3102743
Socket Head Cap Screw
Cummins®

AVAILABLE

Cummins®

More than 10 are currently available

Ships within 2-4 business days

$9.99 $11.89

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Socket Head Cap Screw is a common fastening component used extensively in the assembly and maintenance of commercial trucks. Among the various manufacturers, Cummins offers a specialized version known as part #3102743. This screw is designed to meet the rigorous demands of heavy-duty applications, providing reliable fastening solutions for truck components.

Basic Concepts of Socket Head Cap Screws

A Socket Head Cap Screw is characterized by its cylindrical head with a hexagonal socket. This design allows for torque application using a hex key, enabling precise and efficient fastening. The screw’s threaded shaft engages with the internal threads of a nut or directly into a tapped hole, securing components together. The hexagonal socket provides a larger contact area compared to traditional hex bolts, reducing the risk of cam-out during tightening 1.

Role of Socket Head Cap Screw in Truck Operation

In the context of commercial trucks, Socket Head Cap Screws play a vital role in both the assembly and maintenance of various components. They are used in applications where high strength and resistance to loosening are required. Part #3102743 by Cummins is specifically engineered for such applications, ensuring that truck components remain securely fastened under demanding conditions. This screw is often utilized in engine components, chassis assemblies, and other critical areas where durability and reliability are paramount 2.

Key Features of Cummins Socket Head Cap Screw #3102743

Part #3102743 from Cummins is crafted from high-quality materials, typically alloy steel, which provides excellent strength and corrosion resistance. The screw features a zinc-plated finish to enhance its durability and protect against environmental factors. Its design includes a chamfered end for easy insertion into pre-drilled holes and a full thread that maximizes engagement with the mating component. These features contribute to the screw’s performance and longevity in heavy-duty applications 3.

Benefits of Using Socket Head Cap Screws

Socket Head Cap Screws offer several advantages in fastening applications. They allow for improved torque application due to the larger contact area provided by the hexagonal socket. This reduces the likelihood of cam-out, ensuring more consistent and secure fastening. Additionally, their low-profile head makes them suitable for use in confined spaces, where traditional hex bolts might not fit. Cummins’ part #3102743 enhances these benefits with its high-quality material and precise manufacturing, ensuring reliable performance in commercial truck applications.

Troubleshooting and Maintenance

Common issues with Socket Head Cap Screws may include loosening over time due to vibration or corrosion. Regular inspection and tightening can help maintain their effectiveness. In cases where screws show signs of wear or damage, replacement is recommended to ensure continued reliability. Proper lubrication during installation can also enhance performance and reduce the risk of seizing. Adhering to these maintenance practices will help ensure the longevity and proper function of the screws in a truck’s operation.

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 a reputation for quality and innovation in the commercial truck industry. The company is committed to delivering reliable and efficient components that meet the demanding requirements of heavy-duty applications. Cummins’ Socket Head Cap Screw #3102743 is a testament to this commitment, offering truck operators a dependable fastening solution for their vehicles.

Socket Head Cap Screw 3102743 in Cummins Engines

The Socket Head Cap Screw part number 3102743, manufactured by Cummins, is a critical component in several of their engine models. This screw is integral in securing various parts within the engine assembly, ensuring structural integrity and operational efficiency.

B4.5 CM2350 B129B and ISB4.5 CM2350 B104

In the B4.5 CM2350 B129B and ISB4.5 CM2350 B104 engines, the 3102743 screw is utilized in several key areas. It is often employed in fastening components that require precise alignment and secure attachment, such as cylinder heads and engine blocks. The screw’s design ensures that these parts remain firmly in place under the high stresses and temperatures encountered during engine operation.

ISF4.5 CM2220 F123

For the ISF4.5 CM2220 F123 engine, the 3102743 screw is similarly essential. It is used in securing various engine components, including those that are part of the exhaust system and fuel injection system. The screw’s robust construction helps maintain the integrity of these systems, which are critical for the engine’s performance and longevity.

QSF3.8 CM2350 F107

In the QSF3.8 CM2350 F107 engine, the 3102743 screw plays a vital role in the assembly of the engine’s internal and external components. It is used to fasten parts that need to withstand significant mechanical stress, ensuring that the engine operates smoothly and efficiently.

QSV91G

The QSV91G engine also benefits from the use of the 3102743 screw. It is employed in securing various components, including those that are part of the engine’s cooling and lubrication systems. The screw’s design ensures that these systems function correctly, contributing to the engine’s overall reliability and performance.

Each of these engines relies on the 3102743 Socket Head Cap Screw to maintain the structural integrity and operational efficiency of their respective components. The screw’s precision and durability make it an essential part of Cummins’ engine design and assembly.

Role of Part 3102743 Socket Head Cap Screw in Engine Systems

The Part 3102743 Socket Head Cap Screw is integral to the secure assembly and operation of various engine components. In the arrangement of engine parts, this screw ensures that components are held firmly in place, reducing the risk of misalignment or movement during operation.

Within the crankcase breather system, the Socket Head Cap Screw is used to fasten the breather housing to the crankcase. This secure attachment is essential for maintaining the integrity of the breather system, which helps to release pressure build-up within the crankcase.

In the cooler and engine oil lubricating oil cooler module, the screw plays a role in attaching the cooler to the engine block or other structural components. This ensures efficient heat exchange and maintains the optimal temperature of the engine oil.

The engine control module (ECM) often requires secure mounting to the engine or chassis. The Socket Head Cap Screw is employed here to ensure the ECM remains stable and unaffected by vibrations, which is vital for accurate engine management.

During maintenance procedures involving the replacer fixture, the Socket Head Cap Screw is used to attach the fixture securely, allowing for precise and safe replacement of engine components.

In the installation of the wiring harness, the screw is utilized to fasten the harness in place, ensuring that electrical connections remain secure and protected from engine vibrations and movements.

Overall, the Part 3102743 Socket Head Cap Screw contributes to the reliability and performance of engine systems by providing a strong and stable connection across various components.

Conclusion

The Socket Head Cap Screw part number 3102743 by Cummins is a critical component in the assembly and maintenance of commercial truck engines. Its robust design, high-quality materials, and precise manufacturing ensure reliable performance in heavy-duty applications. By securing various engine components, this screw plays a vital role in maintaining the structural integrity and operational efficiency of Cummins engines.


  1. Brach, R. Matthew. SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety. SAE Books, 2023.

  2. Han, Zhiyu. Simulation and Optimization of Internal Combustion Engines. SAE International, 2022.

  3. Fischer, Robert, et al. The Automotive Transmission Book Powertrain. Springer, 2015.

SPECIFICATIONS

Package Dimensions
6.3 x 4.0 x 0.11 in
Weight
0.06 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.