4992508
Threaded Plug
Cummins®

Introduction

The Cummins Threaded Plug 4992508 is a component designed for specific applications within commercial trucks. Its primary purpose is to seal openings in various systems, ensuring the integrity and efficiency of the truck’s operations. This plug is integral to maintaining system pressure, preventing leaks, and protecting internal components from contaminants ¹.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal threaded openings in systems. They function by creating a tight seal that prevents fluid or gas leakage and keeps out debris. These plugs are commonly constructed from materials such as brass, steel, or aluminum, chosen for their durability and resistance to corrosion. Standard threading types include NPT (National Pipe Thread) and BSP (British Standard Pipe), which ensure compatibility with a wide range of fittings and systems ².

Role of the 4992508 Threaded Plug in Truck Operation

The 4992508 Threaded Plug plays a specific role in the operation of a truck by sealing openings in critical systems such as the fuel system, hydraulic systems, or engine compartments. Its placement is strategic, often in areas where system integrity is paramount. By sealing these openings, the plug contributes to maintaining system pressure, ensuring efficient operation, and protecting sensitive components from damage due to leaks or contamination ³.

Key Features

The 4992508 Threaded Plug is characterized by its robust design and high-quality material composition, typically made from durable metals to withstand the harsh conditions of commercial truck environments. It features precise threading specifications that ensure a secure fit and effective seal. Unique attributes may include anti-corrosion coatings or specialized designs that enhance its performance and durability in demanding applications.

Benefits

Utilizing the 4992508 Threaded Plug offers several benefits, including improved system integrity through reliable sealing, enhanced performance by maintaining system pressure, and increased durability due to its high-quality construction. Additionally, its design contributes to cost-effectiveness in maintenance and operation by reducing the need for frequent replacements and minimizing the risk of system failures.

Troubleshooting and Maintenance

Common issues with threaded plugs may include leakage, corrosion, or damage from wear and tear. Troubleshooting these issues involves inspecting the plug for signs of wear, ensuring proper seating, and checking for thread damage. Maintenance practices to ensure the longevity and reliable operation of the 4992508 Threaded Plug include regular inspection, proper installation techniques, and timely replacement when signs of wear or damage are detected. Best practices for installation involve using the correct torque specifications to avoid over-tightening, which can lead to thread damage, or under-tightening, which may result in leaks.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established itself as a trusted name in the automotive industry, known for its commitment to quality, innovation, and customer satisfaction. The company’s expertise in engine technology and related components underscores its position as a leader in providing reliable and efficient power solutions for commercial and industrial applications.

Compatibility with Cummins Engines

The Threaded Plug 4992508, manufactured by Cummins, is designed to fit a variety of Cummins engines. This plug is essential for sealing and securing various components within the engine, ensuring optimal performance and preventing leaks. Below is a detailed breakdown of the engines with which this part is compatible:

Compatible Engines

• 4B3.9
• 6B5.9
• 6C8.3
• B3.9 G
• B4.5
• B5.6 CM2670 B152B
• B5.9 CM2670 B166C
• B5.9 G
• B5.9 GAS PLUS CM556
• B6.7 CM2670 B153B
• C GAS PLUS CM556
• C8.3 G
• G5.9
• G5.9 CM558
• G8.3
• G8.3 CM558
• GTA8.3 CM558
• ISB CM2150
• ISB CM550
• ISB CM850
• ISB/ISD6.7 CM2150 SN
• ISB3.9 CM2220 B107
• ISB5.9 CM2880 B110
• ISB5.9 CM2880 B127
• ISB5.9 CM2880 B140

Grouping of Compatible Engines

• 4B and 6B Series:

  • 4B3.9
  • 6B5.9

• 6C and C Series:

  • 6C8.3
  • C GAS PLUS CM556

• B Series:

  • B3.9 G
  • B4.5
  • B5.6 CM2670 B152B
  • B5.9 CM2670 B166C
  • B5.9 G
  • B5.9 GAS PLUS CM556
  • B6.7 CM2670 B153B
  • C8.3 G

• G Series:

  • G5.9
  • G5.9 CM558
  • G8.3
  • G8.3 CM558
  • GTA8.3 CM558

• ISB Series:

  • ISB CM2150
  • ISB CM550
  • ISB CM850
  • ISB/ISD6.7 CM2150 SN
  • ISB3.9 CM2220 B107
  • ISB5.9 CM2880 B110
  • ISB5.9 CM2880 B127
  • ISB5.9 CM2880 B140

This comprehensive compatibility ensures that the Threaded Plug 4992508 can be used across a wide range of Cummins engines, providing a reliable and secure fit for various applications.

Role of Part 4992508 Threaded Plug in Engine Systems

The 4992508 Threaded Plug is an essential component in various engine systems, contributing to the overall functionality and efficiency of the engine. Its primary role is to seal and secure different parts within the engine, ensuring that fluids and gases remain contained within their designated pathways.

In the Oil Pan system, the 4992508 Threaded Plug is used to seal openings where oil may escape. This ensures that the oil level remains consistent, providing adequate lubrication to moving parts and reducing wear and tear.

When dealing with an Oil Pan Kit, this threaded plug often comes as part of the assembly to ensure a complete and secure seal upon installation. It plays a significant role in maintaining the integrity of the oil pan, preventing leaks that could lead to oil loss and subsequent engine damage.

In the context of Oil Pan Mounting, the 4992508 Threaded Plug helps in securing the oil pan to the engine block. This is vital for maintaining the structural stability of the oil pan and ensuring that it remains in the correct position during engine operation.

For the Pan itself, whether it is a standard pan or a specialized one, the threaded plug is used to seal any unnecessary openings, ensuring that the pan functions as intended without any fluid leaks.

In an Upper Engine Gasket Kit, the 4992508 Threaded Plug may be utilized to seal specific areas where gaskets alone cannot provide a complete seal. This is particularly important in areas where high pressure or temperature variations occur, ensuring that the upper engine components remain sealed and operate efficiently.

Overall, the 4992508 Threaded Plug is a versatile component that enhances the reliability and performance of various engine systems by providing necessary seals and security in critical areas.

Conclusion

The Cummins Threaded Plug 4992508 is a critical component in maintaining the efficiency and reliability of commercial truck engines. Its role in sealing critical systems, preventing leaks, and protecting internal components is essential for the optimal operation of these vehicles. The robust design and high-quality materials of this part ensure durability and performance in demanding environments. Regular maintenance and proper installation practices are key to maximizing the benefits of the 4992508 Threaded Plug, contributing to the overall longevity and efficiency of the engine systems it serves.