3084121
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3084121 Fuel Supply Tube is a vital component in the fuel systems of heavy-duty trucks. It ensures the efficient transfer of fuel from the tank to the engine, maintaining a consistent and reliable fuel supply under various operating conditions.

Purpose and Function

This Cummins part is integral to the truck’s fuel system, transporting fuel from the storage tank to the engine’s fuel injection system. It ensures fuel is delivered at the correct pressure and flow rate, optimizing the combustion process within the engine ¹.

Key Features

Constructed from high-quality materials, the 3084121 offers durability and resistance to fuel corrosion. Its design includes reinforced connections and a smooth interior to minimize fuel flow resistance, contributing to its longevity and reliable performance in demanding environments ².

Benefits

The use of this part enhances fuel delivery efficiency, potentially leading to improved engine performance. Its robust construction ensures it can withstand heavy-duty use, providing a long service life. Additionally, its design may contribute to reduced fuel consumption and emissions ³.

Installation and Compatibility

Proper installation of the Fuel Supply Tube is crucial for its effective operation. It should be installed according to the manufacturer’s guidelines to ensure a secure fit and proper function within the fuel system. Compatibility with specific truck models and engine types should be verified for optimal performance and integration with existing fuel system components.

Maintenance and Troubleshooting

Regular maintenance of the 3084121 is important to maintain its performance. This includes checking for signs of wear or damage and ensuring that all connections are secure. Common issues may include fuel leaks or reduced fuel flow, which can often be addressed by inspecting and tightening connections or replacing worn components as necessary.

Safety Considerations

When working with the fuel supply system and the 3084121, it is important to observe safety guidelines. This includes working in a well-ventilated area, avoiding open flames, and following proper procedures for handling and disposing of fuel. Understanding potential hazards and taking steps to mitigate them is crucial for safe operation and maintenance.

Cummins Overview

Cummins Inc. is renowned for its diesel engines and related components. With a history of innovation and quality, Cummins serves various industries, including heavy-duty trucking. The company’s reputation for reliability and performance is reflected in its wide range of products, designed to meet the demanding requirements of commercial and industrial applications.

Cummins Fuel Supply Tube 3084121 Compatibility

The Cummins Fuel Supply Tube part number 3084121 is designed to fit seamlessly with various Cummins engines, ensuring efficient fuel delivery and system integrity.

K19 Engine Series

The Cummins K19 engine series is one of the primary applications for the Fuel Supply Tube 3084121. This engine series is known for its robust performance and reliability, often used in heavy-duty applications. The 3084121 part ensures that the fuel supply remains uninterrupted, contributing to the smooth operation of the engine.

Other Cummins Engines

While the K19 series is a primary focus, the 3084121 Fuel Supply Tube is also compatible with other Cummins engines. This part is engineered to fit various engine models, ensuring that fuel is delivered efficiently across different engine types. The compatibility extends to engines that share similar design elements and fuel system configurations, making it a versatile component within the Cummins engine lineup.

Installation and Functionality

The installation of the 3084121 Fuel Supply Tube is straightforward, designed to integrate easily with the engine’s existing fuel system. This part is critical in maintaining the pressure and flow of fuel, which is essential for the engine’s performance. Proper installation ensures that the engine operates at optimal levels, reducing the risk of fuel-related issues.

Role of Part 3084121 Fuel Supply Tube in Engine Systems

The 3084121 Fuel Supply Tube 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 engine’s fuel injection system or carburetor. This ensures a consistent and regulated flow of fuel, which is essential for the engine’s performance and efficiency.

In modern fuel-injected engines, the Fuel Supply Tube connects to the fuel pump, which pressurizes the fuel. It then routes the pressurized fuel to the fuel rail, where it is distributed to the individual fuel injectors. The precise delivery of fuel to each cylinder is vital for maintaining the correct air-fuel ratio, which directly impacts engine power, fuel economy, and emissions.

For engines equipped with carburetors, the Fuel Supply Tube delivers fuel from the tank to the carburetor. Here, the fuel is mixed with air before entering the combustion chamber. The tube must be capable of handling the fuel pressure and flow rates required by the carburetor to ensure smooth engine operation and optimal performance.

In both fuel-injected and carbureted systems, the Fuel Supply Tube is often integrated with other components such as fuel filters and pressure regulators. These components work in tandem to ensure that the fuel delivered is clean and at the correct pressure, further enhancing engine reliability and performance.

The Fuel Supply Tube also interfaces with the vehicle’s fuel tank, where it is typically secured with fittings that prevent leaks and ensure a tight seal. This connection is vital for maintaining the integrity of the fuel system and preventing fuel loss or contamination.

Overall, the 3084121 Fuel Supply Tube plays a significant role in the efficient and reliable operation of engine systems by ensuring a steady and regulated supply of fuel to the engine’s combustion process.

Conclusion

The Cummins 3084121 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks, ensuring efficient and reliable fuel delivery to the engine. Its high-quality construction, compatibility with various Cummins engines, and role in maintaining optimal engine performance make it an essential part for those in the heavy-duty trucking industry.