3056416
Threaded Plug
Cummins®

Introduction

The Cummins Threaded Plug 3056416 is a specialized component designed for use in commercial trucks. Its primary function is to seal openings within the truck’s systems, preventing fluid or air leaks that could compromise the vehicle’s performance and safety. This part is integral to maintaining the integrity of various truck systems, ensuring they operate efficiently and reliably.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal threaded openings in various systems. They function by creating a tight seal that prevents the escape of fluids or gases, which is crucial for maintaining system pressure and preventing contamination. In mechanical systems, threaded plugs are commonly employed in engines, hydraulic systems, and fuel systems to ensure that these systems remain sealed and operate correctly ¹.

Purpose of Cummins Threaded Plug 3056416

The Cummins Threaded Plug 3056416 plays a specific role in the operation of commercial trucks by sealing openings in critical systems. This plug is designed to prevent the leakage of fluids or air, which could lead to system failure or reduced efficiency. By maintaining a secure seal, it helps ensure that the truck’s systems operate under the correct pressure and conditions, contributing to overall vehicle performance and safety ².

Key Features

The Cummins Threaded Plug 3056416 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 long-lasting use in demanding environments. The plug features a precise thread type that allows for a secure fit in the corresponding openings, and its design specifications are tailored to meet the rigorous demands of commercial truck applications.

Benefits

Using the Cummins Threaded Plug 3056416 offers several advantages. It contributes to improved system integrity by providing a reliable seal that prevents leaks. This enhances the safety of the vehicle by ensuring that critical systems operate correctly. Additionally, the plug’s durable construction and precise design help prolong the lifespan of the components it seals, reducing the need for frequent replacements and maintenance ³.

Installation Process

Proper installation of the Cummins Threaded Plug 3056416 is crucial for ensuring optimal performance and sealing. The installation process involves cleaning the threaded opening to remove any debris or old sealant, applying a compatible sealant to the threads if necessary, and then screwing the plug into place until it reaches the specified torque. Careful attention to these steps ensures that the plug creates a secure seal and operates as intended.

Common Applications

The Cummins Threaded Plug 3056416 is commonly used in various truck systems and components, including engine blocks, transmission housings, and hydraulic systems. Its versatility and reliability make it a preferred choice for sealing openings in these critical areas, helping to maintain the efficiency and safety of the truck’s operations.

Troubleshooting and Maintenance

Identifying common issues with threaded plugs, such as leaks or loose fittings, is important for maintaining system integrity. Regular inspections and maintenance can help ensure the longevity of the Cummins Threaded Plug 3056416. If a plug shows signs of wear or damage, it should be replaced promptly to prevent system failure. Proper maintenance practices, including cleaning and inspecting the plug and its fitting, can help extend its service life.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. With a history of innovation and a commitment to quality, Cummins has established a strong reputation in the commercial truck industry. The company’s product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of commercial transportation.

Compatibility with Cummins Engines

The threaded plug 3056416 is compatible with a variety of Cummins engines, ensuring a secure fit and reliable sealing across different engine series.

G855 Series

The threaded plug 3056416 is compatible with the G855 engine, providing a secure fit for its specific threading requirements.

ISC and ISL Series

For the ISC CM554 and ISL CM554 engines, the threaded plug 3056416 is designed to fit seamlessly, ensuring proper sealing and alignment.

ISM Series

The ISM CM570, ISM CM570/870, ISM CM876, ISM11 CM876 SN, ISX CM570, ISX CM870, and ISX CM871 engines all utilize the threaded plug 3056416. This plug is engineered to meet the precise specifications of these engines, ensuring a reliable seal.

K19 Series

The threaded plug 3056416 is also suitable for the K19, KTA19GC, KTA19GC CM558 engines, providing a secure and precise fit.

L10 Series

Both the L10 CELECT and L10 MECHANICAL engines are compatible with the threaded plug 3056416, ensuring proper sealing and functionality.

M11 Series

The M11 CELECT and M11 CELECT PLUS engines are designed to work with the threaded plug 3056416, offering a reliable sealing solution.

N14 Series

The N14 CELECT, N14 CELECT PLUS, and N14 MECHANICAL engines all require the threaded plug 3056416 for proper sealing and alignment.

NH/NT 855

The threaded plug 3056416 is compatible with the NH/NT 855 engine, ensuring a secure and precise fit.

QSC8.3 Series

The QSC8.3 CM554 engine is designed to use the threaded plug 3056416, providing a reliable sealing solution.

QSK19 Series

The QSK19 CM2350 K105, QSK19 CM2350 K114, and QSK19 CM2350 K144G engines all utilize the threaded plug 3056416, ensuring proper sealing and alignment.

Role of Part 3056416 Threaded Plug in Engine Systems

The Part 3056416 Threaded Plug is an essential component in various engine systems, ensuring the integrity and functionality of multiple assemblies. In the Accessory (Top Level Assembly) Drive and Accessory Drive, this threaded plug is utilized to seal openings, preventing fluid leaks and maintaining pressure within the system. Similarly, in the Accessory Drive Housing, it ensures that no contaminants enter the housing, which could otherwise lead to wear and reduced efficiency.

Within the Air Compressor system, the threaded plug plays a role in maintaining the compressor’s internal pressure, directly influencing its performance. The Cam Housing Module benefits from the plug by ensuring that lubricants remain contained, reducing the risk of dry running and subsequent damage to the cam and its followers.

In the Check Valve and Compressor Air systems, the threaded plug is vital for maintaining the directional flow of air or fluids, preventing backflow which could compromise system efficiency. The Cylinder Head and Cylinder Top Level Assembly Head utilize the plug to seal off coolant or oil passages, ensuring these fluids do not mix or leak, which is fundamental for engine cooling and lubrication.

The EBM: Drive (Electrically Driven Blower Motor) system incorporates the threaded plug to seal electrical connections or fluid passages, protecting sensitive components from environmental contaminants. In the Fuel Pump, Fuel Base Pump, Fuel Injection Pump, Fuel Pump Drive, Fuel Pump Kit, Fuel Pump Mounting, and Gear Fuel Pump systems, the plug ensures that fuel lines are sealed, preventing leaks that could lead to dangerous situations or reduced fuel efficiency.

For the Gear Cover Conv. and Kit, On Board Spares, the threaded plug is used to seal openings in the gear cover, protecting the gears from debris and ensuring smooth operation. In the Oil Control Top Level Assembly Valve, it maintains the integrity of the oil control system, ensuring proper lubrication throughout the engine.

The Pace Module and Water Pump Shaft systems use the threaded plug to seal passages, ensuring that coolant flows efficiently without leaks. Finally, in the Water Pump Top Level Assembly Shaft, the plug ensures that the water pump operates under the correct pressure, contributing to effective engine cooling.

Conclusion

The Cummins Threaded Plug 3056416 is a critical component in maintaining the integrity and efficiency of commercial truck systems. Its role in sealing openings, preventing leaks, and ensuring system pressure is vital for the overall performance and safety of the vehicle. Proper installation, regular maintenance, and understanding its compatibility with various Cummins engines are essential for maximizing the benefits of this part.