4937932
Injector Fuel Supply Tube
Cummins®

The Cummins Injector Fuel Supply Tube, identified by part number 4937932, is a critical component in the fuel system of heavy-duty trucks. Manufactured by Cummins Inc., a leader in the automotive and heavy-duty truck industries, this part ensures the efficient delivery of fuel from the fuel rail to the injectors. Its design and functionality are tailored to meet the demanding requirements of heavy-duty applications, contributing to the overall performance and reliability of the engine.

Function and Operation

The Injector Fuel Supply Tube operates by facilitating the transfer of fuel from the fuel rail to the injectors within the engine’s fuel system. This component acts as a conduit, ensuring that fuel is delivered at the precise pressure and volume required for optimal combustion. Its role is vital in maintaining the consistency and efficiency of fuel delivery, which directly impacts engine performance and emissions ¹.

Key Features

The Cummins Injector Fuel Supply Tube is characterized by its robust design and material composition. Constructed from high-quality materials, it is engineered to withstand the high pressures and temperatures inherent in heavy-duty truck engines. Its durability is enhanced by precision manufacturing processes, ensuring a tight fit and secure connection within the fuel system. Unique attributes such as corrosion resistance and flexibility further contribute to its performance and longevity ².

Role in Truck Operation

In the operation of a heavy-duty truck, the Injector Fuel Supply Tube plays a significant role in ensuring efficient fuel delivery. By maintaining a consistent fuel supply to the injectors, it contributes to stable engine performance and optimal combustion. This, in turn, supports the truck’s overall efficiency, power output, and reliability under various operating conditions ³.

Benefits

The advantages provided by the Cummins Injector Fuel Supply Tube include improved fuel efficiency, reduced emissions, and enhanced engine reliability. Its efficient design helps in minimizing fuel waste and ensuring that the engine operates at peak performance. Additionally, by contributing to cleaner combustion, it aids in reducing the truck’s environmental impact. The reliability of the fuel supply tube is also a key factor in maintaining the engine’s longevity and performance.

Installation and Compatibility

Proper installation of the Cummins Injector Fuel Supply Tube is crucial for its effective operation. It is designed to be compatible with specific Cummins engines, ensuring a seamless integration into the fuel system. Installation procedures should follow manufacturer guidelines to ensure correct fitting and operation. Specific requirements may include torque specifications for fastening and verification of fuel system integrity post-installation.

Maintenance and Troubleshooting

Routine maintenance of the Injector Fuel Supply Tube involves regular inspection for signs of wear, leaks, or damage. Cleaning procedures may be necessary to remove any contaminants that could affect its performance. Common troubleshooting steps include checking for proper fuel pressure and flow, inspecting connections for leaks, and ensuring the tube is free from obstructions. Addressing these issues promptly can prevent more significant problems and maintain the efficiency of the fuel system.

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 innovation, quality, and reliability in the automotive and heavy-duty truck industries. Its product offerings include a wide range of engines and components designed to meet the needs of various applications, from on-highway to off-highway and industrial uses. Cummins’ commitment to excellence and customer satisfaction has solidified its position as a trusted name in the industry.

Cummins Injector Fuel Supply Tube (Part 4937932) Compatibility

The Cummins Injector Fuel Supply Tube, identified by part number 4937932, is a critical component in the fuel delivery system of various Cummins engines. This part is designed to ensure a precise and reliable fuel supply to the injectors, which is essential for optimal engine performance and efficiency. Here is a detailed overview of its compatibility with specific Cummins engine models:

ISC CM2150 and ISL CM2150 Engines

The Injector Fuel Supply Tube (4937932) is compatible with the ISC CM2150 and ISL CM2150 engines. These engines are known for their robust design and are commonly used in a variety of applications, including heavy-duty trucks and industrial machinery. The part ensures that the fuel supply to the injectors is consistent, which is crucial for maintaining the engine’s power output and fuel economy.

ISC8.3 CM2250 and ISL9 CM2250 Engines

This fuel supply tube is also suitable for the ISC8.3 CM2250 and ISL9 CM2250 engines. These engines are part of the next generation of Cummins offerings, featuring advanced technology to enhance performance and reduce emissions. The 4937932 part number ensures that the fuel delivery system operates smoothly, contributing to the overall efficiency and reliability of these engines.

QSC9 CM2250/QSL9 CM2250 and QSL9 CM2250 Engines

The Injector Fuel Supply Tube (4937932) is also compatible with the QSC9 CM2250/QSL9 CM2250 and QSL9 CM2250 engines. These engines are designed for applications requiring high power and efficiency, such as marine and power generation. The part’s design ensures that the fuel supply remains uninterrupted, which is vital for the consistent performance of these engines in demanding environments.

By ensuring compatibility with these engines, the Cummins Injector Fuel Supply Tube (4937932) plays a crucial role in maintaining the integrity of the fuel delivery system, ultimately contributing to the overall performance and longevity of the engines.

Role of Part 4937932 Injector Fuel Supply Tube in Engine Systems

The 4937932 Injector Fuel Supply Tube is an integral component within the fuel delivery system of modern engines, particularly those utilizing advanced fuel injection technologies. Its primary function is to facilitate the precise delivery of fuel from the high-pressure fuel rail to the individual injectors.

Integration with Injector Plumbing

In the context of injector plumbing, the 4937932 tube serves as a conduit that ensures a consistent and reliable fuel flow. It is meticulously designed to withstand the high pressures and temperatures inherent in fuel injection systems, thereby maintaining the integrity of the fuel supply. This component is directly connected to the injectors, ensuring that each receives an equal and regulated amount of fuel, which is essential for optimal combustion and engine performance.

Role in Injector Supply Plumbing

Within the injector supply plumbing, the 4937932 tube plays a pivotal role in the overall efficiency of the fuel delivery system. It is engineered to minimize fuel leakage and ensure that the fuel reaches the injectors without contamination or degradation. This is particularly important in systems where fuel quality directly impacts engine performance and emissions.

Contribution to Overall Plumbing System

The 4937932 tube is a key element in the broader plumbing system of the engine. It interfaces with various components such as the fuel rail, injectors, and potentially the fuel return system. Its design allows for easy installation and replacement, which is a significant advantage during maintenance procedures. The tube’s material and construction are chosen to resist corrosion and wear, ensuring longevity and reliability in demanding engine environments.

Specific Application in XPI JV System Cummins MR

In the XPI JV System utilized by Cummins MR engines, the 4937932 tube is particularly significant. This system relies on high-pressure fuel delivery to achieve precise fuel metering and injection timing. The tube’s role in this context is to maintain the high-pressure fuel path from the rail to the injectors, ensuring that the XPI system operates within its designed parameters. This contributes to the system’s ability to deliver improved fuel efficiency, reduced emissions, and enhanced engine performance.

Conclusion

The Cummins Injector Fuel Supply Tube (4937932) is a vital component in the fuel delivery architecture of modern engines. Its precise engineering and robust construction are essential for the reliable operation of fuel injection systems, particularly in high-performance and high-efficiency engine designs. By ensuring a consistent and reliable fuel supply to the injectors, this part contributes to optimal engine performance, efficiency, and longevity.