3924962
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3924962 and manufactured by Cummins, is a significant component in commercial truck maintenance. This screw is designed for heavy-duty trucks, providing secure fastening for various components. Its robust construction and specialized design make it suitable for the demanding conditions encountered in commercial trucking.

Basic Concepts and Functionality

The Hexagon Flange Head Cap Screw features a unique structure, including a hexagonal head, a flange, and a cap. Typically made from high-strength steel, this part offers durability and resistance to stresses in heavy-duty applications. The hexagonal head allows for efficient tightening with a wrench, ensuring a secure fit. The flange distributes the clamping force over a larger surface area, reducing the risk of damage to the material being fastened. The cap at the end of the screw protects it from corrosion and debris, enhancing its longevity ¹.

Role in Truck Operation

The 3924962 Hexagon Flange Head Cap Screw contributes to the secure fastening of components, which is essential for maintaining structural integrity and safety in truck operation. By providing a strong and reliable connection between parts, it ensures that the truck can withstand the rigors of heavy-duty use. This is particularly important in applications where vibrations and dynamic loads are common, as the screw’s design helps prevent loosening over time ².

Key Features

This Cummins part boasts several key features that make it well-suited for its intended application. The hexagonal head allows for easy and precise tightening, while the flange prevents the screw from being driven too far into the material, which could lead to damage. The cap at the end of the screw offers protection against corrosion and debris, extending the screw’s service life. These features combine to provide a screw that is both functional and durable in heavy-duty truck environments ³.

Benefits

The benefits of using the 3924962 Hexagon Flange Head Cap Screw include enhanced durability, resistance to loosening, and improved load distribution. These attributes contribute to the overall performance and longevity of the truck. The screw’s design ensures that it can withstand the high stresses and vibrations associated with heavy-duty use, providing a reliable fastening solution that helps maintain the integrity of the truck’s components.

Troubleshooting and Maintenance

Common issues associated with Hexagon Flange Head Cap Screws may include corrosion or loosening over time. Regular inspection and maintenance are recommended to ensure optimal performance. If corrosion is detected, the affected screw should be replaced to prevent further degradation. Additionally, adhering to proper torque specifications during installation helps ensure that the screw is tightened to the correct level, reducing the risk of loosening. Routine checks and timely replacements, when necessary, are key practices in maintaining the effectiveness of these screws.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history rooted in diesel engine technology, Cummins has established itself as a trusted name in the commercial truck industry. The company is committed to innovation and quality, providing solutions that meet the demanding requirements of heavy-duty applications. Cummins’ expertise in engine and component design ensures that their products, including the 3924962 Hexagon Flange Head Cap Screw, are built to deliver reliable performance in the most challenging conditions.

Hexagon Flange Head Cap Screw 3924962 in Cummins Engines

The Cummins Hexagon Flange Head Cap Screw part number 3924962 is a versatile component utilized across a variety of Cummins engines. This screw is designed to provide secure fastening in high-stress environments, ensuring the integrity of engine assemblies.

ISB Series Engines

The ISB series engines, including the ISB, ISB CM550, ISB CM850, ISB3.9 CM2220 B107, ISB5.9 CM2880 B110, ISB5.9 CM2880 B127, ISB5.9 CM2880 B140, ISB5.9 CM2880 B149, and ISB5.9G CM2180, all benefit from the use of the 3924962 screw. This part is integral in securing various engine components, ensuring that the engine maintains its structural integrity under operational stresses.

ISC Series Engines

The ISC series engines, specifically the ISC CM554 and ISC CM850, also incorporate the 3924962 screw. This part is used in applications where a robust fastening solution is required, such as securing engine covers or other critical components.

QSB Series Engines

In the QSB series, the 3924962 screw is used in the QSB3.9 30 CM550 and QSB3.9 CM2880 B138 engines. Its application in these engines ensures reliable fastening, contributing to the overall durability and performance of the engine.

B Series Engines

The B series engines, including B3.9, B4.5, B5.6 CM2670 B152B, B5.9, B5.9 CM2670 B166C, B5.9 G, and B5.9 GAS PLUS CM556, utilize the 3924962 screw in various configurations. This part is essential in securing different engine components, ensuring that the engine operates smoothly and efficiently.

6 Series Engines

The 6 series engines, specifically the 6B5.9 and 6C8.3, also incorporate the 3924962 screw. Its use in these engines is critical for maintaining the structural integrity of the engine components under high operational loads.

G Series Engines

The G series engines, including G5.9 and G5.9 CM558, use the 3924962 screw in their construction. This part ensures that the engine components are securely fastened, contributing to the overall reliability and performance of the engine.

The 3924962 screw is a testament to Cummins’ commitment to quality and reliability, providing a dependable fastening solution across a wide range of their engines.

Role of Part 3924962 Hexagon Flange Head Cap Screw in Engine Systems

The part 3924962 Hexagon Flange Head Cap Screw is integral to the assembly and functionality of various engine components. Its design allows for secure fastening, which is essential for maintaining the integrity and performance of the engine system.

Air Intake Connection

In the air intake system, the Hexagon Flange Head Cap Screw ensures a tight seal between the air intake components. This secure fastening prevents air leaks, which could otherwise compromise engine efficiency and performance.

Compressor Coolant Arrangement

Within the compressor coolant arrangement, this screw plays a role in securing coolant passages and connections. Proper fastening is vital to maintain coolant flow and prevent leaks, ensuring the compressor operates within optimal temperature ranges.

Cylinder Block

The cylinder block relies on the Hexagon Flange Head Cap Screw to secure various attachments and components, such as sensors and mounting brackets. This securement is essential for the structural integrity of the cylinder block and the overall engine.

Electronic Control Module Wiring Harness

In the electronic control module (ECM) wiring harness, the screw is used to fasten wiring components securely. This ensures that electrical connections remain intact, reducing the risk of short circuits or intermittent connections that could affect engine performance.

Engine Block

The engine block utilizes the Hexagon Flange Head Cap Screw to secure critical components such as the front gear cover and flywheel housing. This fastening ensures that these components remain aligned and function correctly, contributing to the engine’s smooth operation.

Engine Control Module

Similar to the ECM wiring harness, the engine control module itself may use this screw to secure its housing and internal components. This ensures that the ECM remains protected and functions reliably.

Engine Cooling Fan Shroud

The engine cooling fan shroud relies on the Hexagon Flange Head Cap Screw to maintain its structural integrity. Secure fastening ensures that the shroud remains in place, directing airflow effectively to cool the engine components.

Exhaust Gas Recirculation Mixer Venturi

In the exhaust gas recirculation (EGR) system, the screw is used to secure the mixer venturi. Proper fastening ensures that the EGR system functions correctly, reducing emissions and improving engine efficiency.

Exhaust Recirculation

The exhaust recirculation components also benefit from the secure fastening provided by the Hexagon Flange Head Cap Screw. This ensures that recirculated exhaust gases are effectively mixed with the intake air, enhancing combustion efficiency.

Flywheel Housing

The flywheel housing uses this screw to secure the flywheel and related components. This is essential for maintaining the alignment and balance of the flywheel, which is critical for smooth engine operation.

Front Gear Cover

The front gear cover is another component that relies on the Hexagon Flange Head Cap Screw for secure attachment to the engine block. This ensures that the gear cover remains in place, protecting internal components from contaminants.

Fuel Filter Head Kit

In the fuel filter head kit, the screw is used to secure the filter housing. This ensures that the fuel filter remains properly seated, allowing for effective filtration and maintaining fuel system integrity.

Fuel Plumbing

Fuel plumbing components may also use this screw to secure fittings and connections. This ensures that fuel lines remain intact, preventing leaks and maintaining consistent fuel delivery to the engine.

Gear Cover Mounting

The gear cover mounting process utilizes the Hexagon Flange Head Cap Screw to secure the gear cover to the engine. This ensures that the gear cover remains in place, protecting internal gears and components.

Heat Exchanger

Within the heat exchanger, the screw is used to secure various components and connections. This ensures that the heat exchanger operates efficiently, maintaining optimal temperature control for the engine.

Marine Gear Oil Cooler

The marine gear oil cooler relies on the Hexagon Flange Head Cap Screw to secure its components. This ensures that the cooler functions effectively, maintaining the optimal temperature of the gear oil.

Oil Level Gauge

The oil level gauge may use this screw to secure its housing and components. This ensures that the gauge remains accurately positioned, providing reliable oil level readings.

Short Block Kit

In a short block kit, the screw is used to secure various components within the engine block. This ensures that the short block remains structurally sound and functions correctly.

Timing Pin Housing

The timing pin housing utilizes the Hexagon Flange Head Cap Screw to secure the timing pin in place. This is essential for maintaining accurate timing, which is critical for engine performance.

Turbocharger Arrangement

The turbocharger arrangement may use this screw to secure turbocharger components. This ensures that the turbocharger remains properly aligned and functions efficiently, enhancing engine performance.

Wiring Accessories

Finally, various wiring accessories within the engine system may use the Hexagon Flange Head Cap Screw to secure wiring harnesses and connections. This ensures that electrical systems remain intact, reducing the risk of malfunctions.

Conclusion

The 3924962 Hexagon Flange Head Cap Screw is a critical component in the maintenance and operation of heavy-duty trucks and Cummins engines. Its robust design, key features, and benefits make it an essential part for ensuring the structural integrity and performance of various engine components. Regular maintenance and proper installation practices are vital to maximize the effectiveness and longevity of this Cummins part.