3420843
Double End Plain Stud
Cummins®

The Double End Plain Stud, part number 3420843 by Cummins, is a critical component in commercial truck applications, especially in heavy-duty trucks. Its design and function are tailored to meet the demanding requirements of truck mechanics, ensuring reliable performance in various truck systems.

Basic Concepts

A Double End Plain Stud is a type of fastener characterized by threaded sections on both ends, allowing it to be screwed into components from both sides ¹. This design facilitates secure connections in applications where traditional bolts might not be feasible. In truck mechanics, these studs are integral to assembling and maintaining engine and chassis components, providing a robust and durable fastening solution.

Purpose of the 3420843 Double End Plain Stud

This Cummins part serves a specific role in the operation of a truck. It is utilized in both engine and chassis components, where it helps to secure parts that are subject to high stress and vibration. By providing a strong and stable connection, this stud contributes to the overall integrity and performance of the truck’s mechanical systems.

Key Features

The 3420843 Double End Plain Stud is designed with specific characteristics that enhance its performance. It features precise thread specifications and a defined length, ensuring compatibility with various truck components ². The material used in its construction is chosen for its strength and resistance to wear, making the stud suitable for heavy-duty applications. Additionally, any unique attributes, such as a specific coating or treatment, further contribute to its durability and functionality.

Benefits

The advantages of using the 3420843 Double End Plain Stud include improved durability, enhanced resistance to wear, and ease of installation. Its robust design allows it to withstand the rigors of heavy-duty truck operations, while its precise threading ensures a secure fit. The ease of installation reduces downtime during maintenance procedures, contributing to overall efficiency.

Installation Process

Installing the 3420843 Double End Plain Stud requires following a specific procedure to ensure proper fitting. The process involves selecting the appropriate tools, such as a torque wrench, to achieve the correct tightening specifications ³. Best practices include cleaning the installation area to prevent contamination and verifying that the stud is aligned correctly before tightening. These steps help to ensure a secure and lasting connection.

Common Applications

The 3420843 Double End Plain Stud finds typical use in various truck systems, demonstrating its versatility and importance. It is commonly applied in engine components, where it secures parts that are critical to the engine’s operation. Additionally, it is used in chassis components, contributing to the structural integrity of the truck. Its widespread application across different systems highlights its significance in truck mechanics.

Troubleshooting and Maintenance

Identifying potential issues with the 3420843 Double End Plain Stud, such as corrosion or thread damage, is important for maintaining its performance. Regular inspections can help detect these issues early, allowing for timely repairs or replacements. Recommended maintenance practices include cleaning the stud and its surrounding area to prevent buildup that could lead to corrosion, and ensuring that it is tightened to the manufacturer’s specifications to avoid over-tightening or under-tightening.

Cummins Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its wide range of products and strong reputation. With a history of innovation and quality, Cummins provides solutions that enhance the performance and reliability of commercial vehicles. The company’s commitment to excellence is reflected in its products, including the 3420843 Double End Plain Stud, which is designed to meet the high standards required for heavy-duty truck applications.

Compatibility with Various Engines

The Double End Plain Stud, part number 3420843, is engineered to fit seamlessly within a range of Cummins engine models, ensuring reliable performance and durability across various applications.

QSV81G and QSV91G Engines

The QSV81G and QSV91G engines are part of the Cummins QSV series, known for their robust design and efficiency. The Double End Plain Stud 3420843 is specifically crafted to integrate with these engines, providing a secure connection in critical areas. Its design ensures that it can withstand the operational stresses and thermal cycles inherent in these high-performance engines.

QSW/QSV82 Engines

The QSW/QSV82 engines represent another segment where the Double End Plain Stud 3420843 is utilized. These engines are designed for heavy-duty applications, and the stud’s ability to maintain integrity under high loads is crucial. The part’s precision engineering guarantees a perfect fit, contributing to the overall reliability and longevity of the engine.

QSW27 and QSW36 Engines

The QSW27 and QSW36 engines are known for their versatility and adaptability in various industrial settings. The Double End Plain Stud 3420843 is engineered to fit these engines, ensuring that they can operate smoothly and efficiently. The stud’s design allows for easy installation and removal, facilitating maintenance and repair processes.

QSW73 Engine

The QSW73 engine is another model where the Double End Plain Stud 3420843 is a key component. This engine is designed for demanding applications, and the stud’s robust construction ensures that it can handle the rigors of continuous operation. Its precise fit and reliable performance are essential for maintaining the engine’s operational integrity.

Each of these engines benefits from the Double End Plain Stud 3420843, which is designed to provide a secure and durable connection. This part’s compatibility with the listed engines underscores its importance in ensuring the smooth and efficient operation of Cummins engines across various applications.

Role of Part 3420843 Double End Plain Stud in Engine Systems

The Part 3420843 Double End Plain Stud is integral to the assembly and functionality of various engine components. It serves as a vital connection point, ensuring secure and reliable fastening across multiple systems.

Block and Cylinder Assembly

In the block and cylinder assembly, the Double End Plain Stud is used to fasten components securely. It ensures that the cylinder block remains intact under the high pressures and temperatures generated during engine operation. This stud helps maintain the structural integrity of the block, which is essential for the overall performance and longevity of the engine.

Deaerator Assembly Connection

Within the deaerator assembly connection, the stud plays a role in securing the deaerator to the engine block. This connection is important for the efficient removal of air from the cooling system, which helps prevent corrosion and ensures optimal cooling performance.

Heat Exchanger

In the heat exchanger assembly, the Double End Plain Stud is used to fasten the exchanger to the engine block or other components. This ensures efficient heat transfer, which is vital for maintaining engine temperature within safe operating limits.

Motor and Starting Systems

For the motor assembly starter and starting assembly motor, the stud is employed to secure the starter motor to the engine block. This connection is essential for the reliable starting of the engine, ensuring that the starter motor can deliver the necessary torque to crank the engine.

Water Pump and Related Assemblies

In the water pump and water assembly pump, the stud is used to fasten the pump to the engine block or other components. This ensures that the water pump can operate efficiently, providing consistent coolant flow through the engine to maintain optimal operating temperatures.

Wiring Harness

Although less common, the Double End Plain Stud may also be used in securing components of the wiring harness to the engine block or other sturdy points. This ensures that electrical connections remain secure and undisturbed, which is important for the reliable operation of engine electronics.

Overall, the Part 3420843 Double End Plain Stud is a versatile fastener that plays a significant role in the secure assembly and operation of various engine components.

Conclusion

The 3420843 Double End Plain Stud by Cummins is a vital component in the realm of heavy-duty truck mechanics. Its robust design, precise threading, and compatibility with various engine models make it an indispensable part for ensuring the secure and efficient operation of truck systems. Regular maintenance and proper installation are key to maximizing its performance and longevity.