2894829
Injector Fuel Supply Connector
Cummins®

Introduction

The Cummins Injector Fuel Supply Connector, part number 2894829, is a critical component designed to facilitate the delivery of fuel from the fuel rail to the injectors in heavy-duty trucks. Its primary function is to ensure a consistent and reliable supply of fuel, which is vital for the efficient operation of the engine. This connector maintains the integrity of the fuel system by providing a secure and leak-free connection between the fuel rail and the injector.

Basic Concepts

Fuel injectors are responsible for delivering precise amounts of fuel into the engine’s combustion chambers. They operate under high pressure to atomize the fuel, ensuring it mixes efficiently with air for optimal combustion. The fuel supply connector is integral to this process, as it provides the necessary pathway for fuel to travel from the fuel rail to the injector. Together, these components work to maintain the fuel system’s pressure and deliver fuel consistently ¹.

Functionality

The Cummins Injector Fuel Supply Connector operates by creating a sealed connection between the fuel rail and the injector. This connection allows fuel to flow from the rail, which stores pressurized fuel, to the injector, which dispenses it into the engine. The connector is designed to withstand high pressures and temperatures, ensuring that fuel delivery remains uninterrupted. It interacts with other components such as the fuel injector and fuel rail to maintain the system’s overall functionality ².

Role in Truck Operation

The Injector Fuel Supply Connector contributes to the efficient and reliable delivery of fuel, which is fundamental to the truck’s performance and efficiency. By ensuring a consistent fuel supply, it helps maintain engine power and fuel economy. Its reliable operation is crucial for the truck’s ability to perform under various driving conditions, from idle to high-speed cruising.

Key Features

The Cummins Injector Fuel Supply Connector is characterized by its robust design and the use of high-quality materials. It is engineered to resist corrosion and wear, enhancing its durability. The connector’s design includes features that ensure a tight seal, preventing fuel leaks that could compromise engine performance or pose safety risks. Its construction is tailored to meet the demanding requirements of heavy-duty truck applications ³.

Benefits

The advantages of the Cummins Injector Fuel Supply Connector include improved fuel efficiency, as it ensures that fuel is delivered to the injectors without loss or leakage. This can lead to better engine performance, as the injectors receive a consistent and pressurized fuel supply. Additionally, the connector’s reliable operation contributes to the overall reliability of the fuel system, reducing the likelihood of engine misfires or performance issues.

Troubleshooting and Maintenance

Common issues with the Injector Fuel Supply Connector may include leaks or a loose connection, which can affect fuel delivery and engine performance. Regular inspection and maintenance are recommended to ensure the connector remains in good condition. This may involve checking for signs of wear or corrosion, ensuring the connection is secure, and replacing the connector if any damage is detected. Proper maintenance practices can help prevent issues and ensure the connector continues to function effectively.

About Cummins

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 is renowned for its innovation and commitment to quality in the field of diesel engine technology. The company’s products are designed to deliver reliable performance in a wide range of applications, from on-highway transportation to industrial and construction equipment.

Compatibility with Specific Engine Models

The Cummins Injector Fuel Supply Connector, part number 2894829, is compatible with the following engine models:

• ISX15 CM2250 and ISX15 CM2250 SN
• ISX15 CM2350 X101
• QSX15 CM2250 and QSX15 CM2250 ECF
• QSX15 CM2350 X105
• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2450 X134B

This part is engineered to fit seamlessly with these engine models, ensuring compatibility across a range of Cummins’ ISX and QSX series engines. It is essential for maintaining the integrity of the fuel system, which is crucial for optimal engine performance and longevity.

Integration with the XPI JV System Cummins HD

In the XPI JV System Cummins HD, the Injector Fuel Supply Connector plays a significant role by:

• Facilitating Fuel Delivery: It connects the high-pressure fuel lines to the injectors, ensuring that fuel is delivered at the precise pressure and timing required for combustion.
• Maintaining System Integrity: By providing a secure connection, it prevents fuel leaks and maintains the integrity of the fuel system, which is vital for consistent engine performance.
• Supporting High-Pressure Operation: The connector is designed to withstand the high pressures characteristic of the XPI system, ensuring durable and reliable operation.

Role in Overhaul Kits

When included in an overhaul kit, the Injector Fuel Supply Connector:

• Enhances Reliability: Replaces worn or damaged connectors, restoring the fuel system’s reliability and performance.
• Simplifies Installation: Ensures that the fuel supply system is correctly reassembled during an engine overhaul, reducing the risk of installation errors.
• Improves Performance: Contributes to the overall performance enhancement of the engine by ensuring a consistent fuel supply to the injectors.

Contribution to Performance and Plumbing

In the broader context of performance and plumbing:

• Optimizes Fuel Flow: The connector optimizes the fuel flow to the injectors, which is essential for achieving peak performance in high-demand applications.
• Ensures Precise Fuel Metering: Accurate fuel metering is critical for engine efficiency and power output, and the connector plays a key role in this process.
• Supports System Plumbing: It is a vital component in the fuel system’s plumbing, ensuring that all connections are secure and functioning as intended.

Interaction with Injectors

The relationship between the Injector Fuel Supply Connector and the injectors is symbiotic:

• Consistent Fuel Supply: The connector ensures a consistent and pressurized fuel supply to each injector, which is necessary for precise fuel injection.
• Reduced Wear: By maintaining a secure and leak-free connection, it reduces wear on the injectors and other fuel system components.
• Enhanced Efficiency: A well-maintained fuel supply system leads to enhanced engine efficiency and reduced emissions.

Conclusion

The Cummins Injector Fuel Supply Connector (Part 2894829) is a fundamental component in ensuring the reliable and efficient operation of fuel systems in high-performance diesel engines, particularly within the XPI JV System Cummins HD and similar applications. Its robust design, compatibility with specific engine models, and critical role in maintaining system integrity and performance make it an indispensable part of the fuel delivery system.