3094813
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3094813, is a component manufactured by Cummins, a well-regarded name in the automotive and heavy-duty truck industry. This screw is integral to the assembly and maintenance of commercial trucks, ensuring secure fastening and reliable performance in various mechanical systems.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and a flange beneath the head. The hexagonal head allows for efficient tightening and loosening using a wrench or socket, while the flange provides additional surface area to distribute the load and prevent the screw from sinking into the material ¹. Within a truck’s mechanical system, these screws are used to secure components, ensuring structural integrity and proper function.

Purpose and Role in Truck Operation

This Cummins part plays a significant role in the operation of a truck by securing critical components such as engine parts, transmission elements, and chassis assemblies. Its design ensures a tight and stable connection, which is vital for the durability and performance of the truck. These screws are often used in applications where vibration and dynamic loads are present, making their role even more important in maintaining the truck’s operational efficiency.

Key Features

The 3094813 boasts several key features that enhance its functionality and reliability. The hexagonal head design allows for easy and precise tightening using standard tools. The flange beneath the head provides additional bearing surface, which helps in distributing the load and preventing the screw from pulling through the material. Additionally, the screw is made from high-quality materials that offer excellent corrosion resistance and durability, ensuring long-term performance in demanding environments.

Benefits

This part offers several benefits that make it a preferred choice for truck manufacturers and maintenance professionals. Its durable construction ensures long-lasting performance, even under harsh conditions. The design resists loosening due to vibration, which is common in truck operations, thereby maintaining secure fastening over time. Furthermore, the ease of installation and removal using standard tools simplifies maintenance procedures, reducing downtime and labor costs.

Installation and Usage

Proper installation of the 3094813 is crucial for ensuring its effectiveness and longevity. It is recommended to use the appropriate torque specifications provided by the manufacturer to achieve the correct tension without overtightening, which could damage the screw or the surrounding material. Best practices include cleaning the installation surface to remove any debris or contaminants that could affect the screw’s performance. Additionally, using a torque wrench ensures precise application of the required torque, enhancing the screw’s reliability.

Troubleshooting and Maintenance

Common issues with the 3094813 may include corrosion, loosening, or damage due to overtightening. Regular inspection during maintenance checks can help identify these issues early. If corrosion is detected, cleaning the affected area and applying a corrosion-resistant coating can mitigate further damage. Loose screws should be re-tightened to the specified torque, and damaged screws should be replaced to maintain the integrity of the fastening.

Cummins Overview

Cummins is a renowned manufacturer with a long-standing reputation in the automotive and heavy-duty truck industry. Founded in 1919, Cummins has built a legacy of quality, innovation, and reliability. The company is committed to producing high-performance components that meet the rigorous demands of commercial trucking. Their extensive range of products, including the 3094813, reflects their dedication to excellence and customer satisfaction.

Hexagon Flange Head Cap Screw (Part 3094813) in Cummins Engines

The Hexagon Flange Head Cap Screw (part number 3094813) is a critical component in several Cummins engine models. This part is designed to secure various engine parts, ensuring structural integrity and operational efficiency. Below is a detailed description of how this screw fits into the specified Cummins engines.

6C8.3 and B3.3 Engines

In the 6C8.3 and B3.3 engines, the Hexagon Flange Head Cap Screw is utilized to fasten components that require a secure and reliable connection. These engines, known for their robust performance, benefit from the precision and strength provided by this screw. It is commonly used in applications where high torque and durability are essential.

ISM CM570, QSB3.3 CM2150, and QSB3.3 CM2250 EC Engines

For the ISM CM570, QSB3.3 CM2150, and QSB3.3 CM2250 EC engines, the Hexagon Flange Head Cap Screw is integral in maintaining the alignment and stability of engine components. These engines are designed for heavy-duty applications, and the screw’s ability to withstand significant stress makes it an ideal choice for these models.

QSC8.3 CM850 (CM2850) and QSC9 CM2250/QSL9 CM2250 Engines

In the QSC8.3 CM850 (CM2850) and QSC9 CM2250/QSL9 CM2250 engines, the Hexagon Flange Head Cap Screw is used to secure various parts that are subjected to high rotational forces. The screw’s design ensures that these components remain tightly fastened, contributing to the overall performance and longevity of the engine.

QSL8.9 CM2150 L141 and QSL9 CM850 (CM2850) Engines

For the QSL8.9 CM2150 L141 and QSL9 CM850 (CM2850) engines, the Hexagon Flange Head Cap Screw is essential in securing parts that need to be tightly fastened to prevent any movement. This is particularly important in engines that operate under high loads and varying conditions, ensuring that all components remain in their correct positions.

QST30 CM2350 T101 and QST30 CM552 Engines

In the QST30 CM2350 T101 and QST30 CM552 engines, the Hexagon Flange Head Cap Screw is used to fasten components that are critical for the engine’s operation. The screw’s design allows for easy installation and removal, making it a practical choice for these models. It ensures that all parts are securely fastened, contributing to the engine’s overall efficiency and reliability.

Role of Part 3094813 Hexagon Flange Head Cap Screw in Engine Systems

The part 3094813 is integral to the secure assembly and operation of various engine components. Its application spans across multiple systems, ensuring robust connections and efficient performance.

Aftercooler and Air Compressor Upfit Kit

In the aftercooler and air compressor upfit kit, the Hexagon Flange Head Cap Screw is used to fasten components that require a strong, vibration-resistant connection. This ensures that the aftercooler and compressor elements remain securely attached, maintaining optimal airflow and cooling efficiency.

Turbocharger and Compressor

Within the turbocharger and compressor arrangement, this screw plays a significant role in attaching the compressor housing to the turbine housing. Its flange head provides additional surface area for a tighter seal, which is essential for withstanding high pressures and temperatures.

Drive and Fan Systems

For drive and fan systems, the screw is employed to secure the fan to the drive mechanism. This connection is vital for ensuring that the fan operates smoothly and efficiently, contributing to effective engine cooling.

Exhaust Manifold and Mounting

In the exhaust manifold and its mounting, the Hexagon Flange Head Cap Screw is used to attach the manifold to the engine block. This secure attachment is necessary to handle the high temperatures and pressures of exhaust gases, ensuring a leak-free connection.

Filters and Gauges

For filters, such as the full flow oil filter and lubricating oil filter, as well as the oil level gauge, the screw provides a reliable means of attachment. This is important for maintaining the integrity of the filtration system and accurate oil level readings.

Fuel System Components

In the fuel system, particularly at the fuel filter location and the injector fuel supply tube, the screw ensures that components are firmly in place. This is essential for maintaining consistent fuel delivery and preventing leaks.

Rocker Lever and Engine Control Module Mounting

The screw is also utilized in mounting the rocker lever and the engine control module. These applications require a secure and stable connection to ensure precise engine operation and control.

Lubricating Oil and Performance Parts

Finally, in lubricating oil systems and various performance parts, the Hexagon Flange Head Cap Screw is used to attach components that demand high reliability and durability. This ensures that the engine receives consistent lubrication and that performance parts function as intended.

Conclusion

Overall, the part 3094813 is a versatile fastener that enhances the reliability and performance of numerous engine systems. Its robust design and high-quality materials make it an essential component in the assembly and maintenance of commercial trucks and heavy-duty engines.