3680953
Studded Flange Cap Screw
Cummins®

The Studded Flange Cap Screw, part number 3680953, manufactured by Cummins, is a component designed for use in commercial trucks. Cummins, a well-established name in the automotive industry, specializes in diesel engines and components, ensuring high-quality and reliable parts for heavy-duty applications. This part is specifically engineered for use in heavy-duty trucks, where it plays a significant role in securing various components.

Basic Concepts and Functionality

A Studded Flange Cap Screw is a type of fastener that incorporates a flange and studs into its design. This screw is used in truck mechanics to secure flanges and other components, providing a stable and secure connection. The flange at the end of the screw distributes the load over a larger area, reducing the risk of damage to the connected components. The studs enhance the screw’s functionality by allowing for easier installation and removal, as well as providing additional strength to the connection ¹.

Purpose of the 3680953 Studded Flange Cap Screw

This Cummins part is designed to contribute to the integrity and performance of truck components, especially in high-stress environments. It plays a role in securing critical components, ensuring they remain firmly in place under various operating conditions. This screw is particularly useful in applications where vibrations and dynamic loads are common, as it helps maintain the structural integrity of the truck.

Key Features

The 3680953 Studded Flange Cap Screw boasts several key features that enhance its performance and durability. It is made from high-strength materials, ensuring it can withstand the rigors of heavy-duty truck applications. The screw features a specific thread type that provides a secure fit, reducing the likelihood of loosening over time. The flange design allows for even distribution of load, minimizing stress on the connected components. Additionally, the screw may have unique attributes such as corrosion resistance or a special coating to further enhance its durability ².

Benefits

Using the 3680953 Studded Flange Cap Screw in truck maintenance and repair offers several benefits. Its design provides improved security compared to standard cap screws, ensuring components remain firmly in place. The durability of the screw means it can withstand the harsh conditions of heavy-duty truck applications, reducing the need for frequent replacements. Additionally, the ease of installation, thanks to the studs, makes it a practical choice for maintenance and repair tasks.

Installation and Usage

Proper installation of the 3680953 Studded Flange Cap Screw is crucial for optimal performance and longevity. It is recommended to follow torque specifications provided by the manufacturer to ensure the screw is tightened to the correct level. Using the appropriate tools, such as a torque wrench, can help achieve the desired tightness. Best practices include cleaning the installation area to remove any debris that could affect the screw’s performance and inspecting the screw regularly for signs of wear or damage.

Troubleshooting and Maintenance

Common issues with Studded Flange Cap Screws, such as loosening or corrosion, can be addressed through proper troubleshooting and maintenance. If a screw appears loose, it should be tightened to the manufacturer’s specifications. Corrosion can be prevented by applying a protective coating or using screws made from corrosion-resistant materials. Regular inspection and maintenance can help prolong the life of the screw and ensure continued reliable performance.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established itself as a trusted name in the automotive industry. The company’s expertise in diesel engines and components, combined with its commitment to quality and innovation, ensures that its products, like the 3680953 Studded Flange Cap Screw, meet the high standards required for heavy-duty truck applications.

Compatibility with Cummins Engines

This part is a critical component in the assembly and maintenance of various Cummins engines. Below is a detailed overview of its compatibility with the listed Cummins engines:

• 15N CM2380 M104B: Integral to the assembly, providing essential fastening for flanges.
• ISM CM876 and QSM11 CM876: Utilized to secure various flanges, ensuring proper alignment and fastening.
• ISX CM570, ISX CM870, ISX CM871: Required for the proper fastening of flanges, maintaining engine structural integrity.
• ISX12 G CM2180 EJ: Used to fasten flanges, ensuring a secure and reliable connection.
• ISX15 CM2250 and ISX15 CM2250 SN: A key component in the assembly, fastening flanges for proper alignment.
• ISX15 CM2350 X101: Essential for fastening flanges, contributing to engine structural integrity.
• X15 CM2350 X116B, X15 CM2350 X123B, X15 CM2450 X134B: Utilized to secure flanges, ensuring proper alignment and fastening.

Role of Part 3680953 in Engine Systems

Air Intake Connection Location

The 3680953 studded flange cap screw is instrumental in securing the air intake connection location. This component ensures a tight and reliable seal between the air intake system and the engine block. By maintaining this seal, the screw helps prevent air leaks, which can adversely affect engine performance and efficiency. Its robust design withstands the vibrations and pressures inherent in the air intake process, ensuring consistent airflow to the engine.

Engine Oil Cooler

In the context of the engine oil cooler, the 3680953 studded flange cap screw plays a significant role in maintaining the integrity of the oil cooling system. It secures the connections between the oil cooler and the engine, ensuring that the oil pathways remain sealed. This is essential for efficient heat dissipation from the engine oil, which in turn helps maintain optimal oil viscosity and prolongs the life of engine components. The screw’s design allows it to handle the thermal expansion and contraction that occur within the cooling system.

Turbocharger Arrangement

For the turbocharger arrangement, the 3680953 studded flange cap screw is vital in securing the turbocharger to the engine and exhaust system. This ensures that the turbocharger operates within its designed parameters, enhancing engine performance by providing forced induction. The screw’s ability to withstand high temperatures and pressures is crucial in this application, as it helps maintain the structural integrity of the turbocharger mounting, preventing any potential failure that could lead to decreased engine efficiency or damage.

Conclusion

The 3680953 Studded Flange Cap Screw is a critical component in the maintenance and operation of heavy-duty trucks, particularly those equipped with Cummins engines. Its design and features ensure secure fastening of critical components, contributing to the overall performance and longevity of the truck. Proper installation, regular maintenance, and understanding its role in various engine systems are essential for maximizing the benefits of this part.