3929755
Double End Plain Stud
Cummins®

The Double End Plain Stud, identified by Part #3929755 and manufactured by Cummins, is a specialized fastener designed for use in commercial truck applications. This component serves a pivotal role in securing various truck components, ensuring the structural integrity and operational efficiency of the vehicle. Cummins, a renowned manufacturer in the automotive and heavy-duty truck industry, produces this stud, underscoring its significance in the realm of truck maintenance and assembly.

Basic Concepts of Double End Plain Stud

A Double End Plain Stud is a type of fastener characterized by its dual-threaded ends, allowing it to be screwed into two separate components. This design facilitates a strong and secure connection between parts, which is crucial in the demanding environment of commercial truck operations. The stud’s construction typically involves high-strength materials to withstand the rigors of truck use, and its threading is precision-engineered to ensure a tight and reliable fit ¹.

Role of the Double End Plain Stud in Truck Operation

This part plays a specific role in the operation of a truck by securing critical components together. Its application is found in areas where a strong, permanent fastening solution is required, contributing to the overall assembly and functionality of truck components. By providing a robust connection, this stud helps maintain the structural integrity of the truck, ensuring safe and efficient operation ².

Key Features

The Double End Plain Stud is distinguished by several key features that enhance its performance and durability. These include a material composition designed for high strength and resistance to wear, a precise thread pitch that ensures a secure fit, and unique design elements that may include anti-rotation features or specialized coatings to improve corrosion resistance. These characteristics make the stud well-suited for the demanding conditions encountered in commercial truck applications.

Benefits

Utilizing this Cummins part in truck applications offers several benefits. Its design contributes to improved reliability of the truck’s components, ensuring they remain securely fastened under various operating conditions. The stud’s ease of installation simplifies the assembly process, while its durability reduces the need for frequent replacements. Additionally, the maintenance advantages of this stud, such as its resistance to corrosion and wear, contribute to the overall longevity and optimal performance of the truck.

Troubleshooting and Maintenance

Common issues associated with Double End Plain Studs may include loosening over time due to vibration or wear, and corrosion in harsh environments. Troubleshooting these issues involves inspecting the stud for signs of wear or damage, ensuring it is properly torqued during installation, and applying appropriate coatings or treatments to prevent corrosion. Regular maintenance checks can help identify potential problems early, ensuring the longevity and optimal performance of the stud ³.

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 name in the manufacturing of automotive and truck components. The company’s commitment to quality and innovation is evident in its wide range of products, including the Double End Plain Stud, which exemplifies Cummins’ dedication to providing reliable and high-performance solutions for the automotive industry.

Cummins Double End Plain Stud 3929755 Compatibility

The Cummins Double End Plain Stud part number 3929755 is a versatile component designed to fit a variety of Cummins engines. This part is engineered to provide robust support and durability, making it suitable for use in demanding environments. Below is a detailed breakdown of the engines with which this stud is compatible.

Compatible Engines

• 6B5.9
• B4.5 CM2350 B129B
• F2.8 CM2620 F135B
• F3.8 CM2350 F120B
• F3.8 CM2620 F137B
• F4.5 CM2620 F139B
• F4.5 CM2620 F141C
• ISB (Chrysler)
• ISB4.5 CM2350 B104
• ISBE CM800
• ISF2.8 CM2220 F117
• ISF2.8 CM2220 F129
• ISF3.8 CM2220 AN
• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117
• QSF2.8 CM2880 F104
• QSF2.8 CM2880 F105
• QSF2.8 CM2880 F108
• QSF2.8 CM2880 F114
• QSF3.8 CM2350 F107
• R2.8 CM2220 R101B
• X11 CM2670 X126B
• X12 CM2670 X121B

Grouping by Engine Series

• B Series

  • B4.5 CM2350 B129B
  • ISB4.5 CM2350 B104

• F Series

  • F2.8 CM2620 F135B
  • F3.8 CM2350 F120B
  • F3.8 CM2620 F137B
  • F4.5 CM2620 F139B
  • F4.5 CM2620 F141C
  • QSF3.8 CM2350 F107

• ISB Series

  • ISB (Chrysler)
  • ISF2.8 CM2220 F117
  • ISF2.8 CM2220 F129
  • ISF3.8 CM2220 AN
  • ISBE CM800

• QSB Series

  • QSB4.5 CM2250 EC
  • QSB4.5 CM850 (CM2850)
  • QSB6.7 CM850 (CM2850)
  • QSB7 CM2880 B117
  • QSF2.8 CM2880 F104
  • QSF2.8 CM2880 F105
  • QSF2.8 CM2880 F108
  • QSF2.8 CM2880 F114

• R Series

  • R2.8 CM2220 R101B

• X Series

  • X11 CM2670 X126B
  • X12 CM2670 X121B

This stud is a critical component in ensuring the structural integrity and operational efficiency of these engines. Its design allows it to be used in multiple configurations, making it a valuable part for maintenance and repair purposes.

Role of Part 3929755 Double End Plain Stud in Engine Systems

The part 3929755 Double End Plain Stud is instrumental in ensuring the secure and reliable connection of various components within engine systems. Its application spans across multiple critical areas, enhancing the overall performance and durability of the engine.

Auxiliary Cooling Plumbing

In the auxiliary cooling plumbing system, the Double End Plain Stud is used to connect the plumbing components securely. This ensures that the coolant flows efficiently through the system, maintaining optimal engine temperature and preventing overheating.

Air Intake and Exhaust Outlet Connections

For both air intake and exhaust outlet connections, the Double End Plain Stud provides a robust linkage. This is essential for maintaining the integrity of the air and exhaust pathways, ensuring that the engine receives the necessary air supply and expels exhaust gases effectively.

Drive and Fan Assembly

Within the drive and fan assembly, the stud plays a significant role in connecting the fan to the drive mechanism. This connection is vital for the operation of the engine cooling fan, which helps in dissipating heat from the engine components.

Rocker Lever and Housing

In the rocker lever and rocker lever housing, the Double End Plain Stud ensures that the lever is securely attached to the housing. This is important for the precise operation of the valve train, contributing to the engine’s efficiency and performance.

Shroud and Engine Cooling Fan

The stud is also used in the shroud surrounding the engine cooling fan. This application helps in securing the shroud in place, which is essential for directing airflow over the engine components and enhancing cooling efficiency.

Turbocharger and Gasket Kit

In turbocharger applications, the Double End Plain Stud is employed to connect various components within the turbocharger assembly. Additionally, in turbocharger gasket kits, it ensures that the gaskets are properly secured, maintaining the integrity of the turbocharger system and preventing leaks.

Exhaust Recirculation Air

For exhaust recirculation air systems, the stud facilitates the secure connection of components involved in recirculating exhaust gases back into the engine. This helps in reducing emissions and improving fuel efficiency.

The Double End Plain Stud’s versatile application across these engine components underscores its importance in maintaining the structural integrity and operational efficiency of the engine system.

Conclusion

The Double End Plain Stud, part number 3929755, manufactured by Cummins, is a critical component in the maintenance and assembly of commercial trucks and various Cummins engines. Its design, featuring dual-threaded ends and high-strength materials, ensures a secure and reliable connection between components, contributing to the structural integrity and operational efficiency of the vehicle. The stud’s compatibility with a wide range of Cummins engines highlights its versatility and importance in engine systems, playing a crucial role in areas such as auxiliary cooling plumbing, air intake and exhaust outlet connections, and turbocharger assemblies. Regular maintenance and proper installation are essential to ensure the longevity and optimal performance of this part.