3093312
Injector Fuel Supply Tube
Cummins®

The Injector Fuel Supply Tube, identified by part number 3093312 and manufactured by Cummins, is a vital component in the fuel system of heavy-duty trucks. Cummins, a renowned name in the automotive industry, specializes in producing high-quality components designed to enhance the performance and reliability of commercial vehicles. This particular part is engineered to meet the demanding requirements of heavy-duty truck applications, ensuring efficient and reliable fuel delivery ³.

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 system. Its primary role is to ensure that fuel is distributed evenly and under the correct pressure to each injector, which is crucial for maintaining engine performance. The tube is designed to withstand the high pressures and temperatures present in the fuel system, ensuring consistent fuel delivery and combustion efficiency ².

Key Features

The Injector Fuel Supply Tube is constructed from high-quality materials that offer durability and resistance to corrosion and wear. Its precision engineering ensures a tight fit within the fuel system, minimizing the risk of leaks and ensuring optimal fuel flow. The tube’s design includes features that enhance its performance and reliability, such as reinforced connections and smooth internal passages that reduce fuel turbulence and improve flow efficiency ¹.

Benefits

The use of the Injector Fuel Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered to the injectors with minimal loss or restriction. This efficient fuel delivery also enhances engine performance, allowing for more consistent and powerful combustion. Additionally, the tube’s design helps in reducing emissions by ensuring that fuel is delivered in a manner that promotes complete combustion. The durability and reliability of the tube also contribute to the increased longevity of the fuel system components ³.

Installation and Compatibility

Proper installation of the Injector Fuel Supply Tube is crucial for ensuring its effectiveness and the overall performance of the fuel system. It is compatible with a range of Cummins engine models, as well as other relevant truck makes and models. Detailed installation guidelines should be followed to ensure that the tube is securely fitted and functions as intended within the fuel system ³.

Maintenance and Troubleshooting

Routine maintenance of the Injector Fuel Supply Tube is important for ensuring its longevity and optimal performance. This includes regular inspections for signs of wear, corrosion, or leaks. Common issues may include blockages or restrictions within the tube, which can affect fuel flow. Diagnostic procedures should be followed to identify and address these issues, ensuring that the fuel system operates efficiently. Troubleshooting tips may include cleaning the tube or replacing it if significant wear or damage is detected ¹.

Safety Considerations

When working with the Injector Fuel Supply Tube, it is important to observe safety guidelines and precautions. This includes proper handling to avoid damage to the tube, secure storage to prevent contamination, and careful disposal procedures for any old or damaged components. Safety measures should also be in place to prevent fuel leaks, which can pose a fire hazard. Always follow manufacturer recommendations for handling and working with fuel system components ².

Cummins Corporation

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation for quality and innovation, Cummins is committed to producing high-quality automotive components for the commercial truck industry. The company’s history of excellence and dedication to customer satisfaction underscores its position as a trusted manufacturer in the automotive sector ³.

Compatibility

The Cummins Injector Fuel Supply Tube, identified by the part number 3093312, is a critical component in the fuel delivery system of various Cummins engines. This part ensures the efficient and reliable transfer of fuel from the fuel supply system to the injectors, which is essential for maintaining optimal engine performance.

QST30 CM552 Engines

The Injector Fuel Supply Tube (3093312) is specifically designed to fit seamlessly with the QST30 CM552 engines. This engine is known for its robust construction and high performance, making it a popular choice in various industrial and commercial applications. The compatibility of the injector fuel supply tube with the QST30 CM552 ensures that the engine can deliver consistent power and efficiency, even under demanding conditions ³.

Grouping of Compatible Engines

While the primary focus here is on the QST30 CM552 engines, it is important to note that the Injector Fuel Supply Tube (3093312) is also compatible with a range of other Cummins engines. This part is engineered to meet the stringent requirements of Cummins’ fuel delivery systems, ensuring a precise fit and reliable performance across multiple engine models ³.

Understanding the Role of Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube (Part 3093312) is an essential component in the fuel delivery system of an engine. It is responsible for transporting fuel from the fuel rail to the fuel injectors. This part ensures a consistent and reliable fuel supply, which is fundamental for the proper operation of the engine ³.

Integration with Key Engine Components

1. Fuel Rail: The Injector Fuel Supply Tube connects directly to the fuel rail, which distributes fuel to each injector. This connection ensures that fuel is evenly supplied to all cylinders, promoting balanced engine performance.

2. Fuel Injectors: Each fuel injector is supplied with fuel through the Injector Fuel Supply Tube. This direct connection allows for precise fuel delivery, which is vital for maintaining engine efficiency and performance.

3. Fuel Pump: While the fuel pump pressurizes the fuel and sends it to the fuel rail, the Injector Fuel Supply Tube ensures that this pressurized fuel reaches the injectors without any loss in pressure or flow.

4. Engine Control Unit (ECU): The ECU monitors and controls the fuel injection process. The consistent fuel supply provided by the Injector Fuel Supply Tube allows the ECU to make accurate adjustments to fuel delivery, optimizing engine performance and fuel economy.

5. Fuel Filter: Positioned upstream of the fuel rail, the fuel filter removes impurities from the fuel before it reaches the Injector Fuel Supply Tube. This ensures that clean fuel is delivered to the injectors, preventing clogs and ensuring smooth operation.

6. Fuel Pressure Regulator: This component works in conjunction with the fuel rail and Injector Fuel Supply Tube to maintain the correct fuel pressure. Proper pressure is essential for the injectors to atomize the fuel effectively, leading to better combustion and engine performance ³.

Impact on Engine Performance

The Injector Fuel Supply Tube plays a significant role in maintaining engine performance by ensuring a steady and uninterrupted fuel supply. This consistent fuel delivery helps in achieving:

• Smooth Engine Operation: Consistent fuel flow prevents misfires and ensures smooth engine running.
• Optimal Fuel Efficiency: Reliable fuel supply allows the ECU to optimize fuel injection, leading to better fuel economy.
• Enhanced Power Output: Proper fuel delivery ensures that the engine receives the right amount of fuel for combustion, maximizing power output.
• Reduced Emissions: Accurate fuel delivery contributes to more complete combustion, resulting in lower emissions ³.

Conclusion

In summary, the Injector Fuel Supply Tube (Part 3093312) is a vital link in the fuel delivery chain, ensuring that fuel is efficiently and reliably supplied to the engine’s fuel injectors. This component’s role in maintaining engine performance and efficiency cannot be overstated ³.