4900305
Fuel Manifold
Cummins®

DISCONTINUED

Cummins®

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

Introduction

The Cummins 4900305 Fuel Manifold is a critical component in commercial trucks, specifically designed for Cummins diesel engines. It plays a significant role in the fuel delivery system, ensuring efficient distribution of fuel to the engine’s injectors. This part is essential for maintaining the performance and reliability of the truck’s engine.

Basic Concepts of Fuel Manifolds

A fuel manifold is a device in diesel engines that distributes fuel to multiple injectors. It receives pressurized fuel from the fuel pump and channels it to each injector. This distribution is vital for engine performance, ensuring each cylinder receives the correct amount of fuel for combustion, contributing to the engine’s efficiency and power output 1.

Purpose of the Cummins 4900305 Fuel Manifold

The Cummins 4900305 Fuel Manifold is designed to facilitate fuel distribution within the engine. It ensures even distribution to all injectors, which is crucial for consistent engine performance. This part maintains the precise fuel-air mixture required for optimal combustion, supporting the engine’s efficiency and power output 2.

Key Features

The Cummins 4900305 Fuel Manifold is characterized by its robust design and high-quality materials, contributing to its durability and performance. It is engineered to withstand high pressures and temperatures within the fuel system of a diesel engine. Unique attributes include precise engineering for optimal fuel distribution and compatibility with Cummins engines, ensuring seamless integration into the fuel delivery system 3.

Benefits of Using the Cummins 4900305 Fuel Manifold

Utilizing this Cummins part offers several advantages. It enhances fuel distribution, leading to improved engine efficiency. The manifold’s design contributes to more reliable engine performance, reducing the likelihood of fuel-related issues. Additionally, its integration into the engine system supports better fuel economy and can contribute to lower emissions, aligning with environmental standards.

Installation and Integration

Proper installation of the Cummins 4900305 Fuel Manifold is crucial for its effective operation within the engine system. It is important to follow manufacturer guidelines for installation, including any prerequisites for compatibility with the truck’s engine system. Careful attention to the installation process ensures that the manifold is securely fitted and functions as intended within the fuel delivery system.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 4900305 Fuel Manifold is recommended to ensure its continued performance and durability. This includes routine inspections for signs of wear or damage, as well as checking for any leaks in the fuel system. Common issues to watch for include blockages or restrictions in the fuel lines, which can affect fuel distribution. Troubleshooting tips may involve checking the fuel pressure and ensuring that all connections are secure and free from leaks.

Performance Enhancements

The Cummins 4900305 Fuel Manifold contributes to overall engine performance in several ways. By ensuring even fuel distribution, it supports consistent engine operation, which can lead to improvements in fuel economy. Additionally, its role in the fuel delivery system helps in achieving optimal power output from the engine. Furthermore, proper fuel distribution can aid in reducing emissions, contributing to a cleaner operation of the vehicle.

Safety Considerations

When working with the Cummins 4900305 Fuel Manifold, it is important to observe safety guidelines to ensure the integrity of the fuel system and safe operation. This includes handling the component with care to avoid damage and ensuring that all connections are secure to prevent fuel leaks. Additionally, it is crucial to follow safety procedures when working with diesel fuel to minimize the risk of fire or injury.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its commitment to innovation and quality in diesel engine components. With a history of developing reliable and efficient engine solutions, Cummins has built a reputation for excellence. The company’s focus on advancing diesel technology is evident in its range of engine components, including the Cummins 4900305 Fuel Manifold, which exemplifies its dedication to enhancing engine performance and reliability.

Cummins Fuel Manifold 4900305 Compatibility

The Cummins Fuel Manifold part number 4900305 is designed to integrate seamlessly with a range of Cummins engines, ensuring optimal fuel delivery and performance. This part is specifically engineered to fit into the A2000 and A2300 engine families, providing a reliable and efficient solution for fuel management.

A2000 Engine Family

In the A2000 engine family, the 4900305 Fuel Manifold ensures the proper distribution of fuel to the engine’s cylinders. This manifold is meticulously designed to match the unique fuel requirements and architecture of the A2000 engines, facilitating smooth operation and enhancing overall engine performance.

A2300 Engine Family

Similarly, for the A2300 engine family, the 4900305 Fuel Manifold maintains the engine’s efficiency. The manifold is engineered to align with the specific design and operational parameters of the A2300 engines, ensuring that fuel is delivered uniformly and effectively. This compatibility is crucial for maintaining the engine’s power output and reliability.

By ensuring that the 4900305 Fuel Manifold is compatible with both the A2000 and A2300 engine families, Cummins maintains a high standard of quality and performance across its engine lineup. This compatibility underscores Cummins’ commitment to providing parts that are not only functional but also enhance the operational efficiency of their engines.

Role of Part 4900305 Fuel Manifold in Engine Systems

The part 4900305 Fuel Manifold is an integral component in the fuel delivery system of an engine. It acts as a junction point where fuel from the fuel pump is distributed to the various fuel injectors. This ensures that each cylinder receives the precise amount of fuel required for optimal combustion.

Integration with Fuel System Components

  1. Fuel Pump: The fuel manifold receives pressurized fuel from the fuel pump. The pump ensures that fuel is delivered at the correct pressure to meet the engine’s demands under various operating conditions.

  2. Fuel Injectors: The manifold is connected to each fuel injector via individual fuel lines. This setup allows for the precise metering of fuel to each cylinder, enhancing engine performance and fuel efficiency.

  3. Fuel Rail: In many engine systems, the fuel manifold is part of the fuel rail. The rail provides a consistent fuel supply to all injectors, maintaining uniform pressure across the system.

  4. Fuel Pressure Regulator: The manifold often interacts with the fuel pressure regulator to maintain the desired fuel pressure within the system. This regulator helps in fine-tuning the fuel delivery based on engine load and RPM.

  5. Return Line: Excess fuel not used by the injectors is returned to the fuel tank via the return line. The fuel manifold plays a role in this process by ensuring that only the required amount of fuel is delivered, with the surplus being efficiently redirected.

Interaction with Plumbing Components

  1. Fuel Lines: The fuel manifold is connected to fuel lines that transport fuel from the tank to the engine and back. These lines must be securely attached to prevent leaks and ensure consistent fuel flow.

  2. Fittings and Connectors: Various fittings and connectors are used to link the fuel manifold to other components. These must be correctly installed to maintain system integrity and prevent fuel leaks.

  3. Seals and Gaskets: Proper seals and gaskets are essential at connection points to ensure a leak-free system. The fuel manifold relies on these components to maintain pressure and prevent fuel escape.

By understanding the role of the part 4900305 Fuel Manifold within these systems, engineers and mechanics can better diagnose issues, perform maintenance, and ensure the engine operates efficiently.

Conclusion

The Cummins 4900305 Fuel Manifold is a vital component in the fuel delivery system of Cummins diesel engines. Its robust design, precise engineering, and compatibility with Cummins engines ensure efficient fuel distribution, enhancing engine performance and reliability. Proper installation, maintenance, and understanding of its role within the engine system are crucial for optimal operation and longevity of the engine.


  1. Hu, Haoran, Rudy Smaling, and Simon Baseley. Heavy-Duty Wheeled Vehicles. SAE International, 2014.

  2. Hilgers, Michael. Entire Vehicle: Second Edition. Springer Nature, 2023.

  3. Cummins Inc. Fault Code Troubleshooting Manual, Bulletin Number 5677318, AFT CM1881 AS101.

SPECIFICATIONS

Package Dimensions
13.0 x 2.0 x 2.0 in
Weight
0.19 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.