3904638
Flat Washer
Cummins®

Name: 3904638 Cummins | Flat Washer
Brand: Cummins
SKU: 3904638
Price: 33.95 USD
Availability: InStock
Rating: 5 (1 reviews)

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Genuine OEM Part

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.

Manufacturer Warranty*

We honor the warranty provided by the original equipment manufacturer.

DESCRIPTION

The Cummins 3904638 Flat Washer is a component designed for use in heavy-duty truck maintenance and operation. This washer serves a specific function within the mechanical assemblies of trucks, contributing to the overall efficiency and reliability of the vehicle.

Basic Concepts of Flat Washers

Flat washers are disc-shaped components with a hole in the center, used in mechanical assemblies to distribute the load of a fastener, such as a bolt or screw, over a larger area. They help prevent damage to the surfaces being joined by spreading the pressure exerted by the fastener. Additionally, flat washers can provide a degree of insulation between the fastener and the joined materials, reducing the risk of electrical conductivity or galvanic corrosion ¹.

Purpose of the Cummins 3904638 Flat Washer

This Cummins part is utilized in various truck components and systems to enhance the performance and longevity of the assembly. It plays a role in distributing the load of fasteners used in critical truck systems, ensuring that the pressure is evenly spread across the joined surfaces. This helps in maintaining the integrity of the components and preventing premature wear or damage ².

Key Features

The Cummins 3904638 Flat Washer is characterized by its material composition, dimensions, and design. It is made from high-quality materials that offer resistance to wear and corrosion, making it suitable for the demanding conditions encountered in heavy-duty truck applications. The washer’s dimensions are tailored to fit specific fasteners and applications, ensuring a proper fit and effective load distribution. Its design includes features that enhance its durability and performance in various truck systems ³.

Benefits of Using the Cummins 3904638 Flat Washer

Utilizing this part provides several advantages. Its durable construction ensures long-lasting performance, even under the strenuous conditions typical of heavy-duty truck operations. The washer’s design facilitates improved load distribution, which helps in reducing the risk of damage to the joined surfaces. Additionally, its resistance to wear and corrosion contributes to the overall reliability and maintenance efficiency of the truck.

Installation and Usage

Proper installation of the Cummins 3904638 Flat Washer is vital for ensuring its effectiveness and the longevity of the truck components it is used with. It should be placed under the head of a bolt or screw, or within a nut, to distribute the load and protect the surfaces being joined. Careful attention to the washer’s orientation and fit is recommended to achieve the desired performance and durability.

Troubleshooting and Maintenance

Common issues with flat washers, such as wear or improper installation, can affect the performance and reliability of truck components. Regular inspection and maintenance of the washers, including checking for signs of wear or damage, are recommended to ensure continued optimal performance. Replacing worn or damaged washers promptly can help prevent more significant issues and maintain the efficiency of the truck’s mechanical systems.

Cummins Corporation

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a broad product range that includes diesel and natural gas engines, as well as related technologies, Cummins serves a variety of industries, including heavy-duty trucking. The company is known for its commitment to quality, innovation, and customer satisfaction, making it a reputable name in the automotive and heavy-duty truck industry.

Conclusion

The Cummins 3904638 Flat Washer is a critical component in the maintenance and operation of heavy-duty trucks. Its role in distributing the load of fasteners, preventing damage to joined surfaces, and enhancing the reliability of truck components underscores its importance in truck maintenance. Proper installation, regular maintenance, and prompt replacement of worn washers are essential practices to ensure the continued efficiency and reliability of heavy-duty truck systems.

Calder, Nigel. Diesel Engine Care and Repair. The McGraw-Hill Companies, 2007.
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Hilgers, Michael. Fuel Consumption and Consumption Optimization, Second Edition. Springer Nature, 2023.
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Dempsey, Paul. Troubleshooting and Repairing Diesel Engines, 5th Edition. McGraw-Hill, 2018.
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SPECIFICATIONS

Hazardous Material

Non-Hazardous (NOI, ICE/Auto)

Package Dimensions

0.375 x 0.375 x 0.125 in

Weight

0.004 lb

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* 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.

3904638 Flat Washer Cummins®