3919666
Double End Plain Stud
Cummins®

The Double End Plain Stud, identified by Part #3919666, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This stud serves a specific purpose in commercial trucks, contributing to the overall functionality and reliability of the vehicle. Understanding its role, construction, and benefits provides valuable insight into its importance within the mechanical systems of trucks.

Basic Concepts

A Double End Plain Stud is a type of fastener characterized by having threads on both ends, allowing it to be screwed into two separate components. This design facilitates a secure connection between parts, ensuring stability and integrity within the truck’s mechanical system. The construction of the Double End Plain Stud typically involves high-strength materials to withstand the rigors of heavy-duty applications. Its function is to provide a robust fastening solution that can endure significant stress and vibration, common in commercial truck operations ¹.

Role in Truck Operation

This Cummins part plays a role in the operation of a truck by securing critical components within the engine and other systems. Its application is found in areas where a strong, durable connection is required to maintain the structural integrity and performance of the truck. By fastening components securely, it helps ensure that the engine and other systems operate efficiently and reliably under various conditions ².

Key Features

The 3919666 Double End Plain Stud is distinguished by several key features that enhance its performance and durability. These include its material composition, typically a high-strength alloy that provides resistance to corrosion and wear. The threading on both ends is designed to offer a secure fit, reducing the likelihood of loosening over time. Additionally, the design specifications of the stud are tailored to meet the demanding requirements of commercial truck applications, ensuring it can withstand high levels of stress and vibration ³.

Benefits

Utilizing the 3919666 Double End Plain Stud offers several advantages. Its design contributes to improved reliability by providing a secure connection that resists loosening, even under harsh operating conditions. The ease of installation is another benefit, as the stud can be quickly and efficiently fastened into place. Furthermore, its durability reduces the need for frequent replacements, enhancing maintenance efficiency and contributing to the overall longevity of the truck’s components.

Troubleshooting and Maintenance

Common issues associated with Double End Plain Studs may include corrosion, wear, or loosening due to vibration. Regular inspection and maintenance are recommended to ensure the stud remains in optimal condition. Diagnostic tips include checking for signs of corrosion or damage and ensuring the stud is securely fastened. Maintenance practices should involve cleaning the stud and its surrounding area to prevent the accumulation of debris that could lead to corrosion or other issues.

About Cummins

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 itself as a trusted provider of high-quality automotive and industrial components. The company’s product range includes engines, turbochargers, emissions solutions, and aftermarket parts, all designed with a commitment to quality, innovation, and customer satisfaction. Cummins’ dedication to excellence is evident in its continuous pursuit of technological advancements and its focus on meeting the evolving needs of its customers.

Double End Plain Stud 3919666 Compatibility with Cummins Engines

The Double End Plain Stud part number 3919666, manufactured by Cummins, is a versatile component that fits into various Cummins engine models. This part is designed to provide robust support and stability in engine assemblies, ensuring reliable performance across different engine types.

Cummins B and 6 Series Engines

The 3919666 stud is compatible with several models in the Cummins B and 6 Series engines, including:

• B3.9 G
• B5.9 G
• 6B5.9

These engines are known for their durability and efficiency, often used in heavy-duty applications.

Cummins 4 Series Engines

The part also fits into the following 4 Series engines:

• 4B3.9
• QSB4.5 CM2250 EC
• QSB4.5 CM850(CM2850)

These engines are typically used in a variety of applications, from agricultural to industrial uses.

Cummins 5 Series Engines

The Double End Plain Stud is also suitable for the following 5 Series engines:

• G5.9
• QSB5.9 44 CM550
• QSB5.9 CM850

These engines are often found in heavy-duty trucks and construction equipment.

Cummins 6 Series Engines

Several 6 Series engines are compatible with the 3919666 stud:

• 6C8.3
• QSB6.7 CM2250
• QSB6.7 CM850(CM2850)
• QSB6.7 M CM2250

These engines are designed for high-performance applications, providing significant power and efficiency.

Cummins ISB and ISD Series Engines

The part fits into the following ISB and ISD engines:

• ISB/ISD4.5 CM2150 B119
• ISD4.5 CM2220 D108
• ISB3.9 CM2220 B107

These engines are commonly used in medium to heavy-duty applications.

Cummins ISF and ISL Series Engines

The Double End Plain Stud is also compatible with the following ISF and ISL engines:

• ISF3.8 CM2220 AN
• ISL G CM2180

These engines are known for their reliability and efficiency in various industrial applications.

Cummins QSB Series Engines

The part fits into the following QSB engines:

• QSB7 CM2880 B117

This engine is designed for high-performance and heavy-duty applications.

Cummins D Series Engines

The Double End Plain Stud is also compatible with the following D Series engines:

• D4.0 CM2620 D103B
• F3.8 CM2620 F137B

These engines are typically used in a variety of applications, from agricultural to industrial uses.

Cummins ISBE and ISBE CM800 Engines

The part fits into the following ISBE engines:

• ISBE CM800

This engine is known for its reliability and efficiency in various industrial applications.

By ensuring compatibility with a wide range of Cummins engines, the Double End Plain Stud 3919666 provides a reliable and robust solution for maintaining engine integrity and performance.

Role of Part 3919666 Double End Plain Stud in Engine Systems

The Part 3919666 Double End Plain Stud is a versatile component utilized in various engine systems to ensure secure and reliable connections. Its primary function is to provide a robust fastening solution that can withstand the high stresses and vibrations inherent in engine operations.

In the attachment of the starting motor, the Double End Plain Stud plays a significant role by securely fastening the starting motor to the engine block. This ensures that the starting motor remains firmly in place during the cranking process, which is essential for reliable engine starts.

For the exhaust outlet connection, the stud is used to attach the exhaust manifold to the engine block. This connection must be tight to prevent exhaust leaks, which can lead to efficiency losses and increased emissions. The Double End Plain Stud ensures a secure seal, maintaining the integrity of the exhaust system.

In the context of the fuel pump and fuel pump mounting, the stud is employed to fasten the fuel pump to its mounting bracket. This is important for maintaining the pump’s alignment and stability, ensuring consistent fuel delivery to the engine.

The manifold and exhaust systems also benefit from the use of the Double End Plain Stud. It is used to secure the manifold to the engine block and the exhaust pipes to the manifold, ensuring that all connections are tight and leak-free.

For the module and fuel control components, the stud provides a reliable fastening method that ensures these sensitive parts remain securely in place, contributing to the overall stability and performance of the fuel system.

In the mounting of the fan drive and starting motor, the Double End Plain Stud is crucial for maintaining the structural integrity of these components. It ensures that the fan drive and starting motor are securely attached to the engine, allowing them to operate efficiently without risk of detachment.

Finally, in the turbocharger system, the stud is used to attach the turbocharger to the engine, ensuring that it remains securely in place under the high-stress conditions of turbocharging. This is vital for the turbocharger’s performance and longevity.

Conclusion

The Double End Plain Stud, part number 3919666, is a critical component in the maintenance and operation of Cummins engines. Its robust design, compatibility with a wide range of engine models, and the benefits it offers in terms of reliability and durability make it an essential part for ensuring the efficient and safe operation of commercial trucks. Regular maintenance and proper use of this part contribute significantly to the longevity and performance of the engine systems in which it is used.