2866879
Spark Plug
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$244.95 $291.49

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 2866879 Spark Plug is a specialized component designed for use in commercial trucks. It ensures efficient ignition of the air-fuel mixture within the engine, contributing to reliable engine performance and overall vehicle efficiency. This part is engineered to meet the demanding requirements of heavy-duty applications.

Basic Concepts of Spark Plugs

A spark plug is a component in an internal combustion engine responsible for igniting the compressed air-fuel mixture within the combustion chamber. This ignition process generates the power needed to drive the engine’s pistons. The spark plug achieves this by creating a high-voltage electrical spark across an electrode gap, which ignites the mixture. Proper functioning of the spark plug is vital for optimal engine performance, fuel efficiency, and emissions control 1.

Purpose of the Cummins 2866879 Spark Plug

The Cummins 2866879 Spark Plug is designed to enhance the ignition system in commercial trucks. It ensures a reliable spark under various operating conditions, which is crucial for maintaining engine performance. By providing consistent and efficient ignition, this spark plug contributes to smoother engine operation, improved fuel efficiency, and reduced emissions.

Key Features

The Cummins 2866879 Spark Plug boasts several key features that enhance its performance and durability. Its design includes precision-machined electrodes and a robust insulator made from high-quality materials. These features ensure reliable spark generation and resistance to wear and corrosion. Additionally, the spark plug’s construction allows for efficient heat dissipation, which is vital in the high-temperature environment of a commercial truck engine.

Benefits

Using the Cummins 2866879 Spark Plug offers several benefits for fleet operators. It contributes to improved engine efficiency by ensuring optimal ignition of the air-fuel mixture. This results in better fuel economy and reduced operating costs. The spark plug’s durable construction also enhances engine reliability, minimizing the need for frequent replacements and maintenance. Furthermore, its efficient operation helps in reducing emissions, promoting environmentally sustainable practices 2.

Installation and Compatibility

Proper installation of the Cummins 2866879 Spark Plug is crucial for ensuring optimal performance. It should be installed according to the manufacturer’s guidelines to achieve the correct gap and seating. Ensuring the spark plug is compatible with the specific engine model is also important for maintaining engine efficiency and reliability.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 2866879 Spark Plug is essential for ensuring its longevity and performance. This includes periodic inspection for signs of wear or damage and cleaning the electrodes if necessary. Common issues such as misfires or poor engine performance can often be traced back to spark plug problems, highlighting the importance of proper maintenance.

Performance and Efficiency

The Cummins 2866879 Spark Plug plays a role in enhancing overall engine performance and fuel efficiency in commercial trucks. By providing a consistent and reliable spark, it ensures efficient combustion of the air-fuel mixture, which is crucial for maintaining engine power and fuel economy. Its design and materials contribute to durable performance under the demanding conditions of heavy-duty applications 3.

Safety Considerations

When handling and installing the Cummins 2866879 Spark Plug, it is important to follow proper safety procedures. This includes wearing appropriate personal protective equipment and ensuring the engine is cool before beginning any work. Awareness of potential hazards, such as electrical shocks or burns from hot engine components, is crucial for safe installation and maintenance.

Environmental Impact

The use of the Cummins 2866879 Spark Plug contributes to reducing emissions from commercial trucks. By ensuring efficient combustion, it helps in minimizing the release of harmful pollutants into the atmosphere. This aligns with efforts to promote sustainable transportation practices and reduce the environmental footprint of heavy-duty vehicles.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and a commitment to quality, Cummins offers a wide range of products designed to meet the needs of various industries, including commercial transportation. The company’s focus on technological advancement and sustainability underscores its role in shaping the future of the automotive industry.

Spark Plug 2866879 Compatibility with Cummins Engines

The Cummins Spark Plug 2866879 is designed to fit seamlessly within a range of Cummins engines, ensuring optimal performance and reliability. This part is engineered to meet the specific needs of the following engines:

  • QSK60G
  • QSV81G
  • QSV91-G4 CM558/CM700 V102
  • QSV91G

These engines, while differing in their specific configurations and applications, share a commonality in their requirement for high-quality spark plugs that can withstand the rigors of their operational environments. The 2866879 spark plug is crafted to provide reliable ignition, efficient fuel combustion, and extended service life, making it an ideal choice for these engines.

For the QSK60G and QSV81G, the 2866879 spark plug is engineered to handle the high-stress conditions typical of these engines, ensuring consistent performance and minimal downtime.

In the case of the QSV91-G4 CM558/CM700 V102 and QSV91G, the 2866879 spark plug is designed to integrate smoothly, providing the necessary spark for efficient engine operation. This compatibility is crucial for maintaining the engine’s performance and longevity, especially in demanding applications.

By choosing the 2866879 spark plug, users can be confident in its ability to deliver reliable performance across these Cummins engines, ensuring that their machinery operates at peak efficiency.

Role of Part 2866879 Spark Plug in Engine Systems

The part 2866879 Spark Plug is a component within the ignition system of an engine. Its primary function is to create a spark that ignites the air-fuel mixture within the combustion chamber, facilitating the power stroke that drives the engine’s operation.

Integration with the Ignition System

Within the ignition system, the spark plug works in concert with other components such as the ignition coil, distributor (in older systems), or ignition control module (in modern systems). When the system receives a signal from the engine control unit (ECU), it sends a high-voltage current to the spark plug. The spark plug then generates a spark across its electrodes, igniting the compressed air-fuel mixture.

Functionality within a Spark Plug Kit

When included in a spark plug kit, part 2866879 is often accompanied by other necessary components such as spark plug wires, ignition coils, and gaskets. This kit is designed to ensure a comprehensive upgrade or replacement of the ignition components, enhancing the overall efficiency and reliability of the engine. The spark plug, as a part of this kit, ensures that each cylinder receives a consistent and reliable spark, contributing to smooth engine operation and optimal fuel combustion.

The consistent performance of part 2866879 within these systems ensures that the engine operates efficiently, with minimal misfires and maximal power output. Regular maintenance and replacement of spark plugs, as indicated by the manufacturer or through diagnostic checks, are essential to maintaining the integrity of the ignition system and the overall performance of the engine.

Conclusion

The Cummins 2866879 Spark Plug is a critical component for commercial trucks, ensuring efficient ignition and contributing to reliable engine performance. Its key features, benefits, and compatibility with various Cummins engines make it an ideal choice for fleet operators. Proper installation, maintenance, and understanding of its role within the ignition system are essential for maximizing its performance and longevity.


  1. Daniel Williams, Generalized Vehicle Dynamics, SAE International, 2022.

  2. Bruce Maclaurin, High Speed Off-Road Vehicles, Wiley, 2018.

  3. Zhiyu Han, Simulation and Optimization of Internal Combustion Engines, SAE International, 2022.

SPECIFICATIONS

Service Part Topic
TSB130126
Package Dimensions
17.0 x 3.0 x 3.0 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.