3073573
Injector Cup
Cummins®

Introduction

The Cummins Injector Cup, identified by part number 3073573, is a component integral to the fuel injection system of heavy-duty trucks. Its role is to ensure the proper functioning of the fuel injector within the cylinder head, contributing to the overall efficiency and performance of the engine. Understanding its purpose and significance is key to maintaining the optimal operation of heavy-duty truck engines.

Purpose and Function

This part serves a vital role in the fuel injection system by sealing the injector within the cylinder head. This seal is crucial for maintaining the integrity of fuel pressure, ensuring that fuel is delivered to the combustion chamber at the correct pressure and timing. By doing so, the Injector Cup helps in achieving efficient combustion, which is fundamental for the engine’s performance and fuel efficiency ¹.

Key Features

The Cummins Injector Cup is designed with specific characteristics to withstand the demanding conditions within a truck engine. Crafted from durable materials, it exhibits high resistance to temperatures and pressures that are typical in heavy-duty applications. Its design ensures compatibility with Cummins engines, providing a reliable seal that contributes to the engine’s longevity and performance ².

Benefits

Utilizing the Cummins Injector Cup offers several advantages. It contributes to improved engine performance by ensuring precise fuel delivery. Additionally, it enhances fuel efficiency by maintaining optimal fuel pressure and reducing the risk of fuel leaks. The robust design of the Injector Cup also aids in minimizing engine wear and tear, leading to a more reliable operation over time ³.

Installation Process

Proper installation of the Cummins Injector Cup is crucial for its effective performance. The process involves carefully following manufacturer guidelines to ensure the cup is correctly positioned and sealed within the cylinder head. Attention to detail during installation helps in achieving optimal performance and longevity of the component ⁴.

Common Issues and Troubleshooting

Injector Cups may encounter issues such as leaks or failures over time. Common problems include improper sealing, which can lead to fuel leaks or inefficient combustion. Troubleshooting these issues often involves inspecting the cup for signs of wear or damage and ensuring it is correctly installed. In cases of failure, replacement with a new Injector Cup is recommended to restore the engine’s performance.

Maintenance Tips

To prolong the lifespan of the Cummins Injector Cup and ensure reliable operation, regular maintenance is advised. This includes periodic inspections for signs of wear or damage, cleaning the cup to remove any deposits that may affect its sealing capability, and following manufacturer recommendations for replacement intervals. Adhering to these maintenance practices helps in maintaining the engine’s efficiency and performance.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the automotive industry, known for its commitment to innovation and quality. With a rich history of producing reliable and high-performance engines and components, Cummins has established a strong reputation for excellence. The company’s dedication to advancing technology and improving product offerings underscores its position as a leader in the manufacturing of automotive components.

Cummins Injector Cup (Part 3073573) Compatibility

This Cummins part, part number 3073573, is a critical component in the fuel injection system of various Cummins engines. It is designed to fit seamlessly with the following engines:

N14 Mechanical Engines

The N14 Mechanical engine, known for its robust design and reliability, utilizes the Injector Cup 3073573 as a vital part of its fuel delivery system. This engine is commonly found in heavy-duty applications, including trucks and industrial machinery, where durability and performance are paramount.

Grouping of Engines

The Injector Cup 3073573 is engineered to ensure compatibility across multiple engine configurations within the N14 Mechanical series. This standardization allows for easier maintenance and repair, as the same part can be used across different engine models, reducing the need for specialized inventory.

By ensuring that the Injector Cup 3073573 fits precisely with the N14 Mechanical engines, Cummins maintains high levels of performance and reliability in its fuel injection systems. This compatibility is crucial for the efficient operation of these engines, contributing to their widespread use in various demanding applications.

Role of Part 3073573 Injector Cup in Engine Systems

The injector cup, specifically part 3073573, is a vital component in the fuel injection system of an engine. It serves as a protective sleeve for the injector tip, ensuring that the high-pressure fuel is properly directed into the combustion chamber.

In the context of the fuel injector, the injector cup isolates the injector tip from the cylinder pressure, which can reach extremely high levels during combustion. This isolation helps maintain the integrity of the injector tip and ensures consistent fuel delivery.

Additionally, the injector cup plays a role in thermal management. It helps dissipate heat away from the injector tip, preventing overheating and potential damage to the injector. This is particularly important in diesel engines, where combustion temperatures are significantly higher compared to gasoline engines.

The injector cup also contributes to the sealing mechanism within the cylinder. By providing a secure fit around the injector, it helps prevent fuel leakage into the cylinder, which could lead to inefficient combustion and increased emissions.

Furthermore, the injector cup is involved in the overall durability and longevity of the fuel injector. By withstanding the harsh environment of the combustion chamber, it allows the injector to operate reliably over extended periods, reducing the need for frequent replacements.

Conclusion

In summary, the Cummins Injector Cup (part number 3073573) is an integral component that enhances the performance, efficiency, and reliability of the fuel injection system in engine applications. Its proper installation, maintenance, and understanding of its role within the engine system are crucial for the optimal operation of heavy-duty truck engines.