3900589
Hexagon Flange Nut
Cummins®

The Cummins Hexagon Flange Nut, part number 3900589, is a critical component in the maintenance and operation of commercial trucks. This part ensures secure fastening of various truck components, leveraging Cummins Inc.’s expertise and commitment to quality and innovation.

Basic Concepts of Hexagon Flange Nuts

A Hexagon Flange Nut is characterized by its hexagonal shape and a flange—a flat, circular plate—attached to one end. This design allows for efficient torque application and provides a larger bearing surface, which helps distribute the load more evenly ¹. Typically, these nuts are made from materials such as steel or stainless steel, chosen for their strength, durability, and resistance to corrosion ².

Role of Hexagon Flange Nut in Truck Operation

The 3900589 Hexagon Flange Nut is essential in the operation and maintenance of commercial trucks. It is commonly used in applications requiring secure and reliable fastening, such as attaching critical components to the truck’s frame, engine mounts, and various structural elements. The flange design enhances the nut’s ability to resist loosening, which is crucial in the dynamic and often harsh operating conditions of commercial trucks ³.

Key Features of the 3900589 Hexagon Flange Nut

This Cummins part is distinguished by several key features. Its hexagonal shape allows for easy engagement with standard wrenches, facilitating straightforward installation and removal. The flange provides additional surface area, which not only aids in distributing the load but also helps prevent the nut from loosening over time. Additionally, the nut may feature unique attributes such as a special coating or threading pattern to enhance its performance and reliability in demanding environments.

Benefits of Using Hexagon Flange Nuts

Using Hexagon Flange Nuts in truck applications offers several advantages. The design allows for improved torque application, ensuring that components are securely fastened. The flange provides resistance to loosening, which is particularly beneficial in applications where vibrations and dynamic loads are common. Furthermore, the ease of installation and removal makes maintenance more efficient, reducing downtime and enhancing overall truck reliability.

Troubleshooting and Maintenance

To ensure the longevity and performance of Hexagon Flange Nuts, it is important to be aware of common issues such as corrosion or stripping. Regular inspection for signs of wear or damage is recommended. In cases where corrosion is detected, cleaning and reapplying a protective coating can help mitigate further degradation. If a nut becomes stripped, it should be replaced to maintain the integrity of the fastening application. Adhering to these maintenance practices will help ensure the continued reliable performance of the nuts.

Cummins as a Manufacturer

Cummins Inc. is a well-established manufacturer with a strong reputation in the industry. The company has a history of innovation and commitment to quality, which is reflected in its truck components. Cummins’ dedication to producing reliable and high-performance parts underscores its position as a trusted provider in the commercial truck market. The 3900589 Hexagon Flange Nut is a testament to Cummins’ expertise and ongoing efforts to deliver superior truck components.

Compatibility with Cummins Engines

The Cummins Hexagon Flange Nut part number 3900589 is designed to fit a variety of Cummins engines, ensuring a secure and reliable connection in various applications. This part is integral to the assembly and maintenance of these engines, providing a critical fastening solution.

15N CM2380 M104B

The 15N CM2380 M104B engine benefits from the 3900589 Hexagon Flange Nut, which is essential for maintaining the integrity of the engine’s mounting and structural components.

4B3.9, 6B5.9, 6C8.3

These engines, including the 4B3.9, 6B5.9, and 6C8.3, utilize the 3900589 Hexagon Flange Nut for their robust and reliable fastening needs. This part ensures that critical engine components remain securely fastened under operational stresses.

A1400, A1700, A2000, A2300

The A-series engines, specifically the A1400, A1700, A2000, and A2300, incorporate the 3900589 Hexagon Flange Nut to maintain the structural integrity of their mounting systems. This part is crucial for the longevity and performance of these engines.

B-Series Engines

The B-series engines, which include the B3.3, B4.5, B4.5 CM2350 B129B, B4.5 RGT, B5.6 CM2670 B152B, B5.9 CM2670 B166C, B5.9 G, B5.9 GAS PLUS CM556, B6.7 CM2350 B135B, B6.7 CM2670 B153B, B6.7 CM2670 B164C, B6.7 G CMOH6.0 B125, B6.7S, C GAS PLUS CM556, and C8.3 G, all utilize the 3900589 Hexagon Flange Nut. This part is essential for ensuring the secure fastening of various components within these engines, contributing to their overall reliability and performance.

D-Series and F-Series Engines

The D-series and F-series engines, specifically the D4.0 CM2620 D103B and F2.8 CM2620 F135B, also incorporate the 3900589 Hexagon Flange Nut. This part is vital for maintaining the structural integrity and secure fastening of components within these engines, ensuring they operate efficiently and reliably.

Role of Part 3900589 Hexagon Flange Nut in Engine Systems

The 3900589 Hexagon Flange Nut is integral in securing and maintaining the integrity of various components within engine systems. Its application spans across multiple critical areas, ensuring both the mechanical stability and operational efficiency of the engine.

Aftercooler Water Plumbing

In the aftercooler water plumbing system, the Hexagon Flange Nut is used to secure fittings and connections, ensuring a leak-free pathway for coolant circulation. This helps in maintaining optimal temperatures and efficiency of the aftercooler.

Air Intake Manifold

Within the air intake manifold, these nuts are employed to fasten the manifold to the engine block or cylinder head. This secure attachment ensures that the air-fuel mixture is delivered consistently and without leaks.

Air Shutoff Valve

For the air shutoff valve, the Hexagon Flange Nut plays a role in mounting the valve securely to its housing. This ensures that the valve can operate effectively without any risk of detachment or misalignment.

Alternator Mounting

In alternator mounting, these nuts are critical for attaching the alternator to the engine. This secure fit is essential for the alternator to function correctly and provide a stable electrical supply to the engine systems.

Block Vent Plumbing

The block vent plumbing utilizes these nuts to secure vent lines and fittings. This ensures that pressure within the engine block is managed effectively, preventing any build-up that could lead to damage.

Cabin Heater Plumbing

For cabin heater plumbing, the Hexagon Flange Nut is used to secure connections within the heater core and associated pipes. This ensures that hot coolant is delivered efficiently to the cabin heater, providing consistent warmth.

Compressor Coolant Arrangement

In the compressor coolant arrangement, these nuts are vital for securing coolant lines and fittings. This ensures that the compressor receives a steady supply of coolant, maintaining its temperature and efficiency.

Duplex Fuel Filter

The duplex fuel filter system uses these nuts to secure the filter housing and connections. This ensures that fuel is filtered effectively before reaching the engine, maintaining clean fuel delivery.

Engine Control Module

For the engine control module (ECM), the Hexagon Flange Nut is used to mount the ECM securely to its bracket. This ensures that the ECM remains stable and operates within specified parameters.

Engine Installation Kit

Within the engine installation kit, these nuts are used for various mounting and securing applications. This includes attaching the engine to the chassis and securing ancillary components.

Exhaust Gas Temperature Sensor

The exhaust gas temperature sensor relies on these nuts for secure mounting. This ensures accurate temperature readings, which are vital for engine management and performance tuning.

Exhaust Manifold

In the exhaust manifold, the Hexagon Flange Nut is used to secure the manifold to the engine. This ensures that exhaust gases are directed efficiently away from the engine, maintaining performance and reducing emissions.

Expansion Tank Mounting

For the expansion tank, these nuts are used to secure the tank to its mounting bracket. This ensures that the tank remains stable and can effectively manage coolant expansion and contraction.

Fan Pilot Spacer

The fan pilot spacer uses these nuts to secure the fan to the engine. This ensures that the fan operates correctly, providing essential cooling to the engine components.

Duplex Oil Filter

In the duplex oil filter system, these nuts are used to secure the filter housing and associated fittings. This ensures that oil is filtered effectively before circulating through the engine.

Fuel Control Module

For the fuel control module, the Hexagon Flange Nut is used to mount the module securely. This ensures that the module operates within specified parameters, maintaining fuel delivery efficiency.

Fuel Transfer Right Hand Engine Kit

Within the fuel transfer right-hand engine kit, these nuts are used to secure fuel lines and fittings. This ensures that fuel is transferred efficiently and without leaks.

Hand Hole Cover

The hand hole cover utilizes these nuts to secure the cover in place. This provides access for maintenance while ensuring the cover remains securely attached during operation.

Keel Cooler Plumbing

In the keel cooler plumbing, these nuts are used to secure coolant lines and fittings. This ensures that the keel cooler operates effectively, maintaining engine temperature.

Nitrogen Oxide Sensor Location

For the nitrogen oxide sensor, these nuts are used to mount the sensor securely. This ensures accurate readings, which are essential for emissions control and engine performance.

Sensor Plumbing

Within sensor plumbing, these nuts are used to secure various sensor connections. This ensures that sensors operate correctly, providing accurate data for engine management.

Service Kit

In a service kit, these nuts are included for various mounting and securing applications. This ensures that components are installed correctly during maintenance procedures.

Thermostat Housing

The thermostat housing uses these nuts to secure the housing to the engine. This ensures that the thermostat operates correctly, maintaining engine temperature within specified ranges.

Turbocharger Location

For the turbocharger, these nuts are used to secure the turbocharger to the engine. This ensures that the turbocharger operates efficiently, providing the necessary boost for engine performance.

Valve Cover

Finally, the valve cover utilizes these nuts to secure the cover to the engine. This ensures that the valvetrain components are protected and operate within specified parameters.

Conclusion

The Cummins 3900589 Hexagon Flange Nut is a vital component in the maintenance and operation of commercial trucks. Its design and features ensure secure fastening of various truck components, contributing to the overall reliability and performance of the vehicle. Regular maintenance and proper use of this part are essential for ensuring the longevity and efficiency of commercial truck engines.