3641774
Fuel Block Connection
Cummins®

AVAILABLE

Cummins®

9 are currently available

Ships within 2-4 business days

$579.95 $690.14

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins part 3641774, commonly referred to as the Fuel Block Connection, is a critical component in the fuel system of commercial trucks. Cummins, a leading manufacturer of diesel engines, has designed this part to ensure efficient fuel distribution and management in heavy-duty trucks. The fuel system is vital for the efficient operation of diesel engines, and the Fuel Block Connection plays a significant role in this system by facilitating the precise routing and management of fuel.

Basic Concepts of Fuel Block Connection

A Fuel Block Connection interfaces with the fuel block, a central part of the fuel system in diesel engines. It is strategically placed to interact with other fuel system components, ensuring a seamless flow of fuel from the tank to the engine. The fuel delivery process in diesel engines involves several stages, including filtration, pressurization, and injection. The Fuel Block Connection ensures that fuel is correctly routed and managed, contributing to the engine’s overall performance 1.

Purpose of the 3641774 Fuel Block Connection

The 3641774 Fuel Block Connection is designed to enhance the operation of a truck’s engine by facilitating efficient fuel distribution and management. It ensures that fuel is delivered to the engine in the correct quantity and at the right pressure, which is essential for optimal engine performance. By maintaining precise fuel control, this component contributes to the engine’s efficiency and reliability, ensuring that the truck operates smoothly under various conditions 2.

Key Features

The 3641774 Fuel Block Connection is characterized by its robust design and construction. It is made from high-quality materials that ensure durability and resistance to the harsh conditions encountered in commercial truck operations. The component’s build quality is a testament to Cummins’ commitment to producing reliable and long-lasting parts. Additionally, the Fuel Block Connection features precise engineering that enhances its functionality within the fuel system 3.

Benefits

The advantages of the 3641774 Fuel Block Connection include improved fuel efficiency, enhanced engine performance, and increased reliability. By ensuring that fuel is efficiently distributed and managed, this component helps to optimize the engine’s operation, leading to better fuel economy and performance. Moreover, its reliable design contributes to the overall durability and maintenance of commercial trucks, reducing the likelihood of fuel system-related issues.

Installation Process

Installing the 3641774 Fuel Block Connection requires careful attention to detail to ensure proper fitting and function. The process involves several steps, including preparing the fuel system, aligning the connection with the fuel block, and securing it in place. Tools required for installation may include wrenches, torque wrenches, and possibly a fuel system cleaner. Following best practices during installation, such as ensuring all connections are tight and free of leaks, is crucial for the component’s performance.

Troubleshooting and Maintenance

Common issues associated with the 3641774 Fuel Block Connection may include leaks, blockages, or malfunctions due to wear and tear. Symptoms of these issues can manifest as engine performance problems or fuel system inefficiencies. Diagnostic procedures involve inspecting the connection for signs of damage or wear, checking for leaks, and ensuring that it is properly aligned and secured. Regular maintenance, such as cleaning and inspecting the connection, can help prevent issues and prolong its lifespan. In cases where repair or replacement is necessary, following manufacturer guidelines ensures the component’s continued reliable operation.

Cummins: A Brief Overview

Cummins Inc. is a global leader in the design, manufacture, and distribution of diesel engines. With a history spanning over a century, Cummins has established itself as a trusted name in the commercial vehicle industry. The company is renowned for its commitment to innovation, quality, and customer satisfaction. Cummins’ extensive product line includes engines, components, and technologies that power a wide range of applications, from on-highway to off-highway and stationary power. The company’s dedication to excellence is reflected in its products, including the 3641774 Fuel Block Connection, which embodies Cummins’ standards for quality and performance.

Role of Part 3641774 Fuel Block Connection in Engine Systems

The Fuel Block Connection (Part 3641774) is integral to the efficient operation of several engine components. It serves as a pivotal interface that ensures seamless interaction between the fuel system and the engine’s injectors.

Interaction with Injectors

The primary function of the Fuel Block Connection is to provide a secure and reliable link between the fuel rail and the injectors. This connection is essential for maintaining consistent fuel pressure and flow to each injector. Proper sealing and alignment facilitated by this part ensure that fuel is delivered precisely when needed, optimizing combustion efficiency and overall engine performance.

Contribution to Engine Performance

By ensuring a stable fuel supply, the Fuel Block Connection plays a significant role in engine performance. It helps in maintaining the correct air-fuel ratio, which is vital for efficient combustion. This, in turn, contributes to smoother engine operation, reduced emissions, and improved fuel economy.

Plumbing and Fuel System Integrity

In the context of the fuel system’s plumbing, the Fuel Block Connection acts as a critical junction point. It connects various fuel lines and components, ensuring that the fuel path remains uninterrupted. This part helps in preventing fuel leaks and maintaining system integrity, which is essential for safe and reliable engine operation.

Integration with Other Parts

The Fuel Block Connection also interfaces with other components such as the fuel pressure regulator and the fuel return line. By providing a stable connection point, it aids in the regulation of fuel pressure and the efficient return of excess fuel to the tank. This integration ensures that the fuel system operates within specified parameters, enhancing both performance and durability.

Conclusion

In summary, the Cummins part 3641774, the Fuel Block Connection, is a vital component in the fuel system of commercial trucks. Its design and functionality are tailored to meet the demanding requirements of heavy-duty engines, ensuring reliable and efficient fuel delivery. By facilitating seamless interaction between the fuel system and engine components, this part contributes to optimal engine performance, improved fuel efficiency, and enhanced reliability.


  1. Mohamed ElSayed PE, Fundamentals of Integrated Vehicle Realization, SAE International, 2017.

  2. Paul Dempsey, Troubleshooting and Repairing Diesel Engines, McGraw-Hill, 2008.

  3. P. A. Lakshminarayanan and Avinash Kumar, Design and Development of Heavy Duty Diesel Engines: A Handbook, Springer Nature, 2020.

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SPECIFICATIONS

Package Dimensions
5.0 x 11.0 x 18.0 in
Weight
3 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.