929619 Threaded Plug is crucial for ensuring optimal performance and longevity. The installation process involves cleaning the area where the plug will be installed, applying the appropriate sealant if necessary, and screwing the plug into place until it reaches the specified torque. Following these steps ensures a secure fit and effective sealing ⁵.

Common Issues and Troubleshooting

Threaded plugs, including the Cummins 4929619, may encounter issues such as leaks or corrosion over time. Regular inspections can help identify these problems early. Troubleshooting may involve cleaning the plug and its seating area, applying a new sealant, or replacing the plug if it is damaged or worn. Addressing these issues promptly helps maintain the efficiency and safety of the truck ⁶.

Maintenance Tips

To ensure the longevity and effectiveness of the Cummins 4929619 Threaded Plug, regular maintenance practices are recommended. This includes periodic inspections to check for signs of wear or damage, cleaning the plug and its seating area, and replacing the plug according to the manufacturer’s guidelines or when signs of failure are detected ⁷.

Manufacturer Information - Cummins

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its wide range of products and commitment to quality and reliability. The company’s history of innovation and excellence in engine technology provides a strong foundation for the quality and performance of the Cummins 4929619 Threaded Plug ⁸.

Compatibility with Cummins Engines

This Cummins part is designed to fit a variety of Cummins engines. Below is a detailed description of its compatibility across different engine models.

ISB Series

• ISB CM2150
  The threaded plug 4929619 is compatible with the ISB CM2150 engine, ensuring a secure fit for various applications.

• ISB/ISD 4.5 CM2150 B119
  This engine variant also utilizes the 4929619 threaded plug, providing a reliable sealing solution.

• ISB/ISD 6.7 CM2150 SN
  The threaded plug fits seamlessly with the ISB/ISD 6.7 CM2150 SN engine, maintaining the integrity of the system.

• ISB 4.5 CM2350 B104
  The 4929619 part is suitable for the ISB 4.5 CM2350 B104 engine, ensuring proper sealing and function.

• ISB 6.7 CM2250
  This engine model is designed to work with the threaded plug 4929619, offering a dependable fit.

• ISB 6.7 CM2350 B101
  The ISB 6.7 CM2350 B101 engine is another model that benefits from the use of the 4929619 threaded plug.

ISBE Series

• ISBE CM2150
  The threaded plug 4929619 is compatible with the ISBE CM2150 engine, providing a secure and effective sealing solution.

• ISBE 4 CM850
  This engine variant also utilizes the 4929619 threaded plug, ensuring optimal performance.

QSB Series

• QSB 4.5 CM850 (CM2850)
  The threaded plug 4929619 fits the QSB 4.5 CM850 (CM2850) engine, ensuring a reliable seal.

• QSB 6.7 CM2250
  The 4929619 part is suitable for the QSB 6.7 CM2250 engine, providing a dependable sealing solution.

• QSB 6.7 CM850 (CM2850)
  This engine model is designed to work with the threaded plug 4929619, offering a secure fit.

• QSB 7 CM2880 B117
  The threaded plug 4929619 is compatible with the QSB 7 CM2880 B117 engine, ensuring proper sealing and function.

Role of Part 4929619 Threaded Plug in Engine Systems

This part is an essential component in various engine systems, contributing to the overall functionality and efficiency of these systems.

Accessories

In the context of engine accessories, the Threaded Plug is often utilized to seal openings in manifolds or housings. This ensures that no fluids or gases escape, maintaining the integrity of the accessory’s operation. For instance, in turbochargers or superchargers, the plug may be used to seal off ports that are not in use, preventing any potential leaks that could affect performance.

Fuel System

Within the fuel system, the Threaded Plug plays a significant role in maintaining pressure and preventing leaks. It is commonly employed in fuel rails to cap off unused injector ports. This application ensures that the fuel system remains pressurized, which is vital for consistent fuel delivery to the engine. Additionally, in fuel tanks, the plug may be used to seal openings where fuel gauge senders or other components are not installed, safeguarding the system from contamination and leaks.

Plumbing

In engine plumbing, the Threaded Plug is used to seal various passages and ports. This includes applications in coolant systems where it may cap off unused heater core connections or thermostat housing ports. By doing so, it helps maintain the integrity of the coolant flow, ensuring efficient heat management within the engine. Furthermore, in oil systems, the plug can be used to seal off unused passages in the oil gallery, preserving oil pressure and preventing leaks.

Fuel

Specifically within the fuel subsystem, the Threaded Plug is instrumental in ensuring the reliability and safety of the fuel delivery process. It is often used in fuel injectors to seal off ports that are not in use, which helps in maintaining consistent fuel pressure throughout the system. This application is particularly important in direct injection systems where precise fuel delivery is paramount for engine performance and emissions control.

Conclusion

The Cummins 4929619 Threaded Plug is a critical component in maintaining the efficiency and reliability of commercial truck engines. Its role in sealing various systems ensures that fluids and gases remain contained, contributing to the overall performance and safety of the vehicle. Proper installation, regular maintenance, and prompt troubleshooting of issues are essential practices to maximize the benefits of this part.