3349131
Sealing Washer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$78.95 $93.95

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 Cummins 3349131 Sealing Washer is a component designed to ensure the integrity of fluid systems within commercial trucks. Its purpose is to prevent leaks and maintain system pressure by creating a tight seal between mating surfaces. This part plays a role in the reliable operation of various truck systems, contributing to overall vehicle performance and efficiency 1.

Basic Concepts of Sealing Washers

Sealing washers are mechanical components used to create a seal between two or more parts. They function by filling the gap between surfaces, preventing the escape of fluids or gases. In mechanical systems, sealing washers are vital for maintaining system efficiency, preventing contamination, and ensuring the longevity of components by reducing wear and tear caused by leaks 2.

Purpose of the 3349131 Sealing Washer

The Cummins 3349131 Sealing Washer is specifically designed to play a role in the fluid systems of commercial trucks. It ensures that fluids, such as coolant or lubricants, remain within the system by sealing connections and preventing leaks. This part is integral to maintaining system pressure and efficiency, directly impacting the performance and reliability of the truck’s engine and other systems 3.

Key Features

The Cummins 3349131 Sealing Washer is characterized by its material composition, typically made from durable materials resistant to corrosion and high temperatures. Its design attributes include a precise fit for specific applications, ensuring a secure seal. Unique characteristics may include enhanced flexibility for better adaptation to surface irregularities and resistance to chemical degradation, which enhances its performance in demanding environments.

Benefits

Utilizing the Cummins 3349131 Sealing Washer offers several advantages. It contributes to improved system efficiency by ensuring that fluids are contained within the system, reducing the need for frequent refills. Its durability and reliability help in minimizing maintenance requirements and extending the lifespan of the truck’s fluid systems. Moreover, by preventing leaks, it aids in maintaining optimal system performance and protecting other components from damage due to fluid contamination.

Installation and Usage

Proper installation of the Cummins 3349131 Sealing Washer is crucial for ensuring optimal performance and longevity. It should be installed in accordance with the manufacturer’s guidelines, ensuring a snug fit without over-tightening, which could damage the washer or the surfaces it seals. Regular checks during maintenance intervals can help identify any signs of wear or damage, ensuring the washer continues to perform its function effectively.

Troubleshooting and Maintenance

Common issues with the Cummins 3349131 Sealing Washer may include wear, damage, or failure to create a proper seal, leading to leaks. Maintenance tips to prolong its lifespan include regular inspection for signs of wear, ensuring proper installation, and replacing the washer as part of routine maintenance or when signs of failure are detected. For replacement or repair, following the manufacturer’s recommendations ensures the washer continues to function as intended.

Compatibility and Application

The Cummins 3349131 Sealing Washer is designed for use in specific applications within commercial trucks. Its compatibility with various systems ensures it can be effectively utilized across a range of truck models and configurations, contributing to the reliability and efficiency of these vehicles.

Manufacturer Overview - Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. 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 commercial vehicle manufacturers and operators worldwide.

Cummins Sealing Washer Part 3349131 in Engine Applications

The Cummins Sealing Washer part number 3349131 is a critical component in various engine configurations. This part is designed to provide a reliable seal in high-pressure environments, ensuring that the engine operates efficiently and safely. Below are the engines where this sealing washer is utilized:

K19 Engine Series

The K19 engine series is known for its robust design and high performance, often used in heavy-duty applications. The sealing washer part 3349131 is integral to maintaining the integrity of the engine’s sealing systems. It is typically used in areas where there is a need to prevent leaks and maintain pressure, such as in the fuel injection system or other critical junctures.

Grouping of Engines

In the K19 engine series, the sealing washer part 3349131 is commonly found in the following applications:

  • Fuel Injection System: Ensuring that fuel does not leak from the injection points, which is crucial for maintaining the engine’s efficiency and preventing fuel wastage.
  • Turbocharger Seals: In turbocharged engines, this washer helps to maintain the seal between the turbocharger and the engine, preventing air leaks that could reduce performance and efficiency.
  • Oil System Seals: It is also used in various parts of the engine’s oil system to prevent oil leaks, which is essential for maintaining proper lubrication and preventing engine damage.

The consistent use of the sealing washer part 3349131 across these applications highlights its importance in ensuring the longevity and reliability of the K19 engine series.

Role of Part 3349131 Sealing Washer in Engine Systems

The part 3349131 Sealing Washer is an essential component in maintaining the integrity and efficiency of various engine systems. Its primary function is to ensure a tight seal between moving and stationary parts, preventing leaks and maintaining pressure within the system.

Integration with the Pump

In pump systems, the Sealing Washer is positioned between the pump housing and the impeller or between the pump shaft and the housing. This placement is vital for preventing water or other fluids from leaking out of the pump, which could lead to a loss of pressure and reduced efficiency. The washer also helps in minimizing friction between the moving parts, thereby enhancing the longevity and performance of the pump.

Application in Raw Water Systems

For raw water systems, the Sealing Washer is often used in conjunction with valves, fittings, and pipe connections. Its role here is to create a watertight seal, ensuring that raw water does not escape from the system. This is particularly important in marine engines where raw water is used for cooling. A reliable seal prevents contamination of the engine components with raw water, which could lead to corrosion and other forms of damage.

Additional Uses

Beyond pumps and raw water systems, the Sealing Washer can be found in various other engine components where fluid dynamics and pressure maintenance are essential. These include fuel injectors, carburetors, and hydraulic systems. In each of these applications, the washer’s ability to form a secure seal contributes to the overall efficiency and reliability of the engine system.

Conclusion

The Cummins 3349131 Sealing Washer is a vital component in the maintenance and operation of commercial truck engines and systems. Its role in preventing leaks, maintaining system pressure, and ensuring the efficient operation of various engine components underscores its importance in the automotive industry. Proper installation, regular maintenance, and understanding its applications are key to maximizing the benefits of this part.


  1. Pulkrabek, W. W. (2014). Engineering Fundamentals of the Internal Combustion Engine. Pearson Education.

  2. Kasab, J., & Strzelec, A. (2020). Automotive Emissions Regulations and Exhaust Aftertreatment Systems. SAE International.

  3. Calder, N. (2007). Diesel Engine Care and Repair. The McGraw-Hill Companies.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
10.0 x 10.0 x 0.001 in
Weight
0.018 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.