3033800
Plain Washer
Cummins®

AVAILABLE

Cummins®

10 are currently available

Ships within 2-4 business days

$7.49 $8.91

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 3033800 Plain Washer is a component designed for use in commercial truck operations. It serves a specific function within the mechanical assemblies of these vehicles, contributing to the overall efficiency and reliability of truck performance. Understanding its purpose and role is fundamental for maintaining and optimizing truck operations.

Basic Concepts of Plain Washers

Plain washers are simple yet vital components in mechanical systems. They are typically flat, annular devices made from metal or other materials. Their general function is to distribute the load of a threaded fastener, such as a bolt or screw, more evenly across a surface. This helps prevent damage to the material being fastened and can also provide a degree of vibration damping. Plain washers operate by sitting between the fastener and the surface, offering a barrier that enhances the fastening process 2.

Purpose of the Cummins 3033800 Plain Washer

The Cummins 3033800 Plain Washer plays a role in the operation of commercial trucks by providing a stable and even distribution of load from fasteners within specific assemblies. It is part of a system that ensures components remain securely fastened under the demanding conditions encountered in heavy-duty truck operations. Its function within the assembly it is part of is crucial for maintaining the integrity and performance of the truck’s mechanical systems 1.

Key Features

The Cummins 3033800 Plain Washer is characterized by several key features that make it suitable for heavy-duty applications. These include its material composition, which is typically designed to withstand significant stress and corrosion, its precise dimensions that ensure a proper fit within assemblies, and its design characteristics that facilitate easy installation and reliable performance. These features collectively contribute to its effectiveness in commercial truck operations.

Benefits of Using Plain Washers

Incorporating plain washers into truck assemblies offers several advantages. They help in distributing loads more evenly, which can prevent damage to the materials being fastened. Plain washers also play a role in damping vibrations, which can reduce the wear and tear on both the fasteners and the surfaces they are attached to. Additionally, they can prevent galling, a form of wear caused by friction between metal surfaces, thereby extending the lifespan of both the washers and the components they are used with 2.

Installation Considerations

Proper installation of the Cummins 3033800 Plain Washer is important for ensuring optimal performance and longevity. Guidelines for installation include adhering to specified torque values for fasteners to avoid over-tightening or under-tightening, which can lead to component failure. Best practices also involve ensuring the washer is correctly aligned and seated to facilitate even load distribution and effective vibration damping.

Troubleshooting Common Issues

Common problems associated with plain washers include wear and tear from prolonged use or improper fit due to manufacturing variances or incorrect selection. Troubleshooting steps may involve inspecting the washer for signs of damage or deformation, ensuring it is the correct size and material for the application, and replacing it if necessary to maintain the integrity of the assembly.

Maintenance Tips

Regular maintenance of plain washers is important for ensuring continued reliable operation. This includes periodic inspection for signs of wear, corrosion, or damage. Replacement guidelines suggest that washers should be inspected at regular intervals and replaced if they show signs of significant wear or if they have been in service for an extended period. This proactive approach helps in preventing unexpected failures and maintaining the efficiency of truck operations.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, emissions solutions, and related technologies. With a history spanning over a century, Cummins is committed to quality and innovation in the automotive industry. Its product range is designed to meet the demanding requirements of commercial and industrial applications, ensuring reliability and performance across various sectors.

Cummins Part 3033800: Plain Washer in Engine Applications

The Cummins part 3033800, a Plain Washer, is a critical component used across a variety of Cummins engine models. This washer is designed to provide a smooth and even surface for bolting and fastening, ensuring that connections are secure and leak-proof. Below is a detailed overview of how this part fits into various Cummins engine applications.

ISX Series Engines

The Plain Washer 3033800 is utilized in the ISX series engines, which include:

  • ISX CM570
  • ISX CM870

These engines are known for their robust performance and reliability, often used in heavy-duty applications such as trucking and construction. The washer ensures that the bolts and nuts maintain proper tension and alignment, contributing to the engine’s overall durability.

K Series Engines

In the K series engines, the Plain Washer 3033800 is integral to the following models:

  • K19
  • K38
  • K50

These engines are typically found in agricultural and industrial machinery. The washer’s role here is to maintain the integrity of the bolted connections, which is crucial for the smooth operation of these engines.

KTA Series Engines

The KTA series engines also benefit from the use of the Plain Washer 3033800 in the following configurations:

  • KTA19GC CM558
  • KTA38GC CM558

These engines are often used in marine and power generation applications. The washer ensures that the bolted joints remain tight and secure, which is essential for the longevity and efficiency of these engines.

M and N Series Mechanical Engines

The Plain Washer 3033800 is also used in the following mechanical engines:

  • M11 MECHANICAL
  • N14 MECHANICAL

These engines are typically found in heavy-duty trucks and industrial applications. The washer helps maintain the structural integrity of the bolted connections, ensuring that the engine operates smoothly and efficiently.

NH/NT Series Engines

The Plain Washer 3033800 is used in the following NH/NT series engines:

  • NH/NT 855

These engines are often used in agricultural and construction equipment. The washer ensures that the bolted connections are secure, which is crucial for the engine’s performance in demanding environments.

QSK Series Engines

The Plain Washer 3033800 is used in a variety of QSK series engines, including:

  • QSK19 CM2350 K114
  • QSK19 CM500
  • QSK19 CM850 MCRS
  • QSK38 CM2150 MCRS
  • QSK38 CM850 MCRS
  • QSK45 CM500
  • QSK50 CM2150 K107
  • QSK50 CM2150 MCRS
  • QSK50 CM2350 K108
  • QSK60 CM500
  • QSK60 CM850 MCRS
  • QSK60 G CM2358 K110
  • QSK60G
  • QSK78 CM500

These engines are used in a wide range of applications, from marine to power generation. The washer ensures that the bolted connections are secure and leak-proof, contributing to the engine’s reliability and performance.

By ensuring proper tension and alignment in bolted connections, the Plain Washer 3033800 plays a crucial role in the functionality and longevity of these Cummins engines.

Role of Part 3033800 Plain Washer in Engine Systems

In the intricate assembly of engine systems, the Part 3033800 Plain Washer serves as a fundamental component that ensures the smooth operation and longevity of various engine parts. This unassuming yet vital washer is integrated into numerous components to facilitate their function and protect them from wear and tear.

Air Starter Accessories

Within the air starter accessories, the Plain Washer is employed to maintain the alignment and reduce friction between moving parts. This ensures efficient air flow and consistent performance of the starter.

Alternator and Related Components

The alternator, alternator guard, alternator guard arrangement, and alternator guard mounting all benefit from the Plain Washer’s ability to provide a smooth surface for rotation and movement. This reduces wear on the alternator components, enhancing their durability and efficiency.

Belt and Damper Guards

In the belt guard and belt guard bracket mounting, as well as the damper guard, the Plain Washer helps in maintaining the tension and alignment of belts. This is essential for the proper transfer of power and the smooth operation of the engine.

Enclosure and Isolator Systems

The enclosure isolator and enclosure mounting bracket utilize the Plain Washer to ensure that vibrations are effectively managed. This protects sensitive components within the enclosure, such as the engine control module and instrument panel, from excessive vibration.

Front Engine Guard and Fuel Control Module

In the front engine guard and fuel control module, the Plain Washer plays a role in securing components in place while allowing for necessary movement. This balance is key to the operational integrity of these parts.

Instrument Panel and Enclosure

The instrument panel, instrument panel enclosure, and instruction panel mounting all incorporate the Plain Washer to ensure that these components are securely mounted yet able to withstand the dynamic environment of an engine compartment.

Service Kit and Starting Motor

Within the service kit and starting motor, the Plain Washer is used to facilitate easy replacement and maintenance of parts. It ensures that new components can be installed with minimal friction and maximum efficiency.

Water Pump Drive and Wiring Harness

Finally, in the water pump drive and wiring harness, the Plain Washer helps in maintaining the structural integrity and operational efficiency of these components. It ensures that water flow and electrical connections remain stable and reliable.

Overall, the Part 3033800 Plain Washer is a small yet significant component that contributes to the reliable operation and maintenance of various engine systems. Its role in reducing friction, aligning components, and managing vibrations is indispensable in the complex environment of engine mechanics.

Conclusion

The Cummins 3033800 Plain Washer is a critical component in the maintenance and operation of commercial trucks and various Cummins engine models. Its role in distributing load, reducing friction, and managing vibrations ensures the reliability and efficiency of truck and engine systems. Proper installation, regular maintenance, and timely replacement of this part are essential for the continued performance and longevity of these mechanical assemblies.


  1. Klyde, Michael, and Kirk VanGelder. Advanced Automotive Electricity and Electronics. Jones Bartlett Learning, 2010.

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

SPECIFICATIONS

Service Part Topic
01T15-1
Comments
3/8 Inch.
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.5 x 1.5 x 0.13 in
Weight
0.03 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.