3617958
Regular Hexagon Nut
Cummins®

The 3617958 Regular Hexagon Nut, manufactured by Cummins, is a specialized fastener designed for use in commercial trucks. Fasteners play a significant role in heavy-duty vehicles, ensuring that components remain securely attached under various operating conditions. This nut is integral to maintaining the structural integrity and performance of truck assemblies.

Basic Concepts of Regular Hexagon Nuts

Regular hexagon nuts are characterized by their six-sided shape, which provides several advantages in fastening applications. The hexagonal shape allows for more consistent and reliable torque application compared to other shapes, reducing the risk of rounding or stripping during installation ¹. These nuts typically feature threaded interiors that mate with corresponding bolts or studs. Common materials include steel alloys, which offer a balance of strength and durability. The choice of material and threading specification is crucial for the nut’s performance in demanding environments.

Purpose and Role in Truck Operation

The 3617958 Regular Hexagon Nut serves to secure various components and assemblies within commercial trucks. Its role is to provide a stable and reliable connection, ensuring that parts remain firmly in place despite vibrations, load variations, and environmental factors. Proper fastening is vital for vehicle safety and performance, as it helps prevent component failure and ensures that the truck operates efficiently ².

Key Features

The 3617958 Regular Hexagon Nut is designed with several key features that enhance its functionality and durability. These include a specific size and thread pitch tailored for its intended applications, a material composition that offers high tensile strength, and potential special coatings or treatments to improve corrosion resistance. These features collectively contribute to the nut’s ability to withstand the rigors of commercial truck operation.

Benefits

The 3617958 Regular Hexagon Nut offers several benefits that contribute to the reliability and longevity of truck components. Its corrosion-resistant properties help protect against environmental damage, while its high tensile strength ensures it can handle significant loads without failing. The ease of installation further adds to its practicality, allowing for quick and secure fastening during maintenance or repair procedures.

Installation and Usage Guidelines

Proper installation of the 3617958 Regular Hexagon Nut involves following specific torque specifications and tightening procedures to ensure a secure fastening. It is important to use compatible bolt grades and sizes to achieve optimal performance. Step-by-step instructions should be consulted to guarantee that the nut is installed correctly, minimizing the risk of loosening or failure over time ³.

Troubleshooting and Maintenance

Common issues with regular hexagon nuts include loosening, corrosion, and damage. Identifying the root causes of these problems is key to effective troubleshooting. Regular maintenance practices, such as periodic inspections and re-torquing, can help prolong the lifespan of the nut and ensure continued performance. Addressing issues promptly can prevent more significant problems down the line.

Cummins: Manufacturer Overview

Cummins Inc. is a renowned manufacturer with a strong reputation for producing high-quality automotive components. The company’s history is marked by a commitment to innovation, quality, and customer satisfaction. Cummins’ expertise in manufacturing is evident in the production of the 3617958 Regular Hexagon Nut, which benefits from the company’s dedication to excellence and reliability in automotive fasteners.

Regular Hexagon Nut 3617958 Compatibility with Cummins Engines

The Regular Hexagon Nut part number 3617958, manufactured by Cummins, is a versatile component designed to fit a variety of Cummins engines. This part is essential for securing various components within the engine assembly, ensuring that parts remain tightly fastened and properly aligned.

C Series Engines

• C GAS PLUS CM556
• C8.3 G

These engines, part of the C series, benefit from the use of the 3617958 nut in their assembly. This part is critical for maintaining the integrity of the engine’s internal and external components.

ISB, ISC, ISL, ISM, ISX Series Engines

• ISB CM550
• ISC CM554
• ISL CM554
• ISM CM570
• ISX CM570
• ISX CM870

The ISB, ISC, ISL, ISM, and ISX series engines all utilize the 3617958 nut in their construction. This part is integral to the assembly of these engines, ensuring that all parts are securely fastened and properly aligned.

K Series Engines

• K50

The K50 engine also incorporates the 3617958 nut, ensuring that all components are held together securely and correctly.

L Series Engines

• L10 GAS

The L10 GAS engine uses the 3617958 nut to maintain the structural integrity of its components.

M Series Engines

• M11 CELECT
• M11 CELECT PLUS

Both the M11 CELECT and M11 CELECT PLUS engines rely on the 3617958 nut for securing various parts within the engine assembly.

N Series Engines

• N14 CELECT PLUS

The N14 CELECT PLUS engine uses the 3617958 nut to ensure that all components are tightly fastened and properly aligned.

QSB, QSC, QSK, QSL Series Engines

• QSB5.9 44 CM550
• QSC8.3 CM554
• QSK19 CM2350 K144G
• QSK19 CM500
• QSK45 CM500
• QSK50 CM2150 MCRS
• QSK60 CM500
• QSK60 CM850 MCRS
• QSK60G
• QSK95 CM2350 K111
• QSK95 CM2350 K113
• QSL9 CM554

The QSB, QSC, QSK, and QSL series engines all incorporate the 3617958 nut in their design. This part is crucial for maintaining the structural integrity of these engines, ensuring that all components are securely fastened and properly aligned.

Role of Part 3617958 Regular Hexagon Nut in Engine Systems

The Regular Hexagon Nut, part number 3617958, is integral to the secure assembly and operation of various engine systems. Its primary function is to provide a reliable fastening mechanism that ensures components remain firmly in place under operational stress.

Electrical and Wiring Systems

In the electrical and wiring systems, the Regular Hexagon Nut is used to secure wiring harnesses and control panel wiring harnesses. It plays a significant role in maintaining the integrity of connections between the electronic control module (ECM) wiring harness and the engine control wiring harness. This ensures that electrical signals are transmitted accurately and efficiently, which is essential for the proper functioning of the engine’s electronic systems.

Engine Control Systems

For the engine control module (ECM) and its associated wiring, the Regular Hexagon Nut is employed to fasten the ECM wiring harness to the engine control wiring harness. This secure attachment is vital for maintaining the structural stability of the wiring, preventing any potential disconnections that could lead to engine malfunctions.

Junction Boxes and Harnesses

In junction boxes and various harnesses, including the engine control wiring harness and the electronic control module wiring harness, the Regular Hexagon Nut ensures that all connections are tight and secure. This is particularly important in environments where vibrations and mechanical stresses are common, as it helps prevent loosening of connections over time.

Plumbing and Engine Control Module

When it comes to the plumbing associated with the engine control module, the Regular Hexagon Nut is used to secure fittings and connections. This ensures that fluid pathways remain intact, which is essential for the consistent operation of engine cooling and lubrication systems.

Accessories and Upfit Modules

For accessories and upfit modules, such as the sense upfit module and electronic engine monitor, the Regular Hexagon Nut provides the necessary fastening power to keep these components securely attached to the engine system. This is important for both the functional reliability of these accessories and the overall safety of the engine system.

Conclusion

In summary, the Regular Hexagon Nut, part number 3617958, is a fundamental component in ensuring the secure and reliable operation of various engine systems, from electrical wiring to engine control modules and beyond. Its design, features, and compatibility with a wide range of Cummins engines make it an essential part for maintaining the integrity and performance of commercial truck engines.