5294515
Lock Nut
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$61.95 $73.72

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 Cummins 5294515 Lock Nut is a specialized component designed for use in heavy-duty truck maintenance and operation. Its role is to provide secure fastening in various truck components, ensuring stability and reliability under demanding conditions. Understanding the function and significance of this part is important for maintaining the performance and safety of heavy-duty trucks.

Basic Concepts of Lock Nuts

Lock nuts are mechanical fasteners that prevent loosening due to vibration or rotation. They operate on the principle of creating a locking mechanism that holds the nut in place once tightened. This is achieved through various designs, such as nylon inserts, prevailing torque features, or deformed threads. Lock nuts are widely used in mechanical systems where secure fastening is required to prevent component failure or malfunction 1.

Purpose of the Cummins 5294515 Lock Nut

This Cummins part is specifically designed to enhance the stability and reliability of truck components. It plays a role in securing fasteners in areas where vibration and movement are common, such as in the engine, transmission, and chassis. By preventing loosening, it contributes to the overall durability and performance of the truck.

Key Features

The Cummins 5294515 Lock Nut features a robust design that includes a high-strength material composition, typically made from alloy steel. Its design elements may incorporate a nylon insert or deformed threads to provide the locking mechanism. These features enhance its performance by offering superior resistance to vibration and ensuring a secure fit in various applications.

Benefits

Using the Cummins 5294515 Lock Nut offers several benefits. It provides improved fastening security, which is vital in heavy-duty applications where components are subjected to significant stress and vibration. Its resistance to loosening ensures that critical connections remain intact, contributing to the longevity and reliability of the truck. Additionally, its durability in harsh operating conditions makes it a valuable component for maintaining truck performance 2.

Installation Guidelines

Proper installation of this part is important for optimal performance. The installation process should involve using the appropriate tools, such as a torque wrench, to ensure the nut is tightened to the manufacturer’s specified torque settings. Careful attention to the alignment and condition of the mating threads is also important to prevent damage and ensure a secure fit.

Troubleshooting and Maintenance

Common issues with lock nuts include loosening due to inadequate torque or damage to the locking mechanism. Regular inspection and maintenance can help identify and address these issues. Ensuring that lock nuts are properly torqued and replacing them if signs of wear or damage are present will help maintain their effectiveness and the overall performance of the truck.

Cummins Overview

Cummins Inc. is a leading manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a history of producing reliable and high-performance components, Cummins has established a reputation for excellence in the market. The company’s dedication to advancing technology and meeting the needs of its customers underscores its position as a trusted provider of automotive components 3.

Lock Nut 5294515 Compatibility with Cummins Engines

The Lock Nut 5294515, manufactured by Cummins, is a critical component designed to ensure secure fastening in various engine configurations. This part is integral to maintaining the integrity and performance of the engines it is used with.

D4.0 CM2620 D103B and F3.8 CM2620 F137B

The Lock Nut 5294515 is compatible with both the D4.0 CM2620 D103B and F3.8 CM2620 F137B engines. In these engines, the lock nut is used to secure various components, ensuring that they remain tightly fastened under operational stresses. This is crucial for maintaining the alignment and stability of parts that are subject to vibration and movement during engine operation.

F4.5 CM2620 F139B

Similarly, the Lock Nut 5294515 is also suitable for the F4.5 CM2620 F139B engine. In this engine, the lock nut plays a vital role in securing components that are critical to the engine’s operation. Its use ensures that these parts do not loosen over time, which could lead to potential failures or reduced performance.

General Application

Across these engines, the Lock Nut 5294515 is employed in various applications where secure fastening is essential. This includes securing bolts and other fasteners in areas that are exposed to high temperatures, pressures, and vibrations. The design of the lock nut ensures that it can withstand these conditions, providing a reliable and long-lasting solution for engine maintenance and repair.

Role of Part 5294515 Lock Nut in Engine Systems

This part is instrumental in ensuring the secure assembly and operation of various components within engine systems. It is specifically designed to work in conjunction with several key elements, enhancing both the functionality and reliability of the system.

Integration with Aftertreatment Devices

In the context of aftertreatment devices, the Lock Nut plays a significant role in maintaining the integrity of connections. It is often used in conjunction with bolt clamps and V-band clamps to secure the aftertreatment device to the exhaust system. This ensures that the device remains firmly in place, allowing for efficient filtration and reduction of emissions. The Lock Nut helps to prevent loosening over time, which could otherwise lead to inefficiencies or failures in the aftertreatment process.

Catalytic Converter Applications

When it comes to catalytic converters, the Lock Nut is employed to secure the converter to the exhaust manifold or the exhaust pipe. This connection is vital for the converter to function correctly, as any movement or misalignment could disrupt the flow of exhaust gases through the catalyst, reducing its effectiveness. The Lock Nut ensures a tight and stable fit, contributing to the overall performance and longevity of the catalytic converter.

General Aftertreatment System

Within the broader aftertreatment system, the Lock Nut is used in various connections, including those involving sensors, pipes, and other components. Its role is to provide a secure fastening solution that can withstand the high temperatures and vibrations typical in engine environments. This reliability is essential for the consistent operation of the aftertreatment system, ensuring that all components work together seamlessly to meet emission standards.

Bolt Clamp and V-Band Clamp Compatibility

The Lock Nut is frequently paired with bolt clamps and V-band clamps to enhance the security of connections. In these applications, the Lock Nut helps to distribute clamping force evenly, reducing the risk of leaks and ensuring a tight seal. This is particularly important in systems where precise control of exhaust flow is necessary for optimal performance.

Conclusion

In summary, the part 5294515 Lock Nut is a fundamental component in the assembly and maintenance of engine systems, providing the necessary security and stability for a variety of connections within aftertreatment devices and catalytic converters. Its robust design and compatibility with various engine configurations make it an essential part for ensuring the reliability and performance of heavy-duty trucks.


  1. Zhao, H. (2010). Advanced Direct Injection Combustion Engine Technologies and Development Volume 2 Diesel Engines. CRC Press.

  2. Livesey, A. (2000). The Repair of Vehicle Bodies. Elevier.

  3. Minaker, B. P. (2019). Fundamentals of Vehicle Dynamics and Modelling. John Wiley Sons.

SPECIFICATIONS

Notes
CES P/N A040X790
Package Dimensions
0.5 x 0.5 x 0.2 in
Weight
0.005 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.