4946866
Fuel Supply Tube
Cummins®

The Cummins 4946866 Fuel Supply Tube is a critical component in commercial truck fuel systems, designed to ensure a consistent and adequate fuel supply to the engine for optimal performance and efficiency ².

Basic Concepts of Fuel Supply Tubes

A fuel supply tube is a conduit within the fuel system that transports fuel from the tank to the engine. Its function is vital for the engine’s operation, ensuring fuel is delivered under the correct pressure and in the right quantity ¹.

Purpose of the Cummins 4946866 Fuel Supply Tube

This Cummins part is designed to deliver fuel efficiently from the tank to the engine. It maintains the fuel system’s integrity by providing a secure and reliable pathway for fuel transport, ensuring the engine receives a steady supply of fuel for consistent performance and power output ².

Key Features

The Cummins 4946866 is constructed from durable materials resistant to fuel corrosion. Its design includes precise engineering for a proper fit within the fuel system and smooth internal surfaces to facilitate fuel flow, contributing to its longevity and effectiveness in demanding applications ².

Benefits

Using this part can lead to improved fuel delivery efficiency, enhancing engine performance. Its reliable construction and design increase the overall reliability of the fuel system, reducing the likelihood of fuel delivery issues that could affect engine operation ².

Installation and Integration

Installing the Cummins 4946866 requires careful attention to ensure proper integration into the truck’s fuel system. This includes secure connections to both the fuel tank and the engine’s fuel intake, as well as correct routing to avoid interference with other components ².

Maintenance and Troubleshooting

Regular inspections of the Cummins 4946866 are recommended to check for wear, leaks, or damage. Common issues may include blockages or restrictions in the tube, affecting fuel flow. Troubleshooting tips include verifying connections, checking for proper routing, and ensuring the tube is free from obstructions ².

Safety Considerations

Handling the Cummins 4946866 requires observing safety precautions due to the presence of fuel. This includes working in a well-ventilated area, avoiding open flames or sparks, and wearing appropriate personal protective equipment. During installation and maintenance, care should be taken to prevent fuel spills and ensure all connections are secure to avoid leaks ².

Environmental Impact

The Cummins 4946866 contributes to fuel efficiency by ensuring a consistent and reliable fuel supply to the engine. This can play a role in emissions reduction efforts by supporting the engine’s optimal operation, leading to more efficient fuel consumption and lower emissions output ².

Cummins Overview

Cummins Inc. is renowned for producing high-quality automotive components, with a commitment to innovation and quality. The company delivers reliable and durable parts that meet the demanding requirements of commercial truck applications ².

Cummins Engine Compatibility with Fuel Supply Tube Part 4946866

The Cummins Fuel Supply Tube part number 4946866 is designed to fit seamlessly within a range of Cummins engines, ensuring optimal fuel delivery and system integrity. This part is integral to the engine’s fuel system, facilitating the transfer of fuel from the fuel tank to the engine’s fuel injection system ².

ISB CM2150 and ISB6.7 CM2250

The part 4946866 is compatible with both the ISB CM2150 and ISB6.7 CM2250 engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The fuel supply tube ensures that fuel is delivered consistently and efficiently, maintaining the engine’s operational standards ².

ISB6.7 CM2350 B101

The ISB6.7 CM2350 B101 engine also benefits from the use of the part 4946866. This engine variant is designed for high-performance applications, and the fuel supply tube plays a crucial role in maintaining the fuel flow necessary for its operation. The compatibility of this part with the ISB6.7 CM2350 B101 ensures that the engine can handle demanding conditions without compromising on fuel delivery ².

Grouping for Compatibility

The ISB CM2150 and ISB6.7 CM2250 engines share a similar design and operational framework, making the fuel supply tube part 4946866 a suitable fit for both. This grouping highlights the interchangeability and design consistency within these engine models. The ISB6.7 CM2350 B101, while a more advanced variant, also incorporates this part, underscoring its importance across different engine specifications ².

Role of Part 4946866 Fuel Supply Tube in Engine Systems

The part 4946866 Fuel Supply Tube is a critical component within the fuel system, facilitating the seamless delivery of fuel from the fuel tank to the engine. Its role is pivotal in ensuring that the engine receives a consistent and adequate supply of fuel, which is necessary for optimal performance and efficiency ².

Integration with Fuel System Components

Fuel Tank

The Fuel Supply Tube connects directly to the fuel tank, where it draws fuel through a fuel pump. This connection ensures that the fuel is efficiently transported from its storage location to the engine ².

Fuel Pump

Positioned between the fuel tank and the Fuel Supply Tube, the fuel pump pressurizes the fuel, enabling it to flow through the tube. The Fuel Supply Tube must be robust and leak-proof to handle the pressurized fuel without any loss ².

Fuel Filter

Before reaching the engine, the fuel passes through a fuel filter. The Fuel Supply Tube delivers the fuel to the filter, where contaminants are removed. This ensures that only clean fuel enters the engine, protecting internal components from damage ².

Fuel Injectors

The Fuel Supply Tube is connected to the fuel injectors, which spray atomized fuel into the engine’s combustion chambers. The precise delivery of fuel is essential for efficient combustion and overall engine performance ².

Fuel Rail

In many engine systems, the Fuel Supply Tube feeds into the fuel rail, a component that distributes fuel to each injector. The tube’s design ensures that fuel is evenly distributed, maintaining consistent engine operation across all cylinders ².

Interaction with Accessories

Fuel Pressure Regulator

The Fuel Supply Tube may also interact with the fuel pressure regulator, which maintains the correct fuel pressure within the system. This interaction ensures that the engine operates within its specified parameters, enhancing performance and fuel efficiency ².

Fuel Return Line

In systems with a return line, excess fuel is sent back to the tank. The Fuel Supply Tube plays a role in this process by ensuring that the fuel can be efficiently returned, maintaining system balance and preventing overflow ².

Fuel Gauge Sender Unit

In some configurations, the Fuel Supply Tube is in proximity to the fuel gauge sender unit. This unit measures the fuel level in the tank and sends this information to the vehicle’s dashboard. Accurate fuel delivery through the tube ensures that the gauge provides reliable readings ².

Conclusion

Understanding the role of the Cummins 4946866 Fuel Supply Tube within these components highlights its importance in maintaining the integrity and performance of the fuel system. Its design, compatibility with various Cummins engines, and integration with fuel system components underscore its critical role in ensuring optimal engine performance and efficiency ².