3920904
Sealing Washer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$11.95 $14.22

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 3920904 Sealing Washer is a component manufactured by Cummins, a prominent entity in the commercial truck industry. This washer is crucial for the operation of commercial trucks, ensuring the efficiency and reliability of various truck systems by preventing leaks and maintaining system integrity.

Basic Concepts of Sealing Washers

Sealing washers are mechanical components designed to create a seal between two surfaces, preventing the leakage of fluids or gases. They operate by fitting into grooves or between surfaces, providing a barrier that maintains the pressure and integrity of the system. In mechanical systems, sealing washers play a role in ensuring that fluids and gases remain contained within their designated pathways, which is vital for the proper functioning of the system 1.

Purpose of the 3920904 Sealing Washer

This Cummins part is specifically designed for use in commercial trucks. It plays a role in various truck systems by ensuring that connections remain sealed, which is important for maintaining the performance and longevity of the truck. Its application spans across different systems where fluid or gas sealing is required, contributing to the overall efficiency of the truck.

Key Features

The 3920904 is characterized by its material composition, which is selected for durability and resistance to the fluids and pressures it encounters. Its design attributes include precise dimensions and a shape that ensures a snug fit in its designated groove or between surfaces. These features contribute to its ability to perform effectively in demanding environments.

Benefits of Using the 3920904 Sealing Washer

Incorporating this part into truck maintenance and operation offers several advantages. Its durability ensures long-term performance, reducing the frequency of replacements. The washer’s efficiency in preventing leaks contributes to the overall reliability of the truck, minimizing downtime. Additionally, its reliable performance supports the maintenance of system integrity, which is important for the safe and efficient operation of commercial trucks 2.

Installation and Usage Guidelines

Proper installation of the 3920904 involves ensuring that it is correctly positioned in its designated location, with no gaps or misalignments. Best practices for usage include regular inspection for signs of wear or damage, and replacement as needed to maintain system integrity. Integration within truck maintenance routines should include periodic checks to ensure the washer remains in good condition.

Troubleshooting Common Issues

Frequent problems associated with sealing washers can include leaks due to wear, damage, or improper installation. Diagnostic methods involve inspecting the washer for signs of deterioration and ensuring it is correctly installed. Solutions for resolving these issues may include replacement of the washer or addressing any underlying causes of wear or damage to prevent recurrence.

Maintenance Tips

To prolong the lifespan of the 3920904, regular maintenance practices are recommended. This includes routine inspections to check for wear or damage, and replacement according to manufacturer guidelines or when signs of deterioration are observed. Adhering to these maintenance tips helps ensure the washer continues to perform its role effectively.

Cummins: A Brief Overview

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 has established a strong reputation in the commercial truck industry. The company’s commitment to quality and innovation is reflected in its product range, which includes a variety of components designed to enhance the performance and reliability of commercial trucks 3.

Conclusion

The 3920904 Sealing Washer by Cummins is a vital component in the maintenance and operation of commercial trucks. Its role in preventing leaks and maintaining system integrity underscores its importance in ensuring the efficiency and reliability of truck systems. Proper installation, regular maintenance, and timely replacement are key to maximizing the benefits of this Cummins part, contributing to the overall performance and longevity of commercial trucks.


  1. Jazar, Reza N. Vehicle Dynamics: Theory and Application. Springer, 2017.

  2. Mom, Gijs. The Evolution of Automotive Engineering: A Handbook. SAE International, 2023.

  3. ElSayed, Mohamed PE. Fundamentals of Integrated Vehicle Realization. SAE International, 2017.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.0 x 1.0 x 0.125 in
Weight
0.5 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.