3929863
Plain Washer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$6.99 $8.32

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 3929863 Plain Washer, a component manufactured by Cummins, plays a significant role in the mechanical systems of heavy-duty trucks. Cummins, renowned for its robust and dependable products, ensures that this washer meets the stringent demands of heavy-duty applications, contributing to the overall efficiency and reliability of truck components 1.

Basic Concepts of Plain Washers

Plain washers are fundamental components in mechanical systems, primarily functioning to distribute loads, prevent surface damage, and provide cushioning between components. They are typically made from materials such as steel, stainless steel, or brass, selected based on the specific requirements of the application, including load capacity, environmental conditions, and corrosion resistance 2.

Purpose of the 3929863 Plain Washer

The 3929863 Plain Washer ensures even load distribution across components in heavy-duty trucks, reducing the risk of surface damage and enhancing the stability of connections. Its presence contributes to the efficiency and reliability of truck components by maintaining proper alignment and reducing wear on mating surfaces 3.

Key Features

This Cummins part is characterized by its design and material composition. Crafted from high-quality materials, it offers durability and resistance to wear and corrosion. Its design ensures optimal load distribution, and it may feature unique attributes that enhance its performance in demanding environments.

Benefits

Utilizing the 3929863 Plain Washer in truck maintenance and operations offers several advantages. Its durability ensures long-term use, while its design aids in effective load distribution. Additionally, the washer’s resistance to wear and corrosion contributes to the longevity and optimal performance of truck components.

Installation and Usage

Proper installation of the 3929863 Plain Washer is crucial for its effective function. It should be placed between the nut or bolt head and the surface to be fastened, ensuring even load distribution and protection of the surface. Common applications within heavy-duty truck systems include use in engine components, chassis parts, and various fastening applications.

Troubleshooting and Maintenance

Identifying issues related to plain washers may involve checking for signs of wear, corrosion, or improper installation. Regular maintenance, including inspection and replacement when necessary, ensures the longevity and optimal performance of the 3929863 Plain Washer. Ensuring it is correctly installed and used within its designed parameters is key to preventing issues.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and aftermarket parts. With a history of innovation and quality, Cummins has established a strong reputation in the automotive and heavy-duty truck industry. Its product range is designed to meet the demanding requirements of various applications, ensuring reliability and performance.

Cummins Engine Part 3929863: Plain Washer Application

The Cummins part number 3929863, a Plain Washer, is integral to the assembly and maintenance of various Cummins engines. This washer ensures proper sealing and alignment of engine parts, spanning across multiple engine models for compatibility and reliability.

Engine Compatibility

  • 6B5.9 Series: The Plain Washer 3929863 is used in the 6B5.9 engine series to maintain the integrity of connections and prevent leaks.
  • Other Cummins Engines: It is also applicable to other Cummins engines, ensuring consistent performance across different engine models.

Importance in Engine Assembly

The Plain Washer 3929863 prevents galling, maintains alignment, and ensures proper torque, contributing to the engine’s performance and longevity.

Installation Considerations

When installing the Plain Washer 3929863, it is important to check for damage, use correct torque specifications, and position accurately to ensure effective function.

Role of Part 3929863 Plain Washer in Engine Systems

In the intricate assembly of engine systems, the 3929863 Plain Washer ensures the smooth operation and longevity of various components.

Bell Crank Lever

The plain washer is positioned between the lever and its mounting point, providing a smooth surface that reduces friction and wear, enhancing the efficiency and responsiveness of the engine’s control mechanisms.

Lever

Employed at the pivot points of levers, the plain washer maintains a consistent and smooth motion, preserving the lever’s mechanical integrity and operational precision over time.

Throttle

Used in the throttle assembly, the plain washer ensures that the throttle plate moves freely without undue resistance, facilitating accurate and responsive control over the engine’s airflow.

Throttle Bracket

Inserted between the bracket and the mounting surface, the plain washer distributes the load evenly and prevents galling, prolonging the life of the bracket and ensuring accurate throttle positioning.

Throttle Control Bracket

Providing a smooth interface, the plain washer allows for easy adjustment and fine-tuning of the throttle control, ensuring that the throttle responds accurately to driver inputs.

Throttle Kit

A common element within throttle kits, the plain washer ensures smooth operation and durability by reducing friction and wear, contributing to the overall reliability and efficiency of the throttle kit.

Conclusion

The 3929863 Plain Washer is a vital component in the mechanical systems of heavy-duty trucks and Cummins engines. Its role in ensuring even load distribution, preventing surface damage, and enhancing the stability of connections contributes significantly to the efficiency and reliability of truck and engine components. Proper installation, regular maintenance, and understanding its application across various engine systems are key to leveraging the full benefits of this Cummins part.


  1. Bennett, S., & Norman, I. A. (2011). Heavy Duty Truck Systems Fifth Edition. Delmar Cengage Learning.

  2. Pulkrabek, W. W. (2014). Engineering Fundamentals of the Internal Combustion Engine. Pearson Education.

  3. Aird, F. (2001). Bosch Fuel Injection Systems. HP Books.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
0.875 x 0.875 x 0.125 in
Weight
0.02 lbs
* 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.