3019961
Plug Nut
Cummins®

The 3019961 Plug Nut, manufactured by Cummins, is a component used in the maintenance and operation of commercial trucks. Cummins, a well-established name in the industry, produces a range of parts designed to enhance the efficiency and reliability of truck systems. This Cummins part plays a role in ensuring the proper functioning of various truck components.

Basic Concepts of a Plug Nut

A plug nut is a type of fastener used to seal and secure connections in mechanical systems. It typically consists of a threaded nut that screws onto a corresponding male thread, creating a tight seal. In the context of a truck’s components, plug nuts are often used to seal fluid lines, electrical connections, and other critical points where a secure and leak-proof connection is necessary ¹.

Purpose of the 3019961 Plug Nut in Truck Operation

The 3019961 is specifically designed to seal and secure connections within a commercial truck’s system. Its primary function is to prevent leaks and ensure that connections remain intact under various operating conditions. By providing a reliable seal, the plug nut helps maintain the integrity of fluid lines, electrical systems, and other critical components, contributing to the overall efficiency and safety of the truck ².

Key Features

The 3019961 boasts several key features that enhance its performance and durability. It is constructed from high-quality materials, ensuring resistance to corrosion and wear. The design includes precise threading to facilitate easy installation and a secure fit. Additionally, the plug nut may feature unique attributes such as a gasket or O-ring to improve sealing efficiency.

Benefits of Using the 3019961 Plug Nut

Using the 3019961 offers several advantages. Its high-quality material composition and precise design contribute to improved sealing efficiency, reducing the risk of leaks. The durability of the plug nut ensures long-lasting performance, even under demanding conditions. Furthermore, the ease of installation makes it a convenient choice for maintenance and repair tasks.

Installation Process

Installing the 3019961 requires careful attention to detail to ensure a secure fit. Begin by cleaning the connection point to remove any debris or contaminants. Using the appropriate tools, screw the plug nut onto the male thread until it reaches the desired tightness. It is important to avoid over-tightening, as this can damage the threads or the seal. Following these steps will help achieve a proper installation.

Troubleshooting Common Issues

Common issues associated with plug nuts include leaks and loose connections. If a leak is detected, inspect the plug nut for signs of damage or wear. Ensure that it is properly installed and tightened to the recommended torque specifications. For loose connections, verify that the plug nut is securely fastened and consider reapplying thread sealant if necessary. Addressing these issues promptly can help maintain the integrity of the truck’s systems.

Maintenance Tips

Regular maintenance of the 3019961 is important to ensure longevity and optimal performance. Inspect the plug nut during routine maintenance checks for signs of wear, corrosion, or damage. Cleaning the connection point and the plug nut itself can help prevent contaminants from affecting the seal. Following these maintenance tips will contribute to the reliable operation of the truck.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its high-quality products and innovative solutions. With a history of providing reliable and efficient components, Cummins has established a strong reputation among truck operators and maintenance professionals. The company’s extensive product range includes engines, transmissions, and a variety of parts designed to enhance truck performance and durability. The 3019961 is a testament to Cummins’ commitment to quality and reliability in the industry ³.

Compatibility of Plug Nut Part 3019961 with Cummins Engines

The 3019961, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral for securing and sealing certain components within the engine system. Here is a detailed look at its compatibility with the listed engines:

K19 Series

• K19
• KTA19GC
• KTA19GC CM558

The 3019961 is compatible with the K19 series engines, including the K19, KTA19GC, and KTA19GC CM558. These engines are known for their robust design and are often used in heavy-duty applications.

QSK19 Series

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

The 3019961 is also compatible with the QSK19 series engines. This includes the QSK19 CM2350 K105, QSK19 CM2350 K114, QSK19 CM2350 K144G, QSK19 CM500, QSK19 CM850 MCRS, and QSK19G. These engines are designed for high-performance and are widely used in various industrial and commercial applications.

Grouping for Compatibility

The 3019961 is versatile and fits seamlessly into both the K19 and QSK19 series engines. This compatibility ensures that the part can be used across different engine models within these series, providing a reliable solution for securing and sealing engine components.

By understanding the compatibility of the 3019961 with these engines, technicians and engineers can ensure proper maintenance and performance of their engine systems.

Role of Part 3019961 Plug Nut in Engine Systems

The 3019961 is an essential component in various engine systems, providing secure fastening and sealing functions across multiple assemblies.

In the base parts and block assemblies, the Plug Nut ensures that components are tightly secured, preventing any unwanted movement or misalignment that could lead to engine inefficiencies or failures.

For the cylinder block and KTTA-19C short block, the Plug Nut plays a significant role in maintaining the integrity of the block by sealing off specific ports or passages, thus ensuring that fluids or gases remain contained within their designated pathways.

In the cover and front gear assemblies, the Plug Nut is utilized to secure covers and gear components, ensuring that these parts remain in place under the high stresses and vibrations typical of engine operation.

The engine mounting and front engine mounting systems benefit from the Plug Nut by providing a robust connection point between the engine and its supporting structure. This is particularly important in the front engine support where dynamic loads are highest.

In the context of the gear cover conversion kit and gear cover plate, the Plug Nut ensures that the gear cover is properly sealed and secured, which is vital for maintaining the lubrication and cleanliness of the internal gear components.

The mounting of the gear cover also relies on the Plug Nut to ensure that all fasteners are properly torqued and sealed, preventing any leaks or looseness that could compromise gear operation.

For the service coupling 2008 assembly and service coupling 2009 assembly, the Plug Nut is used to secure various coupling components, ensuring that the service couplings function correctly and remain sealed during operation.

In the short block kit, the Plug Nut is employed to secure and seal multiple components, contributing to the overall reliability and performance of the engine block.

Lastly, in the support and front engine assemblies, the Plug Nut ensures that all support structures are securely fastened, providing stability and durability to the engine’s front section.

Conclusion

The 3019961 Plug Nut is a critical component in the maintenance and operation of commercial trucks, particularly those equipped with Cummins engines. Its role in securing and sealing various engine components ensures the reliability and efficiency of the truck’s systems. By understanding its features, benefits, and proper installation procedures, technicians and maintenance professionals can ensure the longevity and performance of this essential part.