3046202
Threaded Plug
Cummins®

Introduction

The Cummins 3046202 Threaded Plug is a component designed for use in commercial truck operations. It serves a specific purpose within the truck’s system, contributing to the overall efficiency and reliability of the vehicle. Understanding its function and role is important for maintaining the truck’s performance and longevity.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal openings in various systems. They consist of a threaded section that screws into a corresponding threaded hole, creating a secure seal. In automotive and industrial settings, threaded plugs are employed to prevent fluid leaks, protect against contaminants, and maintain system integrity. Their design allows for easy installation and removal, making them versatile for a range of applications ¹.

Purpose of the Cummins 3046202 Threaded Plug

The Cummins 3046202 Threaded Plug plays a role in sealing and protecting various components within a truck’s system. It is specifically designed to fit into designated openings, ensuring that fluids and gases remain contained within their respective systems. This plug helps maintain the pressure and integrity of the system it is installed in, contributing to the truck’s overall performance.

Key Features

The Cummins 3046202 Threaded Plug is characterized by several key features that enhance its performance and durability. It is made from high-quality materials that resist corrosion and wear, ensuring longevity in harsh operating conditions. The plug features a specific thread type that ensures a secure fit, and its design specifications are tailored to meet the demands of commercial truck applications.

Benefits

Using the Cummins 3046202 Threaded Plug offers several benefits. Its design contributes to improved sealing efficiency, reducing the risk of leaks and maintaining system pressure. The plug’s resistance to corrosion ensures it can withstand exposure to various elements, prolonging its lifespan. Additionally, its durable construction allows it to perform reliably in demanding environments, supporting the truck’s operational efficiency ².

Installation Process

Proper installation of the Cummins 3046202 Threaded Plug is important to ensure a secure fit and optimal performance. The process involves cleaning the threaded hole, applying a suitable sealant if required, and screwing the plug into place using the appropriate tools. Care should be taken to avoid over-tightening, which could damage the threads or the plug itself. Following the manufacturer’s guidelines for installation ensures the plug functions as intended.

Common Applications

The Cummins 3046202 Threaded Plug finds applications in various components of commercial trucks. It is commonly used in engine blocks to seal openings, in transmission systems to prevent fluid leaks, and in hydraulic components to maintain system integrity. Its versatility makes it a valuable part for ensuring the reliable operation of these critical truck systems.

Troubleshooting and Maintenance

Identifying common issues with threaded plugs, such as leaks or damage, is important for maintaining the truck’s performance. Regular inspections can help detect problems early, allowing for timely replacements or repairs. Maintenance practices, such as cleaning the plug and its surrounding area, can prolong its lifespan and ensure it continues to provide an effective seal ³.

Safety Considerations

When handling and installing the Cummins 3046202 Threaded Plug, observing safety guidelines is important. This includes wearing appropriate personal protective equipment, ensuring the work area is clean and free from hazards, and following the manufacturer’s instructions for installation. These precautions help prevent accidents and ensure the plug functions correctly within the truck’s system.

Cummins Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for producing high-quality components. With a history of innovation and commitment to excellence, Cummins has built a reputation for reliability and performance. The company’s components, including the Cummins 3046202 Threaded Plug, are designed to meet the demanding requirements of commercial truck operations, contributing to the industry’s standards for quality and durability.

Compatibility with Cummins Engines

The threaded plug part number 3046202, manufactured by Cummins, is designed to fit a variety of Cummins engines. This plug is a crucial component in ensuring the integrity of the engine’s systems by providing a secure seal in threaded connections. Here is a detailed look at the engines with which this part is compatible:

ISB Series Engines

• ISB CM2150
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISB6.7 G CM2180 B118

The ISB series engines, known for their robust performance and reliability, utilize the 3046202 threaded plug in various applications. This part is integral to maintaining the sealing integrity of the engine’s coolant and oil systems.

ISBE Series Engines

• ISBE CM2150
• ISBE CM800
• ISBE4 CM850

The ISBE series engines, which are designed for heavy-duty applications, also incorporate the 3046202 threaded plug. This ensures that the engine’s critical systems remain sealed and protected from leaks.

ISC Series Engines

• ISC CM2150
• ISC CM554
• ISC CM850
• ISC8.3 CM2250

The ISC series engines, which are known for their versatility and efficiency, also use the 3046202 threaded plug. This part is essential for maintaining the engine’s operational integrity by ensuring that threaded connections are properly sealed.

ISL Series Engines

• ISL CM2150
• ISL CM554
• ISL G CM2180
• ISL9 CM2150 SN

The ISL series engines, which are designed for a range of applications from construction to transportation, also rely on the 3046202 threaded plug. This ensures that the engine’s threaded connections remain secure and leak-free.

Other Cummins Engines

• 6B5.9
• 6C8.3
• B6.7 CM2670 B153B
• B6.7 CM2670 B164C
• C GAS PLUS CM556
• C8.3 G
• G855
• G855 CM558
• GTA38 G CMEICS G116C
• GTA855 CM558 (CM2358) G101

These engines, which span a range of applications and performance levels, also incorporate the 3046202 threaded plug. This part is essential for maintaining the sealing integrity of these engines, ensuring that they operate efficiently and reliably.

Role of Part 3046202 Threaded Plug in Engine Systems

The threaded plug, specifically part 3046202, serves a variety of roles across different engine systems, ensuring the integrity and efficiency of these components.

In the cylinder block and engine block, the threaded plug is used to seal off unused passages or ports, preventing coolant or oil leaks and maintaining the structural integrity of the block.

For the lubricating oil filter (top-level assembly head), the threaded plug is essential in sealing the filter housing when the filter element is removed for service, ensuring no oil escapes during maintenance.

In the oil pan and oil fill arrangement, the threaded plug is utilized to seal openings that are not in use, maintaining the correct oil level and preventing contamination.

The oil gauge and filler bracket often incorporates threaded plugs to seal off any unnecessary openings, ensuring accurate oil level readings and preventing leaks from the gauge housing.

In the thermostat housing arrangement, threaded plugs are used to seal off coolant passages that are not required for the specific engine configuration, ensuring efficient coolant flow and temperature regulation.

For the fuel transfer pump and fuel plumbing, threaded plugs are employed to seal off fuel lines or ports that are not in use, preventing fuel leaks and ensuring system integrity.

In the clutch manifold and housing, threaded plugs seal off hydraulic lines or ports, maintaining pressure and preventing fluid leaks.

The front engine mounting and front engine support may use threaded plugs to seal off any cavities or passages within the mounting brackets, ensuring no fluid ingress and maintaining structural stability.

In the radiator plumbing and vent hose, threaded plugs are used to seal off coolant passages or air vents that are not required, ensuring efficient cooling system operation.

For the transmission accessory drive, threaded plugs seal off any unnecessary passages within the accessory housing, preventing fluid leaks and ensuring smooth operation.

In the rocker lever and short block configurations, threaded plugs are used to seal off oil passages or mounting points that are not utilized, maintaining oil pressure and structural integrity.

Finally, in the railcar installation package and block vent plumbing, threaded plugs are essential for sealing off any unused passages, ensuring the system remains leak-free and operates efficiently during transportation and installation.

Conclusion

The Cummins 3046202 Threaded Plug is a vital component in the maintenance and operation of commercial trucks. Its role in sealing and protecting various engine systems ensures the truck’s efficiency, reliability, and longevity. Proper installation, regular maintenance, and adherence to safety guidelines are essential for maximizing the benefits of this part.