4978806
Fuel Filter Head
Cummins®

The Cummins Fuel Filter Head, part number 4978806, is designed to facilitate the filtration of fuel in heavy-duty trucks. Its purpose is to ensure that the fuel delivered to the engine is clean and free from contaminants, which is significant for maintaining engine performance and longevity.

Basic Concepts of Fuel Filter Heads

A Fuel Filter Head is an integral part of the fuel system, responsible for filtering out impurities from the fuel before it reaches the engine. This component contributes to the overall performance and efficiency of the engine by ensuring that only clean fuel is used, which helps in maintaining optimal combustion and reducing wear on engine components ¹.

Role of the 4978806 Fuel Filter Head in Truck Operation

This Cummins part plays a specific role in the fuel system of a truck by filtering fuel as it passes through the system. It interacts with other components such as the fuel tank, fuel lines, and the engine itself. The proper functioning of this part ensures that the engine receives clean fuel, which can lead to improved performance and efficiency ².

Key Features of the 4978806 Fuel Filter Head

The 4978806 is characterized by its robust design and the materials used in its construction, which are chosen for their durability and effectiveness in filtering fuel. Unique characteristics of this component may include advanced filtration technology and a design that allows for easy maintenance and replacement of the filter element ³.

Benefits of Using the 4978806 Fuel Filter Head

Using this part can lead to several benefits, including improved fuel efficiency due to cleaner fuel combustion, enhanced engine performance as a result of reduced contaminants in the fuel, and increased reliability of the fuel system components ⁴.

Installation and Compatibility

Proper installation of the 4978806 is important for ensuring its effective operation. Compatibility with various truck models and engines should be considered to ensure that the component functions as intended within the specific fuel system it is installed in.

Compatibility of Cummins Fuel Filter Head 4978806 with Various Engine Models

The Cummins Fuel Filter Head part number 4978806 is designed to fit seamlessly with a range of engine models, ensuring optimal performance and reliability. Here is a detailed overview of its compatibility with the specified engines:

QSK38 Series Engines

• QSK38 CM2150 MCRS
• QSK38 CM850 MCRS
• QSK60 CM850 MCRS

The Cummins Fuel Filter Head 4978806 is engineered to integrate with the QSK38 series engines, including the CM2150, CM850, and CM60 models. This compatibility ensures that the fuel filter head provides the necessary filtration and pressure regulation for these engines, maintaining their efficiency and longevity.

QSK50 Series Engines

• QSK50 CM2150 K107
• QSK50 CM2150 MCRS
• QSK50 CM2350 K108

The QSK50 series engines, specifically the CM2150 and CM2350 models, are also compatible with the Cummins Fuel Filter Head 4978806. This part is designed to fit these engines, ensuring that the fuel system operates smoothly and efficiently. The fuel filter head’s design allows for easy installation and maintenance, making it a reliable choice for these engine models.

QST30 Series Engine

• QST30 CM2350 T101

The QST30 CM2350 T101 engine is another model that benefits from the Cummins Fuel Filter Head 4978806. This part is specifically designed to fit this engine, providing the necessary filtration and pressure regulation to ensure optimal performance and reliability.

Grouping for Compatibility

The Cummins Fuel Filter Head 4978806 is designed to be versatile, fitting multiple engine models across different series. Grouping the engines by series helps in understanding the broad compatibility of this part:

• QSK38 Series: CM2150, CM850, CM60
• QSK50 Series: CM2150, CM2350
• QST30 Series: CM2350

By grouping the engines in this manner, it becomes clear that the fuel filter head is a reliable component for a wide range of Cummins engines, ensuring that users can maintain their engines with confidence.

Maintenance and Troubleshooting

Regular maintenance of the 4978806 is recommended to ensure its continued effective operation. This may include periodic inspection and replacement of the filter element. Common issues that may arise include clogging of the filter, which can be addressed through routine maintenance practices.

Safety Considerations

When handling and maintaining the 4978806, it is important to observe safety guidelines to protect personnel and ensure the proper functioning of the equipment. This includes following manufacturer recommendations for handling fuel system components and ensuring that all maintenance procedures are carried out in a safe manner.

Cummins: A Brief Overview

Cummins Inc. is a well-established company in the automotive and heavy-duty truck industry, known for its wide range of products and strong reputation for quality and reliability. The company has a history of innovation and commitment to providing solutions that meet the needs of its customers in various sectors.

Role of Part 4978806 Fuel Filter Head in Engine Systems

The part 4978806 Fuel Filter Head is an integral component in the fuel system of various engine setups. Its primary function is to ensure the fuel delivered to the engine is clean and free from contaminants. This is achieved by its strategic placement within the fuel system, where it interfaces directly with the fuel filter.

Integration with Fuel Filter

The Fuel Filter Head, designated as part 4978806, is designed to connect seamlessly with the fuel filter. This connection is vital for maintaining the integrity of the fuel as it moves through the system. The head acts as a barrier, preventing any particulate matter from the fuel filter from entering the engine’s fuel lines. This is essential for the efficient operation of the engine, as clean fuel ensures optimal combustion and performance.

Location in the Fuel System

Typically, the Fuel Filter Head is located upstream of the fuel injectors. This positioning allows it to filter the fuel before it reaches the injectors, ensuring that only clean fuel is delivered to the combustion chambers. The head’s location is strategically chosen to maximize its effectiveness in filtering out impurities, which could otherwise lead to engine wear or decreased performance.

Contribution to Fuel Quality

By working in conjunction with the fuel filter, the Fuel Filter Head plays a significant role in maintaining the quality of the fuel. It helps in removing contaminants that could clog the fuel injectors or cause other issues within the fuel system. This not only enhances the engine’s performance but also contributes to its longevity by reducing the risk of fuel-related problems.

Enhancing Engine Efficiency

The presence of the Fuel Filter Head in the fuel system is a testament to the importance of clean fuel in engine efficiency. By ensuring that the fuel is free from contaminants, it allows the engine to operate at its designed efficiency levels. This is particularly important in high-performance engines where the tolerance for impurities is minimal.

Conclusion

In summary, the part 4978806 Fuel Filter Head is a key component in the fuel system, working in tandem with the fuel filter to deliver clean, high-quality fuel to the engine. Its role in filtering and maintaining fuel quality is essential for the efficient and reliable operation of the engine.