4349974
Threaded Plug
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$489.95 $583.04

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 Threaded Plug 4349974 is a specialized component designed for use in commercial trucks. Its purpose is to provide a secure seal in various applications within the truck’s systems, ensuring that fluids and gases remain contained within their designated pathways 1.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical devices used to seal openings in pipes, engine blocks, and other equipment. They consist of a cylindrical body with external threads that screw into a corresponding threaded hole. Their function is to prevent leaks and maintain system pressure. In automotive and industrial settings, threaded plugs are vital for ensuring the reliability and safety of various systems by providing a tight and durable seal 2.

Purpose of Cummins Threaded Plug 4349974

The Cummins Threaded Plug 4349974 plays a specific role in the operation of a truck by sealing openings in the engine or other systems. It is designed to fit into threaded holes, creating a barrier that prevents the escape of fluids or gases. This plug is particularly useful in applications where maintaining pressure and preventing leaks is crucial for the efficient operation of the truck 3.

Key Features

The Cummins Threaded Plug 4349974 is characterized by several key features that enhance its performance and durability. It is made from high-quality materials that offer resistance to corrosion and wear. The plug features a precise thread type that ensures a secure fit within the designated holes. Its design specifications are tailored to meet the demanding conditions of commercial truck environments, providing reliable sealing capabilities.

Benefits

Using the Cummins Threaded Plug 4349974 offers several advantages. The plug provides improved sealing, which helps maintain system pressure and prevent leaks. Its resistance to corrosion ensures longevity, even in harsh operating conditions. Additionally, the plug is designed for ease of installation, allowing for quick and efficient replacement when needed.

Installation Process

Proper installation of the Cummins Threaded Plug 4349974 involves several steps. First, ensure that the threaded hole is clean and free of debris. Use the appropriate tools to screw the plug into the hole, ensuring a tight fit. It is important to follow the manufacturer’s guidelines to avoid over-tightening, which could damage the threads. After installation, verify that the plug is securely in place and that there are no leaks.

Common Applications

The Cummins Threaded Plug 4349974 is commonly used in various systems within commercial trucks. Typical applications include sealing openings in engine blocks, transmission systems, and hydraulic units. Its versatility makes it a valuable component for maintaining the integrity of these systems.

Troubleshooting and Maintenance

To ensure the longevity of the Cummins Threaded Plug 4349974, regular maintenance is recommended. Inspect the plug for signs of wear or corrosion, and replace it if necessary. Common issues such as leaks can often be traced back to improper installation or damage to the plug. Following the manufacturer’s guidelines for installation and maintenance will help prevent these issues.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing reliable and high-performance components. Their product range includes engines, filtration systems, and aftermarket parts, all designed to meet the demanding needs of commercial transportation.

Role of Part 4349974 Threaded Plug in Engine Systems

In the realm of engine maintenance and repair, the Cummins Threaded Plug 4349974 serves a significant function within various components, ensuring the smooth operation and longevity of the engine.

Lubricating Oil Pump

The lubricating oil pump is a vital component responsible for circulating oil throughout the engine, providing necessary lubrication to moving parts. The Threaded Plug, when utilized in this system, aids in sealing off specific passages or ports within the pump. This sealing is essential for maintaining the correct oil pressure and flow, which are paramount for the efficient operation of the pump. By preventing oil leaks and ensuring that oil reaches all critical components, the Threaded Plug contributes to the overall reliability and performance of the lubricating oil pump.

Lubricating Oil Pump Kit

In a lubricating oil pump kit, which typically includes various components required for the repair or overhaul of the oil pump, the Threaded Plug plays a supportive yet important role. It is often included to address specific sealing requirements within the pump assembly. The presence of the Threaded Plug in the kit allows for a comprehensive repair solution, ensuring that all potential leak points are addressed during the maintenance process. This comprehensive approach helps in maintaining the integrity of the oil pump system, thereby enhancing the engine’s operational efficiency.

Service Kit

A service kit is designed to provide all necessary components for routine maintenance or overhaul of an engine system. Within such a kit, the Threaded Plug is a valuable inclusion. It is used to seal various ports and passages within the engine, ensuring that fluids remain contained within their designated pathways. This containment is essential for maintaining the engine’s lubrication system’s efficiency, preventing contamination, and ensuring that all moving parts receive the necessary lubrication for smooth operation. The Threaded Plug, therefore, plays a supportive role in the broader context of engine maintenance, contributing to the engine’s overall health and performance.

Conclusion

The Cummins Threaded Plug 4349974 is a critical component in the maintenance and operation of commercial truck engines. Its role in sealing various systems ensures the integrity and efficiency of the engine’s operations. Regular maintenance and proper installation are essential to maximize the benefits of this part.


  1. Hilgers, M., & Achenbach, W. (2021). Vocational Vehicles and Applications. Springer Vieweg.

  2. Dixon, J. (2014). Modern Diesel Technology: Heating, Ventilation, Air Conditioning, Refrigeration, 2nd Edition. Cengage Learning.

  3. Xin, Q. (2011). Diesel Engine System Design. Woodhead Publishing Limited.

SPECIFICATIONS

Package Dimensions
1.375 x 1.25 x 1.25 in
Weight
0.369 lbs
* 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.