3871359
Set Screw
Cummins®

The Cummins 3871359 Set Screw is a specialized fastener designed for use in commercial trucks. Its purpose is to secure components in place, ensuring they remain fixed during operation. This part is particularly relevant in the context of heavy-duty applications where reliability and durability are paramount.

Basic Concepts of Set Screws

Set screws are mechanical fasteners used to secure an object within another object. They operate by applying pressure to a surface, which prevents movement. Typically, set screws are threaded into a hole and tightened against another part, creating a secure fit. They come in various types, including socket head, cup point, and flat point, each suited to different applications based on the required pressure and surface type ¹.

Purpose of the Cummins 3871359 Set Screw

This Cummins part plays a specific role in the operation of commercial trucks by securing components that are subject to vibration and movement. It is commonly used in applications where parts need to be held firmly in place, such as in the assembly of engine components, transmission systems, and other critical areas where stability is necessary for optimal performance.

Key Features

This part is characterized by its robust material composition, typically made from high-strength steel to withstand the rigors of heavy-duty use. Its design includes a hex socket head for easy installation and adjustment using common tools. Additionally, the screw features a conical point that allows it to dig into the mating surface, providing a secure hold even under dynamic conditions.

Benefits

Using this Cummins part offers several advantages in truck applications. Its durable construction ensures long-term reliability, reducing the need for frequent replacements. The secure hold it provides helps maintain the integrity of assembled components, contributing to the overall performance and safety of the vehicle. Furthermore, its ease of installation and adjustment makes it a practical choice for maintenance and repair tasks.

Installation and Usage

Proper installation of this part involves selecting the appropriate size and type for the specific application. It should be tightened to the manufacturer’s recommended torque specifications to ensure a secure fit without over-tightening, which could damage the screw or the mating surface. Common applications within truck maintenance and repair include securing bearings, gears, and other rotating components.

Troubleshooting and Maintenance

To troubleshoot issues related to set screws, it is important to inspect them regularly for signs of wear or loosening. Maintenance tips include checking the torque periodically and ensuring that the mating surfaces are clean and free of debris. If a set screw shows signs of damage or fails to hold components securely, it may need to be replaced to prevent further issues.

Manufacturer Information - Cummins

Cummins is a renowned manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. The company’s reputation is built on a history of producing reliable and high-performance components that meet the demanding requirements of commercial vehicle applications. Cummins’ dedication to excellence is evident in their rigorous testing and quality control processes, ensuring that their products, including the 3871359 Set Screw, deliver consistent performance and durability ².

Conclusion

The Cummins 3871359 Set Screw is a critical component in the maintenance and repair of commercial trucks. Its robust design, ease of use, and reliable performance make it an essential part for securing components in heavy-duty applications. Regular maintenance and proper installation are key to ensuring the longevity and effectiveness of this part in truck operations.