3066325
Threaded Plug
Cummins®

The Threaded Plug 3066325, manufactured by Cummins, is a component designed to serve specific functions within the operation of commercial trucks. Cummins, a well-established name in the industry, produces this plug to ensure reliable performance and durability in demanding environments. This overview will explore the purpose and role of the Threaded Plug 3066325 in truck operations.

Basic Concepts of Threaded Plugs

A threaded plug is a fastener used to seal openings in various components. It functions by creating a secure, leak-proof seal when screwed into place. In automotive and industrial settings, threaded plugs are commonly employed to protect against the ingress of contaminants, prevent fluid leaks, and maintain system integrity. They are versatile and find applications in a wide range of equipment and machinery ¹.

Purpose of the 3066325 Threaded Plug

The 3066325 Threaded Plug plays a role in the operation of a truck by sealing and protecting various components. It is specifically designed to fit into pre-tapped holes, providing a barrier against external elements and internal fluid leakage. This plug helps maintain the integrity of the truck’s systems by ensuring that sensitive areas remain sealed and protected from contaminants and moisture ³.

Key Features

The 3066325 Threaded Plug is characterized by several key features that enhance its performance and durability. It is made from high-quality materials, typically metals that offer resistance to corrosion and wear. The plug features a specific thread type that ensures a secure fit in the corresponding holes. Its design specifications are tailored to meet the rigorous demands of commercial truck applications, ensuring longevity and reliability ².

Benefits

Using the 3066325 Threaded Plug offers several advantages. It provides improved sealing efficiency, which is vital for maintaining the integrity of the truck’s systems. The plug’s resistance to corrosion ensures it remains effective even in harsh operating conditions. Additionally, its design allows for ease of installation, reducing downtime during maintenance procedures ⁴.

Installation Process

Proper installation of the 3066325 Threaded Plug involves a few key steps. First, ensure the hole is clean and free of debris. Using the appropriate tools, screw the plug into the hole until it is snug. It is important to avoid over-tightening, which could damage the plug or the surrounding material. Following these best practices will ensure a secure fit and optimal performance ⁴.

Common Applications

The 3066325 Threaded Plug is typically used in various critical areas within a truck’s system. Common applications include engine blocks, transmission housings, and other components where sealing and protection are necessary. Its versatility makes it a valuable component in maintaining the overall functionality of the truck ³.

Troubleshooting and Maintenance

When dealing with threaded plugs, common issues such as leaks or loose fittings may arise. To troubleshoot these problems, first, ensure the plug is properly installed and not damaged. Regular maintenance, such as checking for signs of wear or corrosion, can help prolong the lifespan of the plug. Addressing issues promptly will help maintain the efficiency and reliability of the truck’s systems ⁴.

Cummins Overview

Cummins Inc. is a prominent manufacturer in the commercial truck industry, known for its extensive product range and strong reputation. With a history of innovation and quality, Cummins provides components that are designed to meet the high standards required in commercial trucking. Their commitment to excellence is reflected in the performance and reliability of their products, including the 3066325 Threaded Plug ⁴.

Threaded Plug 3066325 Compatibility with Cummins Engines

The Threaded Plug 3066325, manufactured by Cummins, is a versatile component designed to fit a variety of Cummins engine models. This plug is integral in sealing and protecting various engine components, ensuring optimal performance and longevity.

K19 Series

The K19 series engines, including the K19, QSK19 CM2350 K105, QSK19 CM2350 K114, QSK19 CM2350 K144G, and QSK19 CM500, are equipped with the Threaded Plug 3066325. This plug is essential in maintaining the integrity of the engine’s cooling system and other fluid pathways.

N14 Series

For the N14 series engines, such as the N14 CELECT, N14 CELECT PLUS, and N14 MECHANICAL, the Threaded Plug 3066325 is used to secure and seal critical engine components. This ensures that the engine operates efficiently and prevents any leaks that could compromise performance.

QSK19G Series

The QSK19G engine also utilizes the Threaded Plug 3066325. This plug is crucial in maintaining the engine’s fluid pathways and ensuring that all components are properly sealed.

QSK45 Series

The QSK45 CM500 engine incorporates the Threaded Plug 3066325 to secure and seal various engine components, ensuring optimal performance and reliability.

G855 and NH/NT 855 Series

The G855 and NH/NT 855 engines are designed to use the Threaded Plug 3066325. This plug is essential in maintaining the engine’s cooling system and other fluid pathways, ensuring that the engine operates efficiently.

V903 and VTA903 Series

The V903 and VTA903 CM2250 V105 engines also feature the Threaded Plug 3066325. This plug is used to secure and seal critical engine components, ensuring that the engine operates efficiently and reliably.

KTA19 Series

The KTA19GC and KTA19GC CM558 engines utilize the Threaded Plug 3066325 to maintain the integrity of the engine’s cooling system and other fluid pathways.

QSK19 CM850 MCRS

The QSK19 CM850 MCRS engine is designed to use the Threaded Plug 3066325, ensuring that the engine’s components are properly sealed and protected.

By using the Threaded Plug 3066325, Cummins ensures that these engines maintain their performance and reliability, providing a secure and efficient sealing solution for various engine components.

Role of Part 3066325 Threaded Plug in Engine Systems

The part 3066325 Threaded Plug is integral to the functionality and maintenance of various engine systems. It is commonly used to seal openings, prevent leaks, and ensure the integrity of fluid pathways within the engine. Here’s how it interfaces with several key components:

Accessory Systems

• Accessory (Top Level Assembly) Drive and Accessory Drive: The threaded plug is often used to seal ports or openings in these drives, ensuring that no fluid or air escapes, which could affect the performance of accessories driven by the engine.
• Accessory Drive Housing and Accessory Drive Support: In these components, the threaded plug helps maintain pressure and prevent contamination by sealing off unused passages or ports.

Air and Compressor Systems

• Air Compressor and Air Transfer Plumbing Connection: These systems rely on the threaded plug to seal connections and prevent air leaks, ensuring efficient compression and transfer of air throughout the system.
• Compressor Air: Within the compressor air system, the plug is used to seal off sections that are not in use, maintaining system efficiency and preventing air loss.

Structural and Plumbing Components

• Base Parts, Cylinder Block, and Cylinder Block Mounting: The threaded plug is employed to seal openings in these structural components, preventing fluid leaks that could compromise engine integrity.
• Cylinder Block Plumbing: It ensures that fluid pathways within the cylinder block are sealed properly, maintaining the correct flow of coolant or lubricants.

Drive and Gear Systems

• EBM: Drive, Front Gear Cover, and Gear Top Level Assembly Cover: These components often have passages that need to be sealed to prevent fluid or debris ingress. The threaded plug is used to achieve this seal.
• Front Gear Train Accessory Drive: Ensures that the gear train operates in a clean environment free from contaminants.

Fuel and Lubrication Systems

• Fuel Pump and Fuel Control: The threaded plug is used to seal fuel lines or passages, ensuring that fuel delivery remains consistent and free from leaks.
• Fuel Pump Drive: Seals off unnecessary openings in the fuel pump drive mechanism, maintaining efficient fuel delivery.
• Engine Oil Cooler: Ensures that the oil cooler system remains sealed, preventing oil leaks and maintaining efficient cooling of engine oil.

Other Key Components

• Fan Drive and Fan Hub: Used to seal openings in the fan drive and hub, ensuring that the cooling system operates efficiently without air leaks.
• Injector and Injector Plumbing: Seals off injector ports and plumbing connections, ensuring precise fuel delivery and preventing leaks.
• PDC (Power Distribution Center) and Short Block: Seals various openings within these components to maintain system integrity and prevent fluid loss.

The threaded plug, part 3066325, plays a versatile role across these engine systems, ensuring that each component operates efficiently and reliably.

Conclusion

The 3066325 Threaded Plug by Cummins is a critical component in the maintenance and operation of commercial trucks. Its role in sealing and protecting various engine components ensures the integrity and efficiency of the truck’s systems. With its high-quality materials, secure fit, and ease of installation, this Cummins part is essential for maintaining the performance and reliability of commercial trucks.