4096989
Hexagon Flange Head Cap Screw
Cummins®

The Cummins Hexagon Flange Head Cap Screw, identified by part number 4096989, is a specialized fastener designed for use in commercial trucks. Cummins, a well-respected name in the automotive and heavy-duty truck industry, produces this component to meet the rigorous demands of truck mechanics and operations. This screw is integral to ensuring the secure assembly of various truck components, contributing to the overall reliability and performance of commercial vehicles.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient tightening and loosening using standard tools, while the flange provides additional surface area to distribute load and prevent the screw from sinking into softer materials. In a truck’s mechanical system, this screw plays a role in fastening components that require both strength and stability. Its design ensures that it can withstand significant stress without compromising the integrity of the assembly ¹.

Purpose and Role

The 4096989 Hexagon Flange Head Cap Screw serves a vital function in the operation of a truck by securely fastening critical components. It is commonly used in applications where vibration and dynamic loads are present, such as in the engine, transmission, and chassis. By providing a robust connection, this screw helps maintain the structural integrity of the truck, ensuring that parts remain firmly in place under various operating conditions. Its application extends to both static and dynamic components, making it a versatile fastener in truck maintenance and repair ².

Key Features

The 4096989 Hexagon Flange Head Cap Screw boasts several key features that enhance its performance and reliability. Its hexagonal head design allows for easy and precise tightening using common tools, reducing the risk of damage to the screw or surrounding components. The flange at the base of the screw provides additional surface area, which helps distribute the load more evenly and prevents the screw from embedding into softer materials. Additionally, the screw is typically made from high-strength materials, such as alloy steel, which offers superior durability and resistance to corrosion.

Benefits

The 4096989 Hexagon Flange Head Cap Screw offers several benefits that make it an ideal choice for commercial truck applications. Its enhanced durability ensures long-lasting performance even under demanding conditions. The resistance to loosening, thanks to its design and material composition, reduces the need for frequent re-tightening. Furthermore, the ease of installation and removal simplifies maintenance procedures, allowing for quicker and more efficient repairs.

Installation Process

Proper installation of the 4096989 Hexagon Flange Head Cap Screw is crucial for ensuring its effectiveness and longevity. Begin by cleaning the mating surfaces to remove any debris or corrosion. Use a torque wrench to tighten the screw to the specified torque settings, which can typically be found in the vehicle’s service manual or on the packaging. It is important to follow the recommended torque sequence to ensure even distribution of load. After installation, periodically check the screw for proper torque to maintain its integrity over time.

Troubleshooting and Maintenance

Common issues with the 4096989 Hexagon Flange Head Cap Screw include loosening due to vibration and corrosion from exposure to the elements. To troubleshoot these problems, first, ensure that the screw is properly torqued. If loosening persists, consider using a thread locker or applying an anti-seize compound to prevent future issues. Regular inspection for signs of corrosion is also important. If corrosion is detected, clean the affected area and apply a protective coating to prevent further degradation. Maintaining the screw in this manner will help ensure its longevity and optimal performance.

Cummins Overview

Cummins is a renowned manufacturer with a long-standing reputation in the automotive and heavy-duty truck industry. Founded in 1919, the company has a history of innovation and quality, producing a wide range of components that are trusted by professionals worldwide. Cummins is committed to delivering reliable and high-performance parts, backed by extensive research and development. Their dedication to quality and customer satisfaction has established them as a leader in the industry, making their products, including the 4096989 Hexagon Flange Head Cap Screw, a preferred choice for commercial truck applications ³.

Cummins Hexagon Flange Head Cap Screw 4096989 in Engine Applications

The Cummins Hexagon Flange Head Cap Screw part number 4096989 is a critical component in the assembly and maintenance of various Cummins engines. This part is designed to provide secure fastening in applications where high strength and durability are essential.

QSB6.7 CM2350 B105 Engines

In the QSB6.7 CM2350 B105 engines, the 4096989 screw is utilized in several key areas. These engines are known for their robust performance and reliability, often used in heavy-duty applications such as construction equipment, agricultural machinery, and marine vessels. The screw’s flange head design ensures a tight and even distribution of pressure, which is crucial for maintaining the integrity of engine components under high stress conditions.

Grouping of Engines

The engines QSB6.7 CM2350 B105 are part of a series that share common design principles and components. The use of the 4096989 screw in these engines highlights its versatility and importance in ensuring the structural integrity of the engine assemblies. This screw is particularly effective in environments where frequent vibrations and dynamic loads are present, making it an ideal choice for these applications.

The consistent use of the 4096989 screw across these engines underscores its reliability and effectiveness in demanding conditions. Its design and material properties make it suitable for use in high-performance and heavy-duty engines, ensuring that the engine components remain securely fastened and operational under various stress factors.

Role of Part 4096989 Hexagon Flange Head Cap Screw in Engine Systems

The part 4096989 Hexagon Flange Head Cap Screw is integral in securing various components within engine systems, ensuring stability and efficiency in operation.

Connection

In engine assemblies, this screw is often used to fasten components that require a robust and secure connection. Its hexagonal flange head design allows for easy tightening and loosening, which is essential during maintenance or repairs. The screw ensures that parts remain firmly in place, reducing the risk of vibrations that could lead to component failure over time.

Air Transfer

For systems involving air transfer, such as intake manifolds or turbochargers, the 4096989 screw plays a role in maintaining airtight seals. By securely fastening gaskets and seals, it helps prevent air leaks, which can compromise engine performance and efficiency. Proper sealing is vital for optimal air-fuel mixture and combustion.

Gauge

In applications where gauges are installed, such as pressure or temperature sensors, the screw ensures that these gauges are accurately positioned and remain stable. This is important for precise readings, which are essential for monitoring engine health and performance. A secure attachment prevents gauges from shifting or becoming misaligned, which could lead to inaccurate data.

Oil Level

For oil level sensors and related components, the 4096989 screw is used to ensure that these parts are correctly installed and do not move during engine operation. Accurate oil level readings are crucial for maintaining proper lubrication and preventing engine damage. The screw’s design allows for a tight seal, which is necessary to prevent oil leaks and ensure the sensor functions correctly.

Conclusion

The Cummins Hexagon Flange Head Cap Screw part number 4096989 is a vital component in the assembly and maintenance of commercial trucks and Cummins engines. Its design, featuring a hexagonal head and flanged base, ensures secure fastening and stability under demanding conditions. The screw’s high-strength material composition and resistance to corrosion make it an ideal choice for applications where durability and reliability are paramount. Proper installation and maintenance of this part are crucial for ensuring the longevity and optimal performance of truck and engine systems.