4947887
Fuel Supply Tube
Cummins®

Introduction

The Cummins 4947887 Fuel Supply Tube is a critical component in the fuel system of heavy-duty trucks, designed to facilitate the transfer of fuel from the tank to the engine. This part ensures a consistent and reliable fuel supply, which is essential for optimal engine performance and efficiency ⁴.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube serves as a conduit for fuel, carrying it from the storage tank to the engine. Within the fuel system, it provides a pathway for fuel to travel, ensuring a steady supply necessary for combustion. The efficiency and reliability of this tube are vital for the overall performance and longevity of the engine ¹.

Purpose of the Cummins 4947887 Fuel Supply Tube

The Cummins 4947887 Fuel Supply Tube is engineered to deliver fuel efficiently from the tank to the engine. It ensures that the fuel system maintains a consistent flow, which is necessary for the engine’s operation. This component is integral to the fuel delivery process, impacting the engine’s performance and the truck’s overall efficiency ².

Key Features

The Cummins 4947887 Fuel Supply Tube is constructed with materials that offer durability and resistance to the corrosive effects of fuel. Its design includes features that enhance its performance, such as precise engineering to ensure a secure fit and optimal fuel flow. The tube’s construction is tailored to withstand the demands of heavy-duty applications, providing reliable service under various operating conditions ³.

Benefits

The Cummins 4947887 Fuel Supply Tube offers several advantages, including improved fuel delivery efficiency and reliability. By ensuring a consistent fuel supply, it contributes to enhanced engine performance and potentially better fuel economy. Its robust design and construction also mean it can withstand the rigors of heavy-duty use, providing long-lasting service ⁴.

Installation Process

Installing the Cummins 4947887 Fuel Supply Tube requires attention to detail to ensure proper alignment and secure fitting. The process involves disconnecting the old tube, cleaning the area, and carefully positioning the new tube to ensure a leak-free connection. Tools such as wrenches and possibly a fuel line disconnect tool may be necessary. It’s important to follow manufacturer guidelines to ensure correct installation ¹.

Common Issues and Troubleshooting

Typical problems with fuel supply tubes can include leaks, clogs, or damage from wear and tear. Troubleshooting may involve inspecting the tube for visible signs of damage, checking connections for tightness, and ensuring there are no obstructions in the fuel line. Solutions can range from simple repairs or replacements to more complex adjustments within the fuel system ².

Maintenance Tips

Regular maintenance of the Cummins 4947887 Fuel Supply Tube is key to ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear or damage, cleaning the area around the connections to prevent debris buildup, and ensuring all connections are tight. Adhering to recommended inspection intervals can help identify potential issues before they become significant problems ³.

Safety Considerations

When working with the fuel system and the Cummins 4947887 Fuel Supply Tube, it’s important to observe safety guidelines. This includes ensuring the engine is off and the fuel system is depressurized before beginning any work. Proper handling of fuel and adherence to manufacturer recommendations are crucial to prevent accidents and ensure safe operation ⁴.

Cummins Overview

Cummins Inc. is a leader in the design and manufacture of diesel engines, with a strong reputation in the automotive and heavy-duty truck industry. The company is known for its commitment to quality and innovation, providing reliable and efficient engine solutions for a wide range of applications. Cummins’ products are designed with durability and performance in mind, catering to the demanding needs of heavy-duty operations ¹.

Cummins Fuel Supply Tube 4947887 Compatibility

The Cummins Fuel Supply Tube part number 4947887 is designed to fit seamlessly within a range of engine models, ensuring efficient fuel delivery and maintaining optimal engine performance. This part is engineered to meet the stringent requirements of Cummins engines, providing a reliable connection between the fuel supply system and the engine.

Engine Compatibility

• 6B5.9 Series: The 4947887 Fuel Supply Tube is specifically engineered to fit the 6B5.9 engines. This engine series is known for its robust design and high performance, making it a popular choice in various applications. The fuel supply tube ensures that the engine receives a consistent and uninterrupted fuel flow, which is crucial for maintaining engine efficiency and longevity ².

• Other Cummins Engines: While the primary focus is on the 6B5.9 series, the 4947887 Fuel Supply Tube is also compatible with other Cummins engines that share similar design and operational requirements. This compatibility extends to various engine models within the Cummins lineup, ensuring that the part can be used across different applications without compromising on performance ³.

Installation and Usage

When installing the Cummins Fuel Supply Tube 4947887, it is essential to follow the manufacturer’s guidelines to ensure a proper fit and function. The tube is designed to connect critical components of the fuel system, ensuring that fuel is delivered to the engine at the correct pressure and flow rate. This is vital for maintaining engine performance and preventing potential issues such as fuel starvation or leaks ⁴.

Importance of Proper Fitment

Using the correct fuel supply tube is crucial for the overall health and performance of the engine. An improperly fitted or damaged fuel supply tube can lead to a variety of issues, including reduced engine efficiency, increased fuel consumption, and potential engine damage. The 4947887 part number is specifically designed to fit the 6B5.9 series and other compatible Cummins engines, ensuring that the fuel system operates as intended ¹.

Role of Part 4947887 Fuel Supply Tube in Engine Systems

The Fuel Supply Tube (part 4947887) is an integral component in the fuel delivery system of various engine setups. Its primary function is to transport fuel from the fuel tank to the fuel filter and subsequently to the engine’s fuel injectors or carburetor.

In systems equipped with fuel filter plumbing, the Fuel Supply Tube connects directly to the fuel filter. This connection ensures that the fuel passing through is clean and free from contaminants, which is essential for maintaining the efficiency and longevity of the engine. The tube’s design allows for a consistent flow of fuel, which is vital for stable engine performance under varying operational conditions ².

Additionally, the Fuel Supply Tube interfaces with the fuel pump, which pressurizes the fuel before it reaches the filter. This pressurized fuel then moves through the tube to the filter, where any impurities are removed. The clean fuel then travels through another segment of the Fuel Supply Tube to the engine’s fuel injectors.

In carburetor-equipped engines, the Fuel Supply Tube delivers fuel to the carburetor, where it is mixed with air before entering the combustion chamber. This precise delivery ensures that the air-fuel mixture is optimal, promoting efficient combustion and reducing emissions ³.

Overall, the Fuel Supply Tube plays a significant role in ensuring that the engine receives a steady and clean supply of fuel, which is fundamental for reliable engine operation ⁴.

Conclusion

The Cummins 4947887 Fuel Supply Tube is a vital component in the fuel system of heavy-duty trucks, ensuring a consistent and reliable fuel supply to the engine. Its robust design, compatibility with various Cummins engines, and role in maintaining engine performance make it an essential part for operators and maintenance professionals. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part, ensuring long-lasting service and optimal engine efficiency.