3336400
Sealing Washer
Cummins®

AVAILABLE

Cummins®

3 are currently available

Ships within 2-4 business days

$13.95 $16.60

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 3336400 Sealing Washer is a component designed to ensure the integrity of connections and joints in commercial trucks. Its role is significant in maintaining the efficiency and reliability of truck operations. This part is part of Cummins Inc.’s extensive range of parts that contribute to the performance and durability of commercial vehicles.

Basic Concepts of Sealing Washers

Sealing washers are mechanical components used to create a seal between two surfaces. They play a role in preventing leaks and ensuring the integrity of connections in various systems. By filling the gaps between mating surfaces, sealing washers help maintain pressure and prevent the escape of fluids or gases, which is vital for the proper functioning of mechanical systems 1.

Purpose of the 3336400 Sealing Washer

The 3336400 Sealing Washer is specifically designed to enhance the sealing capabilities in various truck systems and components. It is applied in systems where fluid or gas sealing is required to maintain system pressure and prevent leaks. This washer ensures that connections remain tight and secure, contributing to the overall efficiency and safety of the truck’s operation.

Key Features

The 3336400 Sealing Washer is characterized by its material composition and design. It is made from materials that offer durability and resistance to wear and corrosion. The design of the washer ensures a tight seal, even under high pressure and temperature conditions. These features contribute to its performance and longevity in demanding truck environments.

Benefits of Using the 3336400 Sealing Washer

Using the 3336400 Sealing Washer provides several advantages. It offers improved sealing efficiency, which helps in maintaining system pressure and preventing leaks. Its durability ensures longevity, reducing the need for frequent replacements. Additionally, its reliability in demanding environments makes it a valuable component for commercial truck operations.

Installation Considerations

Proper installation of the 3336400 Sealing Washer is important for ensuring optimal performance and longevity. Guidelines for installation include ensuring the surfaces are clean and free from debris, using the correct torque specifications for tightening, and verifying that the washer is correctly positioned to achieve the desired seal. Following these best practices helps in maintaining the integrity of the connection.

Troubleshooting Common Issues

Common problems associated with sealing washers can include leaks, wear, or damage. Potential causes may be improper installation, incorrect torque, or exposure to harsh conditions. Troubleshooting steps include inspecting the washer for signs of wear or damage, ensuring proper installation, and replacing the washer if necessary to address these issues effectively.

Maintenance Tips

Regular maintenance of the 3336400 Sealing Washer involves inspection routines to check for signs of wear or damage. It is important to look for cracks, deformation, or any signs that the washer may no longer provide an effective seal. Replacement might be necessary if the washer shows significant wear or if leaks are detected in the system it is part of.

Compatibility and Applications

The 3336400 Sealing Washer is typically used in various truck systems where sealing is required. It is compatible with a range of components within these systems. Understanding its applications and compatibility with other parts ensures that it is used effectively in maintaining the integrity of truck operations.

Cummins: A Brief Overview

Cummins Inc. is a leader in the commercial truck industry, known for its commitment to quality and innovation. With a history of providing reliable and high-performance parts, Cummins offers a wide range of products designed to enhance the efficiency and durability of commercial vehicles. The company’s reputation is built on its dedication to meeting the needs of its customers with products that deliver exceptional performance and reliability 2.

Cummins Engine Part 3336400: Sealing Washer Application

The Cummins part 3336400, a Sealing Washer, is a critical component in the assembly of various Cummins engines. This part is designed to ensure a secure and leak-proof seal in numerous engine applications. Below is a detailed description of how this part fits within the specified engines:

QSK45 CM500 and QSK60 CM500

The Sealing Washer 3336400 is utilized in both the QSK45 CM500 and QSK60 CM500 engines. These engines are part of Cummins’ QSK series, which are known for their reliability and efficiency in heavy-duty applications. The sealing washer is typically employed in areas where a tight seal is necessary to prevent fluid or gas leakage, ensuring optimal engine performance and longevity.

QSK60 CM850 MCRS

In the QSK60 CM850 MCRS engine, the Sealing Washer 3336400 plays a crucial role in maintaining the integrity of the engine’s sealing systems. This engine is designed for marine applications, and the sealing washer is used in various components to ensure that the engine operates efficiently under demanding conditions.

QSK60G

The QSK60G engine also incorporates the Sealing Washer 3336400. This engine is part of Cummins’ QSK series, which is widely used in various industrial and power generation applications. The sealing washer is essential in maintaining the engine’s sealing integrity, which is critical for its performance and durability.

QSV81G and QSV91G

The Sealing Washer 3336400 is also used in the QSV81G and QSV91G engines. These engines are part of Cummins’ QSV series, which is known for its versatility and efficiency in a range of applications, from marine to industrial. The sealing washer ensures that these engines maintain their sealing integrity, which is vital for their operation.

QSW/QSV82

In the QSW/QSV82 engine, the Sealing Washer 3336400 is used to ensure a secure seal in various engine components. This engine is part of Cummins’ QSW series, which is designed for marine applications. The sealing washer is crucial in maintaining the engine’s sealing systems, which is essential for its performance and reliability.

QSW27, QSW36, and QSW73

The Sealing Washer 3336400 is also used in the QSW27, QSW36, and QSW73 engines. These engines are part of Cummins’ QSW series, which is known for its durability and efficiency in marine applications. The sealing washer is essential in maintaining the engine’s sealing integrity, which is critical for its operation in demanding marine environments.

QSZ90

The QSZ90 engine also incorporates the Sealing Washer 3336400. This engine is part of Cummins’ QSZ series, which is designed for marine applications. The sealing washer is crucial in maintaining the engine’s sealing systems, which is essential for its performance and reliability in marine environments.

Role of Part 3336400 Sealing Washer in Engine Systems

The part 3336400 Sealing Washer is an essential component in maintaining the integrity and efficiency of various engine systems. Its application spans across multiple assemblies and components, ensuring that fluids, gases, and mechanical parts operate within their designed parameters.

Air Intake and Outlet Systems

In the Air Intake Assembly Manifold and Air Outlet Pipe, the sealing washer ensures that there are no leaks in the airflow path. This is vital for maintaining the correct air-fuel mixture and ensuring efficient combustion.

Fuel and Lubrication Systems

Within the Fuel Pump Assembly Cover and Full Flow Assembly Filter, the sealing washer prevents fuel leaks, which is important for safety and performance. Similarly, in the Lubricating Oil Assembly Plumbing and Lubricating Oil Mounting Filter, it ensures that oil is delivered without contamination or loss, which is essential for reducing friction and wear on moving parts.

Cooling and Heat Exchange Systems

For the Heat Assembly Exchanger and Water Assembly Manifold, the sealing washer plays a role in maintaining the integrity of the cooling system. It prevents coolant leaks, which could lead to overheating and potential engine damage.

Hydraulic and Governor Systems

In the Hydraulic Assembly Governor, the sealing washer ensures that hydraulic fluid is contained within the system, which is necessary for the precise operation of the governor mechanism.

Turbocharger and Accessory Systems

The sealing washer is also used in the Turbocharger Plumbing to maintain the integrity of the high-pressure air system. In the Front Gear Train Accessory and Gear Equipped Housing, it ensures that lubricants are effectively sealed, reducing the risk of mechanical failure.

Sensor and Monitoring Systems

In components like the Assembly Sensor Cylinder Plug and Electronic Engine Monitor, the sealing washer helps in maintaining the environmental sealing around sensitive electronic components, protecting them from contaminants and moisture.

Miscellaneous Assemblies

Components such as the Assembly Housing Gear, Cam Assy L8+V16, and Enclosure Side B Cover also benefit from the sealing washer to ensure that operational fluids and gases are contained within their respective systems, enhancing overall engine reliability and performance.

Conclusion

The Cummins 3336400 Sealing Washer is a vital component in the maintenance and operation of commercial trucks and various Cummins engines. Its role in preventing leaks, ensuring system integrity, and contributing to the overall efficiency and safety of truck operations cannot be overstated. Proper installation, regular maintenance, and understanding its applications are key to maximizing the benefits of this part.


  1. Haoran Hu, Rudy Smaling, Simon Baseley, Heavy-Duty Wheeled Vehicles, SAE International, 2014.

  2. Haoran Hu, Rudy Smaling, and Simon Baseley, Heavy-Duty Wheeled Vehicles, SAE International, 2014.

SPECIFICATIONS

Weight
0.001 lb
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Notes
Replaces item 10 during assy.
Package Dimensions
1.6 x 1.6 x 0.1 in
* 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.