3393581
Plain Washer
Cummins®

The Cummins 3393581 Plain Washer is a component designed for use in commercial trucks, playing a role in the operation of these vehicles by providing support and distribution of load forces across fastening components. Cummins is known for producing reliable and high-quality parts that contribute to the efficiency and durability of commercial vehicles.

Basic Concepts of Plain Washers

Plain washers are vital components in mechanical systems, functioning by distributing the load of a fastener across a larger surface area. This helps prevent damage to the components being fastened and reduces the risk of the fastener pulling through the material. They are typically made from materials like steel, stainless steel, or brass, each offering different properties such as strength, corrosion resistance, and conductivity ¹.

Purpose of the 3393581 Plain Washer

The 3393581 Plain Washer is designed to enhance the functionality and efficiency of truck components. It distributes the load exerted by fastening components, maintaining the integrity of the fastened parts and contributing to the overall stability and durability of the truck’s mechanical systems.

Key Features

This Cummins part features a design tailored for the demanding conditions of commercial truck operations. It is composed of high-quality materials that offer durability and resistance to wear. Its specific thickness and outer diameter are optimized for its intended applications, ensuring it meets the rigorous standards required for truck components.

Benefits

Using the 3393581 Plain Washer in truck maintenance and operation offers several benefits. It aids in the even distribution of loads, which can help prevent damage to fastening components and the surfaces they are attached to. Additionally, the washer’s durable construction contributes to the longevity of the fastening system, reducing the need for frequent replacements and maintenance.

Installation Guidelines

Proper installation of the 3393581 Plain Washer is key to ensuring optimal performance and longevity. It should be placed under the head of a bolt or nut to distribute the load effectively. Ensuring correct alignment and tightening the fastening components to the manufacturer’s specified torque settings is important to avoid over-tightening or under-tightening, which could lead to component failure.

Troubleshooting and Maintenance

Common issues with plain washers include wear and deformation, which can affect their load-distributing capabilities. Regular inspection for signs of wear or damage is recommended to maintain the efficiency of the fastening system. If a washer shows signs of significant wear, it should be replaced to ensure the continued reliable operation of the truck’s components.

Cummins: Manufacturer Overview

Cummins is a reputable manufacturer with a long-standing history in the automotive industry, recognized for its commitment to quality and innovation in the production of automotive components. The company’s reputation is built on delivering reliable parts that meet the high demands of commercial vehicle operations, ensuring that their products contribute to the efficiency, durability, and safety of the vehicles they are installed in.

Cummins Engine Part 3393581: Plain Washer Application

The Cummins part number 3393581, a Plain Washer, is a component in the assembly of various Cummins diesel engines. This part provides a smooth and secure interface between engine components, ensuring proper alignment and preventing unwanted movement or vibration. The Plain Washer is integral to the functionality and longevity of the engines it is used in.

Application in Cummins Engines

QSK45 CM500 and QSK60 CM500

The Plain Washer 3393581 is utilized in the QSK45 CM500 and QSK60 CM500 engines. These engines are part of the Cummins QSK series, known for their robust performance and reliability in heavy-duty applications. The washer ensures that the engine components remain properly aligned, contributing to the overall efficiency and durability of the engine.

QSK60 CM850 MCRS and QSK60G

In the QSK60 CM850 MCRS and QSK60G engines, the Plain Washer 3393581 plays a role in maintaining the integrity of the engine’s internal components. These engines are designed for high-performance applications, and the washer’s precision fit helps in achieving the necessary tolerances for optimal engine operation.

QSK78 CM500 and QSK95 CM2350 K111/K113

The QSK78 CM500 and QSK95 CM2350 K111/K113 engines also incorporate the Plain Washer 3393581. These engines are part of Cummins’ lineup of high-output diesel engines, often used in demanding industrial and marine applications. The washer’s role in these engines is to ensure that the components are held in place, reducing the risk of wear and tear and enhancing the engine’s operational lifespan.

Importance of the Plain Washer

The Plain Washer 3393581 is a fundamental part in the assembly of these Cummins engines. Its primary function is to provide a flat surface that ensures proper alignment and sealing between components. This simple yet essential part helps in maintaining the engine’s structural integrity and operational efficiency. Proper installation and maintenance of the Plain Washer are crucial for the longevity and performance of the engine.

Role of Part 3393581 Plain Washer in Engine Systems

In engine systems, the 3393581 Plain Washer is utilized to ensure the proper functioning and longevity of various components. Its application spans across different subsystems, including the filter, full flow oil, lubricating oil, hydraulic kit, lubricating oil filter, lubricating oil filter head, and lubricating oil filter kit.

Filter Systems

Within filter systems, the Plain Washer is often employed to maintain the integrity of connections between filter elements and housings. It helps in creating a seal that prevents leaks and ensures that the filtration process is efficient. This is particularly important in full flow oil filters where the continuous flow of oil must be maintained without any bypass due to leaks.

Lubricating Oil Systems

In lubricating oil systems, the Plain Washer plays a supportive role in the assembly of the lubricating oil filter and its head. It ensures that the connection between the filter media and the housing is secure, which is essential for the effective filtration of contaminants from the oil. A secure seal here is vital for maintaining the quality of the lubricating oil, which in turn protects the engine components from wear and tear.

Hydraulic Kits

When incorporated into hydraulic kits, the Plain Washer assists in the sealing of hydraulic lines and components. This is important for maintaining the pressure integrity within the hydraulic system, ensuring that the hydraulic fluid flows correctly and that the system operates smoothly without any loss of pressure due to leaks.

Lubricating Oil Filter Kits

In lubricating oil filter kits, the Plain Washer is used to ensure that all connections within the kit are sealed properly. This includes the connections between the filter, the filter head, and the housing. Proper sealing is essential for the effective operation of the filter kit, ensuring that the lubricating oil is clean and free from contaminants that could otherwise cause damage to the engine components.

Conclusion

The 3393581 Plain Washer by Cummins is a critical component in the maintenance and operation of commercial trucks and Cummins diesel engines. Its role in distributing load forces, ensuring proper alignment, and sealing connections across various subsystems highlights its importance in the efficiency, durability, and safety of these vehicles and engines. Proper installation, maintenance, and timely replacement of this part are essential for the optimal performance and longevity of the systems it supports.