2867714
Injector
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$269.95 $321.24

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 2867714 Injector is a component designed for use in commercial trucks, playing a significant role in the efficient operation of these vehicles. This part is integral to the fuel delivery system, ensuring that fuel is delivered to the engine in a precise and controlled manner, which is vital for optimal engine performance and fuel efficiency 1.

Basic Concepts of Fuel Injectors

Fuel injectors are devices used in internal combustion engines to deliver fuel into the combustion chamber. They operate by atomizing fuel into a fine mist, which mixes with air before ignition. This process ensures that the fuel burns completely, maximizing power output and minimizing emissions. The precision of fuel delivery provided by injectors directly impacts engine performance, fuel economy, and emissions levels 2.

Purpose of the Cummins 2867714 Injector

The Cummins 2867714 Injector serves a specific function within the fuel delivery system of a truck. It is responsible for injecting fuel into the engine’s combustion chambers at precise moments and in exact quantities. This precise fuel delivery contributes to the engine’s performance by ensuring optimal combustion, which in turn affects power output, fuel efficiency, and emission levels. The injector’s role is integral to maintaining the balance between these factors, ensuring the engine operates efficiently under various conditions 3.

Key Features

The Cummins 2867714 Injector is characterized by several key features that enhance its performance and reliability. Its design incorporates advanced technology to ensure precise fuel delivery. The materials used in its construction are selected for durability and resistance to the high pressures and temperatures within the engine. Additionally, the injector may feature unique technological aspects, such as improved nozzle designs or electronic controls, that further enhance its efficiency and reliability.

Benefits of Using the Cummins 2867714 Injector

Utilizing the Cummins 2867714 Injector offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered in the most effective manner possible. This precise fuel delivery also enhances engine performance, allowing for better power output and smoother operation. Furthermore, the reliability of the injector is a significant benefit, as it is designed to withstand the demanding conditions of commercial truck operation, reducing the likelihood of failures and the need for frequent maintenance.

Installation and Integration

Proper installation of the Cummins 2867714 Injector is crucial for ensuring optimal performance and compatibility with the truck’s engine system. Installation procedures should follow manufacturer guidelines to ensure that the injector is correctly positioned and securely fastened. This may involve specific preparations, such as cleaning the installation area and checking for compatibility with the engine’s fuel system. Following these steps helps to ensure that the injector operates efficiently and effectively within the engine system.

Maintenance and Troubleshooting

Maintaining the Cummins 2867714 Injector is important for ensuring its long-term performance and reliability. Regular inspection routines should be established to check for signs of wear or damage. Cleaning procedures may be necessary to remove any deposits that could affect the injector’s performance. Troubleshooting common issues, such as misfires or changes in engine performance, may involve checking the injector’s operation and ensuring that it is delivering fuel correctly. Adhering to these maintenance practices helps to prolong the injector’s lifespan and maintain engine efficiency.

Performance Enhancements

The Cummins 2867714 Injector contributes to overall truck performance in several ways. By ensuring precise fuel delivery, it helps to maximize power output and fuel economy. This efficient combustion process also leads to reduced emissions, making the truck more environmentally friendly. The injector’s role in the fuel delivery system is therefore crucial for achieving optimal engine performance and meeting emissions standards.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and power generation products. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to innovation, quality, and customer satisfaction. The company’s extensive product range and focus on technological advancement make it a trusted partner for commercial vehicle operators worldwide.

Compatibility

The Cummins Injector part number 2867714 is designed to be compatible with several engine models. This injector is engineered to meet the specific requirements of the engines it supports, ensuring optimal performance and reliability.

Compatible Engines

  • 4B3.9: The injector is engineered to fit seamlessly within the 4B3.9 engine, providing precise fuel delivery and enhancing overall engine efficiency.
  • 6B5.9: Similarly, the injector is tailored to integrate with the 6B5.9 engine, ensuring that it operates smoothly and efficiently under various conditions.

Grouping of Engines

The injector 2867714 is grouped for compatibility with the 4B3.9 and 6B5.9 engines due to their similar design and operational needs. This grouping ensures that the injector can deliver consistent performance across these engine models, maintaining the integrity and efficiency of the fuel injection system.

Role of Part 2867714 Injector in Engine Systems

The part 2867714 injector is a pivotal component in the orchestration of fuel delivery within engine systems. Its primary function is to atomize fuel into the combustion chamber, ensuring a fine mist that enhances fuel-air mixture homogeneity. This atomization is essential for optimal combustion efficiency and power output.

When integrated into the engine system, the 2867714 injector works in concert with the fuel rail, which supplies pressurized fuel. The injector’s solenoid, activated by the engine control unit (ECU), precisely controls the timing and duration of fuel release. This precise control is vital for maintaining the desired air-fuel ratio, which directly influences engine performance and emissions.

In performance-oriented applications, the 2867714 injector is often paired with aftermarket performance parts. These may include high-flow fuel pumps, larger fuel lines, and upgraded fuel filters. Such combinations are designed to meet the increased fuel demands of modified engines, ensuring that the injector can deliver the necessary volume without restriction.

The injector’s role extends to interaction with the intake manifold. Proper fuel distribution is contingent upon the injector’s ability to deliver fuel in sync with the intake stroke. This synchronization is further refined by the ECU, which monitors various sensors—such as the mass airflow sensor (MAF) and oxygen sensors—to adjust fuel delivery in real-time.

In turbocharged or supercharged engines, the 2867714 injector must handle the additional fuel required to compensate for the increased air density. This is where the injector’s flow rate becomes a significant factor. A higher flow rate ensures that the engine receives adequate fuel under boost, preventing lean conditions that could lead to detonation or engine damage.

Overall, the 2867714 injector is a linchpin in the fuel delivery system, directly impacting engine efficiency, performance, and reliability. Its integration with other components underscores the importance of a well-tuned and balanced engine system.

Conclusion

The Cummins 2867714 Injector is a critical component in the fuel delivery system of commercial trucks, ensuring precise fuel delivery for optimal engine performance, fuel efficiency, and reduced emissions. Its advanced features, compatibility with specific engine models, and role in enhancing overall engine performance make it a valuable asset for commercial vehicle operators.


  1. Hilgers, Michael. The Diesel Engine Second Edition. Springer Nature, 2023.

  2. Asef, Pedram, Sanjeevikumar Padmanaban, and Andrew Lapthorn. Modern Automotive Electrical Systems. Wiley, 2022.

  3. Barton, David C, and John D Fieldhouse. Automotive Chassis Engineering Powertrain Chassis System and Vehicle Body. Elsevier, 2009.

SPECIFICATIONS

Package Dimensions
17.0 x 5.0 x 5.0 in
Weight
0.2 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.