4975022
Hexagon Flange Head Cap Screw
Cummins®

The Hexagonal Flange Head Cap Screw, identified by part number 4975022, is a specialized fastener produced by Cummins. This screw is significant in the realm of heavy-duty trucks due to its robust design and reliable performance. Cummins, a well-established manufacturer in the automotive industry, ensures that this component meets the stringent demands of heavy-duty applications.

Basic Concepts

Hexagonal Flange Head Cap Screws are designed with a hexagonal head and a flange that provides additional surface area for torque application. These screws are typically made from high-strength materials such as alloy steel, which offers superior tensile strength and durability. In the automotive industry, these fasteners are commonly used in applications where high load-bearing capacity and resistance to loosening are required. Their design allows for efficient torque transfer and secure fastening, making them ideal for critical components in heavy-duty trucks ¹.

Purpose and Role in Truck Operation

This Cummins part plays a specific role in the operation of heavy-duty trucks by securing critical components that are subject to significant stress and vibration. Its design ensures that parts remain firmly attached, contributing to the overall functionality and performance of the vehicle. By providing a secure connection, this screw helps maintain the integrity of the truck’s structure and ensures that components operate as intended under demanding conditions ².

Key Features

The 4975022 features a hexagonal flange head, which allows for easy and efficient torque application using standard tools. The screw has precise threading specifications that ensure a tight and secure fit. Additionally, the flange head design distributes the load more evenly, reducing the risk of stripping or damage to the fastened material. These unique characteristics distinguish it from other fasteners, making it particularly suited for heavy-duty applications ³.

Benefits

This part offers several advantages. Its design allows for enhanced torque application, ensuring that components are securely fastened. The flange head provides improved load distribution, which helps prevent damage to the material being fastened. Additionally, the screw’s high-strength material and precise threading offer increased resistance to loosening under vibration, making it reliable in dynamic environments typical of heavy-duty trucks ⁴.

Installation and Usage Guidelines

Proper installation of the 4975022 is crucial for ensuring its effectiveness. Recommended torque settings should be followed to achieve the correct tension without over-tightening, which could lead to damage. Tightening procedures should involve using the appropriate tools to apply torque evenly. Specific considerations may vary depending on the application, so it is important to consult the manufacturer’s guidelines for any unique requirements.

Troubleshooting and Maintenance

Common issues with Hexagonal Flange Head Cap Screws include loosening, corrosion, and damage. Regular inspections can help identify these problems early. If loosening is detected, re-tightening to the recommended torque settings is advised. Corrosion can be mitigated by using screws made from corrosion-resistant materials and applying protective coatings where necessary. Damaged screws should be replaced to maintain the integrity of the fastened components.

Cummins Overview

Cummins Inc. is a leading manufacturer in the automotive industry, known for its high-quality engines and components. Founded in 1919, Cummins has a long history of innovation and excellence. The company offers a wide range of products, including engines, filtration systems, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications. Cummins’ reputation for reliability and performance makes it a trusted name in the industry, ensuring that components like the 4975022 are built to the highest standards.

Cummins Engine Part 4975022: Hexagonal Flange Head Cap Screw

The Cummins part number 4975022, a Hexagonal Flange Head Cap Screw, is a critical component used across various Cummins engine models. This screw is designed to provide secure fastening in applications where a strong, reliable connection is essential. Below is a detailed description of how this part fits within the specified Cummins engines:

15N CM2380 M104B

In the 15N CM2380 M104B engine, the Hexagonal Flange Head Cap Screw is utilized in several critical areas, including securing the engine block to the cylinder head and other structural components. Its design ensures that the engine maintains its integrity under high stress and operational conditions.

ISX12 CM2350 X102, ISX12 G CM2180 EJ

For the ISX12 CM2350 X102 and ISX12 G CM2180 EJ engines, this screw is integral to the assembly of the turbocharger system, ensuring that all components are tightly fastened and properly aligned. The flange head design allows for easy access and adjustment, which is crucial for maintaining optimal performance and longevity of the turbocharger.

ISX12/ISX11.9 CM2250

In the ISX12/ISX11.9 CM2250 engines, the Hexagonal Flange Head Cap Screw is used in the fuel injection system, securing various components such as the injectors and fuel lines. This ensures that the fuel system operates efficiently and without leaks, which is vital for the engine’s performance and reliability.

ISZ13 CM2150 Z105, QSG12 CM2880 G112

For the ISZ13 CM2150 Z105 and QSG12 CM2880 G112 engines, this screw is employed in the exhaust system, fastening the exhaust manifold to the engine block. Its robust design helps to withstand the high temperatures and pressures within the exhaust system, ensuring a secure and leak-free connection.

QSV91-G4 CM558/CM700 V102, QSX11.9 CM2250 ECF

In the QSV91-G4 CM558/CM700 V102 and QSX11.9 CM2250 ECF engines, the Hexagonal Flange Head Cap Screw is used in the cooling system, securing the radiator and other cooling components. This ensures that the engine maintains optimal operating temperatures, preventing overheating and potential damage.

QSZ13 CM2150 Z101, QSZ13 CM2150 Z102

For the QSZ13 CM2150 Z101 and QSZ13 CM2150 Z102 engines, this screw is used in the transmission system, fastening various components to ensure smooth and reliable operation. Its design allows for easy maintenance and adjustment, which is crucial for the longevity of the transmission.

Z13 Z108G

In the Z13 Z108G engine, the Hexagonal Flange Head Cap Screw is used in the engine’s electrical system, securing wiring harnesses and other electrical components. This ensures that the electrical system operates efficiently and without interference, which is vital for the engine’s overall performance.

Each of these engines relies on the Hexagonal Flange Head Cap Screw to maintain structural integrity, secure critical components, and ensure reliable operation under demanding conditions.

Role of Part 4975022 Hexagonal Flange Head Cap Screw in Engine Systems

The 4975022 is integral to the secure assembly and operation of various engine components. Its application spans across different areas within the engine system, ensuring stability, alignment, and efficient performance.

Turbocharger Mounting

In turbocharger systems, the 4975022 screw is utilized for mounting the turbocharger to the engine block or manifold. This secure attachment is vital for maintaining the turbocharger’s position and alignment, which directly influences the efficiency of air compression and overall engine performance. The screw’s hexagonal flange head provides additional surface area for torque application, reducing the risk of stripping and ensuring a firm hold.

Radiator Support

The screw also plays a role in supporting the radiator within the engine compartment. By fastening the radiator to its frame or the vehicle’s chassis, it ensures that the radiator remains in the correct position. This is important for optimal coolant flow and heat dissipation, contributing to the engine’s thermal management.

Front Engine Arrangement

In the front engine arrangement, the 4975022 screw is employed to secure various components, such as brackets, covers, and auxiliary parts. Its use ensures that these components are held firmly in place, preventing movement that could lead to misalignment or damage. This contributes to the overall structural integrity and operational efficiency of the engine.

General Engine Support

Across the engine, the 4975022 screw is a common fastener for supporting different engine components. Whether it’s securing hoses, sensors, or other auxiliary parts, its role is to provide a reliable and durable connection. This support is essential for maintaining the precise arrangement and function of engine parts, ensuring smooth and efficient engine operation.

Conclusion

The 4975022 Hexagonal Flange Head Cap Screw is a critical component in the operation and maintenance of heavy-duty trucks and Cummins engines. Its robust design, reliable performance, and versatile applications make it an essential fastener for securing critical components under demanding conditions. Proper installation, regular maintenance, and understanding its role in various engine systems are key to ensuring the longevity and efficiency of the vehicle.