3081668
Retainer Plug
Cummins®

Introduction

The Cummins Retainer Plug 3081668 is a specialized component designed for use in heavy-duty trucks. Its primary role is to ensure the integrity of the engine or transmission system by sealing and retaining critical components. This part is integral to maintaining the operational efficiency and reliability of heavy-duty vehicles, particularly in demanding environments where durability and performance are paramount.

Purpose and Function

The Retainer Plug 3081668 serves a vital role in the truck’s system by sealing and retaining components within the engine or transmission. It prevents the escape of fluids and contaminants, thereby maintaining system pressure and ensuring that components remain in their designated positions. This function is essential for the overall performance and longevity of the engine or transmission system ¹.

Key Features

The Cummins Retainer Plug 3081668 is engineered with specific design and material characteristics to enhance its performance. Constructed from high-quality materials, it offers exceptional durability and resistance to wear and corrosion. Its design ensures a secure fit, minimizing the risk of leaks and component displacement. Unique attributes such as precision machining and robust construction contribute to its reliability and effectiveness in heavy-duty applications ².

Benefits

Utilizing the Cummins Retainer Plug 3081668 provides several advantages. It enhances system integrity by effectively sealing and retaining components, which helps in maintaining optimal system pressure and performance. The plug reduces the risk of leaks, which can lead to system failures and increased maintenance costs. Additionally, its durable construction ensures long-term reliability, contributing to the overall performance and efficiency of the truck ³.

Installation Process

Proper installation of the Cummins Retainer Plug 3081668 is essential for its effective function. The process involves several steps to ensure a secure fit. First, the area where the plug will be installed should be cleaned and inspected for any debris or damage. Using the appropriate tools, the plug is then inserted into the designated port. It is important to follow manufacturer guidelines to ensure the plug is seated correctly and securely. Regular torque specifications should be adhered to for optimal performance.

Maintenance and Troubleshooting

Regular maintenance of the Cummins Retainer Plug 3081668 is necessary to ensure its continued effectiveness. This includes periodic inspections for signs of wear, damage, or leaks. Any detected issues should be addressed promptly to prevent further complications. Common troubleshooting steps involve checking for proper seating, ensuring there is no debris around the plug, and verifying that all connections are secure. Following these guidelines helps maintain the plug’s performance and extends its service life.

Common Applications

The Cummins Retainer Plug 3081668 is typically used in various heavy-duty truck applications. It is compatible with specific models of trucks and engines, ensuring it meets the demanding requirements of these environments. Its application spans across different makes and models, providing a reliable solution for sealing and retaining components in engine and transmission systems.

Manufacturer Information

Cummins Inc. is a renowned manufacturer with a strong reputation in the automotive and heavy-duty truck industry. The company has a history of producing high-quality components that meet the rigorous demands of heavy-duty applications. Cummins is committed to innovation and excellence, ensuring that their products, including the Retainer Plug 3081668, deliver reliable performance and durability.

Compatibility with Cummins Engines

The Retainer Plug 3081668, manufactured by Cummins, is a crucial component designed to fit a variety of Cummins engines. Below is a detailed overview of its compatibility with the specified engines:

K19 Series

• K19
• KTA19GC
• KTA19GC CM558

The Retainer Plug 3081668 is compatible with the K19 series engines, including the K19, KTA19GC, and KTA19GC CM558. This plug is essential for maintaining the integrity of the engine’s internal components by securely holding certain parts in place.

QSK19 Series

• QSK19 CM2350 K105
• QSK19 CM2350 K114
• QSK19 CM2350 K144G
• QSK19 CM500
• QSK19 CM850 MCRS
• QSK19G

The Retainer Plug 3081668 is also designed to fit within the QSK19 series engines. This includes the QSK19 CM2350 K105, QSK19 CM2350 K114, QSK19 CM2350 K144G, QSK19 CM500, QSK19 CM850 MCRS, and QSK19G. This plug ensures that the engine’s components remain properly secured, contributing to the overall reliability and performance of the engine.

By ensuring that the Retainer Plug 3081668 is correctly installed, engine operators can maintain the operational efficiency and longevity of their Cummins engines.

Role of Retainer Plug 3081668 in Engine Systems

The Retainer Plug 3081668 is an essential component in various engine systems, ensuring the integrity and efficiency of several critical assemblies.

In the Lubricating Oil Pump system, the Retainer Plug secures the pump’s internal components, preventing any displacement that could lead to inefficient oil circulation. This ensures consistent lubrication across engine parts, reducing wear and enhancing performance.

When integrated into the Lubricating Oil Pump Cover, the Retainer Plug helps maintain the structural integrity of the cover, safeguarding the pump’s internal mechanisms from external contaminants and ensuring a sealed environment for optimal operation.

Within the broader category of Parts and Base assemblies, the Retainer Plug plays a role in stabilizing various components, ensuring they remain in their designated positions during engine operation. This stability is vital for the reliable function of the engine’s moving parts.

In the context of the Pump itself, the Retainer Plug assists in maintaining the alignment and secure fitting of pump components, which is essential for the pump’s ability to deliver lubricant effectively throughout the engine.

For the Lubricating Oil system as a whole, the Retainer Plug contributes to maintaining the precise flow and pressure of oil, which is fundamental for the engine’s longevity and performance.

In the Service Coupling 2008 Assembly and Service Coupling 2009 Assembly, the Retainer Plug ensures that connections remain tight and secure, preventing leaks and ensuring that service operations can be performed efficiently and safely.

Finally, in the Short Block Kit, the Retainer Plug is used to secure various components within the engine block, ensuring that all parts function together harmoniously. This is particularly important in maintaining the engine’s balance and reducing the risk of mechanical failure.

Overall, the Retainer Plug 3081668 is a versatile component that enhances the reliability and performance of multiple engine systems by ensuring that critical parts remain in place and function as intended.

Conclusion

The Cummins Retainer Plug 3081668 is a critical component for maintaining the integrity and efficiency of heavy-duty truck engines. Its role in sealing and retaining components, preventing leaks, and ensuring optimal system pressure is essential for the reliable operation of these vehicles. Proper installation, regular maintenance, and understanding its compatibility with various Cummins engines are key to maximizing the benefits of this part.