3943136
Regular Hexagon Nut
Cummins®

Introduction

The Cummins 3943136 Regular Hexagon Nut is a specialized fastener designed for use in heavy-duty truck applications. Its purpose is to provide secure and reliable fastening in various truck components, contributing to the overall efficiency and safety of the vehicle. This part is significant in the context of heavy-duty truck components due to its robust design and functionality, which are essential for withstanding the demanding conditions of truck operations.

Basic Concepts of Regular Hexagon Nuts

A regular hexagon nut is characterized by its six-sided shape, which offers several advantages in fastening applications. The hexagonal shape allows for even distribution of torque, reducing the risk of rounding off the edges during tightening. This design facilitates the use of standard wrenches and socket tools, making it easier to install and remove the nut. The hexagonal geometry also enhances the grip, providing a stable and secure fastening solution ¹.

Role of the 3943136 Regular Hexagon Nut in Truck Operation

The 3943136 Regular Hexagon Nut plays a specific role in the operation and maintenance of heavy-duty trucks. It is typically used in systems or components that require secure and durable fastening, such as engine mounts, exhaust systems, and chassis components. By ensuring that these critical parts remain firmly in place, the nut contributes to the overall performance and longevity of the truck ².

Key Features

The 3943136 Regular Hexagon Nut is distinguished by several key features that enhance its functionality. It is made from high-quality materials, ensuring durability and resistance to wear. The thread size is designed to match specific applications, providing a secure fit. Additionally, the nut may feature unique design elements, such as a corrosion-resistant coating or a locking mechanism, to further improve its performance in demanding environments ³.

Benefits

Using the 3943136 Regular Hexagon Nut offers several benefits. Its robust construction contributes to improved durability, allowing it to withstand the rigors of heavy-duty truck operations. The nut’s design helps prevent loosening, ensuring that critical components remain securely fastened. Additionally, its compatibility with standard tools makes it easy to install and maintain, reducing downtime and enhancing efficiency.

Installation Guidelines

Proper installation of the 3943136 Regular Hexagon Nut is essential for ensuring secure fastening. Follow these step-by-step guidelines:

1. Clean the mating surfaces to remove any dirt or debris.
2. Apply a thread locker if specified by the manufacturer.
3. Use the appropriate wrench or socket to tighten the nut to the recommended torque specifications.
4. Periodically check the tightness of the nut to ensure it remains secure.

Maintenance and Troubleshooting

Regular maintenance of the 3943136 Regular Hexagon Nut is important to ensure its continued performance. Periodically check for signs of wear or loosening. If the nut shows signs of corrosion, clean it and apply a corrosion-resistant coating if necessary. Common issues such as loosening can often be addressed by re-tightening the nut to the specified torque. If the nut is damaged or worn, replace it to maintain the integrity of the fastening.

Compatibility and Usage

The 3943136 Regular Hexagon Nut is designed for use in various heavy-duty truck models and components. It is compatible with a range of systems, including engine mounts, exhaust systems, and chassis components. Its versatility makes it a valuable fastener for maintaining the structural integrity and performance of heavy-duty trucks.

Manufacturer Information - Cummins

Cummins Inc. is a leading manufacturer of diesel engines and related components, with a strong reputation in the automotive industry. Founded in 1919, Cummins has a long history of innovation and expertise in engine technology. The company is known for producing high-quality, reliable components that meet the demanding requirements of heavy-duty applications. Cummins’ commitment to excellence and customer satisfaction has established it as a trusted name in the industry.

Cummins Regular Hexagon Nut 3943136 Compatibility with Engine Models

The Cummins Regular Hexagon Nut part number 3943136 is a versatile component that fits a variety of Cummins engine models. This part is designed to meet the rigorous standards set by Cummins, ensuring reliability and durability across multiple engine applications.

Engine Compatibility

• 4B3.9, 6B5.9, 6C8.3, L8.9, QSC8.3 CM554: These engines, known for their robust performance, utilize the 3943136 nut in various applications. This part is integral to the assembly and maintenance of these engines, providing a secure fastening solution for critical components.
• ISB CM550, ISC CM554, ISL CM554: These engines benefit from the 3943136 nut in their complex systems. The nut’s precision and strength are essential for maintaining the integrity of the engine’s components, ensuring smooth operation and longevity.
• ISG12 G CMOH6.0 G111: This engine model also incorporates the 3943136 nut, highlighting its versatility and importance in Cummins’ engine lineup. The nut’s design allows it to fit seamlessly into the engine’s architecture, providing a reliable connection point.

Each of these engines relies on the 3943136 nut for its structural integrity and operational efficiency. The nut’s compatibility with these models underscores its critical role in Cummins’ engine technology.

Role of Part 3943136 Regular Hexagon Nut in Engine Systems

The 3943136 Regular Hexagon Nut is a fundamental component in various engine systems, ensuring the secure assembly and operation of multiple parts.

In the brake system, this nut is often used to fasten brake calipers to the vehicle’s frame or axle, providing the necessary tension to keep the caliper in place during braking operations. Its hexagonal shape allows for efficient tightening using standard tools, ensuring a stable and reliable connection.

Within the engine, the 3943136 nut plays a significant role in securing various components. It is commonly employed to attach the camshaft gear to the camshaft, ensuring precise alignment and operation of the valve timing mechanism. This nut helps maintain the integrity of the timing system, which is essential for the engine’s performance and efficiency.

In the exhaust system, the nut is utilized to secure exhaust manifold bolts, ensuring a tight seal that prevents exhaust leaks. This is vital for maintaining the engine’s performance and reducing emissions.

The harness and wiring systems also benefit from the use of this nut. It is often used to secure electrical connections and components, ensuring that wires remain firmly in place and are protected from vibrations and movement that could lead to disconnection or damage.

Overall, the 3943136 Regular Hexagon Nut is an indispensable part in ensuring the secure assembly and reliable operation of various engine and vehicle systems, contributing to overall performance and safety.

Conclusion

The Cummins 3943136 Regular Hexagon Nut is a critical component in heavy-duty truck applications, providing secure and reliable fastening for various engine and vehicle systems. Its robust design, key features, and compatibility with multiple Cummins engine models make it an essential part for maintaining the structural integrity and performance of heavy-duty trucks. Proper installation, maintenance, and understanding of its role in different systems ensure the longevity and efficiency of the vehicle.