4101868
Twelve Point Cap Screw
Cummins®

The Twelve Point Cap Screw, identified by part number 4101868, is a specialized fastener produced by Cummins. This article provides an overview of this part, its function, key features, benefits, and maintenance suggestions.

Basic Concepts of Twelve Point Cap Screws

A Twelve Point Cap Screw is a type of bolt characterized by its twelve-sided head, which offers enhanced grip and reduced likelihood of cam-out compared to traditional hex cap screws. This design allows for more efficient torque application and improved resistance to stripping ¹.

Role in Truck Operation

The 4101868 Twelve Point Cap Screw plays a role in securing various components within a truck’s engine and chassis. It is used in applications where high torque and secure fastening are required, ensuring that critical parts remain firmly in place under operational stress ².

Key Features

• Twelve-sided head design for improved grip and reduced cam-out.
• Manufactured to precise tolerances for reliable performance.
• Made from high-strength materials to withstand significant stress.
• Compatible with a variety of applications within Cummins engines and related systems.

Benefits

• Enhanced torque application efficiency.
• Reduced risk of stripping compared to traditional hex cap screws.
• Increased security of fastened components.
• Durable construction suitable for heavy-duty applications.

Troubleshooting and Maintenance

Regular inspection of Twelve Point Cap Screws is recommended to ensure they remain tight and free of damage. Signs of wear, corrosion, or loosening should be addressed promptly to maintain the integrity of the fastened components. Proper torque specifications should be followed during installation to prevent over-tightening or under-tightening.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a commitment to innovation and quality, Cummins serves customers in approximately 190 countries and territories through a network of company-owned and independent distributor facilities and service points.

Twelve Point Cap Screw in Cummins Engines

The Twelve Point Cap Screw part number 4101868, manufactured by Cummins, is a critical component in the assembly and maintenance of several Cummins engine models. This part is integral to the structural integrity and operational efficiency of the engines, ensuring that various components are securely fastened and aligned.

ISX CM570 and ISX CM870 Engines

In the ISX CM570 and ISX CM870 engines, the Twelve Point Cap Screw 4101868 is utilized in several key areas. These engines, known for their robust performance and reliability, require precise fastening to maintain their operational standards. The cap screw is often used in the engine block, cylinder heads, and other critical assemblies where high strength and durability are essential.

ISX CM871 Engine

Similarly, in the ISX CM871 engine, the Twelve Point Cap Screw 4101868 plays a vital role. This engine, part of Cummins’ lineup of high-performance diesel engines, demands components that can withstand extreme conditions. The cap screw is employed in various sections of the engine, ensuring that all parts are tightly secured, which is crucial for the engine’s longevity and performance.

Common Applications

Across these engine models, the Twelve Point Cap Screw 4101868 is used in applications where a high level of torque and stability is required. This includes securing engine mounts, attaching brackets, and fastening various internal components. The cap screw’s design, featuring twelve points, provides a better grip and more even distribution of force, which is essential for maintaining the structural integrity of the engine under heavy loads and high-stress conditions.

The use of this cap screw in these engines underscores Cummins’ commitment to quality and precision in engine manufacturing. The screw’s material and design are chosen to meet the stringent demands of the engines, ensuring that it can perform reliably over extended periods and under various operating conditions.

Role of Part 4101868 Twelve Point Cap Screw in Engine Systems

In the intricate assembly of engine systems, the part 4101868 Twelve Point Cap Screw serves as a vital fastening component, ensuring the secure attachment and integrity of various engine components. Its application spans across several key areas within the engine system, contributing to the overall efficiency and reliability of the engine.

Integration with Cooler Systems

The Twelve Point Cap Screw is instrumental in the assembly of cooler systems, particularly the engine oil cooler and oil cooler core gasket set. It provides the necessary tension to hold the oil cooler core gasket set in place, ensuring a leak-proof seal that is essential for the efficient transfer of heat away from the engine oil. This, in turn, helps maintain optimal oil temperature, which is vital for engine longevity and performance.

Securing Oil Cooler Housing and Kit

In the oil cooler housing and oil cooler kit, the Twelve Point Cap Screw plays a significant role. It secures the housing to the engine block or other mounting surfaces, ensuring that the oil cooler kit remains firmly in place under the dynamic conditions of engine operation. This stability is essential for the effective functioning of the oil cooler, which is responsible for dissipating excess heat from the engine oil, thereby preventing overheating and potential engine damage.

Attachment of Oil Filter Cooler Head

The oil filter cooler head is another component where the Twelve Point Cap Screw is employed. It ensures a secure attachment of the cooler head to the oil filter housing, facilitating efficient cooling of the oil before it is circulated back into the engine. This process is crucial for maintaining the viscosity and cleanliness of the engine oil, which directly impacts engine performance and durability.

Engine Oil Cooler Assembly

In the assembly of the engine oil cooler, the Twelve Point Cap Screw is used to fasten various components together, ensuring a robust and reliable structure. This is particularly important in high-performance engines where the oil cooler is subjected to significant thermal and mechanical stresses. The secure fastening provided by the Twelve Point Cap Screw helps in maintaining the structural integrity of the oil cooler, ensuring consistent and efficient cooling of the engine oil.

Overall Contribution to Engine Systems

Across these applications, the Twelve Point Cap Screw contributes to the secure and reliable assembly of engine components. Its role in maintaining the integrity of cooler systems and oil filtration processes underscores its importance in the overall performance and durability of engine systems. Engineers and mechanics rely on the consistent performance of such fastening components to ensure that engine systems operate efficiently and reliably under a wide range of conditions.

Conclusion

The Twelve Point Cap Screw part number 4101868 is a critical component in the assembly and maintenance of Cummins engines. Its unique design and high-strength material make it suitable for applications requiring secure fastening and resistance to high stress. Regular maintenance and proper installation are essential to ensure the longevity and performance of engine systems.