2874109
Orifice Plug
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$7.49 $8.91

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 2874109 Orifice Plug is a component manufactured by Cummins, designed for use in commercial trucks. This plug serves a specific function within the truck’s system, contributing to the overall operation and efficiency of the vehicle. Cummins, a well-established manufacturer in the industry, produces this orifice plug as part of its commitment to providing reliable and high-quality parts for commercial vehicles.

Basic Concepts of Orifice Plugs

An orifice plug is a device used to control the flow of fluids or gases within a system by restricting the passage through a small opening. In automotive and industrial applications, orifice plugs are utilized to regulate pressure, manage fluid dynamics, and ensure consistent performance across various systems. They are integral components in maintaining the balance and efficiency of these systems 1.

Purpose of the 2874109 Orifice Plug

This Cummins part is designed to play a role in the fluid management system of commercial trucks. By regulating the flow of fluids, it helps maintain optimal pressure levels and ensures that the system operates within specified parameters. This regulation contributes to the efficient functioning of the truck’s engine and other related systems, enhancing overall performance and reliability.

Key Features

The 2874109 Orifice Plug is constructed from high-quality materials, ensuring durability and resistance to wear and corrosion. Its design includes precise orifice sizing to accurately control fluid flow. Additionally, the plug features a secure fitting mechanism that ensures it remains in place under operating conditions, differentiating it from other orifice plugs through its reliability and performance characteristics.

Benefits

Utilizing the 2874109 Orifice Plug offers several advantages, including improved system performance through precise fluid flow regulation. Its durable construction contributes to the longevity of the component, reducing the need for frequent replacements. Furthermore, the reliable operation of the plug enhances the overall efficiency and maintenance of the truck, leading to cost savings and increased uptime 2.

Installation Process

Installing the 2874109 Orifice Plug requires careful attention to ensure proper fitting and function. The process involves selecting the appropriate location within the system, using the necessary tools to secure the plug in place, and verifying that it is correctly installed. Following best practices during installation helps ensure that the plug operates as intended, contributing to the efficient functioning of the truck’s system.

Troubleshooting Common Issues

Common problems associated with orifice plugs, including the 2874109 model, may involve issues with fluid flow regulation or physical damage to the plug. Troubleshooting these issues involves inspecting the plug for signs of wear or damage, ensuring it is correctly installed, and verifying that the system operates within specified parameters. Addressing these issues promptly helps maintain the efficiency and reliability of the truck’s system.

Maintenance Tips

Regular maintenance of the 2874109 Orifice Plug is important to ensure its longevity and optimal performance. This includes periodic inspection for signs of wear or damage, cleaning the plug as necessary, and verifying that it remains securely in place. Following a maintenance schedule helps identify potential issues before they lead to system failures, contributing to the overall efficiency and reliability of the truck.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to quality and innovation. With a history of producing reliable and high-performance parts, Cummins has established a reputation for excellence in the market. The company’s product range includes a variety of components designed to enhance the efficiency and reliability of commercial vehicles, reflecting Cummins’ dedication to advancing the industry through technological innovation and superior manufacturing practices 3.

Orifice Plug 2874109 Compatibility with Cummins Engines

This part is designed to fit a variety of Cummins engine models. Here is a detailed look at its compatibility across different engine series:

ISX12 Series

  • ISX12 CM2350 X102
  • ISX12 G CM2180 EJ
  • ISX12/ISX11.9 CM2250

The ISX12 series engines, including the ISX12 CM2350 X102, ISX12 G CM2180 EJ, and ISX12/ISX11.9 CM2250, are equipped with the Orifice Plug 2874109. This part is crucial for maintaining the correct pressure levels within the engine’s lubrication system, ensuring optimal performance and longevity.

ISZ13 Series

  • ISZ13 CM2150 Z105

The ISZ13 CM2150 Z105 engine also utilizes the Orifice Plug 2874109. This plug is essential for the engine’s hydraulic system, helping to regulate the flow of hydraulic fluid and maintain the necessary pressure for various engine functions.

QSX11.9 Series

  • QSX11.9 CM2250 ECF

The QSX11.9 CM2250 ECF engine is another model that incorporates the Orifice Plug 2874109. This part ensures that the engine’s hydraulic and lubrication systems operate efficiently, contributing to the overall reliability and performance of the engine.

QSZ13 Series

  • QSZ13 CM2150 Z101
  • QSZ13 CM2150 Z102

Both the QSZ13 CM2150 Z101 and QSZ13 CM2150 Z102 engines are compatible with the Orifice Plug 2874109. This part is vital for these engines’ hydraulic systems, ensuring that fluid flow and pressure are maintained at the correct levels.

Z13 Series

  • Z13 Z108G

The Z13 Z108G engine is also designed to use the Orifice Plug 2874109. This component is essential for the engine’s hydraulic system, helping to regulate fluid flow and pressure, which is critical for the engine’s performance and durability.

Each of these engines relies on the Orifice Plug 2874109 to ensure that their hydraulic and lubrication systems function correctly, contributing to the overall efficiency and reliability of the engine.

Role of Part 2874109 Orifice Plug in Engine Systems

The 2874109 Orifice Plug is an essential component in the regulation and management of fluid dynamics within various engine systems. Its primary function is to control the flow rate of fluids, ensuring optimal performance and efficiency of the engine.

Lubricating Oil Pump

In the lubricating oil pump system, the 2874109 Orifice Plug is positioned to regulate the flow of lubricating oil. By precisely controlling the oil flow, it helps maintain consistent lubrication to the engine’s moving parts. This regulation is vital for reducing friction, wear, and tear on components such as bearings, pistons, and camshafts. The orifice plug ensures that the oil pressure remains within the desired range, contributing to the longevity and reliability of the engine.

General Pump Systems

Within general pump systems, the 2874109 Orifice Plug plays a similar role in managing fluid flow. Whether it’s fuel, coolant, or other fluids, the orifice plug helps in maintaining the correct pressure and flow rate. This is particularly important in systems where fluid dynamics directly impact the engine’s performance and efficiency. The plug’s ability to fine-tune the flow ensures that the pump operates within its optimal parameters, preventing issues such as cavitation or overheating.

Lubricating Oil System

In the broader lubricating oil system, the 2874109 Orifice Plug is integral to the overall lubrication strategy. It works in conjunction with filters, passages, and return lines to ensure that the lubricating oil is distributed evenly throughout the engine. This consistent distribution is key to protecting critical components from excessive wear and ensuring smooth operation. The orifice plug’s role in this system underscores its importance in maintaining the engine’s health and performance over time.

By understanding the role of the 2874109 Orifice Plug in these systems, engineers and mechanics can better appreciate its contribution to engine efficiency, reliability, and longevity.

Conclusion

The 2874109 Orifice Plug by Cummins is a critical component in the fluid management systems of commercial trucks. Its precise control over fluid flow and pressure regulation contributes significantly to the engine’s performance, efficiency, and longevity. Proper installation, maintenance, and troubleshooting of this part are essential for ensuring the optimal operation of the truck’s systems. Cummins’ commitment to quality and innovation is evident in the design and functionality of this orifice plug, making it a reliable choice for commercial vehicle applications.


  1. Quigley, Jon M. SAE International’s Dictionary of Testing, Verification and Validation. SAE International, 2023.

  2. Hilgers, Michael. Entire Vehicle: Second Edition. Springer Nature, 2023.

  3. Hilgers, Michael. Alternative Powertrains and Extensions to the Conventional Powertrain. Springer Nature, 2023.

SPECIFICATIONS

Package Dimensions
0.4 x 0.4 x 0.25 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.