4916811
Injector Fuel Supply Tube
Cummins®

Introduction

The Fuel Injector Supply Tube, identified by Cummins Part #4916811, is a vital component in the fuel system of heavy-duty trucks. Manufactured by Cummins, a renowned name in the automotive industry, this part ensures the efficient delivery of fuel from the tank to the injectors, contributing significantly to the engine’s performance and reliability.

Function and Operation

The Fuel Injector Supply Tube facilitates the transfer of fuel from the tank to the injectors within the engine. It is designed to maintain a consistent fuel flow, which is essential for the engine’s combustion process. The tube connects to the fuel tank at one end and to the fuel injectors at the other, ensuring that fuel is delivered under the correct pressure and in the right quantity for optimal engine operation.

Key Features

The design and construction of the Fuel Injector Supply Tube are tailored for durability and efficiency. Made from high-quality materials, it is resistant to corrosion and capable of withstanding the high pressures and temperatures within the fuel system. Its robust construction ensures longevity and reliable performance, even under demanding operating conditions. Additionally, the tube is engineered with precision to ensure a secure fit and leak-free operation.

Benefits

The Fuel Injector Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered to the injectors with minimal loss or leakage. This efficient fuel delivery enhances engine performance, allowing for smoother operation and better power output. Furthermore, the tube’s reliable construction ensures consistent performance, reducing the likelihood of fuel system failures and contributing to the overall reliability of the vehicle.

Installation and Compatibility

Proper installation of the Fuel Injector Supply Tube is vital for its effective operation. It is designed to be compatible with various Cummins engine models, ensuring a seamless integration into the fuel system. During installation, it is important to follow manufacturer guidelines to ensure a secure fit and proper alignment with other fuel system components. Specific requirements may include the use of compatible fittings and seals to prevent leaks and ensure optimal performance.

Maintenance and Troubleshooting

Regular maintenance of the Fuel Injector Supply Tube is key to ensuring its optimal performance. This includes periodic inspections for signs of wear, corrosion, or damage. Cleaning the tube and its connections can prevent blockages and ensure smooth fuel flow. Addressing common issues such as leaks or blockages promptly can prevent more serious fuel system problems and maintain the efficiency of the engine.

Common Issues and Solutions

Typical problems that may arise with the Fuel Injector Supply Tube include leaks, blockages, and corrosion. Leaks can often be traced to loose connections or damaged seals, which can be rectified by tightening connections or replacing seals. Blockages may require cleaning or, in some cases, replacement of the tube. Corrosion can be mitigated through regular inspection and the use of corrosion-resistant materials or coatings.

Cummins 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 manufacturing high-quality components for commercial vehicles. The company’s commitment to innovation, quality, and customer satisfaction is reflected in its wide range of products, including the Fuel Injector Supply Tube, which is designed to meet the rigorous demands of heavy-duty applications.

Cummins Engine Compatibility with Fuel Injector Supply Tube Part 4916811

The Cummins part number 4916811, identified as a Fuel Injector Supply Tube, is a critical component in the fuel delivery system of various Cummins engines. This part is designed to ensure the efficient and reliable transfer of fuel from the fuel pump to the fuel injectors, which is essential for maintaining optimal engine performance and fuel economy.

QSK60 Engine Series

The QSK60 engine series, known for its robust design and high power output, utilizes the Fuel Injector Supply Tube part 4916811. This part is integral to the QSK60’s fuel system, ensuring that the injectors receive the correct amount of fuel under varying operating conditions. The QSK60 engines are typically used in heavy-duty applications, including marine and industrial settings, where reliability and performance are paramount.

CM850 Engine Series

The CM850 engine series, another high-performance line from Cummins, also incorporates the Fuel Injector Supply Tube part 4916811. This part is crucial for the CM850’s fuel delivery system, facilitating the precise delivery of fuel to the injectors. The CM850 engines are often found in on-highway and vocational applications, where they are valued for their durability and efficiency.

MCRS Engine Series

The MCRS engine series, which is part of Cummins’ range of medium-duty engines, also utilizes the Fuel Injector Supply Tube part 4916811. This component is essential for the MCRS engines’ fuel system, ensuring that the injectors operate correctly and efficiently. The MCRS engines are commonly used in medium-duty trucks and buses, where they provide a balance of power and fuel economy.

By integrating the Fuel Injector Supply Tube part 4916811, Cummins ensures that these engines maintain their performance and reliability, meeting the demands of various heavy-duty applications.

Role of Part 4916811 Fuel Injector Supply Tube in Engine Systems

The part 4916811 Fuel Injector Supply Tube is an integral component in the fuel delivery system of an engine. It works in conjunction with several other components to ensure efficient and precise fuel delivery to the combustion chambers.

Interaction with Fuel Supply Plumbing

The Fuel Injector Supply Tube connects to the fuel supply plumbing, which includes fuel lines, filters, and the fuel rail. This tube facilitates the transfer of fuel from the supply lines to the fuel injectors. The design and material of the tube ensure that fuel is delivered under the correct pressure and flow rate, which is essential for maintaining engine performance and efficiency.

Coordination with Fuel Injectors

Once fuel passes through the supply tube, it reaches the fuel injectors. The injectors atomize the fuel into a fine mist, which is then sprayed into the intake ports or directly into the combustion chambers. The consistent and reliable fuel flow provided by the supply tube is vital for the injectors to operate correctly, ensuring that the air-fuel mixture is optimal for combustion.

Influence on Performance Parts

In engines equipped with performance parts, such as high-flow fuel injectors or upgraded fuel pumps, the Fuel Injector Supply Tube plays a significant role. These performance enhancements demand a robust and efficient fuel delivery system. The supply tube must be capable of handling increased fuel volumes and pressures without restriction, ensuring that the performance parts function as intended and deliver the expected gains in power and efficiency.

Impact on Camshaft Timing

Although the Fuel Injector Supply Tube does not directly interact with the camshaft, its role in fuel delivery indirectly affects camshaft timing. Proper fuel delivery ensures that the air-fuel mixture is combusted at the correct moment in the engine cycle. This timing is critical for maximizing engine performance and efficiency, and any inconsistencies in fuel delivery can lead to misfires or inefficient combustion, impacting the overall engine operation.

Conclusion

The Fuel Injector Supply Tube, Cummins Part #4916811, is a critical component in the fuel delivery system of heavy-duty engines. Its role in ensuring efficient and reliable fuel delivery to the injectors is essential for maintaining optimal engine performance and fuel economy. Proper installation, regular maintenance, and prompt troubleshooting of common issues are key to ensuring the longevity and reliability of this Cummins part. By integrating this component, Cummins ensures that their engines meet the rigorous demands of various heavy-duty applications, providing reliable and efficient performance.