3628251
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3628251 Fuel Supply Tube is a critical component in the fuel delivery system of heavy-duty trucks. It ensures a consistent and reliable fuel supply to the engine, which is essential for vehicle operation. This part is integral to maintaining engine performance and efficiency.

Purpose and Function

The Cummins 3628251 Fuel Supply Tube acts as a conduit within the fuel delivery system, transporting fuel from the storage tank to the engine. This transfer is vital for the engine’s combustion process, which powers the truck. The tube is designed to handle the pressures and temperatures associated with fuel transport, ensuring a steady flow of fuel to meet the engine’s demands ¹.

Key Features

This Cummins part is constructed from materials resistant to corrosion and wear, ensuring longevity in harsh operating conditions. Its design includes precise fittings and connections that secure it within the fuel system, minimizing the risk of leaks. Additionally, the tube may incorporate reinforced sections to withstand high pressure and flexible segments to accommodate movement within the vehicle’s chassis ².

Benefits

The use of the Cummins 3628251 Fuel Supply Tube contributes to improved fuel efficiency by ensuring a consistent and uncontaminated fuel supply to the engine. The reliable delivery of fuel supports enhanced overall engine performance, allowing the truck to operate at optimal levels. Furthermore, the durable construction of the tube reduces the likelihood of maintenance issues, providing a cost-effective solution for fuel system components ³.

Installation and Compatibility

Proper installation of the Cummins 3628251 Fuel Supply Tube is crucial to ensure its effective operation. Installation procedures should follow manufacturer guidelines to maintain the integrity of the fuel system. This includes securing connections and verifying the absence of leaks post-installation. The tube is designed to be compatible with specific models of trucks and engines, ensuring a precise fit and function within the intended fuel system ⁴.

Maintenance and Troubleshooting

Routine maintenance of the Cummins 3628251 Fuel Supply Tube is important to preserve its performance. This includes regular inspections for signs of wear or damage and ensuring that all connections remain secure. Common issues that may arise include fuel leaks or a reduction in fuel flow, which can often be traced to loose connections or damaged sections of the tube. Troubleshooting steps may involve tightening connections or replacing damaged segments to restore proper function.

Safety Considerations

When working with the Cummins 3628251 Fuel Supply Tube, it is important to adhere to safety precautions. This includes handling the fuel system with care to avoid spills and ensuring that all components are properly installed to prevent leaks or malfunctions. It is also important to follow safety protocols when working with fuel, such as avoiding open flames and ensuring proper ventilation.

Cummins Overview

Cummins Inc. is a well-established company in the automotive industry, known for its high-quality components for heavy-duty trucks. With a history of innovation and a commitment to excellence, Cummins has built a reputation for producing reliable and durable parts that contribute to the performance and efficiency of commercial vehicles. The company’s focus on quality and customer satisfaction underscores its position as a leader in the industry.

Cummins Fuel Supply Tube (Part 3628251) Compatibility

The Cummins Fuel Supply Tube, identified by part number 3628251, 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 tank to the engine, maintaining optimal performance and fuel economy.

K19 Engine Series

The K19 engine series, known for its robust design and reliability, integrates the Cummins Fuel Supply Tube (3628251) seamlessly. This part is essential for the proper functioning of the fuel system, ensuring that the engine receives a consistent and uninterrupted fuel supply. The K19 engines, often used in heavy-duty applications, benefit from the precision engineering of this fuel supply tube, which helps in maintaining the engine’s performance under various operating conditions.

Other Cummins Engines

Beyond the K19 series, the Cummins Fuel Supply Tube (3628251) is also compatible with a range of other Cummins engines. This part’s design allows it to fit into various engine configurations, ensuring that the fuel delivery system operates smoothly. The compatibility of this fuel supply tube with multiple engine models underscores its versatility and importance in the overall fuel system architecture of Cummins engines.

Role of Part 3628251 Fuel Supply Tube in Engine Systems

The Cummins 3628251 Fuel Supply Tube is an essential component in the fuel delivery system of various engine setups. It is responsible for transporting fuel from the fuel tank to the fuel injectors or carburetor, ensuring a consistent and reliable fuel supply to the engine.

Integration with Fuel Injectors

In modern fuel-injected engines, the Fuel Supply Tube connects to the fuel rail, which distributes fuel to individual injectors. The tube must be securely fitted to prevent leaks and ensure that fuel pressure is maintained. This consistent pressure is vital for the injectors to atomize fuel properly, leading to efficient combustion.

Connection to the Carburetor

In carbureted engine systems, the Fuel Supply Tube feeds fuel directly into the carburetor. The tube must be correctly aligned with the carburetor’s fuel inlet to avoid any disruptions in fuel flow. This ensures that the carburetor can mix air and fuel accurately, which is essential for the engine’s performance and emissions control.

Interaction with Fuel Pump

The Fuel Supply Tube often connects to the fuel pump, which pressurizes the fuel before it is sent to the injectors or carburetor. A well-fitted tube ensures that the fuel pump operates efficiently without any restrictions, maintaining the required fuel pressure throughout the system.

Role in Fuel Filter Assembly

In many engine systems, the Fuel Supply Tube is part of the fuel filter assembly. It carries fuel from the tank to the filter, where contaminants are removed before the fuel reaches the engine. A properly installed tube ensures that the fuel filter can perform its function without any bypass of unfiltered fuel.

Contribution to Fuel Pressure Regulator

The Fuel Supply Tube also plays a part in the fuel pressure regulator system. It delivers fuel to the regulator, which maintains consistent fuel pressure in the system. A secure and leak-free connection is necessary to ensure the regulator can function correctly, contributing to stable engine operation.

Summary of Component Interactions

The Cummins 3628251 Fuel Supply Tube is a vital link in the fuel delivery chain, interacting with several key components to ensure the engine receives a steady and clean fuel supply. Its proper installation and maintenance are fundamental to the overall performance and reliability of the engine system.

Conclusion

The Cummins 3628251 Fuel Supply Tube is a critical component in the fuel delivery system of heavy-duty trucks, ensuring a consistent and reliable fuel supply to the engine. Its design, compatibility, and role in various engine systems highlight its importance in maintaining engine performance and efficiency. Proper installation, maintenance, and adherence to safety considerations are essential for the optimal operation of this part.