3280765
Hexagon Head Cap Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$5.49 $6.53

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 3280765 Hexagon Head Cap Screw, manufactured by Cummins, is a specialized fastener designed for use in commercial trucks. Cummins, a well-established name in the commercial truck industry, produces a range of components and parts that are integral to the performance and reliability of heavy-duty vehicles. This Cummins part plays a significant role in the assembly and maintenance of commercial trucks.

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. The design of the hexagonal head provides a secure grip, minimizing the risk of cam-out during installation. These screws are commonly used in various fastening applications due to their strength and reliability. The threads of the screw engage with the material being fastened, creating a secure connection that can withstand significant loads and vibrations 1.

Purpose of the 3280765 Hexagon Head Cap Screw in Truck Operation

The 3280765 Hexagon Head Cap Screw serves multiple functions in the operation of commercial trucks. It is utilized in the assembly of engine components, where it helps secure critical parts in place, ensuring the engine operates smoothly and efficiently. Additionally, it is used in the chassis and other structural components of the truck, contributing to the overall integrity and stability of the vehicle. Its role in these areas underscores the importance of reliable fastening solutions in heavy-duty applications 2.

Key Features

The 3280765 Hexagon Head Cap Screw boasts several key features that make it suitable for demanding applications. Its hexagonal head design allows for easy and secure installation using standard tools. The screw is composed of high-quality materials, ensuring durability and resistance to wear and tear. It features a specific thread type that provides a strong and secure connection, and may include special coatings or treatments to enhance corrosion resistance and longevity.

Benefits

The benefits of using the 3280765 Hexagon Head Cap Screw in commercial trucks are numerous. Its durable construction and high-quality materials contribute to enhanced durability, making it suitable for long-term use in demanding environments. The screw’s design and material composition offer excellent corrosion resistance, protecting it from the effects of moisture and other environmental factors. Additionally, its ease of installation and reliable performance make it a preferred choice for maintenance and repair tasks in the commercial truck industry 3.

Installation Guidelines

Proper installation of the 3280765 Hexagon Head Cap Screw is crucial to ensure a secure and lasting fastening. It is recommended to use the appropriate tools, such as a wrench or socket, to tighten the screw to the specified torque. Following the manufacturer’s torque specifications ensures that the screw is installed correctly without over-tightening, which could damage the screw or the material being fastened. Best practices include cleaning the installation area to remove any debris or contaminants that could affect the screw’s performance.

Troubleshooting and Maintenance

Common issues that may arise with the 3280765 Hexagon Head Cap Screw include loosening, corrosion, or damage. Regular inspection and maintenance can help identify and address these issues before they lead to more significant problems. If a screw appears loose, it should be re-tightened to the specified torque. Corrosion can be mitigated by applying a protective coating or replacing the screw if necessary. Damaged screws should be replaced to maintain the integrity of the fastening.

Compatibility and Applications

The 3280765 Hexagon Head Cap Screw is commonly used in various applications within commercial trucks. It is compatible with a range of engine components, chassis parts, and other critical areas where secure fastening is required. Its versatility and reliability make it a valuable component in the maintenance and repair of commercial trucks.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and aftermarket parts. With a strong reputation for quality and innovation, Cummins has been a trusted name in the commercial truck industry for many years. The company’s commitment to excellence is evident in its product range, which includes components like the 3280765 Hexagon Head Cap Screw, designed to meet the demanding requirements of heavy-duty applications.

Hexagon Head Cap Screw 3280765 in Cummins Engines

The Cummins part number 3280765, a Hexagon Head Cap Screw, is a critical component in various Cummins engine models. This screw is integral to the assembly and maintenance of several engine types, ensuring structural integrity and operational efficiency.

4B3.9 and 6B5.9 Engines

In the 4B3.9 and 6B5.9 engines, the Hexagon Head Cap Screw 3280765 is used in multiple applications. These engines, known for their robust design and reliability, often require precise fastening solutions to maintain the alignment and stability of engine components. The screw’s hexagonal head provides a secure grip for wrenches, facilitating easy installation and removal during maintenance procedures.

QSB6.7 M CM2250 and QSC8.3 CM850 (CM2850) Engines

For the QSB6.7 M CM2250 and QSC8.3 CM850 (CM2850) engines, the Hexagon Head Cap Screw 3280765 plays a similar role. These engines, which are part of Cummins’ lineup of high-performance diesel engines, demand high-quality fasteners to withstand the rigors of heavy-duty operations. The screw’s design ensures that it can handle the stresses and vibrations inherent in these powerful engines, contributing to their longevity and performance.

In all these engines, the Hexagon Head Cap Screw 3280765 is used in various applications, including securing engine covers, mounting brackets, and other critical components. Its use in these engines underscores Cummins’ commitment to quality and reliability in their engine designs.

Role of Part 3280765 Hexagon Head Cap Screw in Engine Systems

The part 3280765 Hexagon Head Cap Screw is integral to the assembly and secure functioning of various engine components. Its application spans across multiple systems, ensuring stability, efficiency, and durability.

Isolator and Vibration Control

In engine systems, isolators are used to minimize the transmission of vibrations from the engine to the vehicle’s chassis. The 3280765 Hexagon Head Cap Screw plays a significant role here by securely fastening isolators to their mounts. This secure attachment ensures that the isolators can effectively dampen vibrations, contributing to a smoother ride and reduced wear on surrounding components.

Mounting and Structural Integrity

When it comes to mounting various engine components, the 3280765 Hexagon Head Cap Screw provides the necessary tensile strength to keep parts firmly in place. Whether securing the engine to the chassis or attaching ancillary components, this screw ensures that all mounted parts remain stable under the dynamic conditions of engine operation.

Radiator Support

The radiator is a vital component for maintaining engine temperature within optimal ranges. The 3280765 Hexagon Head Cap Screw is often used in the assembly of radiator support structures. By securely fastening the radiator to its support frame, it ensures that the radiator remains in the correct position, allowing for efficient coolant flow and heat dissipation.

Power Train Assembly

In the power train, which includes the engine, transmission, and driveshaft, the 3280765 Hexagon Head Cap Screw is employed to fasten various components together. This includes securing the engine to the transmission and ensuring that all power train elements are aligned correctly. Proper fastening is essential for the efficient transfer of power from the engine to the wheels, enhancing overall vehicle performance.

Conclusion

In summary, the 3280765 Hexagon Head Cap Screw is a versatile fastener that contributes to the secure and efficient operation of multiple engine systems. Its role in isolating vibrations, ensuring structural integrity, supporting the radiator, and assembling the power train underscores its importance in maintaining the overall functionality and reliability of engine components.


  1. Awari, G.K., Kumbhar, V.S., & Tirpude, R.B. (2011). Automotive Systems Principles and Practice. CRC Press.

  2. Denton, T., & Pells, H. (2022). Automotive Technician Training Theory. Routledge.

  3. Cummins Inc. (n.d.). Fault Code Troubleshooting Manual, Bulletin Number 5579958, Engine: L9 CM2670 L135C.

SPECIFICATIONS

Comments
M16 x 90
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
14.0 x 4.0 x 4.0 in
Weight
0.178 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.