3349821PX
Injector
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$339.95 $404.54
Refundable Core Charge: $229.95

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 3349821PX Injector is a specialized component designed for use in heavy-duty truck engines. It is integral to the fuel delivery system, ensuring efficient combustion and optimal engine performance. The significance of this injector lies in its ability to enhance the overall efficiency and reliability of truck engines, making it a valuable component in the automotive industry 3.

Basic Concepts of Fuel Injectors

Fuel injectors are devices that deliver fuel into an engine’s combustion chamber. They operate by atomizing fuel into a fine mist, which mixes with air to create a combustible mixture. The precise control of fuel delivery is crucial for efficient combustion, which directly impacts engine performance, fuel efficiency, and emissions 1. Fuel injectors play a vital role in modern engine management systems by ensuring that the correct amount of fuel is delivered at the right time.

Purpose of the Cummins 3349821PX Injector

The Cummins 3349821PX Injector is designed to deliver fuel into the combustion chamber of a truck engine with high precision. Its role in the engine’s operation includes ensuring that fuel is atomized efficiently, which promotes better combustion. This results in improved fuel efficiency and enhanced engine performance. The injector’s design allows it to operate under high pressure, ensuring that fuel is delivered consistently and accurately 2.

Key Features

The Cummins 3349821PX Injector boasts several key features that enhance its performance. Its design incorporates advanced materials that ensure durability and reliability under high-stress conditions. The injector utilizes precise engineering to maintain consistent fuel delivery, even at varying engine speeds and loads. Additionally, it incorporates technological advancements that improve atomization and combustion efficiency.

Benefits of Using the Cummins 3349821PX Injector

The use of the Cummins 3349821PX Injector offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered in the most efficient manner possible. This results in better overall engine performance, as the engine operates more smoothly and with greater power. Additionally, the injector’s reliable design enhances the durability and longevity of the engine, reducing the need for frequent maintenance.

Installation and Integration

Installing the Cummins 3349821PX Injector into a truck engine requires careful attention to ensure proper integration. The injector must be correctly aligned and secured to function effectively. It is important to follow manufacturer guidelines during installation to avoid any issues that could affect engine performance. Specific requirements may include ensuring the fuel system is clean and free of contaminants before installation.

Maintenance and Troubleshooting

Maintaining the Cummins 3349821PX Injector is crucial for ensuring optimal performance. Regular inspection procedures should be conducted to check for any signs of wear or damage. Cleaning the injector periodically helps prevent buildup that could affect fuel delivery. Troubleshooting common issues, such as inconsistent fuel delivery or engine misfires, often involves checking the injector for proper operation and ensuring that the fuel system is free of contaminants.

Performance and Efficiency

The Cummins 3349821PX Injector plays a significant role in the performance and efficiency of heavy-duty truck engines. By ensuring precise fuel delivery, it contributes to better combustion, which results in improved fuel economy and increased power output. The injector’s design allows it to operate efficiently under a wide range of conditions, making it a valuable component for enhancing engine performance.

Environmental Impact

The use of the Cummins 3349821PX Injector has positive environmental implications. By promoting efficient combustion, it helps reduce emissions, contributing to a cleaner environment. Improved fuel efficiency also means that less fuel is consumed, which further reduces the environmental impact of heavy-duty trucks. The injector’s role in enhancing engine performance while minimizing emissions makes it an environmentally friendly choice.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history spanning over a century, Cummins has established a strong reputation in the automotive industry for producing high-quality, reliable components. The company offers a diverse range of products, including engines, filtration systems, and power generation equipment, catering to various industries and applications. Cummins’ commitment to innovation and excellence has made it a trusted name in the industry 3.

Conclusion

The Cummins 3349821PX Injector is a critical component in the fuel delivery system of heavy-duty truck engines. Its precise fuel delivery ensures efficient combustion, leading to improved fuel efficiency, enhanced engine performance, and reduced emissions. The injector’s durable design and advanced features make it a reliable choice for truck engine applications. Proper installation, maintenance, and troubleshooting are essential to maximize the benefits of this Cummins part.


  1. Hilgers, M. (2022). The Drivers Cab. Springer Vieweg.

  2. Randall, M. (2015). Haynes Manual on Diesel Engines. Haynes Publishing.

  3. Hick, H., Kupper, K., & Sorger, H. (2021). Systems Engineering for Automotive Powertrain Development. Springer.

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SPECIFICATIONS

Package Dimensions
8.2 x 2.5 x 2.5 in
Weight
2.24 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.