3924148
Threaded Plug
Cummins®

IN STOCK

Cummins®

More than 10 are currently available

Ships within 1 business day

$10.95 $13.03

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

The Cummins 3924148 Threaded Plug is a component designed for use in commercial trucks. It serves a specific function within the truck’s mechanical systems, contributing to the overall maintenance and operational efficiency of the vehicle. Understanding its purpose and significance is important for those involved in the upkeep and repair of commercial trucks.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal openings or passages in various systems. They are screwed into place, creating a secure barrier that prevents the ingress of contaminants and the escape of fluids or gases. In mechanical systems, threaded plugs play a role in maintaining system integrity and ensuring that components operate within specified parameters 1.

Purpose of the Cummins 3924148 Threaded Plug

The Cummins 3924148 Threaded Plug is specifically designed to seal and protect internal components of a truck from contaminants. By fitting securely into designated openings, it helps maintain the cleanliness and functionality of the system it is part of. This plug contributes to the prevention of leaks and the protection of sensitive components from environmental factors 2.

Key Features

The Cummins 3924148 Threaded Plug is constructed with features that enhance its performance and durability. It is made from materials that are resistant to corrosion and wear, ensuring longevity in demanding environments. The plug’s thread type is designed to provide a tight seal, and it may include unique attributes that further improve its functionality in specific applications 3.

Benefits

Using the Cummins 3924148 Threaded Plug offers several advantages. It contributes to improved system integrity by effectively sealing openings, which reduces the risk of leaks. Additionally, it provides enhanced protection against environmental factors, helping to maintain the performance and longevity of the truck’s components 4.

Installation Process

Proper installation of the Cummins 3924148 Threaded Plug involves following a step-by-step procedure to ensure a secure fit. This may include using specific tools or techniques to achieve the correct torque and seal. Careful installation is important to the plug’s effectiveness and the overall reliability of the system 5.

Troubleshooting Common Issues

Threaded plugs, including the Cummins 3924148, may encounter issues such as leaks or difficulty in removal. Identifying these problems early and applying appropriate troubleshooting steps can help resolve issues and maintain the plug’s functionality. Solutions may involve re-torquing, cleaning, or, in some cases, replacement 6.

Maintenance Tips

Regular inspection and maintenance of the Cummins 3924148 Threaded Plug are recommended to ensure continued reliable performance. This includes cleaning the plug and its surrounding area, checking for signs of wear or damage, and considering replacement if necessary. Adhering to a maintenance schedule helps prevent unexpected failures and extends the life of the component 7.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the commercial truck and engine industry. With a history of innovation and quality, Cummins offers a wide range of products designed to meet the demands of various applications. The company’s reputation for reliability and performance is supported by its comprehensive product line and commitment to customer satisfaction 8.

Threaded Plug 3924148 Compatibility with Cummins Engines

The Cummins Threaded Plug part number 3924148 is designed to fit a variety of Cummins engines. This plug is essential for sealing and securing various components within the engine, ensuring optimal performance and preventing leaks. Below is a detailed overview of the engines that are compatible with this specific threaded plug:

15N CM2380 M104B

This engine model is part of the Cummins 15N series, known for its reliability and efficiency in various applications. The threaded plug 3924148 is used in this engine to secure and seal critical components, ensuring the engine operates smoothly.

4B3.9, 6B5.9, 6C8.3, B3.3, B3.9 G, B4.5, B5.9

These engines are part of the B and C series, which are widely used in agricultural and industrial applications. The threaded plug 3924148 is compatible with these engines, providing a secure seal for various engine components.

B5.9 GAS PLUS CM556, B6.7 CM2670 B164C, C GAS PLUS CM556, C8.3 G

These engines are part of the B and C series with gas configurations. The threaded plug 3924148 is used to ensure proper sealing and secure fittings, which is crucial for maintaining engine integrity and performance.

D4.0 CM2620 D103B, F3.8 CM2350 F120B, F3.8 CM2620 F137B, F3.8 F102, F4.5 CM2620 F139B, F4.5 CM2620 F141C

These engines are part of the F and D series, commonly used in various industrial and construction applications. The threaded plug 3924148 fits these engines, providing a reliable seal for critical engine components.

G5.9, G5.9 CM558, G8.3, G8.3 CM558, GTA8.3 CM558

These engines are part of the G series, known for their durability and efficiency. The threaded plug 3924148 is used in these engines to ensure secure and leak-free connections, which is vital for maintaining engine performance.

ISB CM2150

The ISB series is known for its versatility and performance in various applications. The threaded plug 3924148 is compatible with the ISB CM2150 engine, providing a secure seal for essential engine components.

This threaded plug is a critical component in ensuring the reliability and performance of these Cummins engines. Its compatibility across various engine models highlights its versatility and importance in maintaining engine integrity.

Role of Part 3924148 Threaded Plug in Engine Systems

The 3924148 Threaded Plug is an integral component in various engine systems, facilitating efficient operation and maintenance. Its applications span across several key areas:

  • Air Fuel Control Plumbing: The threaded plug ensures secure connections in the air fuel control plumbing, preventing leaks and maintaining the precise air-fuel ratio essential for optimal engine performance.

  • Air Intake Connection: In the air intake system, the threaded plug seals connections, ensuring that the intake air is clean and metered accurately, which is vital for combustion efficiency.

  • Camshaft and Cylinder Head: When installed in the cylinder head, particularly in cylinder head kits or cylinder heads without valves, the threaded plug helps in sealing off unused passages, contributing to the overall integrity of the engine’s upper end.

  • Flywheel Housing: In the flywheel housing, the threaded plug is used to seal off areas not in use, which helps in maintaining the structural integrity and preventing oil or fuel leaks.

  • Fuel Injector and Injector Plumbing: The plug plays a role in the fuel injector system by sealing connections in the injector plumbing, ensuring that fuel delivery is consistent and leak-free.

  • Full Flow Oil Filter and Oil Pan Plumbing: In the oil circulation system, the threaded plug is employed in the full flow oil filter and oil pan plumbing to seal off unnecessary passages, ensuring efficient oil flow and filtration.

  • Head.Cylinder and Injectors: Within the head.cylinder assembly and around injectors, the plug aids in sealing off areas, which is important for maintaining pressure and preventing leaks in the combustion chamber.

  • PMM Piston Upgrade and Long Block: During upgrades like the PMM piston upgrade or within a long block assembly, the threaded plug is used to seal off passages, ensuring that the upgraded components function within a sealed environment.

  • Lower Engine Gasket Kit and Overhaul Kit: In these kits, the threaded plug is a common component used to seal various engine passages, ensuring that the overhaul or gasket replacement is done effectively.

  • Oil Heater Starting Aid and Oil Pan: The plug is also utilized in the oil heater starting aid and oil pan to seal off areas, aiding in the efficient warming of oil and secure mounting of the pan.

  • Performance Parts and Turbocharger Arrangement: In performance parts and turbocharger arrangements, the threaded plug is used to seal off areas not in use, which is important for maintaining the performance enhancements and structural integrity of the turbocharger mounting.

  • Water Outlet Connection: Finally, in the water outlet connection, the threaded plug ensures a secure seal, which is vital for maintaining the coolant system’s integrity and preventing leaks.

Conclusion

The Cummins 3924148 Threaded Plug is a versatile and essential component in the maintenance and operation of commercial trucks and various Cummins engines. Its role in sealing and protecting critical engine components ensures the reliability, performance, and longevity of the vehicle. Proper installation, regular maintenance, and understanding its applications across different engine systems are key to maximizing the benefits of this Cummins part.


  1. Boyce, M. P. (2002). Gas Turbine Engineering Handbook, Second Edition. Gulf Professional Publishing.

  2. Goodnight, N., & Van Gelder, K. (2018). Automotive Braking Systems. Jones & Bartlett Learning.

  3. Robert Bosch GmbH. (2014). Bosch Automotive Handbook 9th Edition. Robert Bosch GmbH.

  4. Hilgers, M. (2023). The Diesel Engine Second Edition. Springer Nature.

  5. Cummins Inc. (n.d.). QSK23 CM2350 K127, Service Manual (5504160). Cummins Inc.

  6. Cummins Inc. (n.d.). QSK23 CM2350 K127, Service Manual (5504160). Cummins Inc.

  7. Cummins Inc. (n.d.). QSK23 CM2350 K127, Service Manual (5504160). Cummins Inc.

  8. Cummins Inc. (n.d.). QSK23 CM2350 K127, Service Manual (5504160). Cummins Inc.

SPECIFICATIONS

Service Part Topic
93T7-8
Comments
M22 x 1.50 x 14
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.2 x 1.2 x 1.0 in
Weight
0.168 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.