3332242
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3332242 and manufactured by Cummins, is a specialized fastener designed for commercial truck applications. Cummins, a well-established name in the automotive and heavy-duty truck industries, produces this screw to meet the rigorous demands of truck operations. This component is integral to ensuring the secure fastening of various parts within a truck’s structure, contributing to the vehicle’s overall reliability and performance ¹.

Basic Concepts

Hexagon Flange Head Cap Screws are engineered with a hexagonal flange head, which provides a broad bearing surface and facilitates easy installation and removal using standard tools. These screws are commonly used in the automotive industry for their ability to distribute clamping force evenly, reducing the risk of damage to the fastened materials. Their design allows for efficient torque application, ensuring a secure and stable connection ².

Purpose and Role in Truck Operation

The 3332242 Hexagon Flange Head Cap Screw plays a significant role in the operation of commercial trucks by securing critical components and assemblies. It is often used in applications where high tensile strength and resistance to vibration are required. By providing a reliable fastening solution, this screw helps maintain the integrity of truck structures, ensuring that parts remain securely in place under various operating conditions ³.

Key Features

The 3332242 Hexagon Flange Head Cap Screw boasts several key features that enhance its performance. Its hexagonal flange head design allows for easy installation and removal, while the screw’s material composition ensures durability and resistance to corrosion. The thread specifications are tailored to provide optimal clamping force, securing components effectively without causing damage.

Benefits

One of the primary advantages of the 3332242 Hexagon Flange Head Cap Screw is its enhanced fastening capabilities. The screw’s design minimizes the risk of loosening due to vibration, a common issue in truck operations. Additionally, its durability ensures long-term performance in demanding environments, reducing the need for frequent replacements. The screw’s resistance to corrosion further extends its lifespan, making it a reliable choice for commercial truck applications.

Installation Guidelines

Proper installation of the 3332242 Hexagon Flange Head Cap Screw is crucial for ensuring optimal performance and longevity. To install the screw, use a torque wrench to apply the recommended torque specifications, which can be found in the manufacturer’s guidelines. Ensure that the screw is aligned correctly with the fastening hole to avoid cross-threading. It is also important to periodically check the screw’s tightness, especially after initial installation, to maintain a secure connection.

Troubleshooting and Maintenance

Common issues with the 3332242 Hexagon Flange Head Cap Screw include corrosion, stripping, and loosening. To address these problems, regularly inspect the screw for signs of wear or damage. If corrosion is detected, clean the affected area and apply a corrosion-resistant coating. In cases of stripping, replace the screw to maintain the integrity of the fastening. Routine maintenance, such as periodic tightening and inspection, can help prolong the screw’s lifespan and ensure continued reliable performance.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation for quality, innovation, and customer satisfaction within the automotive and trucking sectors. The company’s commitment to excellence is evident in its diverse product offerings, which are designed to meet the demanding requirements of various industries. Cummins’ dedication to advancing technology and improving efficiency underscores its position as a trusted provider of automotive and heavy-duty truck components.

Cummins Engine Part 3332242: Hexagon Flange Head Cap Screw

The Cummins part number 3332242, a Hexagon Flange Head Cap Screw, is a critical component utilized across various Cummins engine models. This screw is designed to provide secure fastening in applications where high strength and durability are paramount. Below is a detailed overview of how this part integrates with different Cummins engine series.

B Series Engines

The B Series engines, including models B4.5 CM2350 B129B, B6.7 CM2350 B135B, B6.7 CM2670 B153B, B6.7 CM2670 B164C, and B6.7 G CMOH6.0 B125, utilize the 3332242 screw in various structural and assembly applications. These engines, known for their robust performance, benefit from the screw’s ability to withstand high torque and stress, ensuring reliable fastening in critical areas.

ISB Series Engines

The ISB Series engines, such as ISB CM850, ISB/ISD4.5 CM2150 B119, ISB/ISD6.7 CM2150 SN, ISB4.5 CM2350 B104, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISB6.7 G CM2180 B118, ISBE CM2150, ISBE CM800, ISBE4 CM850, and ISF4.5 CM2220 F123, incorporate the 3332242 screw in several key locations. These engines, recognized for their efficiency and power, require the screw’s precision and strength to maintain structural integrity and operational reliability.

ISX Series Engines

The ISX Series engine, specifically the ISX CM570, employs the 3332242 screw in its assembly. This engine, known for its high performance and durability, benefits from the screw’s ability to provide secure fastening in demanding environments.

QSB Series Engines

The QSB Series engines, including QSB4.5 CM2250 EC, QSB4.5 CM850 (CM2850), and QSB6.7 CM2250, also use the 3332242 screw. These engines, designed for versatility and reliability, rely on the screw’s robust construction to ensure secure and long-lasting connections.

D Series Engines

The D Series engine, D4.0 CM2620 D103B, utilizes the 3332242 screw in its assembly. This engine, known for its compact design and efficiency, benefits from the screw’s precision and strength to maintain structural integrity.

F Series Engines

The F Series engine, F4.5 CM2620 F139B, incorporates the 3332242 screw in its construction. This engine, recognized for its power and reliability, relies on the screw’s ability to provide secure fastening in critical applications.

The 3332242 Hexagon Flange Head Cap Screw is a versatile and essential component across various Cummins engine models, ensuring secure and reliable fastening in demanding operational environments.

Role of Part 3332242 Hexagon Flange Head Cap Screw in Engine Systems

Part 3332242, the Hexagon Flange Head Cap Screw, is integral to the assembly and functionality of various engine components. Its robust design ensures secure fastening and reliable performance under demanding conditions.

Alternator Mounting

In alternator mounting systems, the Hexagon Flange Head Cap Screw is used to firmly attach the alternator to the engine block or bracket. This secure connection is essential for maintaining the alternator’s alignment and ensuring consistent power output.

Auxiliary Cooling System

For auxiliary cooling systems, these screws are employed to fasten components such as radiator brackets, cooling fans, and heat exchangers. Their flanged head provides additional surface area, enhancing the screw’s grip and reducing the risk of loosening over time.

Charge Air Bypass Plumbing

In charge air bypass plumbing, the Hexagon Flange Head Cap Screw secures fittings, hoses, and pipes. This ensures a leak-free connection, which is vital for maintaining the integrity of the air supply to the engine.

Engine Lubricating Primer

The engine lubricating primer arrangement often utilizes these screws to attach priming pumps and related components. This secure attachment is necessary for the primer to function correctly, ensuring the engine receives adequate lubrication before start-up.

Fan Drive

For fan drive systems, the Hexagon Flange Head Cap Screw is used to attach the fan to the engine or its housing. This connection must be robust to withstand the dynamic forces generated by the fan’s operation.

Flywheel Housing

In flywheel housing assemblies, these screws are critical for securing the housing to the engine block. This ensures the flywheel operates within its designed parameters, contributing to smooth engine operation.

Front Drive Adapter

The front drive adapter, which connects the engine to the transmission, relies on these screws for a secure fit. This is essential for transmitting power efficiently from the engine to the drivetrain.

Fuel Filter

For fuel filter installations, the Hexagon Flange Head Cap Screw is used to attach the filter housing to the engine or frame. This secure connection prevents fuel leaks and ensures the filter operates effectively.

Long Block

In long block assemblies, these screws are used to attach various components such as sensor brackets, mounting plates, and ancillary devices. This ensures all parts are securely in place, contributing to the overall stability and performance of the engine.

Lubricating Oil Pump

The lubricating oil pump assembly often uses these screws to secure the pump housing and related components. This ensures the pump can operate efficiently, providing consistent oil flow to critical engine parts.

Oil Bypass Filter

For oil bypass filter systems, the Hexagon Flange Head Cap Screw is used to attach the filter housing and plumbing. This secure connection is essential for maintaining the filter’s effectiveness in removing contaminants from the oil.

Rear Gear Housing

In rear gear housing assemblies, these screws are used to secure the housing to the engine or transmission. This ensures the gears operate within their designed parameters, contributing to smooth power transmission.

Refrigerant Compressor

For refrigerant compressor installations, the Hexagon Flange Head Cap Screw is used to attach the compressor to the engine or mounting bracket. This secure connection is vital for the compressor’s efficient operation.

Rocker Lever

In rocker lever assemblies, these screws are used to secure the levers to the engine block or cylinder head. This ensures the levers operate smoothly, contributing to the engine’s valve timing and performance.

Service Kit

Service kits often include Hexagon Flange Head Cap Screws for replacing worn or damaged fasteners. These screws ensure that all new components are securely installed, maintaining the engine’s reliability and performance.

Conclusion

The 3332242 Hexagon Flange Head Cap Screw is a critical component in the assembly and operation of various Cummins engine models. Its robust design and reliable performance make it essential for securing critical components and ensuring the overall integrity and efficiency of engine systems. Proper installation and maintenance of this screw are vital for the longevity and reliability of commercial truck applications.