3638482
Hexagon Head Cap Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$134.95 $160.59

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 Cummins 3638482 Hexagon Head Cap Screw is a specialized fastener designed for use in commercial trucks. Cummins, a well-established name in the automotive industry, is known for its high-quality components that enhance the performance and reliability of heavy-duty vehicles. This particular screw is integral to various truck systems, ensuring secure and durable connections that withstand the rigors of commercial use.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. These screws are commonly used in mechanical assemblies to secure components together. They function by converting rotational force into axial force, which clamps the connected parts firmly in place. The hexagonal shape of the head provides a stable interface for tools, reducing the risk of slippage and ensuring precise torque application 1.

Purpose of the 3638482 Hexagon Head Cap Screw in Trucks

The 3638482 Hexagon Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various truck systems, including the engine, transmission, and chassis. This screw ensures that critical components remain securely fastened, which is vital for the safe and efficient operation of the vehicle. Its applications range from attaching engine components to securing parts of the truck’s frame, highlighting its versatility and importance in truck maintenance 2.

Key Features

The 3638482 Hexagon Head Cap Screw boasts several key features that contribute to its effectiveness and durability. It is made from high-strength materials, typically alloy steel, which provides excellent resistance to wear and corrosion. The screw features a coarse thread type, which allows for quick and secure fastening. Its head design is optimized for tool engagement, ensuring that it can be tightened and loosened with minimal effort and maximum precision. These features collectively enhance the screw’s performance in demanding commercial truck environments 3.

Benefits

Using the 3638482 Hexagon Head Cap Screw offers several benefits. The screw’s design ensures enhanced security, keeping components firmly in place even under significant stress. Its ease of installation is another advantage, as the hexagonal head allows for straightforward tightening with common tools. Additionally, the screw’s resistance to loosening over time reduces the need for frequent maintenance, contributing to overall vehicle reliability 4.

Installation Process

Proper installation of the 3638482 Hexagon Head Cap Screw is crucial for ensuring optimal performance and longevity. Begin by selecting the appropriate size and type of screw for the application. Clean the mating surfaces to remove any debris or corrosion that could affect the screw’s grip. Use a torque wrench to tighten the screw to the manufacturer’s specified torque settings, ensuring that it is secure without being overtightened. Finally, periodically check the screw for signs of loosening or damage, and retighten as necessary to maintain secure connections.

Troubleshooting and Maintenance

Common issues with the 3638482 Hexagon Head Cap Screw include corrosion and stripping. To address corrosion, regularly inspect the screw and its surroundings for signs of rust or degradation. Applying a corrosion-resistant coating can help prevent these issues. If stripping occurs, it may be necessary to replace the screw with a new one to ensure a secure connection. Routine maintenance, such as periodic retightening and inspection, can help prolong the service life of the screw and prevent unexpected failures.

Compatibility and Applications

The 3638482 Hexagon Head Cap Screw is typically used in various commercial truck systems, including the engine, transmission, and chassis. It is designed to be compatible with a wide range of truck models, ensuring versatile application across different makes and models. When selecting screws for specific applications, it is important to consider factors such as material compatibility, thread type, and load requirements to ensure optimal performance.

Cummins: Manufacturer Overview

Cummins is a renowned manufacturer in the automotive industry, with a long history of producing high-quality components for commercial vehicles. The company is known for its commitment to quality and innovation, consistently delivering products that meet the demanding requirements of heavy-duty applications. Cummins’ reputation for reliability and performance makes it a trusted name among fleet operators and maintenance professionals, ensuring that their components contribute to the safe and efficient operation of commercial trucks.

Cummins Hexagon Head Cap Screw 3638482 in Engine Applications

The Cummins Hexagon Head Cap Screw part number 3638482 is a critical component in various engine configurations. This screw is designed to provide robust fastening in demanding environments, ensuring the integrity and performance of the engine assemblies.

K50 and QSK19 CM850 MCRS

In the K50 engine, the 3638482 screw is utilized in several key areas, including securing engine mounts and various sub-assemblies. Its application in the QSK19 CM850 MCRS engine follows a similar pattern, where it plays a crucial role in maintaining the structural integrity of the engine by fastening critical components together.

QSK60 CM500 and QSK60 CM850 MCRS

For the QSK60 CM500 engine, the 3638482 screw is integral to the assembly of the engine’s main structure, ensuring that all parts are securely fastened. In the QSK60 CM850 MCRS engine, this screw is also used extensively, particularly in areas that require high strength and durability, such as the cylinder head and engine block connections.

The use of the 3638482 screw across these engines highlights its importance in maintaining the mechanical stability and operational efficiency of the engine assemblies. Its design and material properties make it suitable for the high-stress environments found in these engines.

Role of Part 3638482 Hexagon Head Cap Screw in Engine Systems

The part 3638482 Hexagon Head Cap Screw is integral to the assembly and functionality of various engine components. Its application spans across multiple systems, ensuring secure fastening and reliable performance.

Drive System

In the drive system, the 3638482 screw is utilized to fasten components that transmit power from the engine to other parts of the machinery. This includes securing belts, pulleys, and other drive components, ensuring they remain in place under operational stress.

Fan System

Within the fan system, the screw plays a role in attaching the fan blades to the fan hub. This secure attachment is vital for the fan’s ability to effectively cool the engine by dissipating heat, maintaining optimal operating temperatures.

Idler Assembly Fan

For the idler assembly fan, the 3638482 screw is employed to fasten the idler pulley to the fan housing. This ensures the pulley operates smoothly, adjusting the tension of the fan belt as needed to maintain efficient fan operation.

Idler Lever

In the context of the idler lever, the screw is used to secure the lever mechanism, which is responsible for adjusting the tension of various belts within the engine system. Proper tensioning is essential for the longevity and performance of these belts.

General Parts and Performance

Across various parts of the engine, the 3638482 screw contributes to the overall performance by providing a strong and durable fastening solution. Its use in securing covers, brackets, and other miscellaneous components ensures that these parts remain intact and function as intended under the demanding conditions of engine operation.

Conclusion

The Cummins 3638482 Hexagon Head Cap Screw is a vital component in the maintenance and operation of commercial trucks. Its robust design, ease of installation, and resistance to corrosion make it an essential part for securing various engine and truck components. Proper installation and maintenance of this screw ensure the longevity and reliability of the vehicle, contributing to safe and efficient operation.


  1. Giles, T. (2019). Automotive Engines Diagnosis Repair and Rebuilding. Cengage Learning.

  2. Xin, Q. (2011). Diesel Engine System Design. Woodhead Publishing Limited.

  3. Hilgers, M., & Achenbach, W. (2021). Vocational Vehicles and Applications. Springer Vieweg.

  4. Eret, A. (2024). Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves. Springer Nature.

SPECIFICATIONS

Package Dimensions
35.2 x 9.7 x 4.2 in
Weight
0.35 lb
* 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.