3638714
Hexagon Head Set Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$11.95 $14.22

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The 3638714 Hexagon Head Set Screw, manufactured by Cummins, is a specialized fastener designed for use in commercial trucks. Cummins, a well-established name in the automotive and heavy-duty truck industry, produces this set screw to meet the rigorous demands of truck operation and maintenance. This component is integral to ensuring the secure attachment of various parts within the truck’s engine and other mechanical systems.

Basic Concepts of Hexagon Head Set Screws

A Hexagon Head Set Screw is a type of fastener characterized by its hexagonal-shaped head, which allows for easy and secure tightening using a wrench or socket. These screws are commonly used in machinery and vehicles to prevent components from moving or vibrating loose. Mechanically, the set screw functions by applying pressure against a surface, thereby creating a frictional force that holds parts in place. This is particularly useful in applications where alignment and stability are crucial 1.

Purpose of the 3638714 Hexagon Head Set Screw in Truck Operation

The 3638714 Hexagon Head Set Screw plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various application areas, including securing pulleys, gears, and other rotating components within the engine and transmission systems. By ensuring these parts remain firmly in place, the set screw contributes to the overall efficiency and reliability of the truck’s mechanical systems. Its functional importance lies in maintaining the precise alignment and stability of critical components, which is vital for the smooth operation of the vehicle 2.

Key Features

The 3638714 Hexagon Head Set Screw boasts several key features that enhance its performance and durability. Its hexagonal head design allows for straightforward installation and removal using standard tools. The screw is typically made from high-strength materials such as alloy steel, which provides excellent resistance to wear and corrosion. Additionally, the screw may feature a unique thread design that offers superior holding power, ensuring that components remain securely fastened even under significant stress and vibration.

Benefits

Using the 3638714 Hexagon Head Set Screw offers several benefits. One of the primary advantages is improved security, as the screw’s design and material composition ensure a strong and reliable hold. Ease of installation is another benefit, thanks to the hexagonal head, which allows for quick and efficient tightening. Furthermore, the screw’s resistance to vibration and loosening ensures that components remain securely attached over time, reducing the need for frequent maintenance and replacement.

Installation and Usage

Proper installation of the 3638714 Hexagon Head Set Screw is crucial for optimal performance. It is recommended to use the appropriate wrench or socket to achieve the correct torque specification, ensuring that the screw is tightened to the manufacturer’s recommended levels. This prevents over-tightening, which can damage the screw or the component it is securing, and under-tightening, which can lead to loosening over time. Following these guidelines helps maintain the screw’s effectiveness and longevity 3.

Troubleshooting and Maintenance

Common issues with the 3638714 Hexagon Head Set Screw may include loosening due to vibration or wear and corrosion over time. Regular inspection and maintenance can help identify these problems early. Signs of wear or failure, such as visible damage to the screw or components becoming misaligned, should be addressed promptly to prevent further issues. Maintenance tips include periodic tightening of the screw to ensure it remains secure and replacing it if significant wear or corrosion is detected.

Cummins: Manufacturer Overview

Cummins is a renowned manufacturer with a long-standing reputation in the automotive and heavy-duty truck industry. The company has a history of innovation and commitment to quality, producing a wide range of automotive components that meet the demanding requirements of commercial vehicles. Cummins’ dedication to excellence is evident in their rigorous testing and quality control processes, ensuring that their products, including the 3638714 Hexagon Head Set Screw, deliver reliable performance and durability.

Compatibility with Cummins Engines

The Cummins Hexagon Head Set Screw part number 3638714 is a versatile component designed to fit various Cummins engines. This screw is integral in securing different parts within the engine assembly, ensuring stability and proper alignment. Below is a detailed description of its compatibility with specific Cummins engines:

K50 Series

The K50 series engines, including the K50, benefit from the 3638714 screw in several applications. This screw is often used in securing smaller components and assemblies within the engine, providing the necessary hold to withstand operational stresses.

KTA38GC CM558

In the KTA38GC CM558 engine, the 3638714 screw is utilized in various critical areas. Its robust design ensures that it can handle the high torque and pressure conditions typical of this engine model, maintaining the integrity of the engine’s internal components.

QSK38 Series

The QSK38 series engines, specifically the QSK38 CM2150 MCRS and QSK38 CM850 MCRS, incorporate the 3638714 screw in multiple configurations. This screw is essential for securing parts that require precise alignment and fastening, contributing to the overall durability and performance of the engine.

QSK50 Series

The QSK50 series engines, including the QSK50 CM2150 K107, QSK50 CM2150 MCRS, QSK50 CM2350 K108, utilize the 3638714 screw in various applications. This screw is particularly important in areas where high precision and strength are required, ensuring that components remain securely fastened under demanding operational conditions.

The 3638714 screw’s compatibility across these engines highlights its importance in maintaining the structural integrity and operational efficiency of Cummins engines. Its design and material properties make it suitable for a wide range of applications within these engine models.

Role of Part 3638714 Hexagon Head Set Screw in Engine Systems

In the intricate assembly of engine systems, the part 3638714 Hexagon Head Set Screw serves as a vital fastening component, ensuring the secure attachment and stability of various parts.

Base Parts

Within the foundational structure of an engine, commonly referred to as base parts, the Hexagon Head Set Screw is instrumental. It is utilized to fasten critical components to the engine block, ensuring that these parts remain firmly in place under the dynamic conditions of engine operation. This secure attachment is essential for maintaining the structural integrity and alignment of the engine’s components, facilitating efficient operation and longevity.

Water Pump

The water pump, a component responsible for circulating coolant throughout the engine to regulate temperature, also benefits from the secure fastening provided by the Hexagon Head Set Screw. It is used to attach the water pump to the engine block or other mounting surfaces, ensuring that the pump remains stable and aligned. This stability is important for the pump’s efficiency in maintaining optimal engine temperature, thereby preventing overheating and potential engine damage.

Water Pump Kit

In the context of a water pump kit, which often includes the water pump along with gaskets, seals, and other necessary components for a complete replacement or repair, the Hexagon Head Set Screw plays a role in assembling these parts. It is used to secure the water pump to the engine and to fasten various components within the kit together, ensuring a leak-free and efficient cooling system. This assembly is key to the kit’s function in providing a comprehensive solution for engine cooling system repairs or upgrades.

Through its application in these components, the part 3638714 Hexagon Head Set Screw demonstrates its importance in maintaining the structural and functional integrity of engine systems. Its role in securing and stabilizing components is fundamental to the efficient and reliable operation of the engine.

Conclusion

The 3638714 Hexagon Head Set Screw is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its design, material composition, and application across various engine systems highlight its importance in ensuring the secure attachment and stability of critical components. Proper installation, regular maintenance, and understanding its role in engine systems are essential for maximizing the performance and longevity of this Cummins part.


  1. Saiful Bari, Diesel Engine Combustion, Emissions and Condition Monitoring, InTech, 2013.

  2. Allan Bonnick, A Practical Approach to Motor Vehicle Engineering and Maintenance, Elsevier, 2004.

  3. John Heywood, Internal Combustion Engine Fundamentals, McGraw-Hill Education, 2019.

SPECIFICATIONS

Notes
Item Not Shown In Art.
Package Dimensions
4.0 x 1.0 x 1.0 in
Weight
0.023 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.