5288695
Injector Fuel Supply Tube
Cummins®

The Fuel Injector Supply Tube (5288695) by Cummins is a component designed to facilitate the delivery of fuel from the fuel rail to the injectors in commercial trucks. This part is integral to the efficient operation of the fuel system, ensuring that fuel is supplied consistently and under the correct pressure to the injectors, which in turn contributes to the overall performance and efficiency of the engine ¹.

Basic Concepts

Fuel injector supply tubes are fundamental components within the fuel system of diesel engines. Their primary function is to transport fuel from the fuel rail to the individual fuel injectors. This process is vital for maintaining the precise fuel delivery required for optimal engine performance. The supply tube must be capable of withstanding high pressures and temperatures, ensuring a reliable and consistent fuel flow to the injectors ².

Purpose and Function

The Fuel Injector Supply Tube (5288695) plays a significant role in the operation of a truck by ensuring that fuel is delivered efficiently from the fuel rail to the injectors. This component contributes to engine efficiency by maintaining the integrity of the fuel supply line, which is crucial for the injectors to operate correctly. Proper fuel delivery is fundamental for achieving the desired combustion process, which directly impacts engine performance and fuel economy ³.

Key Features

The Fuel Injector Supply Tube (5288695) is constructed from high-quality materials that offer durability and resistance to the high pressures and temperatures encountered within the fuel system. Its design includes precise engineering to ensure a secure fit within the fuel system, minimizing the risk of leaks and ensuring consistent fuel delivery. Additionally, the tube may feature specific design elements that enhance its performance, such as reinforced sections to withstand pressure fluctuations and corrosion-resistant coatings to prolong its service life.

Benefits

Utilizing the Fuel Injector Supply Tube (5288695) offers several advantages, including improved fuel efficiency due to its role in maintaining consistent fuel delivery to the injectors. This consistent delivery contributes to enhanced engine performance, as the injectors can operate under optimal conditions. Furthermore, the durability and reliability of this component ensure that it can withstand the demanding operating conditions typical of commercial truck applications, providing long-term value and performance.

Installation and Compatibility

Proper installation of the Fuel Injector Supply Tube (5288695) is crucial for ensuring optimal performance and compatibility with Cummins engines. Installation procedures should follow manufacturer guidelines to ensure a secure and leak-free connection within the fuel system. Specific requirements may include torque specifications for fittings and verification of compatibility with the engine model to ensure seamless integration into the fuel delivery system.

Maintenance and Troubleshooting

Regular maintenance of the Fuel Injector Supply Tube (5288695) is important for ensuring its continued performance and durability. Maintenance practices may include periodic inspections for signs of wear, leaks, or corrosion. Troubleshooting common issues, such as fuel leaks or inconsistent fuel delivery, may involve diagnostic procedures to identify the source of the problem, followed by appropriate repairs or replacements as necessary. Adhering to recommended maintenance intervals can help prevent issues and ensure the longevity of the component.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a strong reputation within the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The Fuel Injector Supply Tube (5288695) is part of Cummins’ extensive product lineup, designed to meet the high standards of performance and reliability expected in commercial truck applications.

Cummins Fuel Injector Supply Tube (Part 5288695)

The Cummins Fuel Injector Supply Tube, part number 5288695, is a critical component in the fuel delivery system of several Cummins engines. This part ensures that fuel is delivered efficiently and accurately to the fuel injectors, which is essential for maintaining optimal engine performance and fuel efficiency.

Compatible Engines

The Fuel Injector Supply Tube is designed to fit the following Cummins engines:

• 6C8.3
• ISL9 CM2150 SN
• ISL9.5 CM2880 L138
• L8.9 CM2670 L134C
• L9 CM2670 L128B
• QSC8.3 CM2880 C102
• QSL9 CM850 (CM2850)
• QSL9.3 CM2880 L113

Grouping of Compatible Engines

The engines listed above can be grouped based on their series and specifications:

• ISL Series:

  • ISL9 CM2150 SN
  • ISL9.5 CM2880 L138
  • QSL9 CM850 (CM2850)
  • QSL9.3 CM2880 L113

• QSC Series:

  • QSC8.3 CM2880 C102

• L Series:

  • L8.9 CM2670 L134C
  • L9 CM2670 L128B

• 6C Series:

  • 6C8.3

Each of these engines relies on the precise delivery of fuel to the injectors, and the Fuel Injector Supply Tube plays a pivotal role in ensuring that the fuel is delivered without leaks or contamination. This part is engineered to withstand the high pressures and temperatures found in diesel engines, making it a durable and reliable component.

Role of Part 5288695 Fuel Injector Supply Tube in Engine Systems

The Fuel Injector Supply Tube (part 5288695) is an integral component in the fuel delivery system of an engine, ensuring efficient and precise fuel distribution to the injectors. This component interfaces with several key engine systems to maintain optimal performance.

Integration with Injector Plumbing

The Fuel Injector Supply Tube is directly connected to the injector plumbing, which includes the fuel rails and the individual fuel injectors. Its primary function is to deliver pressurized fuel from the fuel pump to these injectors. The tube ensures a consistent fuel supply, which is essential for the injectors to atomize fuel effectively into the combustion chamber.

Interaction with Fuel Injectors

Each fuel injector is supplied with fuel through this tube, allowing for precise control over the fuel-air mixture. The design of the tube minimizes fuel line restrictions, ensuring that each injector receives an equal amount of fuel under varying engine loads and RPMs. This uniformity is vital for maintaining engine performance and efficiency.

Relationship with the Camshaft

Although the camshaft itself does not directly interact with the Fuel Injector Supply Tube, the timing of the camshaft influences the operation of the fuel injectors. The camshaft controls the opening and closing of the intake and exhaust valves, which in turn affects the air-fuel mixture entering the combustion chamber. The Fuel Injector Supply Tube must deliver fuel in sync with the camshaft’s timing to ensure optimal combustion.

Impact on Engine Performance

The efficiency of the Fuel Injector Supply Tube directly impacts engine performance. A well-functioning tube ensures that fuel is delivered consistently and under the correct pressure, which is essential for smooth engine operation, power output, and fuel economy. Any malfunction or restriction in the tube can lead to uneven fuel distribution, resulting in decreased performance and potential engine damage.

Conclusion

In summary, the Fuel Injector Supply Tube (part 5288695) plays a significant role in the fuel delivery system by ensuring a steady and pressurized supply of fuel to the injectors. Its integration with the injector plumbing and synchronization with the camshaft are essential for maintaining engine performance and efficiency.