3066916
Injector Cup
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$109.95 $130.84

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 Injector Cup, identified by part number 3066916, is a critical component in the fuel injection system of heavy-duty trucks. It ensures the proper functioning of the fuel injector by maintaining fuel pressure and providing a seal that prevents fuel leakage. This part is significant in the operation of heavy-duty trucks, contributing to efficient fuel delivery and overall engine performance.

Basic Concepts of Injector Cups

An injector cup is a cylindrical component that houses the fuel injector within the engine cylinder. It serves as a seal between the injector and the cylinder, ensuring that fuel is delivered under pressure without leakage. The injector cup interacts closely with the fuel injector, cylinder head, and other fuel system components to facilitate the precise delivery of fuel into the combustion chamber.

Purpose of the Cummins Injector Cup

The Cummins Injector Cup plays a role in the operation of a truck by maintaining the integrity of the fuel injection system. It ensures that fuel is delivered at the correct pressure and that there is a secure seal around the injector to prevent fuel from leaking into the engine cylinder. This function is vital for the efficient operation of the engine, as it directly affects fuel economy, power output, and emissions.

Key Features of the Cummins Injector Cup

The Cummins Injector Cup is characterized by several key features that enhance its performance. It is typically made from high-strength materials to withstand the high pressures and temperatures within the engine. The design of the cup includes precise machining to ensure a tight fit with the injector and cylinder head. Additionally, it may feature unique characteristics such as anti-leakage designs or enhanced sealing surfaces to improve its functionality.

Benefits of Using the Cummins Injector Cup

Utilizing the Cummins Injector Cup offers several advantages. It contributes to improved engine performance by ensuring efficient fuel delivery. The durable construction of the cup enhances the longevity of the fuel injection system, reducing the need for frequent replacements. Furthermore, the reliable sealing provided by the cup helps maintain consistent fuel pressure, which is crucial for optimal engine operation.

Installation Process

Installing the Cummins Injector Cup requires careful attention to detail to ensure proper fitting. The process involves removing the old cup, cleaning the cylinder head surface, and then pressing the new cup into place using specialized tools. It is important to follow manufacturer guidelines to avoid damage to the cup or surrounding components. Proper installation is key to ensuring the cup functions correctly within the fuel injection system.

Common Issues and Troubleshooting

Injector cups can encounter issues such as leaks or failures, which may affect engine performance. Common problems include cup cracking, improper sealing, or damage from high pressure and temperature. Troubleshooting these issues involves inspecting the cup for signs of wear or damage, checking the fit within the cylinder head, and ensuring that the fuel injector is correctly seated. Addressing these problems promptly can help maintain the efficiency and reliability of the fuel injection system.

Maintenance Tips

Regular maintenance of the Cummins Injector Cup is important to prolong its life and ensure optimal engine performance. This includes periodic inspection for signs of wear, such as cracks or leaks, and cleaning the cup and surrounding areas to prevent buildup that could affect its sealing capability. Following the manufacturer’s recommended maintenance schedule and guidelines can help identify potential issues before they lead to more significant problems.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel engines and components. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the automotive industry. The company’s product range includes engines, filtration systems, and power generation equipment, all designed to meet the demanding requirements of heavy-duty applications.

Cummins Injector Cup 3066916 Compatibility

The Cummins Injector Cup, part number 3066916, is designed to work seamlessly with several Cummins engine models, ensuring optimal performance and reliability. This part is compatible with various engine groups, including the L10 Mechanical engines, which are known for their robust construction and durability. The injector cup plays a vital role in maintaining the precision and efficiency of the fuel injection process in these engines.

Role of Part 3066916 Injector Cup in Engine Systems

The 3066916 Injector Cup is a pivotal component in the fuel injection system of an engine. It is designed to provide a secure and reliable seal between the injector and the cylinder head, ensuring that fuel is delivered efficiently and precisely into the combustion chamber.

Integration with Injectors

When the injector is activated, it sprays fuel into the combustion chamber through the injector cup. The cup’s design helps to direct the fuel spray pattern, enhancing atomization and mixing with air for optimal combustion. This results in improved engine performance and efficiency.

Contribution to Performance Parts

In the realm of performance parts, the 3066916 Injector Cup plays a significant role. High-performance engines often require modifications to achieve greater power output and efficiency. The injector cup, by ensuring a consistent and reliable fuel delivery, supports these modifications. It works in conjunction with upgraded injectors to handle increased fuel flow rates, which are common in performance-tuned engines.

Interaction with Cylinder Head

The cylinder head is another component where the injector cup’s function is vital. The cup must fit precisely within the cylinder head to maintain the integrity of the combustion chamber. Any gap or misalignment can lead to fuel leakage, reduced compression, and ultimately, decreased engine performance. The injector cup’s design is tailored to complement the specific geometry and material of the cylinder head, ensuring a tight and durable seal.

Impact on Engine Performance

Overall, the 3066916 Injector Cup is integral to maintaining engine performance. It ensures that fuel is delivered in the right quantity and at the right time, which is essential for consistent combustion and power output. In high-performance applications, the reliability and efficiency of the injector cup can mean the difference between optimal engine operation and potential performance issues.

Conclusion

The Cummins Injector Cup, part number 3066916, is a critical component in the fuel injection system of heavy-duty trucks. Its role in maintaining fuel pressure, providing a secure seal, and ensuring efficient fuel delivery is vital for the overall performance and reliability of the engine. Proper installation, regular maintenance, and prompt troubleshooting of common issues are essential to maximize the benefits of this part.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
5.6 x 0.9 x 0.88 in
Weight
0.35 lb
* 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.