5307613
Lock Nut
Cummins®

AVAILABLE

Cummins®

1 is 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 Cummins 5307613 Lock Nut is a specialized component designed for use in commercial truck maintenance and operation. This part is integral to ensuring the secure fastening of various parts within the truck’s mechanical systems, contributing to the overall reliability and safety of the vehicle.

Basic Concepts of Lock Nuts

Lock nuts are mechanical fasteners that prevent loosening due to vibration or rotation. They function by providing additional resistance to the turning forces that could otherwise cause standard nuts to unscrew. Lock nuts are commonly used in applications where secure fastening is paramount, such as in automotive and heavy-duty truck assemblies 1.

Purpose of the Cummins 5307613 Lock Nut

This Cummins part plays a role in the operation of a truck by securing critical components that are subject to vibration and movement. Its applications include fastening parts of the engine, transmission, and other mechanical systems where maintaining tight and secure connections is necessary for optimal performance and safety.

Key Features

The Cummins 5307613 Lock Nut is characterized by several key features that enhance its performance. It is typically made from high-strength materials to withstand the rigors of heavy-duty applications. The design may include nylon inserts or deformed threads that provide additional resistance to loosening. These features contribute to the lock nut’s ability to maintain secure fastenings in demanding environments 2.

Benefits of Using the Cummins 5307613 Lock Nut

Using this part offers several advantages. It provides improved security of fasteners, ensuring that critical components remain tightly connected despite vibrations and operational stresses. The lock nut’s design also offers resistance to loosening, which can prevent potential failures and extend the lifespan of the fastened components. Additionally, its durability in harsh operating conditions makes it a reliable choice for commercial truck applications.

Installation Guidelines

Proper installation of the Cummins 5307613 Lock Nut is vital for ensuring optimal performance and safety. To install, first, ensure the mating threads are clean and free of debris. Apply the appropriate torque specification to tighten the lock nut, taking care not to over-tighten, which could damage the threads or the lock nut itself. Verify the fastening is secure by checking for any movement after installation 3.

Troubleshooting Common Issues

Common issues with lock nuts include loosening due to vibration or damage from over-tightening. To address loosening, re-tighten the lock nut to the specified torque and ensure no external forces are causing movement. If damage is present, replace the lock nut to maintain secure fastening. Regular inspections can help identify and resolve these issues before they lead to more significant problems.

Maintenance Tips

Regular inspection and maintenance of the Cummins 5307613 Lock Nut are recommended to prolong its service life and ensure continued reliable operation. Inspect the lock nut for signs of wear, corrosion, or damage during routine maintenance checks. Replace any lock nuts that show signs of deterioration to prevent fastening failures. Additionally, ensure that all fastened components are functioning correctly and that there are no unusual vibrations or noises that could indicate a problem.

Cummins Corporation Overview

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 strong reputation in the commercial truck industry for producing reliable and high-performance components. The company’s extensive product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial and industrial applications.

Lock Nut 5307613 Compatibility with Cummins Engines

The Lock Nut 5307613, manufactured by Cummins, is a crucial component in securing various engine parts. This part is designed to fit seamlessly with several Cummins engine models, ensuring stability and reliability in engine operation.

B6.7 CM2670 and B153B Engines

The Lock Nut 5307613 is compatible with the B6.7 CM2670 and B153B engines. These engines are known for their robust performance and are often used in heavy-duty applications. The lock nut plays a vital role in maintaining the integrity of the engine’s components by preventing unwanted movement and ensuring that parts remain securely fastened.

QSX11.9 CM2250 and QSX15 CM2250 Engines

Similarly, the Lock Nut 5307613 is also suitable for the QSX11.9 CM2250 and QSX15 CM2250 engines. These engines are part of Cummins’ high-performance lineup, designed for demanding tasks. The lock nut’s precision fit ensures that the engine’s components are held firmly in place, contributing to the overall efficiency and longevity of the engine.

QSX15 CM2250 ECF Engines

The Lock Nut 5307613 is also compatible with the QSX15 CM2250 ECF engines. This variant includes advanced features that enhance performance and efficiency. The lock nut’s role in these engines is no less significant, as it helps maintain the structural integrity of the engine by preventing loosening of critical components.

By ensuring a secure fit across these various engine models, the Lock Nut 5307613 contributes to the overall reliability and performance of Cummins engines, making it an essential part for maintenance and repair.

Role of Part 5307613 Lock Nut in Engine Systems

The Part 5307613 Lock Nut is an essential component in securing various elements within engine systems, ensuring stability and reliability in operation. In the context of an Aftertreatment Device, the lock nut plays a significant role in fastening components such as the Catalytic Converter and other related parts. It ensures that these components remain firmly in place, which is vital for the efficient functioning of the aftertreatment system.

When integrated into an Aftertreatment System, the lock nut is used to secure connections between the catalytic converter and the exhaust manifold. This secure attachment prevents any unwanted movement or vibration that could lead to leaks or reduced efficiency.

In the assembly of an Aftertreatment Bolt Clamp, the lock nut is instrumental in maintaining the clamp’s integrity. It ensures that the clamp remains tightly fastened around the exhaust pipe, which is necessary for sealing and supporting the aftertreatment device.

Overall, the Part 5307613 Lock Nut contributes to the structural integrity and operational efficiency of engine systems by providing a reliable fastening solution for various components.

Conclusion

The Cummins 5307613 Lock Nut is a critical component in the maintenance and operation of commercial trucks. Its design and features ensure secure fastening of critical components, contributing to the overall reliability and safety of the vehicle. Proper installation, regular maintenance, and timely replacement of this part are essential practices to ensure the continued performance and longevity of truck mechanical systems.


  1. Bennett, S., & Norman, I. A. (2011). Heavy Duty Truck Systems, Fifth Edition. Delmar Cengage Learning.

  2. Fehan, D. R. (2013). Design of Racing and High-Performance Engines 2004-2013. SAE International.

  3. Cummins Inc. (n.d.). Service Manual (4332641) for ISB6.7 CM2350 B103 engine.

SPECIFICATIONS

Notes
CES P/N A043K258
Package Dimensions
0.5 x 0.5 x 0.375 in
Weight
0.007 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.