4361953
O-Ring Plug
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$65.95 $78.48

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 4361953 O-Ring 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 efficiency and reliability of the vehicle. Understanding its purpose and significance is key to maintaining the optimal performance of commercial trucks.

Basic Concepts of O-Ring Plugs

An O-Ring Plug is a type of seal that uses an O-ring—a toroidal piece of flexible material—to create a seal between two or more parts. It functions by filling the gap between mating surfaces, preventing the leakage of fluids or gases. O-Ring Plugs are commonly used in various mechanical systems to ensure that seals remain intact under pressure and in the presence of different environmental conditions 1.

Purpose of the Cummins 4361953 O-Ring Plug

This Cummins part plays a role in the sealing mechanism of a truck’s engine or other systems. It is designed to prevent the escape of fluids or gases, ensuring that the system operates efficiently. By maintaining a secure seal, it helps in preserving the integrity of the system it is a part of, contributing to the truck’s overall performance 2.

Key Features

The Cummins 4361953 O-Ring Plug is characterized by its material composition, which is typically made from durable elastomers to withstand the operational conditions within a truck’s engine. Its design specifications include precise dimensions to ensure a proper fit and effective sealing. Unique attributes may include resistance to certain chemicals or operating temperatures, enhancing its performance in demanding environments 3.

Benefits

The advantages of using the Cummins 4361953 O-Ring Plug include improved sealing efficiency, which leads to better system performance and reduced maintenance needs. Its durability ensures long-term reliability, and its design contributes to the overall system reliability by preventing leaks and maintaining system pressure.

Installation and Usage

Proper installation of the Cummins 4361953 O-Ring Plug involves ensuring that the mating surfaces are clean and free of debris to allow for an effective seal. Specific procedures may include the use of lubricants compatible with the O-ring material to facilitate installation without damage. Precautions should be taken to avoid over-tightening, which could damage the O-ring or the plug itself.

Troubleshooting and Maintenance

Common issues with O-Ring Plugs can include leaks due to wear, exposure to incompatible fluids, or physical damage. Regular maintenance checks can help identify signs of wear or damage early, allowing for timely replacement. Ensuring the O-ring is made from a material compatible with the system’s fluids and operating conditions is crucial for longevity.

Common Failure Modes

Typical failure modes for O-Ring Plugs include wear from repeated use, degradation from exposure to incompatible fluids, and physical damage from improper installation or operation. Understanding these failure modes can help in identifying the cause of a leak or system failure, guiding the troubleshooting process.

Replacement and Upgrades

When replacing the Cummins 4361953 O-Ring Plug, it is important to use a compatible part to ensure proper fit and function. Potential upgrades may include O-rings made from more durable materials or designed for specific operating conditions, offering enhanced performance and longevity.

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. Its components, including the Cummins 4361953 O-Ring Plug, are designed to meet the demanding requirements of commercial vehicle applications.

Cummins Engine Compatibility with Part 4361953

The O-Ring Plug, identified by the part number 4361953, is a critical component in ensuring the integrity and functionality of certain Cummins engines. This part is specifically designed to fit seamlessly within the engine architecture of the QSK95 CM2350 K111 and QSK95 CM2350 K113 models.

In these engines, the O-Ring Plug plays a vital role in sealing various components, preventing leaks, and maintaining the necessary pressure within the engine system. Its precise fit and robust design ensure that it can withstand the operational stresses and environmental conditions these engines are subjected to.

For the QSK95 CM2350 K111 and QSK95 CM2350 K113 engines, the O-Ring Plug is integral to the overall performance and longevity of the engine. Its compatibility with these models underscores the importance of using genuine Cummins parts to maintain engine efficiency and reliability.

Role of Part 4361953 O-Ring Plug in Fuel System Components

The 4361953 O-Ring Plug is instrumental in maintaining the integrity and efficiency of various fuel system components. In the Fuel Injection Pump, this O-Ring Plug ensures a secure seal, preventing fuel leaks and maintaining consistent fuel pressure, which is essential for precise fuel delivery to the engine.

Within the Fuel Pump assembly, the O-Ring Plug plays a significant role in sealing connections and interfaces, ensuring that fuel is delivered without contamination or loss of pressure. This is particularly important in high-pressure fuel systems where even minor leaks can lead to performance issues.

In a Fuel Pump Kit, the inclusion of the 4361953 O-Ring Plug is vital for the proper installation and function of the pump. It ensures that all connections within the kit are sealed correctly, contributing to the overall reliability and performance of the fuel system.

For general Pump applications within the fuel system, the O-Ring Plug provides a reliable seal at various connection points, enhancing the pump’s efficiency and longevity by preventing fuel leaks and contamination.

Lastly, in the broader context of the Fuel system, the 4361953 O-Ring Plug contributes to the system’s overall integrity by ensuring that fuel is transported efficiently from the tank to the engine, without leaks or pressure drops, thereby supporting optimal engine performance and fuel economy.

Conclusion

The Cummins 4361953 O-Ring Plug is a vital component in the maintenance and operation of commercial trucks, particularly within Cummins engines and fuel systems. Its role in sealing, preventing leaks, and maintaining system pressure is crucial for the efficiency and reliability of these vehicles. Proper installation, regular maintenance, and understanding of common failure modes are essential for maximizing the performance and longevity of this part.


  1. Atkins, Richard D. An Introduction to Engine Testing and Development. SAE International, 2009.

  2. Zhao, Hua. Advanced Direct Injection Combustion Engine Technologies and Development Volume 2 Diesel Engines. CRC Press, 2010.

  3. General Information, Bulletin Number 4021387-01, Owners Manual.

SPECIFICATIONS

Notes
Used to Service Fuel Pump
Package Dimensions
0.5 x 0.5 x 0.5 in
Weight
0.23 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.