3944205
Injector
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$259.95 $309.34

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 Cummins 3944205 injector is a critical component for commercial trucks, designed to enhance the efficient operation of diesel engines. This part is integral to Cummins Inc.’s fuel system components, which are engineered to improve engine performance, fuel efficiency, and emissions control. Understanding the function and importance of this Cummins part provides insight into its contribution to the overall operation and maintenance of commercial trucks.

Basic Concepts of Fuel Injectors

Fuel injectors are essential components within an engine’s fuel system, responsible for delivering pressurized fuel into the combustion chamber. They operate by atomizing fuel into a fine mist, which mixes with air for combustion. The precise control of fuel delivery by injectors is vital for the combustion process, affecting engine performance, fuel efficiency, and emissions 1. Modern fuel injectors, like the Cummins 3944205, utilize advanced technology to ensure optimal fuel atomization and distribution, contributing to more efficient and cleaner engine operation.

Role of the Cummins 3944205 Injector in Truck Operation

The Cummins 3944205 injector facilitates the precise delivery of fuel into the engine’s combustion chambers, contributing to improved fuel efficiency by ensuring that the fuel is used as effectively as possible. Additionally, the injector’s design enhances power output by optimizing the air-fuel mixture for combustion. Furthermore, it aids in emissions control by promoting complete fuel combustion, which reduces the emission of pollutants 2.

Key Features of the Cummins 3944205 Injector

The Cummins 3944205 injector is characterized by several key features that enhance its performance. Its design incorporates advanced technology for precise fuel delivery, ensuring optimal combustion. The materials used in its construction are selected for durability and resistance to the high pressures and temperatures within the engine. Technological advancements in this Cummins part include improved nozzle designs for better fuel atomization and electronic controls for precise fuel delivery timing.

Benefits of Using the Cummins 3944205 Injector

Utilizing the Cummins 3944205 injector offers several advantages. It contributes to improved fuel economy by ensuring efficient fuel use. The injector’s design and technology also lead to reduced emissions, aligning with environmental regulations. Furthermore, the enhanced engine performance resulting from optimal fuel delivery and combustion supports the overall efficiency and reliability of commercial trucks 3.

Troubleshooting Common Issues with the Cummins 3944205 Injector

Common issues associated with the Cummins 3944205 injector include leaks, misfires, and clogging. Identifying these problems early can prevent more significant engine issues. Leaks may indicate a faulty seal or damaged injector, misfires can result from improper fuel delivery, and clogging may be due to contaminated fuel. Addressing these issues promptly through inspection, cleaning, or replacement can maintain the injector’s performance and longevity.

Maintenance Tips for the Cummins 3944205 Injector

Routine maintenance practices are crucial for ensuring the longevity and optimal performance of the Cummins 3944205 injector. Regular cleaning of the injector and its components can prevent clogging and ensure smooth operation. Inspections should be conducted to check for leaks, wear, or damage. Following manufacturer-recommended replacement schedules for the injector and its parts can also contribute to maintaining engine efficiency and reliability.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company’s product offerings include a wide range of engines, components, and technologies designed to meet the demanding requirements of commercial transportation, contributing to the efficiency, reliability, and sustainability of the industry.

Conclusion

The Cummins 3944205 injector plays a pivotal role in the efficient operation of diesel engines in commercial trucks. Its advanced design and technology contribute to improved fuel efficiency, enhanced engine performance, and reduced emissions. Regular maintenance and prompt troubleshooting of common issues are essential for ensuring the longevity and optimal performance of this Cummins part. Cummins Inc.’s commitment to quality and innovation is evident in the design and functionality of the 3944205 injector, making it a key component in the commercial truck industry.


  1. Kasab, J., & Strzelec, A. (2020). Automotive Emissions Regulations and Exhaust Aftertreatment Systems. SAE International.

  2. Genta, G., & Morello, L. (2019). The Automotive Chassis Volume 1 Components Design Mechanical Engineering Series 2nd Edition. Springer.

  3. Gillespie, T. D. (2021). Fundamentals of Vehicle Dynamics. SAE International.

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SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Comments
Recon Equivalent 3944205 RX
Package Dimensions
7.0 x 1.4 x 1.4 in
Weight
1.25 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.