3328617
Studded Captive Washer Screw
Cummins®

The Studded Captive Washer Screw, identified by Part #3328617, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This screw plays a significant role in the maintenance and operation of heavy-duty trucks, ensuring the secure attachment of various components and contributing to the overall structural integrity of the vehicle ¹.

Basic Concepts

A Studded Captive Washer Screw is a type of fastener that includes a threaded stud, a captive washer, and a screw head. The captive washer is designed to remain attached to the stud, preventing loss during installation and providing a consistent and reliable fastening solution. Within a truck’s mechanical system, this screw is used to secure components that require a high level of durability and resistance to vibration and stress ².

Purpose and Role

The 3328617 Studded Captive Washer Screw serves to secure various components within a truck, ensuring they remain firmly in place under operational conditions. Its role is vital in maintaining the structural integrity of the truck, particularly in areas subjected to significant stress and vibration. By providing a secure attachment point, it helps prevent component failure and ensures the safe and efficient operation of the vehicle ³.

Key Features

The 3328617 Studded Captive Washer Screw is characterized by several key features that enhance its performance. Its design includes a threaded stud that allows for easy installation and removal, a captive washer that stays attached to the stud, and a screw head that provides a secure grip for tools. The material composition of the screw is chosen for its durability and resistance to corrosion, making it suitable for use in harsh environments.

Benefits

The use of the 3328617 Studded Captive Washer Screw offers several benefits. Its design contributes to improved durability and enhanced fastening capabilities, ensuring components remain securely attached. Additionally, the captive washer feature reduces the risk of washer loss during installation, streamlining the process and potentially leading to cost savings for fleet operators through reduced maintenance and replacement needs.

Installation Process

Proper installation of the 3328617 Studded Captive Washer Screw involves several steps to ensure optimal performance. Begin by identifying the correct location for the screw and ensuring the surface is clean and free of debris. Insert the stud through the designated hole and use the appropriate tool to tighten the screw head, ensuring it is secure but not overtightened. It is important to follow manufacturer guidelines to avoid common pitfalls such as over-torquing, which can lead to damage.

Troubleshooting and Maintenance

Common issues with the 3328617 Studded Captive Washer Screw may include loosening due to vibration or corrosion over time. Regular inspection and maintenance are recommended to identify and address these issues promptly. Maintenance practices should include checking for signs of corrosion, ensuring the screw remains tight, and replacing the screw if any damage is detected. This proactive approach helps ensure the continued reliability and safety of the truck.

Manufacturer - Cummins

Cummins is a renowned manufacturer in the automotive and heavy-duty truck industry, known for its commitment to producing high-quality components. With a rich history and a strong reputation for reliability and innovation, Cummins continues to be a trusted source for automotive parts, including the 3328617 Studded Captive Washer Screw. Their dedication to quality and performance ensures that their products meet the demanding requirements of heavy-duty applications.

Studded Captive Washer Screw (Part 3328617) in Cummins Engines

The Studded Captive Washer Screw, part number 3328617, is a critical component in various Cummins engine models. This part is designed to secure and stabilize different engine parts, ensuring the integrity and performance of the engine. Here is a detailed look at how this part integrates with specific Cummins engines:

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

The Studded Captive Washer Screw is used in the ISM series engines to secure various components, ensuring that parts remain tightly fastened under operational stresses. This is particularly important in the ISM CM570 and ISM CM870 models, where the screw helps maintain the alignment and stability of critical engine parts.

ISX Series Engines

• ISX CM570
• ISX CM870
• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101

In the ISX series, the Studded Captive Washer Screw is employed in several configurations to ensure the durability and reliability of the engine. For instance, in the ISX15 CM2250 and ISX15 CM2350 X101 engines, this screw is used to secure components that are subjected to high stress and vibration, ensuring that the engine operates smoothly and efficiently.

ISZ Series Engines

• ISZ13 CM2150 Z105

The ISZ13 CM2150 Z105 engine utilizes the Studded Captive Washer Screw to secure parts that are critical to the engine’s performance. This screw helps maintain the structural integrity of the engine, ensuring that all components are properly aligned and fastened.

L10 Series Engines

• L10 CELECT
• L10 GAS

In the L10 series engines, the Studded Captive Washer Screw is used to secure various components, ensuring that the engine operates with precision and reliability. This screw is particularly important in maintaining the alignment of parts that are crucial for the engine’s performance.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS

The M11 CELECT and M11 CELECT PLUS engines use the Studded Captive Washer Screw to secure components that are essential for the engine’s operation. This screw helps maintain the structural integrity of the engine, ensuring that all parts are properly aligned and fastened.

QSG12/X12 Series Engines

• QSG12/X12 CM2350 G110

In the QSG12/X12 CM2350 G110 engine, the Studded Captive Washer Screw is used to secure components that are critical to the engine’s performance. This screw helps maintain the alignment and stability of parts that are subjected to high stress and vibration.

QSM11 Series Engines

• QSM11 CM570

The QSM11 CM570 engine utilizes the Studded Captive Washer Screw to secure various components, ensuring that the engine operates with precision and reliability. This screw is particularly important in maintaining the structural integrity of the engine.

QSZ13 Series Engines

• QSZ13 CM2150 Z101
• QSZ13 CM2150 Z102

In the QSZ13 series engines, the Studded Captive Washer Screw is used to secure components that are critical to the engine’s performance. This screw helps maintain the alignment and stability of parts that are subjected to high stress and vibration.

X15 Series Engines

• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2450 X134B

The X15 series engines use the Studded Captive Washer Screw to secure various components, ensuring that the engine operates with precision and reliability. This screw is particularly important in maintaining the structural integrity of the engine, ensuring that all parts are properly aligned and fastened.

Role of Part 3328617 Studded Captive Washer Screw in Engine Systems

The Part 3328617 Studded Captive Washer Screw is instrumental in ensuring the secure assembly and reliable operation of various engine components. Its applications span across multiple systems, contributing to the overall integrity and functionality of the engine.

Air Intake System

In the air intake system, this screw is used at the air intake connection to firmly attach the air intake manifold to its mounting points. This secure attachment is vital for maintaining the airtight seal necessary for optimal airflow into the engine.

Cooling System

Within the cooling system, the screw plays a part in the assembly of the engine oil cooler and the radiator. It ensures that these components are tightly fastened to their respective mounting brackets, which is essential for efficient heat dissipation and maintaining engine temperature within safe limits.

Fuel System

For the fuel system, the screw is employed in the fuel filter assembly, securing it in place and preventing any potential leaks that could arise from vibrations or movement.

Lubrication System

In the lubrication system, the screw is critical for the secure attachment of the oil pan and oil pan cover. It also plays a role in the oil replenishing system, ensuring that all components are tightly sealed to prevent oil leaks and maintain proper lubrication throughout the engine.

Auxiliary Systems

The screw is also found in auxiliary systems such as the auxiliary pump and the cabin heater plumbing. Here, it ensures that these systems are securely mounted and sealed, contributing to their efficient operation and longevity.

Turbocharger and Thermostat Housing

In more complex engine setups, the screw is used in the turbocharger arrangement and the thermostat housing. Its role in these components is to provide a secure and vibration-resistant connection, which is essential for the high-performance environments these parts operate in.

Hand Hole Cover and Railcar Installation

Additionally, the screw is utilized in the attachment of the hand hole cover and in the railcar installation package. This ensures that access points and installation components are securely fastened, facilitating easier maintenance and robust installation.

Saloon Heater

Lastly, in the saloon heater system, the screw ensures that the heater is securely mounted, which is important for consistent and reliable heating performance within the vehicle’s cabin.

Overall, the Part 3328617 Studded Captive Washer Screw is a versatile component that enhances the secure assembly and operational reliability of a wide range of engine and auxiliary systems.

Conclusion

The 3328617 Studded Captive Washer Screw is a critical component in the maintenance and operation of heavy-duty trucks and Cummins engines. Its design and features contribute to the secure attachment of various components, ensuring the structural integrity and reliable operation of the vehicle. Proper installation, regular maintenance, and understanding its role in different engine systems are essential for maximizing the benefits of this Cummins part.