3282081
Hexagon Flange Head Cap Screw
Cummins®

Introduction

This article provides an overview of the Hexagon Flange Head Cap Screw (Part #3282081) manufactured by Cummins. It is designed for use in commercial trucks and plays a role in securing various components. The article covers its purpose, key features, benefits, and maintenance suggestions.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by a hexagonal head and a flanged base. The hexagonal head allows for easy tightening and loosening using a wrench or socket, while the flange provides additional surface area for distribution of clamping force. These screws are commonly used in applications requiring a combination of strength and resistance to loosening ¹.

Purpose and Function

The 3282081 Hexagon Flange Head Cap Screw by Cummins is utilized in commercial trucks to secure components that require a high degree of stability and resistance to vibration. It is often found in engine assemblies, transmission systems, and chassis components where reliable fastening is necessary ².

Key Features

• Hexagonal head for wrench or socket engagement.
• Flanged base for enhanced clamping force distribution.
• High-strength material construction to withstand heavy-duty applications.
• Zinc or other coatings for corrosion resistance.

Benefits

• Provides secure fastening in high-vibration environments.
• Distributes clamping force effectively, reducing the risk of component damage.
• Resistant to corrosion, extending service life in various operating conditions.
• Easy to install and remove using standard tools.

Troubleshooting and Maintenance

Regular inspection of Hexagon Flange Head Cap Screws is recommended to ensure they remain tight and free of corrosion. If corrosion is detected, the affected screws should be cleaned and re-coated or replaced as necessary. In cases where screws show signs of wear or damage, replacement is advised to maintain the integrity of the fastened components ³.

Cummins Engine Compatibility with Hexagon Flange Head Cap Screw Part 3282081

The Cummins part 3282081, a Hexagon Flange Head Cap Screw, is a versatile component designed to fit a wide range of Cummins engines. This screw is engineered to provide secure fastening in various engine applications, ensuring reliable performance and durability.

The part 3282081 is compatible with the following engines:

• 4B3.9
• 6B5.9
• 6C8.3
• B4.5
• B4.5 RGT
• B5.9 CM2670 B166C
• B5.9 G
• B5.9 GAS PLUS CM556
• B6.7 CM2350 B135B
• B6.7 CM2670 B153B
• B6.7 CM2670 B164C
• B6.7 G CMOH6.0 B125
• C GAS PLUS CM556
• C8.3 G
• G5.9
• G5.9 CM558
• G8.3
• ISB CM2150
• ISB CM550
• ISB CM850
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB5.9 CM2880 B127
• ISB5.9G CM2180
• ISB6.7 CM2250

This screw is designed to meet the stringent requirements of Cummins engines, ensuring that it provides a secure and reliable fastening solution across these various engine models. Whether used in smaller engines like the B4.5 or larger models such as the 6B5.9, the part 3282081 is engineered to deliver consistent performance and reliability.

Role of Part 3282081 Hexagon Flange Head Cap Screw in Engine Systems

The part 3282081 Hexagon Flange Head Cap Screw is integral in securing and maintaining the integrity of various engine components. Its application spans across multiple systems, ensuring that each part functions optimally and remains securely in place.

Accessory Drive Kit

In the accessory drive kit, the Hexagon Flange Head Cap Screw is used to fasten components such as the idler pulley and belt tensioner. This ensures that the drive belts remain taut and the accessories, including the alternator and water pump, operate efficiently.

Air Compressor

For the air compressor, this screw plays a role in attaching the compressor to its mounting bracket. Secure fastening is essential to prevent vibrations and ensure consistent air pressure output.

Air Intake Connection

The screw is employed in the air intake connection to secure the intake manifold to the engine block. This connection is vital for maintaining airtight seals, which are necessary for optimal engine performance.

Alternator Drive and Mounting

In the alternator drive system, the Hexagon Flange Head Cap Screw is used to attach the alternator to its mounting bracket and to secure the drive belt. This ensures that the alternator operates smoothly and generates consistent electrical output.

Engine Installation Kit

Within the engine installation kit, this screw is utilized to fasten various components to the engine block. This includes securing the engine lubricating primer and ensuring that all parts are correctly aligned and tightly fastened.

Exhaust Recirculation

For the exhaust recirculation system, the screw is used to attach the recirculation valve to the engine. Proper attachment is necessary to ensure that exhaust gases are effectively recirculated, reducing emissions and improving engine efficiency.

Fan Drive and Belt

In the fan drive system, the Hexagon Flange Head Cap Screw is used to secure the fan drive belt and the fan drive pulley. This ensures that the cooling fan operates efficiently, maintaining optimal engine temperature.

Lubricating Oil Pump

The screw is also used in the lubricating oil pump to secure the pump housing and ensure that the pump operates without leaks, providing consistent lubrication to engine components.

Rocker Lever and Assembly

In the rocker lever and top-level assembly, the Hexagon Flange Head Cap Screw is used to secure the rocker arms to the engine block. This ensures precise valve operation and maintains engine performance.

Service Kit

Within the service kit, this screw is used for various applications, including securing the water pump and ensuring that all service components are correctly installed and tightened.

Water Pump and Drive

Finally, in the water pump and drive system, the screw is used to attach the water pump to the engine and secure the drive pulley. This ensures that the water pump operates efficiently, maintaining consistent coolant flow and engine temperature.

Conclusion

The 3282081 Hexagon Flange Head Cap Screw by Cummins is a critical component in the maintenance and operation of commercial truck engines. Its design and features ensure secure fastening, resistance to corrosion, and ease of use, making it an essential part for various engine systems. Regular maintenance and inspection of this part are recommended to ensure the continued reliability and performance of the engine.