3897149
Plain Washer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$8.99 $10.70

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 Cummins 3897149 Plain Washer is a component designed for use in heavy-duty truck applications. Its purpose is to enhance the functionality and durability of truck systems by providing a stable and even distribution of load across fastenings. This part is significant in the context of heavy-duty truck components due to its role in maintaining the integrity and performance of various truck systems.

Basic Concepts of Plain Washers

Plain washers are simple yet vital components in mechanical systems. They function primarily to distribute the load of a fastening, such as a bolt or nut, over a larger area. This distribution helps prevent damage to the surfaces being joined and reduces the risk of the fastening becoming loose over time. Plain washers also serve to isolate the fastening from corrosive elements, thereby extending the lifespan of both the washer and the components it is attached to 1.

Purpose of the Cummins 3897149 Plain Washer

The Cummins 3897149 Plain Washer plays a specific role in the operation of heavy-duty trucks. It is applied in various truck systems and components where load distribution and corrosion resistance are required. This washer ensures that the fastenings remain secure under the demanding conditions typical of heavy-duty truck use, contributing to the overall reliability and performance of the vehicle.

Key Features

The Cummins 3897149 Plain Washer is characterized by several key features that make it suitable for heavy-duty applications. These include its material composition, typically a durable metal such as steel, which provides strength and resistance to wear. The dimensions of the washer are designed to fit specific applications, ensuring a proper fit and function within the truck’s systems. Additionally, the design of the washer, including its thickness and outer diameter, is tailored to distribute loads effectively and prevent damage to the components it is used with.

Benefits of Using Plain Washers

Incorporating plain washers into truck maintenance and assembly offers several advantages. These include improved load distribution, which helps maintain the integrity of fastenings under stress. Plain washers also provide a degree of corrosion resistance, protecting both the washer and the components it is used with from environmental damage. Furthermore, the use of plain washers can contribute to the longevity of fastenings by reducing wear and the risk of loosening, thereby enhancing the overall durability of truck systems 2.

Installation and Usage Guidelines

Proper installation of the Cummins 3897149 Plain Washer is crucial for its effective function. It should be placed under the head of a bolt or nut to ensure even load distribution. Best practices for installation include ensuring the washer is the correct size for the application and that it is free from defects or damage. Common applications within truck maintenance include use in engine components, chassis parts, and other areas where secure fastenings are required.

Troubleshooting and Maintenance

Identifying common issues related to plain washers, such as wear and tear or improper installation, is important for maintaining the performance of truck systems. Regular inspection of washers for signs of damage or corrosion can help prevent failures. Maintenance tips include replacing worn or damaged washers promptly and ensuring that all fastenings are properly torqued to manufacturer specifications to avoid overloading the washer.

Common Applications in Heavy-Duty Trucks

The Cummins 3897149 Plain Washer is typically used in a variety of applications within heavy-duty trucks. Examples include its use in engine components, where it helps secure critical parts under high stress and temperature conditions, and in chassis parts, where it contributes to the structural integrity of the vehicle. Other critical areas of application may include brake systems, suspension components, and drivetrain parts.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins serves customers in approximately 190 countries and territories through a network of company-owned and independent distributor facilities and dealerships. The company’s product range includes engines for on-highway and off-highway applications, as well as filtration and power generation systems, demonstrating a commitment to providing reliable and efficient power solutions across various industries.

Cummins Plain Washer 3897149 Compatibility

The Cummins Plain Washer part number 3897149 is a critical component designed to fit seamlessly with various Cummins engines. This washer is engineered to ensure proper sealing and alignment in engine assemblies, contributing to the overall efficiency and longevity of the engine.

Engine Compatibility

  • 6C8.3 Series

    • The 3897149 washer is specifically designed to integrate with the 6C8.3 engine series. This engine is known for its robust performance and reliability, making it a popular choice in various industrial applications. The washer’s precise dimensions and material properties ensure it can withstand the operational stresses and thermal cycles inherent in these engines.
  • Other Cummins Engines

    • While the primary focus is on the 6C8.3 series, the 3897149 washer is also compatible with other Cummins engines. Its versatile design allows it to be used in multiple engine configurations, providing a standardized solution for sealing and alignment needs across different engine models.

Integration and Functionality

The 3897149 washer plays a pivotal role in the engine’s assembly by:

  • Providing a secure seal between engine components to prevent leaks.
  • Ensuring proper alignment of parts, which is crucial for the engine’s operational integrity.
  • Distributing pressure evenly, which helps in reducing wear and tear on critical engine parts.

By maintaining these functions, the washer contributes to the engine’s overall performance and durability. Its compatibility with the 6C8.3 series and other Cummins engines underscores its importance in the engine’s assembly process.

Role of Part 3897149 Plain Washer in Engine Systems

In engine systems, the part 3897149 Plain Washer is instrumental in ensuring the smooth operation of various components. Its primary function is to provide a stable and uniform surface between mating parts, which is essential for the efficient transfer of forces and reduction of wear.

Isolator Applications

When integrated into isolator systems, the Plain Washer helps in maintaining the structural integrity of the isolator. Isolators are designed to reduce the transmission of vibration and noise from the engine to the rest of the vehicle. The Plain Washer ensures that the isolator mounts are securely in place, allowing the isolator to perform its function effectively. This results in a more comfortable ride and reduced stress on the vehicle’s chassis.

Vibration Dampening

In vibration dampening applications, the Plain Washer plays a significant role in enhancing the performance of vibration dampers. These dampers are critical in absorbing and dissipating vibrational energy generated by the engine. The Plain Washer provides a consistent interface between the damper and the engine mount, ensuring that the damper can operate within its designed parameters. This consistency is vital for the damper to effectively reduce vibrations, leading to smoother engine operation and prolonged component lifespan.

Conclusion

The Cummins 3897149 Plain Washer is a critical component in the maintenance and operation of heavy-duty trucks and Cummins engines. Its role in load distribution, corrosion resistance, and ensuring secure fastenings contributes significantly to the durability and performance of truck systems. Proper installation, regular maintenance, and understanding its applications are key to leveraging the full benefits of this part.


  1. Sclar, D. (2008). Auto Repair for Dummies: 2nd Edition. For Dummies.

  2. Stiesch, G. (2003). Modeling Engine Spray and Combustion Processes. Springer Verlag.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
2.0 x 2.0 x 0.125 in
Weight
0.07 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.