3680732
Expansion Plug
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$9.49 $11.29

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 3680732 Expansion Plug is a component designed for use in commercial trucks, specifically tailored for the ISX CM570, ISX CM870, and ISX CM871 engines. This part is integral to maintaining the structural integrity and operational efficiency of these engines by managing the expansion and contraction of engine parts due to temperature changes effectively 1.

Basic Concepts of Expansion Plugs

Expansion plugs are mechanical devices used to seal openings in various systems, such as engines or cooling systems. They function by expanding when inserted into a hole, creating a tight seal that prevents leaks or the ingress of contaminants. In automotive and industrial settings, these plugs are vital for maintaining system integrity and efficiency 2.

Purpose of the Cummins 3680732 Expansion Plug

The Cummins 3680732 Expansion Plug plays a role in the operation of a truck by sealing specific openings within the engine or cooling system. Its function is to maintain the system’s pressure and prevent fluid leaks, which is important for the engine’s performance and longevity 3.

Key Features

The Cummins 3680732 Expansion Plug is characterized by its material composition, typically made from durable metals or alloys to withstand high temperatures and pressures. Its design includes elements that allow for expansion upon installation, ensuring a secure fit. Unique attributes may include corrosion resistance and compatibility with specific engine components 4.

Benefits

Using the Cummins 3680732 Expansion Plug offers several advantages. It contributes to improved system integrity by providing a reliable seal, which helps in maintaining the efficiency of the engine or cooling system. Additionally, its durable construction supports longevity, reducing the need for frequent replacements and contributing to operational efficiency 5.

Installation Process

Installing the Cummins 3680732 Expansion Plug involves a series of steps to ensure proper fitting and function. The process typically requires specific tools and may involve additional components to facilitate installation. Careful adherence to the manufacturer’s guidelines is important to achieve the desired seal and performance 6.

Troubleshooting Common Issues

Common issues with expansion plugs can include leaks or failure to seal properly. Diagnosing these problems involves checking for signs of wear, corrosion, or improper installation. Solutions may range from re-installation to replacement, depending on the severity of the issue 7.

Maintenance Tips

Routine checks and maintenance practices are important for ensuring the longevity and effectiveness of the Cummins 3680732 Expansion Plug. This includes regular inspections for signs of wear or damage, and ensuring that the plug remains securely in place. Following manufacturer recommendations for maintenance can help prevent issues and ensure optimal performance 8.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its wide range of engine and component products. The company has a history of innovation and quality, providing solutions that meet the demanding requirements of commercial vehicle operations. Its reputation is built on a commitment to reliability, performance, and customer satisfaction 9.

Role of the 3680732 Expansion Plug in Engine Systems

In engine systems, the 3680732 Expansion Plug plays a significant role in ensuring the proper functioning of various components.

Interaction with the Lever

The lever mechanism in an engine system is designed to transmit force or motion. The 3680732 Expansion Plug aids in maintaining the structural integrity of the lever assembly. By fitting securely into designated openings, it prevents unwanted movement or misalignment of the lever. This ensures that the lever operates smoothly and efficiently, contributing to the overall performance of the engine 10.

Contribution to the Rocker Mechanism

The rocker, another essential component in engine systems, relies on precise movement to function correctly. The 3680732 Expansion Plug is instrumental in stabilizing the rocker’s base or mounting points. It ensures that the rocker remains in the correct position during operation, which is vital for consistent valve operation. This stability is key to maintaining the engine’s timing and efficiency 11.

Overall Impact on Engine Performance

By integrating the 3680732 Expansion Plug into these components, engine systems benefit from enhanced reliability and performance. The plug’s role in securing and stabilizing critical parts like the lever and rocker underscores its importance in the intricate dance of engine mechanics 12.

Conclusion

The Cummins 3680732 Expansion Plug is a vital component in the maintenance and operational efficiency of commercial trucks, particularly for the ISX CM570, ISX CM870, and ISX CM871 engines. Its role in sealing and stabilizing critical engine components ensures optimal performance and longevity of the engine systems. Regular maintenance and adherence to manufacturer guidelines are essential for maximizing the benefits of this part.


  1. Haynes Diesel Engine Systems and Data Book, Steve Rendle, Martynn Randall, Haynes Publishing, 2000.

  2. Motor Vehicle Mechanics Textbook, Fifth Edition, F. K. Sully, Heinemann Professional Publishing, 1998.

  3. Modern Diesel Technology Light Duty Diesels, Sean Bennett, Cengage Learning, 2012.

  4. QSL9 CM2350 L102, Bulletin Number 4332797, Operation and Maintenance Manual.

  5. Haynes Diesel Engine Systems and Data Book, Steve Rendle, Martynn Randall, Haynes Publishing, 2000.

  6. Motor Vehicle Mechanics Textbook, Fifth Edition, F. K. Sully, Heinemann Professional Publishing, 1998.

  7. Modern Diesel Technology Light Duty Diesels, Sean Bennett, Cengage Learning, 2012.

  8. QSL9 CM2350 L102, Bulletin Number 4332797, Operation and Maintenance Manual.

  9. Cummins Inc. Company Overview, Cummins Official Website.

  10. Haynes Diesel Engine Systems and Data Book, Steve Rendle, Martynn Randall, Haynes Publishing, 2000.

  11. Motor Vehicle Mechanics Textbook, Fifth Edition, F. K. Sully, Heinemann Professional Publishing, 1998.

  12. Modern Diesel Technology Light Duty Diesels, Sean Bennett, Cengage Learning, 2012.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.25 x 1.25 x 0.25 in
Weight
0.03 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.