3967283
Hexagon Head Cap Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$18.95 $22.55

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 Hexagon Head Cap Screw, specifically Part #3967283 by Cummins, is a vital component in the maintenance and operation of commercial trucks. Cummins, a renowned manufacturer in the industry, produces this screw with a focus on durability and performance. This part is integral to ensuring the secure fastening of various components within the truck’s mechanical systems.

Basic Concepts of Hexagon Head Cap Screw

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. This design ensures a firm grip, reducing the risk of slippage during installation. In mechanical systems, cap screws are commonly used to fasten components that require frequent disassembly or adjustment. Their threaded design provides a strong and reliable connection, essential for the integrity of the assembly 1.

Purpose of the 3967283 Hexagon Head Cap Screw in Truck Operation

The 3967283 Hexagon Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is designed to secure critical components, ensuring they remain firmly in place under various operating conditions. By providing a stable and durable fastening solution, this screw contributes to the overall functionality and safety of the vehicle. Its application ranges from engine components to chassis parts, highlighting its versatility and importance in truck maintenance 2.

Key Features of the 3967283 Hexagon Head Cap Screw

The 3967283 Hexagon Head Cap Screw boasts several distinctive characteristics. Its hexagonal head design allows for easy and secure tightening, minimizing the risk of damage to the screw or the surrounding components. The screw is manufactured from high-quality materials, ensuring enhanced durability and resistance to corrosion. Cummins employs unique manufacturing processes to further improve the screw’s performance, making it a reliable choice for commercial truck applications 3.

Benefits of Using the 3967283 Hexagon Head Cap Screw

Using the 3967283 Hexagon Head Cap Screw offers several advantages. Its durable construction ensures long-lasting performance, even under demanding conditions. The screw’s design resists loosening, maintaining a secure fastening over time. Additionally, the hexagonal head facilitates easy installation and removal, allowing for efficient maintenance and repairs. These benefits contribute to the screw’s reputation as a dependable fastening solution in the commercial truck industry.

Installation and Usage Guidelines

Proper installation of the 3967283 Hexagon Head Cap Screw is crucial for ensuring a secure and lasting fastening. Begin by cleaning the mating surfaces to remove any debris or contaminants. Use the appropriate wrench or socket to tighten the screw to the specified torque, typically provided in the manufacturer’s guidelines. It is important to follow these torque specifications to avoid over-tightening, which can damage the screw or the component being fastened. Additionally, using the recommended tools ensures a precise and secure installation.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening over time and corrosion. To identify these issues, regularly inspect the screws during maintenance checks. Signs of loosening may include increased vibration or unusual noises, while corrosion can be spotted as discoloration or rust on the screw. To prolong the lifespan of the screw, apply a corrosion-resistant coating and ensure proper torque during installation. If signs of wear or damage are present, it is advisable to replace the screw to maintain optimal performance and safety.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to quality and innovation. Founded in 1919, Cummins has a rich history of producing reliable and high-performance engine and component solutions. The company’s product range includes engines, filtration systems, and aftermarket parts, all designed to meet the demanding needs of commercial trucking. Cummins’ dedication to excellence is evident in its rigorous manufacturing processes and continuous investment in research and development, ensuring that its components, like the 3967283 Hexagon Head Cap Screw, deliver exceptional performance and durability.

Hexagon Head Cap Screw 3967283 in Cummins Engines

The Cummins part number 3967283, a Hexagon Head Cap Screw, is integral to the assembly and maintenance of several Cummins engine models. This screw is utilized in various applications across different engine configurations, ensuring secure fastening and reliable performance.

4B3.9 and 6B5.9 Engines

In the 4B3.9 and 6B5.9 engines, the Hexagon Head Cap Screw 3967283 is employed in several critical areas. These engines, known for their robust design and efficiency, require precise fastening to maintain structural integrity and operational efficiency. The screw is often used in securing components such as engine blocks, cylinder heads, and other critical assemblies, ensuring that these parts remain tightly fastened under the high stresses and temperatures encountered during operation.

6C8.3 Engine

The 6C8.3 engine also benefits from the use of the Hexagon Head Cap Screw 3967283. This engine, designed for heavy-duty applications, demands reliable fastening solutions to withstand the rigors of continuous operation. The screw is used in various applications, including securing engine mounts, brackets, and other structural components, ensuring that the engine remains stable and performs optimally under demanding conditions.

B5.9 GAS PLUS CM556 Engine

The B5.9 GAS PLUS CM556 engine incorporates the Hexagon Head Cap Screw 3967283 in its assembly. This engine, which combines the efficiency of gas operation with the power of diesel engines, relies on this screw for securing various components. The screw is used in applications where precise fastening is crucial, such as attaching components to the engine block and other critical assemblies, ensuring that the engine operates smoothly and reliably.

Each of these engines, with their unique configurations and requirements, utilizes the Hexagon Head Cap Screw 3967283 to maintain structural integrity and ensure reliable performance. This screw is a testament to Cummins’ commitment to quality and precision in their engine designs.

Role of Part 3967283 Hexagon Head Cap Screw in Engine Systems

The Part 3967283 Hexagon Head Cap Screw is integral to the assembly and operation of various engine components. Its primary function is to provide secure fastening, ensuring that components remain firmly in place under operational stress.

Compressor and Refrigerant Systems

In compressor and refrigerant systems, the Hexagon Head Cap Screw is used to fasten the compressor housing to the mounting bracket. This secure attachment is essential for maintaining the structural integrity of the compressor, allowing it to operate efficiently without risk of misalignment or detachment. Additionally, it ensures that the refrigerant pathways remain sealed, preventing leaks that could compromise system performance.

Fuel Pump and Flywheel Housing

Within the fuel pump assembly, the Hexagon Head Cap Screw plays a significant role in attaching the fuel pump to its housing. This secure fastening is vital for maintaining the pump’s alignment and ensuring consistent fuel delivery. Similarly, in the flywheel housing, the screw is used to attach the flywheel to the housing, ensuring that the flywheel operates smoothly and without undue vibration, which is essential for the engine’s balanced operation.

Coupling and Mounting Applications

The screw is also employed in various coupling applications, such as the fuel pump coupling. Here, it ensures that the coupling remains intact, facilitating the transfer of rotational force from the engine to the fuel pump. In mounting applications, whether for the refrigerant compressor or the fuel pump, the Hexagon Head Cap Screw provides the necessary tension to keep components in place, reducing the risk of operational failure.

Overall System Integrity

Across these applications, the consistent use of the Hexagon Head Cap Screw contributes to the overall integrity and reliability of the engine system. Its role in securing critical components ensures that each part functions as intended, contributing to the engine’s efficiency, durability, and performance.

Conclusion

The 3967283 Hexagon Head Cap Screw by Cummins is a critical component in the maintenance and operation of commercial trucks and engines. Its durable construction, secure fastening capabilities, and versatile applications make it an essential part in ensuring the reliability and performance of various mechanical systems. Proper installation, regular maintenance, and timely replacement are key to maximizing the benefits of this Cummins part.


  1. Automotive Braking Systems, Nicholas Goodnight and Kirk Van Gelder, Jones & Bartlett Learning, 2018

  2. Vocational Vehicles and Applications, Michael Hilgers, Springer Nature, 2023

  3. Fundamentals of Vehicle Dynamics and Modelling, Bruce P. Minaker, John Wiley Sons, 2019

* 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.