3698392
O-Ring Plug
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$3.49 $4.15

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 3698392 O-Ring Plug is a component designed for use in commercial truck systems. Its primary role is to provide a reliable seal in various applications, ensuring the integrity of the system by preventing leaks and maintaining pressure within specified parameters.

Basic Concepts of O-Ring Plugs

An O-Ring Plug is a type of seal that utilizes an O-ring—a toroidal (ring-shaped) elastomer with a circular cross-section—to create a seal between two or more parts. In mechanical systems, O-Ring Plugs are commonly used to seal ports, passages, and openings. They operate by deforming slightly when compressed between two surfaces, creating a tight seal that prevents the passage of fluids or gases 1.

Purpose of the Cummins 3698392 O-Ring Plug

The Cummins 3698392 O-Ring Plug plays a specific role in the operation of commercial trucks by sealing various ports and passages. This function is vital for preventing leaks of fluids or gases, which could compromise the performance and safety of the truck. By maintaining system integrity, the O-Ring Plug contributes to the efficient operation of the truck’s systems 2.

Key Features

The Cummins 3698392 O-Ring Plug is characterized by several key features that enhance its performance. These include its material composition, typically a durable elastomer that can withstand a range of temperatures and pressures, and its design specifications, which are tailored to fit specific applications within commercial truck systems. Additionally, the plug may feature unique attributes such as resistance to certain chemicals or enhanced flexibility for better sealing 3.

Benefits

Using the Cummins 3698392 O-Ring Plug offers several benefits. It provides improved sealing efficiency, ensuring that fluids or gases remain contained within the system. Its durability allows it to withstand the rigors of commercial truck operation, contributing to the overall reliability of the system. Furthermore, by preventing leaks, the O-Ring Plug helps maintain system performance and reduces the need for frequent maintenance.

Installation and Usage

Proper installation of the Cummins 3698392 O-Ring Plug is crucial for its effective operation. Guidelines for installation typically include ensuring the mating surfaces are clean and free of debris, applying the correct amount of lubricant if specified, and compressing the plug to the recommended dimensions. Following these best practices ensures the plug functions as intended, providing a secure seal.

Troubleshooting and Maintenance

Common issues with O-Ring Plugs can include leaks due to wear, damage, or improper installation. Regular maintenance, such as inspecting the plug for signs of wear or deformation, can help ensure its longevity and optimal performance. Signs that the plug may need replacement include visible damage, a decrease in system performance, or leaks around the plug’s installation site.

Compatibility and Application

The Cummins 3698392 O-Ring Plug is designed for use in specific applications within commercial truck systems. Its compatibility with other components is an important consideration, ensuring that it fits correctly and functions as intended within the system. Understanding the typical applications and compatibility considerations helps in selecting the appropriate O-Ring Plug for a given system.

Manufacturer Information - Cummins

Cummins is a well-regarded manufacturer in the automotive and heavy-duty truck industries, known for producing high-quality components. Their commitment to quality and innovation is evident in the design and performance of their products, including the Cummins 3698392 O-Ring Plug. Cummins’ reputation for reliability and durability makes their components a preferred choice for commercial truck applications.

Compatibility of O-Ring Plug Part 3698392 with Cummins Engines

The O-Ring Plug part 3698392, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is crucial for ensuring the integrity of the engine’s sealing system, preventing leaks, and maintaining optimal performance.

ISG11 CM2880 G108 and ISG12 CM2880 G107

These engines, both featuring the CM2880 designation, are part of the ISG series. The O-Ring Plug part 3698392 is compatible with these engines, providing a reliable seal that is essential for their operation.

ISG12 G CMOH6.0 G111

This engine, part of the ISG series, also benefits from the O-Ring Plug part 3698392. The compatibility ensures that the engine maintains its sealing integrity, which is critical for performance and longevity.

QSG12 CM2880 G112

The QSG12 CM2880 G112 engine is another model that is compatible with the O-Ring Plug part 3698392. This part is essential for maintaining the sealing system of this engine, ensuring it operates efficiently.

QSG12/X12 CM2350 G110

This engine, featuring the CM2350 designation, is part of the QSG12/X12 series. The O-Ring Plug part 3698392 fits this engine, providing the necessary sealing to prevent leaks and maintain performance.

X11 CM2670 X126B and X12 CM2350 X119B

Both the X11 CM2670 X126B and X12 CM2350 X119B engines are compatible with the O-Ring Plug part 3698392. This part ensures that the sealing system of these engines remains intact, contributing to their overall efficiency and reliability.

X12 CM2670 X121B and X13 CM2670 X122B

These engines, part of the X12 and X13 series, also require the O-Ring Plug part 3698392 for their sealing needs. This part is crucial for maintaining the sealing integrity of these engines, ensuring they operate at peak performance.

Role of Part 3698392 O-Ring Plug in Engine Systems

In the context of engine systems, the 3698392 O-Ring Plug is instrumental in maintaining the integrity and efficiency of various components.

Housing

Within the housing of an engine, the 3698392 O-Ring Plug serves to seal gaps and prevent the leakage of fluids or gases. This is particularly important in areas where different materials or components meet, ensuring that the internal environment remains consistent and free from contaminants. The seal provided by the O-Ring Plug helps in maintaining the pressure and temperature conditions necessary for optimal engine performance.

Flywheel

The flywheel is another component where the 3698392 O-Ring Plug plays a significant role. Positioned to interface with various parts of the flywheel system, the O-Ring Plug ensures that no lubricants escape, which is essential for the smooth operation of the flywheel. This seal is vital for the flywheel’s ability to store rotational energy and deliver it efficiently to other parts of the engine, contributing to the overall stability and performance of the engine system.

Conclusion

The Cummins 3698392 O-Ring Plug is a critical component in the maintenance and operation of commercial truck systems. Its role in providing reliable seals, preventing leaks, and maintaining system integrity is essential for the efficient and safe operation of these vehicles. Proper installation, regular maintenance, and understanding its compatibility with various Cummins engines are key to maximizing the benefits of this part.


  1. Thorsten Boger, Willard Cutler, “Reducing Particulate Emissions in Gasoline Engines”, SAE International, 2018.

  2. Michael Hilgers, “Electrical Systems and Mechatronics, Second Edition”, Springer Vieweg, 2023.

  3. Libby Osgood, Gayla Cameron, and Emma Christensen, “Engineering Mechanics: Statics”, Creative Commons, 2024.

SPECIFICATIONS

Package Dimensions
16.0 x 11.0 x 3.0 in
Weight
0.01 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.