4067987
Fuel Manifold
Cummins®

Introduction

The Cummins 4067987 Fuel Manifold is a critical component in the fuel delivery system of commercial trucks. It ensures efficient distribution of fuel to the engine cylinders, contributing to the truck’s performance and reliability.

Basic Concepts of Fuel Manifolds

A fuel manifold is designed to distribute fuel to multiple points within an engine. It receives pressurized fuel from the fuel pump and channels it to the injectors or carburetors of each cylinder, ensuring a consistent fuel supply for balanced engine operation and efficiency ¹.

Purpose of the Cummins 4067987 Fuel Manifold

The Cummins 4067987 Fuel Manifold is engineered to distribute fuel evenly across the engine cylinders in commercial trucks. This uniform fuel supply supports consistent combustion, which is essential for maintaining engine power output and fuel efficiency ².

Key Features

This Cummins part is characterized by its robust design and high-quality materials. It is built to withstand the high pressures and temperatures of diesel engine fuel delivery. The manifold features precise channels and ports for efficient fuel distribution and incorporates durability-enhancing features to ensure long-term reliability ³.

Benefits of Using the Cummins 4067987 Fuel Manifold

Utilizing this part offers several advantages, including improved fuel distribution for enhanced engine performance. Its design and materials support reliability, reducing the likelihood of fuel delivery issues. Additionally, its efficient operation can contribute to better fuel economy, benefiting the overall operation of the truck ⁴.

Installation and Integration

Proper installation of the Cummins 4067987 Fuel Manifold is essential for its effective operation. It should be integrated into the truck’s engine system according to the manufacturer’s guidelines. This process may involve preparing the engine compartment, ensuring compatibility with existing components, and securing the manifold in place. Careful attention to these steps helps ensure the manifold functions as intended.

Maintenance and Care

To maintain the performance and longevity of the Cummins 4067987 Fuel Manifold, regular maintenance is recommended. This includes inspecting the manifold for signs of wear or damage, cleaning it to remove any deposits, and replacing any worn components as necessary. Adhering to a maintenance schedule helps prevent issues and ensures the manifold continues to operate efficiently.

Troubleshooting Common Issues

Fuel manifolds can encounter issues such as leaks or malfunctions. Identifying these problems early is important for maintaining engine performance. Common troubleshooting steps include checking for visible signs of leaks, testing the manifold’s pressure, and inspecting the connections for tightness. Addressing these issues promptly can help prevent more significant problems and ensure the manifold continues to function correctly.

Cummins: A Brief Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its quality and innovative products. The company has a long history of producing reliable engine components, including fuel manifolds. Cummins’ commitment to quality is evident in its product offerings, which are designed to meet the demanding requirements of commercial trucking. The Cummins 4067987 Fuel Manifold is a testament to the company’s dedication to providing high-quality, durable components for the industry.

Compatibility of Cummins Fuel Manifold 4067987

The Cummins Fuel Manifold part number 4067987 is designed to integrate seamlessly with a range of Cummins engines, ensuring optimal fuel distribution and engine performance. This part is engineered to fit precisely with the following engine models:

QST30 Series

The QST30 series engines benefit from the precise fuel management capabilities of the 4067987 manifold. This part ensures that fuel is distributed evenly across the engine’s cylinders, enhancing combustion efficiency and overall engine performance. The manifold’s design allows for easy installation and compatibility with the QST30’s architecture.

CM552 Series

Similarly, the CM552 series engines are equipped to utilize the 4067987 fuel manifold. This part is crafted to meet the specific requirements of the CM552 engines, ensuring that fuel delivery is consistent and reliable. The manifold’s integration with these engines helps maintain optimal engine operation and longevity.

Grouping of Engines

The Cummins Fuel Manifold 4067987 is versatile and compatible with both the QST30 and CM552 series engines. This compatibility is due to the manifold’s design, which is tailored to meet the needs of these engine models. By ensuring a precise fit and function, the 4067987 manifold supports the efficient operation of these engines, contributing to their overall performance and durability.

Role of Part 4067987 Fuel Manifold in Engine Systems

The part 4067987 Fuel Manifold is an integral component in the fuel delivery system of various engine setups. It acts as a distribution hub, ensuring that fuel is efficiently routed from the fuel supply lines to the individual fuel injectors. This part is designed to maintain consistent fuel pressure and flow, which is essential for optimal engine performance.

In the context of the fuel system, the Fuel Manifold connects to the fuel rail, which in turn is linked to each fuel injector. The fuel injectors are responsible for spraying atomized fuel into the combustion chambers at precise intervals, dictated by the engine control unit (ECU). The Fuel Manifold ensures that each injector receives an equal amount of fuel, which is vital for balanced combustion across all cylinders.

Additionally, the Fuel Manifold interfaces with the fuel return line, allowing excess fuel to be redirected back to the fuel tank. This helps in maintaining the desired fuel pressure within the system. The integration with the fuel pressure regulator ensures that the system operates within specified parameters, enhancing engine efficiency and reducing the risk of fuel-related issues.

In terms of plumbing, the Fuel Manifold is connected to various fuel lines using high-pressure fittings. These connections must be secure to prevent leaks, which could lead to dangerous situations such as fuel spills or inadequate fuel supply to the engine. Proper sealing and regular inspection of these connections are necessary to ensure the integrity of the fuel system.

Overall, the part 4067987 Fuel Manifold plays a significant role in ensuring that the fuel system operates smoothly, providing the engine with the necessary fuel supply for efficient and reliable performance.

Conclusion

The Cummins 4067987 Fuel Manifold is a vital component in the fuel delivery system of commercial trucks. Its robust design, precise fuel distribution capabilities, and compatibility with various Cummins engines make it an essential part for maintaining engine performance and reliability. Regular maintenance and proper installation are key to ensuring the longevity and efficiency of this part.