3411821PX
Injector
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$649.95 $773.44
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 3411821PX Injector is a specialized component designed for use in commercial trucks. It plays a role in the fuel delivery system, ensuring that the engine operates efficiently and effectively. This injector is part of Cummins’ lineup of high-performance diesel engine components, known for their reliability and efficiency in demanding applications.

Basic Concepts of Fuel Injectors

Fuel injectors are components 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 timing and amount of fuel delivered by the injector are important for optimal combustion, which directly affects engine performance, fuel efficiency, and emissions. In diesel engines, fuel injectors play a particularly important role due to the high compression ratios and the need for precise fuel delivery to achieve efficient combustion 1.

Role of the 3411821PX Injector in Truck Operation

This Cummins part is engineered to enhance the fuel delivery process in commercial trucks. It ensures that fuel is delivered at the right time and in the correct amount, contributing to efficient combustion. This injector helps maintain consistent engine performance under varying load conditions, which is important for the reliability and durability of commercial trucks. By optimizing fuel delivery, the 3411821PX Injector also plays a role in reducing emissions and improving overall engine efficiency.

Key Features

The 3411821PX Injector boasts several key features that enhance its performance. 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 encountered in diesel engines. Additionally, the injector may feature unique technological aspects such as electronic control for fine-tuning fuel delivery, which contributes to its efficiency and reliability.

Benefits

The use of the 3411821PX Injector in commercial trucks offers several benefits. It contributes to improved fuel efficiency by ensuring that fuel is used more effectively during combustion. This can lead to cost savings for fleet operators over time. The injector also enhances engine performance, providing smoother operation and better power output. Furthermore, its reliable design helps ensure that the engine operates consistently, reducing the likelihood of unexpected downtime.

Troubleshooting and Maintenance

To ensure the optimal performance and longevity of this Cummins part, regular maintenance and troubleshooting are recommended. Common issues may include clogged injectors, which can affect fuel delivery and engine performance. Diagnostic tips include monitoring engine performance for signs of inefficiency, such as decreased power or increased emissions. Maintenance practices may involve cleaning or replacing injectors as needed, following manufacturer guidelines for service intervals and procedures 2.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the manufacturing of diesel engines and components. The company’s commitment to excellence is reflected in its products, which are designed to meet the demanding requirements of commercial and industrial applications.

Conclusion

The Cummins 3411821PX Injector is a critical component in the fuel delivery system of commercial trucks, designed to enhance engine performance, fuel efficiency, and reliability. Its advanced features and benefits make it a valuable asset for fleet operators, contributing to cost savings and reduced emissions. Regular maintenance and troubleshooting are essential to ensure the optimal performance and longevity of this injector.


  1. R. Matthew Brach, SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety, SAE Books, 2023.

  2. Konrad Reif Ed, Brakes Brake Control and Driver Assistance Systems Function Regulation and Components, Springer, 2014.

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SPECIFICATIONS

Notes
WARRANTY - 1 YR or 100K MI
Package Dimensions
8.125 x 2.375 x 2.375 in
Weight
2.25 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.