3395979
Threaded Plug
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$18.95 $22.55

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

Introduction

The Cummins 3395979 Threaded Plug is a component designed for use in commercial truck operations. It serves a specific function within the truck’s systems, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and role is fundamental for maintaining and optimizing truck performance.

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 1.

Purpose of the Cummins 3395979 Threaded Plug

The Cummins 3395979 Threaded Plug plays a role in sealing specific openings within a truck’s engine or other systems. Its function is to provide a tight seal, preventing the escape of fluids or gases and protecting internal components from external contaminants. This plug is integral to maintaining the operational efficiency of the truck’s systems.

Key Features

The Cummins 3395979 Threaded Plug is characterized by several key features that enhance its performance and durability. These include its material composition, which is designed to withstand high temperatures and pressures, and its thread type, which ensures a secure fit. The design specifications of this plug are tailored to meet the demanding requirements of commercial truck applications 2.

Benefits

Utilizing the Cummins 3395979 Threaded Plug offers several advantages. It contributes to improved system integrity by providing a reliable seal, which helps in preventing fluid leaks. Additionally, it enhances overall engine performance by ensuring that systems operate within their designed parameters, free from contamination and leaks 3.

Installation Process

Installing the Cummins 3395979 Threaded Plug requires following a series of steps to ensure proper fitting and functionality. The process involves cleaning the threaded hole, applying the appropriate sealant if necessary, and screwing the plug into place using the correct torque specifications. Tools such as a torque wrench may be required to ensure the plug is installed to the manufacturer’s specifications.

Common Applications

The Cummins 3395979 Threaded Plug is typically used in various systems within commercial trucks, including engine blocks, transmission systems, and hydraulic systems. Its application is widespread due to its versatility and the critical role it plays in sealing and protecting these systems.

Troubleshooting and Maintenance

Identifying issues with threaded plugs can involve checking for signs of leaks or damage. Maintenance tips for ensuring the longevity of the Cummins 3395979 Threaded Plug include regular inspection for wear and proper torque during installation. Replacement or repair procedures should follow manufacturer guidelines to maintain system integrity.

Safety Considerations

When handling, installing, or maintaining the Cummins 3395979 Threaded Plug, it is important to observe safety guidelines. This includes wearing appropriate personal protective equipment, ensuring the work area is clean and free from hazards, and following all manufacturer instructions to prevent injury and ensure the component’s effective operation.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a broad product range, Cummins has established a reputation for quality and reliability in the commercial truck industry. The company’s commitment to excellence is reflected in its products, including the Cummins 3395979 Threaded Plug.

Compatibility with Cummins Engines

The Threaded Plug part number 3395979, manufactured by Cummins, is designed to fit a variety of Cummins engines. This plug is essential for sealing and securing various components within the engine system. Below is a detailed look at the compatibility of this part with specific Cummins engines.

G8.3 Series

The Threaded Plug 3395979 is compatible with the G8.3 engine. This engine is known for its robust performance and reliability, making it a popular choice in various applications.

G8.3 CM558 Series

The G8.3 CM558 engine also utilizes the Threaded Plug 3395979. This variant of the G8.3 engine is equipped with the CM558 control module, enhancing its operational efficiency and performance.

G855 Series

The G855 engine is another model that integrates the Threaded Plug 3395979. This engine is designed for heavy-duty applications, providing substantial power and durability.

GTA8.3 CM558 Series

The GTA8.3 CM558 engine is compatible with the Threaded Plug 3395979. This engine combines the power of the G8.3 with advanced control features, making it suitable for demanding tasks.

KTA19GC CM558 Series

The KTA19GC CM558 engine also uses the Threaded Plug 3395979. This engine is engineered for high-performance applications, offering excellent fuel efficiency and power output.

QSL9 G CM558 Series

The QSL9 G CM558 engine is another model that incorporates the Threaded Plug 3395979. This engine is designed for specific industrial applications, providing reliable performance and ease of maintenance.

By ensuring that the Threaded Plug 3395979 is correctly installed, users can maintain the integrity and efficiency of these Cummins engines. This part plays a crucial role in preventing leaks and securing various engine components, contributing to the overall reliability and longevity of the engine.

Understanding the Role of Part 3395979 Threaded Plug in Engine Systems

The part 3395979 threaded plug is an essential component in various engine systems, serving multiple functions that contribute to the overall efficiency and performance of the engine.

Turbocharger Systems

In turbocharger systems, the threaded plug is often used to seal off unused ports or passages. This ensures that the turbocharger operates within its designed parameters, maintaining optimal pressure and temperature levels. By preventing unwanted air or fluid leaks, the plug helps in preserving the turbocharger’s efficiency and longevity.

Exhaust Systems

Within the exhaust system, the threaded plug plays a significant role in sealing connections and outlets. It is commonly employed at the exhaust manifold to block off ports that are not in use. This sealing function is vital for maintaining the integrity of the exhaust flow, ensuring that emissions are properly managed and that the engine operates smoothly.

Fuel Control Modules

In fuel control modules, the threaded plug is utilized to seal various connections and passages. This is particularly important in systems where precise fuel metering is required. By ensuring that there are no leaks or unintended pathways for fuel, the plug helps in maintaining the accuracy of the fuel control system, thereby enhancing engine performance and fuel efficiency.

Manifold Systems

Manifold systems often incorporate the threaded plug to seal off areas where components are not installed. This is crucial for maintaining the pressure integrity within the manifold, ensuring that air or fluid flows as intended. Proper sealing in the manifold system contributes to consistent engine performance and reduces the risk of component failure due to pressure imbalances.

General Engine Arrangement

Across various engine arrangements, the threaded plug is a versatile component used to seal off different passages and connections. Whether it is sealing an unused port in the turbocharger, blocking an outlet in the exhaust system, or ensuring the integrity of the fuel control module, the threaded plug is a fundamental part that supports the engine’s operational efficiency.

Conclusion

In summary, the threaded plug 3395979 is a vital component in ensuring the proper function and efficiency of various engine systems. Its role in sealing and maintaining the integrity of different engine components underscores its importance in overall engine performance.


  1. Schuetz, T. (2016). Aerodynamics of Road Vehicles: Fifth Edition. SAE International.

  2. Crolla, D. (2015). Crolla Encyclopedia. Wiley.

  3. Ling, F. F. (2011). The Automotive Body. Springer Science.

SPECIFICATIONS

Notes
1/8 NPT
Package Dimensions
0.6 x 0.5 x 0.5 in
Weight
0.16 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.