4331268
Threaded Plug
Cummins®

The Cummins Threaded Plug 4331268 is a component designed for use in commercial truck operations. Its primary role is to provide sealing and pressure management within various truck systems, contributing to the overall integrity and efficiency of these systems.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal openings in automotive systems. They function by being screwed into place, creating a secure seal that prevents fluid or gas leakage. These plugs are commonly used in various applications, including engine blocks, transmission housings, and fluid reservoirs, to maintain system pressure and prevent contaminants from entering ¹.

Purpose of the Cummins Threaded Plug 4331268

The Cummins Threaded Plug 4331268 serves specific roles in truck operations. It is designed to seal openings in critical components, manage internal pressures, and maintain system integrity. By ensuring a tight seal, it helps prevent leaks that could lead to system failures or inefficiencies. Additionally, it plays a part in maintaining the structural integrity of the components it is installed in, which is vital for the longevity and performance of the truck ².

Key Features

The Cummins Threaded Plug 4331268 is characterized by several key features that enhance its functionality. It is made from durable materials that can withstand the harsh conditions found in commercial truck environments. The plug features a specific thread type that ensures a secure fit, and its design specifications are tailored to meet the demands of high-pressure systems. These features contribute to its reliability and effectiveness in sealing applications.

Benefits

Using the Cummins Threaded Plug 4331268 offers several advantages. Its durable construction ensures long-term performance, reducing the need for frequent replacements. The plug’s reliable sealing capability helps maintain system efficiency and prevents leaks. Additionally, its design allows for easy installation, minimizing downtime during maintenance procedures.

Installation Process

Proper installation of the Cummins Threaded Plug 4331268 is crucial for ensuring optimal performance and longevity. The process involves cleaning the installation site to remove any debris or old sealant. The plug should then be screwed into place using the appropriate torque specifications to ensure a secure fit without over-tightening, which could damage the threads or the component itself.

Common Applications

The Cummins Threaded Plug 4331268 is typically used in various commercial truck systems. Common applications include sealing openings in engine blocks, transmission housings, and fluid reservoirs. Its versatility and reliability make it a preferred choice for these critical sealing tasks.

Troubleshooting and Maintenance

Identifying common issues with threaded plugs, such as leaks or loose fittings, is important for maintaining system integrity. Regular inspections can help detect these issues early. Maintenance practices, such as cleaning the installation site and ensuring the plug is properly torqued, can prolong the life of the plug. When signs of wear or damage are present, considering replacement is advisable to prevent system failures.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its wide range of products and strong reputation for quality and reliability. The company has a long history of innovation and commitment to meeting the needs of its customers, making it a trusted name in the industry.

Threaded Plug 4331268 Compatibility with Cummins Engines

The Threaded Plug 4331268, manufactured by Cummins, is a versatile component designed to fit a range of Cummins engines. This plug is essential for sealing and securing various parts within the engine system, ensuring optimal performance and reliability.

ISX Series

• ISX CM570
• ISX CM870
• ISX CM871
• ISX12 CM2350 X102
• ISX12 G CM2180 EJ
• ISX12/ISX11.9 CM2250
• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101

The ISX series engines benefit from the Threaded Plug 4331268 in various applications, including securing oil and coolant passages, ensuring that these critical fluids remain within the engine system.

QSX Series

• QSX11.9 CM2250 ECF
• QSX15 CM2250
• QSX15 CM2250 ECF
• QSX15 CM2350 X105

Similar to the ISX series, the QSX engines utilize the Threaded Plug 4331268 to maintain the integrity of fluid pathways, contributing to the overall efficiency and longevity of the engine.

Other Models

• QSZ13 CM2150 Z102
• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2450 X134B

These models also incorporate the Threaded Plug 4331268 in their design, ensuring that the engine’s fluid systems are properly sealed and maintained. This plug is critical in preventing leaks and ensuring that the engine operates at peak performance.

Role of Part 4331268 Threaded Plug in Engine Systems

The part 4331268 Threaded Plug is an essential component in various engine systems, particularly those involving the oil management subsystem. Its primary function is to seal and secure openings within the oil pan and related assemblies, ensuring the integrity of the oil system is maintained.

Oil Pan

In the oil pan, the 4331268 Threaded Plug is used to seal openings that may be present for manufacturing or maintenance purposes. This ensures that the oil pan remains a closed system, preventing oil leaks and maintaining the necessary oil pressure for engine lubrication.

Oil Top Level Assembly Pan

For the oil top level assembly pan, the threaded plug serves a similar purpose. It is installed in designated ports to ensure that the assembly is sealed correctly. This is important for maintaining the structural integrity of the assembly and preventing any oil from escaping, which could lead to insufficient lubrication and potential engine damage.

General Pan Applications

Across various pan applications within the engine, the 4331268 Threaded Plug is utilized to seal any threaded openings. This includes scenarios where pans may have inspection ports, drain plugs, or other access points that need to be securely closed after use. The plug’s design ensures a tight fit, which is vital for the overall performance and reliability of the engine’s oil system.

Oil System Integrity

Overall, the 4331268 Threaded Plug plays a significant role in maintaining the integrity of the oil system. By ensuring that all openings are properly sealed, it helps in preserving the correct oil levels and pressure, which are essential for the efficient operation of the engine. This component is a small yet vital part of the larger oil management system, contributing to the engine’s overall performance and longevity.

Conclusion

The Cummins Threaded Plug 4331268 is a critical component in maintaining the integrity and efficiency of commercial truck systems. Its durable construction, reliable sealing capability, and ease of installation make it a valuable asset in various engine applications. Proper installation and maintenance practices are essential to ensure the longevity and performance of this part.