3089365
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3089365, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This screw is integral to the assembly and maintenance of heavy-duty trucks, ensuring secure fastening in various applications. Cummins’ reputation for quality and innovation underscores the reliability and performance of this part.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flange, which provides a larger bearing surface and aids in preventing the screw from being driven too deep into the material ¹. This design is particularly beneficial in heavy-duty applications where secure and stable fastening is required. The screw threads into a pre-drilled hole, creating a strong bond between components. In the context of heavy-duty trucks, these screws are used in various assemblies, including engine components, chassis parts, and other critical systems.

Purpose and Role in Truck Operation

The 3089365 Hexagon Flange Head Cap Screw plays a significant role in the operation of heavy-duty trucks by providing secure fastening in applications where vibration and stress are common ². It is used in engine mounts, bracket assemblies, and other areas where a robust connection is necessary. The screw’s design helps distribute load more evenly, reducing the risk of loosening over time, which is vital for the safe and efficient operation of the truck.

Key Features

The 3089365 Hexagon Flange Head Cap Screw features a hexagonal flange head, which offers several advantages. The hexagonal shape allows for easy tightening and loosening using a wrench, ensuring precise torque application. The flange provides additional surface area, which helps prevent the screw from sinking into the material and enhances the overall stability of the fastening. Additionally, the screw is typically made from high-strength materials, such as alloy steel, which contributes to its durability and resistance to corrosion, making it suitable for harsh operating conditions ³.

Benefits

Using the 3089365 Hexagon Flange Head Cap Screw offers several benefits. Its design enhances fastening security, reducing the likelihood of loosening due to vibration, which is common in heavy-duty truck operations ⁴. The flange head provides a larger bearing surface, improving load distribution and reducing stress on the fastened components. Furthermore, the high-strength material composition ensures longevity and resistance to corrosion, contributing to the overall reliability of the truck’s components.

Installation and Usage

Proper installation of the 3089365 Hexagon Flange Head Cap Screw is crucial for optimal performance. It should be installed in a pre-drilled hole that matches the screw’s diameter. Using a torque wrench to apply the recommended torque settings ensures that the screw is tightened to the appropriate level, avoiding over-tightening, which can lead to damage, or under-tightening, which can compromise the fastening. Following manufacturer guidelines for torque settings and best practices will help ensure the screw performs effectively and maintains its integrity over time.

Troubleshooting and Maintenance

Common issues with the 3089365 Hexagon Flange Head Cap Screw include loosening and corrosion. Regular inspections can help identify these issues early. If loosening is detected, re-tightening the screw to the recommended torque settings is usually sufficient. In cases of corrosion, cleaning the affected area and applying a corrosion-resistant coating can help prolong the screw’s service life. Routine maintenance, including checking for signs of wear or damage, will help ensure the screw continues to perform reliably.

Cummins Overview

Cummins is a renowned manufacturer with a long-standing reputation in the automotive and heavy-duty truck industry. The company is known for its commitment to quality, innovation, and customer satisfaction. Cummins’ extensive history and expertise in producing automotive components contribute to the reliability and performance of their products, including the 3089365 Hexagon Flange Head Cap Screw. Their dedication to advancing technology and maintaining high standards ensures that their components meet the demanding requirements of heavy-duty applications.

Hexagon Flange Head Cap Screw 3089365 in Cummins Engines

The Hexagon Flange Head Cap Screw 3089365 is a critical component in various Cummins engines, ensuring secure and reliable fastening. This part is integral to the assembly and maintenance of several engine models, providing a robust connection that withstands the operational stresses of these engines.

QSK38 CM2150 MCRS, QSK50 CM2150 MCRS

In the QSK38 CM2150 MCRS and QSK50 CM2150 MCRS engines, the 3089365 screw is used in applications where a strong, reliable fastening is required. Its design ensures that components remain securely attached, contributing to the overall integrity and performance of the engine.

QSK45 CM500, QSK60 CM500, QSK78 CM500

The 3089365 screw is also utilized in the QSK45 CM500, QSK60 CM500, and QSK78 CM500 engines. These engines benefit from the screw’s ability to maintain tight connections under high-stress conditions, ensuring that critical components remain in place and function as intended.

QSK50 CM2350 K108, QSK95 CM2350 K111, QSK95 CM2350 K113

In the QSK50 CM2350 K108, QSK95 CM2350 K111, and QSK95 CM2350 K113 engines, the 3089365 screw plays a vital role in securing various parts. Its flange head design provides a large surface area for torque application, ensuring that connections remain tight and secure throughout the engine’s operation.

QSK60 CM850 MCRS, QSK60 G CM2358 K110, QSK60G

For the QSK60 CM850 MCRS, QSK60 G CM2358 K110, and QSK60G engines, the 3089365 screw is essential for maintaining the structural integrity of the engine. Its use in these models ensures that components are fastened securely, contributing to the engine’s overall reliability and performance.

The consistent use of the 3089365 screw across various Cummins engine models underscores its importance in ensuring the engines’ operational efficiency and durability.

Part 3089365 Hexagon Flange Head Cap Screw Component Usage

The part 3089365 Hexagon Flange Head Cap Screw is integral to the assembly and securement of various components within engine systems. Its robust design ensures reliable fastening, which is essential for maintaining the integrity and performance of the engine.

Key Applications:

• Crankcase Breather Arrangement: This screw is used to secure the breather components, ensuring that the crankcase ventilation system operates efficiently. Proper sealing is vital to prevent oil leaks and maintain optimal engine performance.

• Rear Engine Support Arrangement: In the rear engine support arrangement, the screw plays a role in fastening the support brackets, which are critical for maintaining the structural stability of the engine, especially during operation.

• Shipping Bracket: During transportation, the screw is employed to secure shipping brackets, ensuring that engine components remain in place and are not damaged during transit.

• Crankcase Filter: The screw is utilized to attach the crankcase filter housing, which is essential for filtering contaminants from the engine oil, thereby prolonging the engine’s lifespan.

• Flexplate and Flywheel Housing: In the flexplate and flywheel housing, the screw ensures that these components are securely fastened. This is important for the smooth transmission of power from the engine to the transmission system.

• Electronic Control Module Wiring Harness: The screw is used to secure the wiring harness in place, protecting the sensitive electronic components and ensuring reliable electrical connections.

• Air Cleaner Mounting: It fastens the air cleaner to the engine, ensuring that the air intake system is securely mounted and functions correctly to provide clean air to the engine.

• Aftercooler Water Plumbing: In the aftercooler water plumbing system, the screw secures components, ensuring that the cooling system operates efficiently to maintain optimal engine temperature.

• Fuel Transfer Pump: The screw is used to attach the fuel transfer pump, ensuring that it is securely mounted and functions correctly to deliver fuel to the engine.

• Accessory Support System: In the accessory support system, the screw fastens various accessories, ensuring they are securely mounted and do not interfere with engine operation.

• Auxiliary Cooling System: The screw secures components within the auxiliary cooling system, ensuring that the system operates efficiently to manage engine temperature under various operating conditions.

• Ignition System: It is used to fasten ignition system components, ensuring that they are securely mounted and function correctly to provide reliable ignition for the engine.

The part 3089365 Hexagon Flange Head Cap Screw is a versatile fastener that plays a significant role in the securement and reliability of various engine components. Its application across different systems underscores its importance in maintaining the overall performance and durability of the engine.

Conclusion

The 3089365 Hexagon Flange Head Cap Screw is a vital component in the assembly and maintenance of heavy-duty trucks and Cummins engines. Its robust design, characterized by a hexagonal flange head, ensures secure and reliable fastening in various applications. The screw’s ability to withstand vibration and stress, coupled with its high-strength material composition, makes it suitable for harsh operating conditions. Proper installation and maintenance are crucial for optimal performance, ensuring that the screw continues to provide reliable fastening throughout the engine’s operation.