3009716
Lock Nut
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$13.95 $16.60

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 Part #3009716 Lock Nut is a specialized component designed for use in commercial truck maintenance and operation. Its purpose is to secure various assemblies and components, ensuring they remain firmly in place under dynamic conditions. This part is significant in maintaining the integrity and safety of truck operations by preventing loosening due to vibrations and other forces encountered during transit.

Basic Concepts of Lock Nuts

Lock nuts are mechanical fasteners designed to resist loosening caused by vibration and dynamic forces. They function by creating additional friction between the nut and the threaded component, which helps to keep the assembly secure. Lock nuts are commonly used in various mechanical systems where stability and reliability are paramount. The principle behind lock nuts involves the use of nylon inserts, deformed threads, or locking compounds to enhance the resistance to loosening 1.

Purpose of the 3009716 Lock Nut in Truck Operation

The 3009716 Lock Nut plays a specific role in the operation and maintenance of commercial trucks by securing critical components and assemblies. It is often used in applications where vibrations and dynamic loads are prevalent, such as in the fastening of engine components, chassis parts, and other critical assemblies. By ensuring these components remain securely fastened, the lock nut contributes to the overall safety and performance of the truck 2.

Key Features of the 3009716 Lock Nut

The Cummins 3009716 Lock Nut is distinguished by several key features that enhance its performance and reliability in heavy-duty applications. These features include a precision-machined design, high-strength material properties, and a locking mechanism that provides superior resistance to loosening. The lock nut is engineered to withstand the rigors of commercial truck operation, offering durability and consistent performance 3.

Benefits of Using the 3009716 Lock Nut

Incorporating the 3009716 Lock Nut in truck maintenance offers several advantages. These include improved safety by ensuring components remain securely fastened, reduced maintenance frequency due to its reliable locking mechanism, and enhanced durability of fastened components. The use of this lock nut can lead to more efficient truck operations and lower overall maintenance costs 4.

Installation Guidelines

Proper installation of the 3009716 Lock Nut is crucial for ensuring secure fastening. The installation process involves several steps: first, clean the threaded component to remove any debris or contaminants. Next, apply the appropriate torque specification using a torque wrench to tighten the lock nut. It is recommended to use the correct tools and follow best practices to avoid over-tightening or under-tightening, which can compromise the lock nut’s effectiveness.

Troubleshooting Common Issues

Typical problems associated with lock nuts include over-tightening, which can damage the threads, and under-tightening, which may result in loosening. To diagnose and resolve these issues, it is important to inspect the lock nut and threaded component for signs of wear or damage. Ensuring the correct torque specification is used during installation can help prevent these common issues and maintain optimal performance.

Maintenance Tips

Routine checks and maintenance procedures are important for ensuring the longevity and reliability of lock nuts. Regular inspections should be conducted to look for signs of wear, corrosion, or damage. If any issues are detected, the lock nut should be replaced to maintain the security of the fastened components. Following manufacturer recommendations for inspection intervals can help prevent unexpected failures and ensure continued safe operation.

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 is committed to quality and innovation in the automotive and engine manufacturing industry. The company’s product range includes a variety of components and systems designed to meet the demanding requirements of commercial and industrial applications. Cummins’ dedication to excellence is evident in its comprehensive approach to product development, manufacturing, and customer support.

Lock Nut 3009716 Compatibility with Cummins Engines

The Lock Nut 3009716, manufactured by Cummins, is a critical component designed to ensure secure fastening in various engine applications. This part is engineered to fit seamlessly with several Cummins engine models, providing stability and reliability across different engine types.

ISM CM570 and ISM CM570/870 Engines

The ISM CM570 and ISM CM570/870 engines are part of Cummins’ lineup of industrial and marine engines. The Lock Nut 3009716 is specifically designed to integrate with these engines, ensuring that critical components remain tightly secured during operation. This is particularly important in environments where vibrations and harsh conditions can otherwise lead to loosening of fasteners.

L10 MECHANICAL and M11 MECHANICAL Engines

The L10 MECHANICAL and M11 MECHANICAL engines are known for their robust construction and reliability in heavy-duty applications. The Lock Nut 3009716 is compatible with these engines, providing a dependable solution for securing various parts and ensuring that the engine maintains its integrity under demanding conditions.

M11 CELECT PLUS and N14 MECHANICAL Engines

The M11 CELECT PLUS and N14 MECHANICAL engines represent Cummins’ advanced technology and mechanical engineering prowess. The Lock Nut 3009716 is engineered to fit these engines, ensuring that all components are fastened securely. This is crucial for maintaining performance and longevity in engines that are often subjected to high stress and operational demands.

NH/NT 855 and QSM11 CM570 Engines

The NH/NT 855 and QSM11 CM570 engines are designed for versatility and efficiency. The Lock Nut 3009716 is compatible with these engines, providing a reliable fastening solution that can withstand the rigors of various applications. This ensures that the engines operate smoothly and efficiently, with all components remaining securely in place.

Role of Part 3009716 Lock Nut in Engine Systems

The Part 3009716 Lock Nut is instrumental in ensuring the secure attachment and stability of various components within engine systems. Its application is widespread across different engine assemblies, providing essential support and reliability.

Alternator Mounting and Location

In the context of alternator mounting, the Lock Nut is used to fasten the alternator securely to its designated location on the engine. This ensures that the alternator remains firmly in place, allowing it to function efficiently without the risk of displacement or vibration-induced malfunction. The secure attachment is vital for maintaining consistent electrical output and overall engine performance.

Hydraulic Pump and Drive Components

When integrating hydraulic pumps into engine systems, the Lock Nut plays a significant role in securing the pump to its mounting points. This stability is essential for the pump’s operation, as any movement can lead to misalignment and inefficient hydraulic fluid delivery. Additionally, in drive components, the Lock Nut ensures that connections remain tight, preventing slippage and ensuring smooth power transmission.

Valve Cover and Alternator Integration

The Lock Nut is also employed in the attachment of valve covers, where it secures the cover to the engine block. This is important for maintaining the integrity of the valve train and preventing oil leaks. Furthermore, in alternator integration, the Lock Nut is used to secure the alternator to its mounting bracket, ensuring that the electrical connections remain stable and the alternator operates within specified parameters.

General Mounting Applications

Across various mounting applications, the Lock Nut provides the necessary tension to keep components in place. Whether it is securing an alternator, a hydraulic pump, or other engine accessories, the Lock Nut ensures that these parts remain fixed and operational under the dynamic conditions of engine operation. This reliability in mounting is essential for the longevity and performance of the engine system as a whole.

Conclusion

The Cummins Part #3009716 Lock Nut is a critical component in the maintenance and operation of commercial trucks and various Cummins engines. Its design and features ensure secure fastening of critical components, contributing to the safety, performance, and reliability of the vehicle. Proper installation, regular maintenance, and understanding its role in engine systems are essential for maximizing the benefits of this part.


  1. Mohamed ElSayed PE, Fundamentals of Integrated Vehicle Realization, SAE International, 2017.

  2. Ben Watson, Mobile Equipment Hydraulics A Systems and Troubleshooting Approach, Cengage Learning, 2011.

  3. Department of Energy, Department of Energy Fundamentals Handbook, Department of Energy, 2015.

  4. John Kasab and Andrea Strzelec, Automotive Emissions Regulations and Exhaust Aftertreatment Systems, SAE International, 2020.

SPECIFICATIONS

Notes
7/16 - 20 UNF
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
0.9 x 0.9 x 0.38 in
Weight
0.04 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.