3958735
Hexagon Flange Head Cap Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$57.95 $68.96

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 Hexagon Flange Head Cap Screw, identified by part number 3958735, is a component manufactured by Cummins. This screw is significant in the realm of commercial trucks due to its robust design and reliable performance. Cummins, a well-respected name in the automotive industry, ensures that this part meets high standards of quality and functionality 1.

Basic Concepts

Hexagon Flange Head Cap Screws are characterized by their hexagonal head and flange, which provide additional surface area for torque application and prevent the screw from being driven into the material. These screws are commonly used in the automotive industry for fastening applications where high strength and resistance to loosening are required. Their design allows for efficient and secure fastening in various materials and environments 2.

Purpose and Role in Truck Operation

The 3958735 Hexagon Flange Head Cap Screw plays a specific role in the operation of commercial trucks. It is used to secure components that require a strong, durable fastening solution. By providing a reliable connection between parts, this screw contributes to the overall stability and performance of the vehicle. Its application ensures that critical components remain securely attached, which is vital for the safe and efficient operation of the truck.

Key Features

The 3958735 Hexagon Flange Head Cap Screw features a hexagonal flange head, which offers several advantages. The hexagonal shape allows for easy tightening and loosening using a wrench, while the flange provides additional torque resistance. The screw is made from high-quality materials, ensuring durability and resistance to corrosion. Its thread specifications are designed to provide a strong and secure hold in various applications.

Benefits

This screw offers several benefits, including enhanced fastening strength and resistance to loosening. The flange head design distributes torque more effectively, reducing the risk of stripping or damaging the screw or the material it is fastened to. Additionally, its material composition ensures long-lasting performance even in challenging environments. The screw is compatible with a wide range of applications, making it a versatile choice for commercial truck maintenance.

Installation and Usage Guidelines

Proper installation of the 3958735 Hexagon Flange Head Cap Screw involves several steps. First, ensure that the mating surfaces are clean and free of debris. Use a wrench to tighten the screw gradually, applying even pressure to avoid cross-threading. It is important to achieve the recommended torque specification to ensure a secure fastening without over-tightening, which could damage the screw or the material. Regular inspection and maintenance will help ensure the screw remains in optimal condition.

Troubleshooting and Maintenance

Common issues with the 3958735 Hexagon Flange Head Cap Screw include loosening, corrosion, or damage. Regular inspections can help identify these problems early. If loosening is detected, re-tighten the screw to the specified torque. Corrosion can be addressed by cleaning the screw and applying a protective coating. Damaged screws should be replaced to maintain the integrity of the fastening. Routine maintenance practices, such as periodic inspections and torque checks, will help ensure the screw continues to perform reliably.

Safety Considerations

When working with the 3958735 Hexagon Flange Head Cap Screw, it is important to follow safety precautions. Use the appropriate tools to avoid damaging the screw or the wrench. Store the screws in a dry, corrosion-resistant environment to maintain their quality. Dispose of any damaged or corroded screws properly to prevent environmental contamination. Always wear appropriate personal protective equipment when handling and installing the screw.

Cummins Overview

Cummins Inc. is a leading manufacturer in the automotive industry, known for its commitment to quality, innovation, and customer satisfaction. Founded in 1919, Cummins has a long history of producing reliable and high-performance engine and power generation equipment. The company’s product offerings include engines, filtration systems, and aftermarket parts, all designed to meet the demanding needs of commercial and industrial applications. Cummins’ reputation for excellence is built on its dedication to continuous improvement and customer-centric solutions.

Cummins Engine Compatibility with Hexagon Flange Head Cap Screw Part 3958735

The Hexagon Flange Head Cap Screw part number 3958735, manufactured by Cummins, is a critical component used in various engine assemblies. This screw is designed to provide a secure fastening solution in environments where high strength and durability are paramount. Here is a detailed look at how this part integrates with specific Cummins engines:

15N CM2380 M104B and ISX12 CM2350 X102

The 15N CM2380 M104B and ISX12 CM2350 X102 engines both utilize the 3958735 screw in their assembly. This screw is typically employed in securing various engine components, ensuring that parts remain tightly fastened under operational stress. Its flange head design allows for a larger bearing surface, which is essential for distributing the load evenly and preventing damage to the engine’s delicate components.

ISX12 G CM2180 EJ and ISX12/ISX11.9 CM2250

In the ISX12 G CM2180 EJ and ISX12/ISX11.9 CM2250 engines, the 3958735 screw is used in several key areas. Its application in these engines often involves securing engine covers and housings, which are critical for maintaining the integrity of the engine’s internal systems. The hexagon head provides a convenient grip for tools, facilitating easy installation and removal during maintenance procedures.

ISZ13 CM2150 Z105 and QSX11.9 CM2250 ECF

The ISZ13 CM2150 Z105 and QSX11.9 CM2250 ECF engines also benefit from the use of the 3958735 screw. In these engines, the screw is often used to fasten components that are exposed to high temperatures and pressures. The screw’s robust design ensures that it can withstand these harsh conditions without compromising its structural integrity.

QSZ13 CM2150 Z102 and Z14 CM2670 Z103B

Lastly, the QSZ13 CM2150 Z102 and Z14 CM2670 Z103B engines incorporate the 3958735 screw in their assembly. This screw is particularly useful in these engines for securing parts that require a high level of precision and stability. Its flange head design allows for a secure fit, which is crucial for maintaining the alignment and performance of the engine’s various systems.

Role of Part 3958735 Hexagon Flange Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the part 3958735 Hexagon Flange Head Cap Screw serves as a vital fastening element. Its primary function is to securely connect various components, ensuring structural integrity and optimal performance.

Ball Plug and Housing Assembly

The ball plug, often utilized for sealing purposes within the housing, relies on the 3958735 Hexagon Flange Head Cap Screw for secure attachment. This screw ensures that the ball plug remains firmly in place, preventing any potential leaks or misalignments that could compromise the engine’s efficiency.

Front Gear and Lever Mechanisms

In the front gear and lever mechanisms, the 3958735 Hexagon Flange Head Cap Screw plays a significant role. It fastens the lever to the front gear, maintaining the precise alignment necessary for smooth operation. This secure attachment is essential for the lever to function correctly, translating motion efficiently within the engine system.

Rocker and Rocker Lever Systems

The rocker and rocker lever systems are integral to the engine’s valve operation. The 3958735 Hexagon Flange Head Cap Screw is employed to attach the rocker lever to the rocker lever shaft and support. This ensures that the rocker lever remains stable and aligned, allowing for consistent and reliable valve actuation. The screw’s robust design withstands the dynamic forces exerted during engine operation, contributing to the durability and performance of the rocker lever system.

Rocker Lever Shaft and Support

For the rocker lever shaft and its support structure, the 3958735 Hexagon Flange Head Cap Screw provides the necessary fastening strength. It secures the rocker lever shaft to the support, ensuring that the shaft remains in the correct position. This stability is vital for the accurate movement of the rocker lever, which in turn affects the timing and efficiency of the engine’s valve operations.

Conclusion

The 3958735 Hexagon Flange Head Cap Screw is an indispensable component in the assembly and functionality of various engine systems. Its role in securely fastening critical parts ensures the engine operates smoothly and efficiently. The robust design and reliable performance of this Cummins part contribute significantly to the overall stability and performance of commercial trucks.


  1. Xin, Q. (2011). Diesel Engine System Design. Woodhead Publishing.

  2. Majewski, A., & Jaskelainen, H. (2023). Diesel Emissions and Their Control: Second Edition. SAE International.

SPECIFICATIONS

Notes
M12 X 1.75 X 90
* 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.