4898483
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4898483, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This screw is integral to the assembly and maintenance of commercial trucks, ensuring the secure fastening of various components. Cummins, known for its commitment to quality and innovation, produces this screw to meet the demanding requirements of truck operations.

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 torque application using standard tools, while the flange provides a larger bearing surface, distributing the load more evenly and reducing the risk of the screw sinking into the material ¹. Within mechanical systems, these screws play a role in securely fastening components, ensuring structural integrity and reliable operation.

Purpose and Role in Truck Operation

The 4898483 Hexagon Flange Head Cap Screw is specifically designed to contribute to the secure fastening of components in commercial trucks. Its role is to provide a robust connection between parts, ensuring that they remain firmly in place under various operational conditions. This is particularly important in trucks, where components are subjected to significant stress and vibration. The screw helps maintain the alignment and integrity of critical parts, contributing to the overall reliability and safety of the vehicle.

Key Features

The 4898483 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy and precise torque application. The flange beneath the head enhances the bearing surface, which helps distribute the load more evenly and prevents the screw from sinking into the material. The screw is typically made from high-strength materials, ensuring durability and resistance to wear. These features collectively contribute to the screw’s effectiveness in demanding applications.

Benefits

Using the 4898483 Hexagon Flange Head Cap Screw offers several benefits. Its design allows for enhanced durability, making it suitable for long-term use in harsh environments. The hexagonal head ensures improved torque application, enabling precise fastening. Additionally, the flange characteristic provides resistance to loosening, maintaining the integrity of the fastened components over time. These attributes make the screw a reliable choice for truck maintenance and repair.

Installation and Usage

Proper installation of the 4898483 Hexagon Flange Head Cap Screw involves selecting the appropriate size and ensuring the mating surfaces are clean and free of debris. The screw should be tightened to the specified torque using a suitable tool to engage the hexagonal head. It is important to avoid over-tightening, which can lead to damage, and under-tightening, which can compromise the fastening. Regular checks should be performed to ensure the screw remains secure during operation.

Troubleshooting and Maintenance

Common issues with the 4898483 Hexagon Flange Head Cap Screw may include loosening due to vibration or corrosion. Regular inspections can help identify such problems early. Maintenance practices should include checking the torque of the screws periodically and reapplying lubricant if necessary to prevent corrosion. If a screw shows signs of wear or damage, it should be replaced promptly to maintain the integrity of the fastened components.

Cummins: Manufacturer Overview

Cummins is a renowned manufacturer with a long-standing reputation in the automotive and heavy-duty truck industry. The company is known for its commitment to quality, innovation, and customer satisfaction. Cummins produces a wide range of components designed to meet the rigorous demands of commercial vehicles. Their expertise and dedication to excellence ensure that their products, including the 4898483 Hexagon Flange Head Cap Screw, are reliable and perform well under various operational conditions ².

Hexagon Flange Head Cap Screw (Part 4898483) in Cummins Engines

The Hexagon Flange Head Cap Screw, part number 4898483, is a critical component in several Cummins engine models. This screw is designed to secure various parts within the engine assembly, ensuring structural integrity and operational efficiency. Below is a detailed overview of the engines where this part is utilized:

ISB/ISD Series

• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISD4.5 CM2220 D108

The ISB/ISD series engines, including the ISB/ISD4.5 CM2150 B119, ISB/ISD6.7 CM2150 SN, and ISD4.5 CM2220 D108, frequently use the 4898483 screw. This part is typically employed in securing components such as valve covers, oil pans, and other critical engine parts. Its robust design ensures that these components remain tightly fastened under high operational stresses.

ISBE Series

• ISBE CM800
• ISBE4 CM850

In the ISBE series, specifically the ISBE CM800 and ISBE4 CM850 engines, the 4898483 screw is used to secure various engine components. This includes the fastening of engine blocks, cylinder heads, and other structural parts that require a reliable and durable fastening solution.

ISF Series

• ISF3.8 CM2220 AN
• ISF4.5 CM2220 F123

The ISF series engines, such as the ISF3.8 CM2220 AN and ISF4.5 CM2220 F123, also incorporate the 4898483 screw. This part is essential in securing components that are subject to high torque and vibration, ensuring that the engine maintains its structural integrity over time.

QSB/QSC/QSL Series

• QSB4.5 CM850(CM2850)
• QSC8.3 CM850(CM2850)
• QSL8.9 CM2150 L141
• QSL9 CM850(CM2850)

The QSB/QSC/QSL series engines, including the QSB4.5 CM850(CM2850), QSC8.3 CM850(CM2850), QSL8.9 CM2150 L141, and QSL9 CM850(CM2850), utilize the 4898483 screw for securing various engine components. This part is particularly important in these engines for fastening components that are exposed to high operational stresses and temperatures.

In summary, the Hexagon Flange Head Cap Screw (part 4898483) is a versatile and essential component in a wide range of Cummins engines, ensuring the secure fastening of critical engine parts.

Role of Part 4898483 Hexagon Flange Head Cap Screw in Engine Systems

The part 4898483 Hexagon Flange Head Cap Screw is instrumental in ensuring secure and reliable connections within various engine systems. Its design allows for efficient torque transfer and robust fastening, which is essential for maintaining the integrity of engine components.

Connection

In engine systems, the Hexagon Flange Head Cap Screw is often used to fasten components that require a strong and durable connection. For instance, it is commonly employed in securing the exhaust manifold to the engine block. This connection must withstand high temperatures and vibrations, making the robust design of the Hexagon Flange Head Cap Screw particularly suitable.

Exhaust Outlet

The screw plays a significant role in attaching the exhaust outlet to the exhaust manifold. This connection is vital for directing exhaust gases away from the engine efficiently. The flange head of the screw provides additional surface area, enhancing the seal and reducing the likelihood of leaks, which can be detrimental to engine performance and emissions.

Location

When considering the location of engine components, the Hexagon Flange Head Cap Screw is frequently used in areas exposed to extreme conditions. For example, it secures the fuel filter housing to the engine frame. This ensures that the fuel filter remains stable and correctly aligned, which is important for maintaining consistent fuel flow and filtration efficiency.

Fuel Filter

In the fuel system, the Hexagon Flange Head Cap Screw is utilized to attach the fuel filter to its mounting bracket. This secure attachment is essential for preventing fuel leaks and ensuring that the filter operates under the correct pressure conditions. The screw’s design helps distribute clamping force evenly, which is crucial for maintaining a tight seal around the filter housing.

Overall, the part 4898483 Hexagon Flange Head Cap Screw is a versatile and reliable component that enhances the functionality and durability of various engine systems.

Conclusion

The 4898483 Hexagon Flange Head Cap Screw is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its robust design, characterized by a hexagonal head and flange, ensures efficient torque application and secure fastening of components. The screw’s durability, resistance to loosening, and ability to withstand high operational stresses make it an essential part in various engine systems. Proper installation, regular maintenance, and timely replacement are key to ensuring the continued reliability and safety of the vehicle.