3279505
Injector
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,249.95 $1,487.44

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 3279505 injector is a component designed for use in commercial trucks, playing a significant role in the efficient operation of diesel engines. This injector is part of Cummins Inc.’s lineup of fuel system components, which are engineered to enhance engine performance, fuel efficiency, and emissions control. Understanding the function and importance of this Cummins part is key to maintaining and optimizing the performance of commercial trucks.

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 timing and amount of fuel delivered by injectors are critical for efficient combustion, power output, and emissions control. In diesel engines, fuel injectors must withstand high pressures and temperatures, making their design and material selection crucial for durability and performance 1.

Role of the Cummins 3279505 Injector in Truck Operation

The Cummins 3279505 injector contributes to the operation of a truck by ensuring precise fuel delivery to the engine’s combustion chambers. This precision helps in achieving optimal fuel efficiency, maximizing power output, and minimizing emissions. The injector’s design allows for fine-tuning of the fuel spray pattern and timing, which are essential for efficient combustion and engine performance. By maintaining the correct fuel-air mixture, the injector plays a role in reducing harmful emissions and improving the overall efficiency of the truck’s engine 2.

Key Features of the Cummins 3279505 Injector

The Cummins 3279505 injector is characterized by its robust design, which includes high-quality materials that can withstand the extreme conditions within a diesel engine. It incorporates advanced technological features such as precise fuel metering and optimized spray patterns. These features contribute to its reliability, efficiency, and compatibility with Cummins engines. The injector’s construction ensures durability and consistent performance over time 3.

Benefits of Using the Cummins 3279505 Injector

Utilizing the Cummins 3279505 injector in commercial trucks offers several advantages. It contributes to improved fuel economy by ensuring efficient fuel combustion. The injector’s design enhances engine performance, providing consistent power output. Additionally, by optimizing the fuel-air mixture, it plays a role in reducing emissions, helping trucks meet environmental regulations. The reliability and durability of the injector also contribute to lower maintenance costs and increased uptime for commercial fleets.

Troubleshooting Common Issues with the Cummins 3279505 Injector

Common issues with the Cummins 3279505 injector may include leaks, misfires, or clogging. Identifying these problems early can prevent more significant engine damage. Leaks may be detected through visual inspection or by observing changes in engine performance. Misfires can often be traced to issues with fuel delivery, while clogging may require cleaning or replacement of the injector. Regular maintenance and inspections are recommended to address these issues promptly.

Maintenance Tips for the Cummins 3279505 Injector

To ensure the optimal performance and longevity of the Cummins 3279505 injector, routine maintenance is advised. This includes regular cleaning to remove any deposits that may affect fuel delivery, periodic inspection for signs of wear or damage, and adherence to recommended replacement schedules. Following the manufacturer’s guidelines for maintenance can help prevent issues and ensure the injector continues to operate efficiently.

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 innovation, quality, and reliability in the automotive industry. The company’s product offerings include a wide range of engines and components for on-highway and off-highway applications, demonstrating its commitment to meeting the diverse needs of its customers.

Role of Part 3279505 Injector in Engine Systems

The injector, specifically part 3279505, is a pivotal component in the orchestration of fuel delivery within engine systems. Its primary function is to atomize and dispense fuel into the combustion chamber at precise moments, ensuring optimal air-fuel mixture for combustion. This process is integral to the performance and efficiency of the engine.

When integrated with performance parts, the injector enhances the engine’s capabilities by providing a more controlled and efficient fuel delivery. This is particularly important in high-performance engines where the demand for fuel is greater, and the timing of fuel delivery can significantly affect engine output and efficiency.

The injector works in conjunction with the engine control unit (ECU) to monitor and adjust fuel delivery based on various parameters such as engine load, RPM, and environmental conditions. This dynamic interaction allows for real-time adjustments, contributing to smoother operation and better fuel economy.

In turbocharged or supercharged engines, the injector plays an even more significant role. These engines require a richer fuel mixture to compensate for the increased air density. The injector must be capable of delivering a higher volume of fuel without compromising the precision of the air-fuel ratio.

Furthermore, in direct injection systems, the injector is responsible for spraying fuel directly into the combustion chamber, rather than into the intake tract. This requires the injector to operate at higher pressures and with greater precision to ensure that the fuel is atomized correctly and combusts efficiently.

Overall, the injector is a fundamental component that, when paired with performance parts, can significantly elevate the engine’s performance, responsiveness, and efficiency.

Conclusion

The Cummins 3279505 injector is a critical component in the efficient operation of diesel engines in commercial trucks. Its role in precise fuel delivery, combined with its robust design and advanced features, contributes to enhanced engine performance, fuel efficiency, and emissions control. Regular maintenance and prompt troubleshooting of common issues are essential for ensuring the longevity and optimal performance of this Cummins part.


  1. Zhao, H. (2010). Advanced Direct Injection Combustion Engine Technologies and Development Volume 2 Diesel Engines. CRC Press.

  2. Schneider, W.-H. (2016). Pistons and Engine Testing. Springer Nature.

  3. Isermann, R. (2017). Combustion Engine Diagnosis. Springer Vieweg.

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SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Comments
Recon equivalent 3279505 PX
Package Dimensions
6.8 x 3.4 x 3.38 in
Weight
1.48 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.