4010803
Sealing Washer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$4.89 $5.82

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 4010803 Sealing Washer is a component designed for use in heavy-duty truck applications. It plays a role in maintaining system integrity by ensuring proper sealing in various engine and vehicle systems. This sealing washer is integral to the efficient operation of heavy-duty trucks, contributing to the overall performance and reliability of the vehicle.

Basic Concepts of Sealing Washers

Sealing washers are mechanical components used to create a seal between two surfaces, preventing the leakage of fluids or gases. They function by filling the gap between mating surfaces, providing a barrier that maintains system pressure and prevents contamination. Sealing washers find applications in a wide range of mechanical systems, including engines, hydraulic systems, and fuel systems. The materials used in manufacturing sealing washers vary but commonly include rubber, silicone, and metal. Each material offers distinct properties such as flexibility, resistance to chemicals, and durability, which are selected based on the specific requirements of the application 2.

Purpose of the 4010803 Sealing Washer

The Cummins 4010803 Sealing Washer is specifically designed to play a role in the operation of heavy-duty trucks. It is associated with various systems and components within the engine and vehicle, contributing to their efficient functioning by ensuring proper sealing. This sealing washer helps maintain system pressure, prevent leaks, and protect sensitive components from contamination, thereby supporting the overall performance and longevity of the truck 3.

Key Features

The Cummins 4010803 Sealing Washer is characterized by its design and material composition, which are tailored to meet the demanding conditions of heavy-duty truck applications. It is made from materials that offer excellent resistance to wear, chemicals, and high temperatures, ensuring durability and reliable performance. The design of the washer may include features such as a specific thickness or shape to accommodate the unique requirements of its application, enhancing its effectiveness in sealing and protecting critical systems 4.

Benefits

Utilizing the Cummins 4010803 Sealing Washer offers several advantages, including improved system reliability and enhanced performance. By ensuring proper sealing, this component helps maintain system pressure and prevent leaks, which can lead to reduced maintenance needs and potential cost savings over time. Its durable construction and reliable performance contribute to the overall efficiency and longevity of heavy-duty trucks 1.

Installation and Usage

Proper installation of the Cummins 4010803 Sealing Washer is crucial for ensuring optimal performance. This process may involve preparatory steps such as cleaning the mating surfaces and inspecting the washer for any defects. The tools required for installation will depend on the specific application but may include basic hand tools. Following best practices during installation, such as avoiding over-tightening and ensuring the washer is correctly positioned, will help achieve the desired sealing effect and protect the system from leaks and contamination 2.

Troubleshooting and Maintenance

Common issues associated with sealing washers include leaks, wear, and damage due to exposure to harsh conditions. Identifying these issues early can prevent more significant problems and ensure continued system efficiency. Routine maintenance practices for the Cummins 4010803 Sealing Washer may include regular inspection for signs of wear or damage, cleaning the mating surfaces, and replacing the washer as needed. Adhering to these practices will help prolong the lifespan of the sealing washer and maintain the integrity of the system it protects 3.

Compatibility and Application

The Cummins 4010803 Sealing Washer is designed for use within Cummins engines and other heavy-duty truck systems. Its compatibility with various models underscores the importance of using the correct part for specific applications to ensure optimal performance and reliability. Selecting the appropriate sealing washer for your heavy-duty truck application is crucial for maintaining system efficiency and protecting critical components from damage 4.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a history of innovation and a commitment to quality, Cummins has established a reputation for excellence in the heavy-duty truck and engine industry. The company’s dedication to customer satisfaction is evident in its comprehensive product range and support services, making Cummins a trusted partner for heavy-duty truck operators and manufacturers alike.

Cummins Sealing Washer Part 4010803 Compatibility with Engine Models

The Cummins Sealing Washer part number 4010803 is designed to fit seamlessly with several engine models, ensuring optimal performance and reliability. This part is integral to the maintenance and operation of the engines, providing essential sealing functions.

QSV81G and QSV91G Engines

The Sealing Washer 4010803 is compatible with both the QSV81G and QSV91G engines. These engines are part of Cummins’ QSV series, known for their robust design and efficiency. The washer ensures that the sealing integrity is maintained, preventing leaks and ensuring the engine operates at peak performance.

QSW/QSV82 Engines

The part also fits the QSW/QSV82 engines. This engine model is part of the QSW series, which is designed for heavy-duty applications. The Sealing Washer 4010803 is crucial in these engines, providing the necessary sealing to withstand the high pressures and demanding conditions of heavy-duty operations.

QSW73 Engine

Lastly, the Sealing Washer 4010803 is also compatible with the QSW73 engine. This engine is part of the QSW series, which is engineered for durability and efficiency in various applications. The washer ensures that the engine’s sealing is maintained, contributing to the longevity and reliability of the engine.

By ensuring that the Sealing Washer 4010803 is correctly installed in these engines, users can maintain the integrity of the engine’s sealing, which is critical for performance and longevity.

Role of Part 4010803 Sealing Washer in Engine Systems

The part 4010803 Sealing Washer is integral to the efficient operation of various engine components. In the cooler system, this sealing washer ensures that the coolant remains contained within the system, preventing leaks that could lead to overheating and subsequent engine damage.

Within the engine oil system, the sealing washer plays a key role in maintaining the integrity of the oil passages. It ensures that oil flows smoothly to lubricate moving parts, reducing friction and wear.

In the oil assembly cooler, the sealing washer is positioned to create a tight seal between the cooler and the surrounding components. This prevents oil from mixing with other fluids and ensures that the oil remains at an optimal temperature for efficient engine performance.

The oil cooler seal kit often includes the 4010803 Sealing Washer to enhance the sealing capabilities of the oil cooler. This is essential for maintaining the pressure within the oil cooling system, which is vital for the efficient transfer of heat away from the engine oil.

Lastly, in the thermostat equipment housing, the sealing washer ensures that the thermostat housing remains sealed. This is important for maintaining the correct temperature of the engine coolant, which in turn helps in achieving the optimal operating temperature of the engine.

Overall, the 4010803 Sealing Washer is a small yet significant component that contributes to the reliable and efficient operation of these engine systems.

Conclusion

The Cummins 4010803 Sealing Washer is a critical component in the maintenance and operation of heavy-duty truck engines. Its role in ensuring proper sealing across various engine systems contributes to the overall performance, reliability, and longevity of the vehicle. Proper installation, maintenance, and selection of the correct part for specific applications are essential for maximizing the benefits of this sealing washer.


  1. Cummins Inc. (n.d.). Fault Code Troubleshooting Manual. Bulletin Number 5659655.

  2. Denton, T., & Pells, H. (2022). Automotive Technician Training, Second Edition. Routledge.

  3. Dixon, J. (2010). Modern Diesel Technology Preventive Maintenance and Inspection. Delmar Cengage Learning.

  4. Sheng, G. (2012). Vehicle Noise, Vibration and Sound Quality. SAE International.

SPECIFICATIONS

Package Dimensions
2.4 x 2.4 x 0.1 in
Weight
0.004 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.