3912072
Self Tapping Metal Screw
Cummins®

Introduction

The Cummins 3912072 Self Tapping Metal Screw is a specialized fastener designed for use in commercial truck applications. Manufactured by Cummins, a well-established name in the automotive industry, this screw is engineered to meet the demanding requirements of heavy-duty truck operations. Its design and functionality are tailored to ensure reliable performance in various truck components and systems ¹.

Basic Concepts of Self Tapping Metal Screws

Self tapping metal screws are fasteners that can create their own mating threads in a material as they are driven in. This eliminates the need for pre-tapping, making them highly efficient for installation in metal components. In the automotive industry, these screws are commonly used for assembling body panels, attaching brackets, and securing various mechanical components due to their ease of use and strong holding power ².

Role of the 3912072 Self Tapping Metal Screw in Truck Operation

The Cummins 3912072 Self Tapping Metal Screw plays a significant role in the operation and maintenance of commercial trucks. It is utilized in various truck components and systems, including body panel assemblies, bracket attachments, and the securing of mechanical parts. Its ability to create its own threads allows for quick and secure fastening, which is crucial in maintaining the structural integrity and functionality of truck components ³.

Key Features

The Cummins 3912072 Self Tapping Metal Screw is characterized by several key features that enhance its performance and durability in truck applications. These include a robust material composition designed to withstand the rigors of heavy-duty use, a precise thread design that ensures a strong and secure hold, and unique attributes such as corrosion resistance, which prolongs the screw’s lifespan in various environmental conditions.

Benefits

The use of the Cummins 3912072 Self Tapping Metal Screw offers several benefits. Its ease of installation reduces assembly time and labor costs, while its reliability ensures that truck components remain securely fastened under demanding conditions. Additionally, its resistance to corrosion contributes to the overall efficiency and longevity of truck components, minimizing the need for frequent replacements and maintenance.

Troubleshooting and Maintenance

Common issues with self tapping metal screws, including the Cummins 3912072, may include loosening over time due to vibration or environmental factors. Regular inspection and tightening of screws can help maintain optimal performance. In cases where corrosion is a concern, ensuring that screws are made from or coated with corrosion-resistant materials can prevent degradation and extend their service life.

About Cummins

Cummins is a renowned manufacturer with a rich history in the automotive industry. The company is known for its expertise in producing high-quality components for commercial vehicles, including engines, filtration systems, and aftermarket parts. Cummins’ commitment to innovation and quality ensures that their products, like the 3912072 Self Tapping Metal Screw, meet the high standards required for heavy-duty truck applications ⁴.

Compatibility with Engine Models

The Cummins Self Tapping Metal Screw part number 3912072 is a versatile component designed to fit a range of Cummins engine models. This screw is engineered to securely fasten parts without the need for pre-tapped holes, making it an ideal choice for various applications within the engine assembly.

Engines with ISC Series

The ISC series engines, including:

• ISC CM2150
• ISC CM554
• ISC CM850
• ISC8.3 CM2250

are compatible with the 3912072 screw. These engines are known for their robust performance and are widely used in various industrial applications.

Engines with ISL Series

The ISL series engines, which include:

• ISL CM2150
• ISL CM554
• ISL G CM2180
• ISL9 CM2150 SN

are also compatible with the 3912072 screw. The ISL series is recognized for its reliability and efficiency, making it a popular choice in heavy-duty applications.

Engines with ISBE and ISB Series

The ISBE and ISB series engines, including:

• ISBE CM800
• ISB CM550
• ISB5.9G CM2180

are designed to work with the 3912072 screw. These engines are engineered for high performance and are used in a variety of demanding environments.

Other Compatible Engines

Additionally, the following engines are compatible with the 3912072 screw:

• 4B3.9
• 6B5.9
• 6C8.3
• B3.9 G
• B4.5
• B5.9 G
• B5.9 GAS PLUS CM556
• C GAS PLUS CM556
• C8.3 G
• G5.9
• G5.9 CM558
• G8.3
• G8.3 CM558
• GTA8.3 CM558

This wide compatibility ensures that the 3912072 screw can be used across a broad spectrum of Cummins engine models, providing a reliable fastening solution for various components within these engines.

Role of Part 3912072 Self Tapping Metal Screw in Engine Systems

The Part 3912072 Self Tapping Metal Screw is instrumental in securing various components within engine systems, ensuring stability and proper function. In the arrangement of engine components, these screws play a significant role in fastening parts that require a secure yet adjustable fit.

Within the ignition system, they are used to mount the signal generating device to the flywheel housing. This ensures that the device remains in the correct position to accurately read the flywheel’s movements, which is essential for precise ignition timing.

In the breather and crankcase components, Part 3912072 screws are employed to attach the valve cover breather kit. This kit helps manage pressure within the crankcase, and the screws ensure that the breather is properly sealed and aligned.

For the fuel and exhaust systems, these screws are utilized in the plumbing and recirculation components. They secure fuel lines and exhaust components, maintaining the integrity of the system and preventing leaks.

In the short engine kit, Part 3912072 screws are vital for assembling and securing various housing components. They ensure that all parts are held firmly in place, contributing to the overall structural integrity of the engine.

Lastly, in the drain and housing components, these screws are used to attach drain plugs and secure housing covers, ensuring that fluids are properly contained and that the engine remains protected from contaminants.

Conclusion

The Cummins 3912072 Self Tapping Metal Screw is a critical component in the maintenance and operation of commercial trucks and various Cummins engine models. Its design, featuring robust material composition, precise thread design, and corrosion resistance, ensures reliable performance and durability in heavy-duty applications. The screw’s ease of installation and maintenance benefits contribute to the efficiency and longevity of truck and engine components, making it an indispensable part in the automotive industry.