3073574
Injector
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$689.95 $821.04

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 Injector Part #3073574 is a component designed for use in heavy-duty trucks, manufactured by Cummins Inc. This part is integral to the fuel delivery system of Cummins engines, ensuring efficient and reliable operation. Cummins, a well-established name in the diesel engine industry, is known for its commitment to quality and innovation, making this injector part a valuable addition to any heavy-duty truck’s engine system.

Basic Concepts of Fuel Injectors

A fuel injector is a device that sprays fuel into the combustion chamber of an internal combustion engine. Its primary function is to deliver a precise amount of fuel at the right time, contributing to the engine’s overall performance, efficiency, and emissions control. The role of the fuel injector is vital in ensuring that the engine operates smoothly and efficiently, directly impacting the vehicle’s power output and fuel economy 1.

Purpose of the Cummins Injector Part #3073574

The Cummins Injector Part #3073574 plays a significant role in the operation of a truck by facilitating the precise delivery of fuel into the engine’s combustion chamber. This part enhances engine performance by ensuring that fuel is atomized and distributed evenly, which is crucial for efficient combustion. The injector’s function in the fuel delivery system is to maintain optimal fuel-air mixture, contributing to the engine’s power output, fuel efficiency, and overall reliability.

Key Features

The Cummins Injector Part #3073574 is designed with several key features that enhance its performance and durability. Its construction includes high-quality materials that are resistant to wear and corrosion, ensuring longevity in demanding operating conditions. The injector incorporates advanced technological features such as precise fuel metering and high-pressure capabilities, which contribute to its efficiency and reliability. Additionally, its design allows for easy installation and maintenance, making it a practical choice for heavy-duty truck applications.

Benefits

Using the Cummins Injector Part #3073574 offers several benefits, including improved fuel efficiency, enhanced engine performance, and increased reliability. The injector’s precise fuel delivery helps to optimize combustion, leading to better fuel economy and reduced emissions. Its robust construction and advanced features contribute to the engine’s overall performance, providing consistent power output and torque. The reliability of this injector part ensures that heavy-duty trucks can operate efficiently under various conditions, minimizing downtime and maintenance costs.

Installation and Compatibility

Proper installation of the Cummins Injector Part #3073574 is crucial for ensuring optimal performance and compatibility with Cummins engine models. Installation procedures should follow manufacturer guidelines to ensure that the injector is securely fitted and functions correctly within the fuel delivery system. Compatibility with various Cummins engine models is an important consideration, as it ensures that the injector part will integrate seamlessly with the engine’s existing components, contributing to efficient and reliable operation.

Maintenance and Troubleshooting

Maintaining the Cummins Injector Part #3073574 is essential for ensuring its optimal performance and longevity. Regular inspection intervals and cleaning procedures are recommended to prevent buildup and ensure that the injector operates efficiently. Common issues that may arise include clogged injectors or leaks, which can be identified through routine checks and addressed promptly to avoid further complications. Troubleshooting tips for resolving potential problems include verifying the injector’s fit and function, checking for proper fuel pressure, and ensuring that all connections are secure.

Performance Enhancements

The Cummins Injector Part #3073574 contributes to overall engine performance by enhancing power output, torque, and fuel economy. Its precise fuel delivery and advanced technological features play a role in optimizing combustion, which directly impacts the engine’s efficiency and performance. By ensuring that fuel is atomized and distributed evenly, the injector helps to achieve a more complete burn, leading to improved power output and fuel economy. Additionally, its robust construction and reliability contribute to the engine’s consistent performance under various operating conditions.

Safety Considerations

When working with the Cummins Injector Part #3073574, it is important to observe safety considerations to ensure a safe working environment. Proper handling procedures should be followed, including the use of appropriate safety equipment such as gloves and eye protection. Potential hazards associated with fuel system components, such as fuel leaks or high-pressure fuel lines, should be addressed with caution. Ensuring that the work area is well-ventilated and free from ignition sources is also crucial when working with fuel system components.

Environmental Impact

The use of the Cummins Injector Part #3073574 contributes to reducing emissions and promoting cleaner combustion. Its precise fuel delivery and advanced features help to optimize the fuel-air mixture, leading to more efficient combustion and reduced emissions. By ensuring that fuel is atomized and distributed evenly, the injector plays a role in minimizing the release of harmful pollutants into the environment. This contributes to the overall goal of promoting cleaner and more sustainable transportation solutions 2.

Cummins Overview

Cummins Inc. is a leading manufacturer of diesel engines and related components, with a reputation for innovation and quality in the industry. Established with a commitment to excellence, Cummins has a history of developing reliable and efficient engine solutions for a wide range of applications, including heavy-duty trucks. The company’s dedication to research and development has resulted in a portfolio of products that meet the demanding requirements of modern transportation, contributing to its esteemed reputation in the industry.

Cummins Injector Part 3073574 Compatibility

The Cummins injector part number 3073574 is designed to fit seamlessly within several engine models. This part is engineered to deliver precise fuel injection, ensuring optimal performance and efficiency across various applications.

N14 MECHANICAL Engines

The Cummins injector part 3073574 is specifically designed to integrate with the N14 MECHANICAL engines. These engines are known for their robust construction and reliability, making them a popular choice in heavy-duty applications. The injector part 3073574 ensures that the N14 MECHANICAL engines maintain their performance standards by providing accurate fuel delivery.

Engine Groups

In addition to the N14 MECHANICAL engines, the injector part 3073574 is also compatible with several other engine groups. These include:

  • Cummins QSX Series: This series of engines is renowned for its power and efficiency, often used in on-highway and vocational applications. The injector part 3073574 is engineered to meet the stringent demands of these high-performance engines.

  • Cummins ISX Series: The ISX engines are another high-performance lineup from Cummins, widely used in both on-highway and off-highway applications. The injector part 3073574 ensures that these engines achieve their full potential in terms of power and fuel efficiency.

  • Cummins M11 Series: Known for their reliability and durability, the M11 engines are often used in a variety of applications, including construction and mining. The injector part 3073574 is designed to work flawlessly within these engines, providing consistent performance.

Installation and Maintenance

When installing the Cummins injector part 3073574, it is crucial to follow the manufacturer’s guidelines to ensure proper fit and function. Regular maintenance of the injector is also essential to prolong its lifespan and maintain engine performance. This includes routine inspections for leaks, wear, and proper fuel delivery.

Compatibility Summary

The Cummins injector part 3073574 is a versatile component that fits seamlessly within various engine models and groups. Its compatibility with the N14 MECHANICAL engines, as well as the QSX, ISX, and M11 series, underscores its importance in maintaining engine performance and efficiency. Proper installation and maintenance are key to leveraging the full potential of this injector part.

Role of Part 3073574 Injector in Engine Systems

The injector, specifically part 3073574, is an integral component within the fuel delivery system of an engine. Its primary function is to atomize fuel into the combustion chamber at precise moments, ensuring optimal fuel-air mixture for efficient combustion.

When the injector receives an electrical signal from the engine control unit (ECU), it opens and sprays fuel into the intake tract or directly into the combustion chamber, depending on whether the engine is port fuel injected or direct injected. This action is synchronized with the engine’s operational parameters such as RPM, load, and temperature, which are monitored by various sensors including the mass airflow sensor (MAF), manifold absolute pressure sensor (MAP), and oxygen sensors (O2).

The injector’s performance directly influences the engine’s power output, fuel efficiency, and emissions. It works in concert with the throttle body, which regulates the amount of air entering the engine, and the intake manifold, which distributes air to the cylinders. The injector must maintain consistent spray patterns and fuel delivery rates to prevent issues such as misfires or uneven cylinder performance.

Furthermore, the injector interacts with the fuel rail, which supplies pressurized fuel, and the fuel filter, which ensures that contaminants do not clog the injector nozzles. The fuel pump maintains the necessary pressure within the fuel system to enable the injector to perform its function effectively.

In diesel engines, the injector’s role is even more pronounced, as it must deliver fuel at extremely high pressures to achieve the necessary atomization for combustion in the absence of a spark plug. Here, the injector works alongside the glow plug system, which aids in cold-start conditions by preheating the combustion chamber.

Overall, the injector is a pivotal element in the orchestration of fuel delivery, playing a significant part in the engine’s performance and efficiency.

Conclusion

The Cummins Injector Part #3073574 is a critical component in the fuel delivery system of Cummins engines, designed to enhance engine performance, fuel efficiency, and reliability. Its precise fuel delivery, advanced technological features, and compatibility with various Cummins engine models make it a valuable asset for heavy-duty truck applications. Proper installation, maintenance, and adherence to safety considerations are essential for leveraging the full potential of this injector part, contributing to cleaner and more sustainable transportation solutions.


  1. Martyr, A.J. (2007). Engine Testing: Theory and Practice: Third Edition. SAE International.

  2. Carroll, Douglas R. (2020). Energy Efficiency of Vehicles. SAE International.

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* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
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* 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.