4349919
Threaded Plug
Cummins®

Introduction

The Cummins 4349919 Threaded Plug is a component designed for use in commercial trucks. It serves a specific function within the vehicle’s systems, contributing to the overall maintenance and efficiency of the truck. Understanding its purpose and significance can aid in the proper upkeep and operation of commercial vehicles.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal openings in various systems, such as engines, fuel systems, and hydraulic systems. They function by creating a secure, leak-proof seal when screwed into place. The threads ensure a tight fit, preventing the escape of fluids or gases and protecting the system from contaminants. Threaded plugs are commonly used in automotive and industrial applications to maintain system integrity and efficiency ¹.

Purpose of the Cummins 4349919 Threaded Plug

The Cummins 4349919 Threaded Plug plays a role in sealing specific ports within a truck’s engine or other systems. Its function is to prevent fluid leaks and maintain system pressure, ensuring that the engine operates efficiently. By sealing off unused ports or providing a temporary seal during maintenance, this plug helps in preserving the integrity of the engine’s systems.

Key Features

This Cummins part is constructed with materials and design specifications that enhance its performance and durability. It features a specific thread type that ensures a secure fit within the designated ports. The material composition is chosen to withstand the pressures and temperatures encountered within the engine system, contributing to its longevity and reliability.

Benefits

Using the Cummins 4349919 Threaded Plug offers several advantages. It contributes to improved system integrity by providing a reliable seal that prevents fluid leaks. This, in turn, helps maintain optimal engine performance. Additionally, the plug’s design and material composition ensure durability, reducing the need for frequent replacements and contributing to the overall efficiency of the truck.

Installation Process

Installing the Cummins 4349919 Threaded Plug requires following a series of steps to ensure a secure fit. The process involves cleaning the port to remove any debris, applying a thread sealant if necessary, and screwing the plug into place using the appropriate tools. It is important to achieve the correct torque to ensure a leak-proof seal without over-tightening, which could damage the plug or the port.

Common Issues and Troubleshooting

Threaded plugs, including the Cummins 4349919, may encounter issues such as leaks or corrosion over time. These problems can often be addressed through regular inspections and maintenance. If a leak is detected, the plug may need to be replaced or resealed. Corrosion can be mitigated through the use of compatible thread sealants and regular cleaning of the plug and port.

Maintenance Tips

To prolong the lifespan of the Cummins 4349919 Threaded Plug and ensure continued optimal performance, regular maintenance checks are recommended. This includes inspecting the plug for signs of wear or damage, ensuring it is securely fitted, and cleaning the port and plug to prevent corrosion. Following these practices can help maintain the integrity of the truck’s systems and contribute to its overall efficiency.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. Their product range includes components and systems designed to enhance the performance, efficiency, and reliability of commercial vehicles ².

Threaded Plug 4349919 Compatibility with Cummins Engines

The Threaded Plug 4349919, manufactured by Cummins, is designed to fit seamlessly with the following engines:

• QSK95 CM2350 K111
• QSK95 CM2350 K113

This part is engineered to ensure compatibility and optimal performance across these engine models. Its design allows for a secure fit, providing essential sealing and protection for the engine’s internal components. The threaded plug is a critical element in maintaining the integrity of the engine’s structure, ensuring that it operates efficiently and reliably.

By using the Threaded Plug 4349919, technicians and engineers can be confident in the part’s ability to integrate smoothly with the specified Cummins engines, facilitating ease of maintenance and repair.

Role of Part 4349919 Threaded Plug in Engine Systems

The 4349919 Threaded Plug is an essential component in various engine systems, particularly within the lubricating oil pump and its associated kits.

In the Lubricating Oil Pump, the threaded plug is utilized to seal specific passages or openings. This ensures that the oil flow is directed correctly through the pump, maintaining the efficiency and reliability of the lubrication system. By sealing off unused or unnecessary pathways, the plug helps in optimizing the oil pressure and flow, which is vital for the proper functioning of the engine’s moving parts.

When considering the Lubricating Oil Pump Kit, the inclusion of the 4349919 Threaded Plug is significant. This kit typically comprises various components required to repair or overhaul the oil pump. The threaded plug, as part of this kit, ensures that the pump is correctly assembled and that all potential leak points are sealed. This is particularly important during maintenance or repair procedures, where ensuring a leak-free system is paramount to the engine’s performance and longevity.

In the context of a Service Kit, the 4349919 Threaded Plug plays a supportive yet important role. Service kits are designed to provide all necessary components for routine maintenance or major overhauls. The threaded plug, included in these kits, aids in the reassembly process by ensuring that all passages within the oil pump are correctly sealed. This prevents oil leaks and maintains the integrity of the lubrication system, which is essential for the engine’s overall health and efficiency.

Conclusion

The Cummins 4349919 Threaded Plug is a vital component in the maintenance and efficiency of commercial trucks. Its role in sealing ports within the engine and other systems ensures optimal performance and longevity of the vehicle. Regular maintenance and proper installation are key to maximizing the benefits of this part, contributing to the overall reliability and efficiency of the truck.