4945340
Plain Washer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$2.79 $3.32

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

Introduction

The 4945340 Plain Washer is a component produced by Cummins, a prominent entity in the commercial truck industry. This washer is integral to various truck assemblies, contributing to the mechanical integrity and operational efficiency of the vehicle. Plain washers, in general, are fundamental in mechanical systems, providing support, distributing loads, and enhancing the stability of bolted joints 1.

Basic Concepts of Plain Washers

Plain washers are essential components in mechanical assemblies. Their primary function is to distribute the load of a fastener, such as a bolt or nut, over a larger area, thereby reducing pressure on the surface material. This prevents surface damage and ensures a more secure fastening. Typically made from materials like steel, stainless steel, or brass, plain washers are chosen for their durability, resistance to corrosion, and ability to withstand high loads 2.

Purpose of the 4945340 Plain Washer in Truck Operations

In commercial trucks, the 4945340 Plain Washer ensures the reliability and efficiency of truck components. It is used in various assemblies requiring secure fastening. By providing uniform load distribution and preventing direct contact between the fastener and the surface, it contributes to the longevity and performance of the truck’s mechanical systems.

Key Features of the 4945340 Plain Washer

The 4945340 Plain Washer is characterized by its precise design and high-quality material properties. Manufactured by Cummins, it is crafted to meet the rigorous demands of commercial truck operations. The washer is made from materials offering excellent durability and resistance to wear and corrosion, ensuring it can withstand the harsh conditions encountered in truck applications.

Benefits of Using the 4945340 Plain Washer

Incorporating the 4945340 Plain Washer into truck assemblies offers several advantages. It improves load distribution, crucial for maintaining the integrity of bolted joints under heavy loads. Additionally, its durable construction enhances the overall durability of the assembly, while its design helps maintain structural integrity over time.

Installation and Usage Guidelines

Correct installation of the 4945340 Plain Washer is key to its effective performance. It should be installed according to the manufacturer’s torque specifications to ensure proper fastening without over-tightening, which could lead to damage. When used in conjunction with other components, it is important to follow best practices for assembly to ensure optimal performance and longevity.

Troubleshooting Common Issues

Common issues with plain washers, such as wear and tear or improper fit, can often be traced back to installation errors or environmental factors. Regular inspection and timely replacement can prevent these issues. Additionally, adhering to preventive maintenance practices can help extend the life of the washer and the assemblies it is part of.

Maintenance Tips for Longevity

To extend the service life of the 4945340 Plain Washer, regular inspection and care are recommended. This includes checking for signs of wear or damage and ensuring that it remains properly installed. Adhering to Cummins’ maintenance guidelines can help maintain the washer’s performance and contribute to the overall reliability of the truck’s mechanical systems.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and aftermarket parts. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and focus on technological advancement make it a preferred choice for automotive components, including the 4945340 Plain Washer 3.

Cummins Engine Part 4945340: Plain Washer Compatibility

The Cummins part 4945340, a Plain Washer, is compatible with various Cummins engine models. This washer ensures a smooth and secure connection between different parts, maintaining the integrity and functionality of the engine. Below is a detailed look at the compatibility of this part with specific Cummins engines:

ISBE Series Engines

  • ISBE CM2150
  • ISBE4 CM850

The Plain Washer 4945340 is compatible with the ISBE CM2150 and ISBE4 CM850 engines. These engines are known for their robust design and high performance, often used in heavy-duty applications. The washer ensures that the connections between various engine components remain tight and secure, preventing any potential leaks or failures.

ISL Series Engines

  • ISL9 CM2150 SN
  • ISL9.5 CM2880 L138

For the ISL9 CM2150 SN and ISL9.5 CM2880 L138 engines, the Plain Washer 4945340 plays a crucial role in maintaining the engine’s structural integrity. These engines are designed for demanding applications, and the washer helps in maintaining the precise alignment and connection of parts, contributing to the engine’s overall efficiency and longevity.

L Series Engines

  • L8.9
  • L8.9G CMOH2.0 L125B
  • L9 CM2670 L128B

The Plain Washer 4945340 is also compatible with the L8.9, L8.9G CMOH2.0 L125B, and L9 CM2670 L128B engines. These engines are widely used in various applications due to their reliability and performance. The washer ensures that the connections between different parts of the engine are secure and stable, which is essential for the smooth operation of these engines.

Each of these engines, while differing in specific applications and performance characteristics, relies on the Plain Washer 4945340 to maintain critical connections. This part’s compatibility across multiple engine models underscores its importance in ensuring the engines’ operational integrity and reliability.

Role of Part 4945340 Plain Washer in Engine Systems

In the intricate assembly of engine systems, the 4945340 Plain Washer serves a significant function, particularly within the front engine support and overall engine support structures. This component is instrumental in maintaining the integrity and efficiency of the engine’s operational dynamics.

Front Engine Support

Within the front engine support system, the 4945340 Plain Washer acts as a pivotal element in the assembly process. It ensures that the various components of the front engine support are correctly aligned and secured. By providing a smooth surface between moving parts, it minimizes friction and wear, which is essential for the longevity and performance of the engine support system. This washer facilitates the even distribution of load across the support structure, enhancing the stability of the front engine assembly.

General Engine Support

In the broader context of engine support, the 4945340 Plain Washer contributes to the overall structural integrity of the engine. It is often used in conjunction with bolts and nuts to secure engine components, ensuring that they remain firmly in place under the stresses of operation. The washer’s role in preventing direct metal-to-metal contact between fasteners and engine parts is vital for reducing the risk of galling and seizing, which can lead to component failure over time.

Integration with Other Components

The 4945340 Plain Washer is also integral in the interaction between the front engine and its support systems. It helps in maintaining the precise alignment of engine components, which is crucial for the efficient transfer of power and reduction of vibrations. This alignment is key to the smooth operation of the engine, contributing to its overall performance and durability.

Conclusion

In summary, the 4945340 Plain Washer, though a small component, plays a substantial role in the functionality and reliability of engine systems. Its application in the front engine support and general engine support highlights its importance in ensuring the smooth operation and longevity of engine components.


  1. Vaclav Smil, The History and Impact of Diesel Engines and Gas Turbines, The MIT Press, 2010.

  2. Sean Bennett, Modern Diesel Technology: Light Duty Diesels, Cengage Learning, 2012.

  3. P. A. Lakshminarayanan and Avinash Kumar, Design and Development of Heavy Duty Diesel Engines: A Handbook, Springer Nature, 2020.

SPECIFICATIONS

Package Dimensions
1.375 x 1.375 x 0.25 in
Weight
0.05 lb
* 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.