3967317
Sealing Washer
Cummins®

Introduction

The Sealing Washer 3967317 is a component manufactured by Cummins, a well-established name in the commercial truck industry. This washer is specifically designed for use in commercial trucks, where it contributes to the overall efficiency and reliability of the vehicle’s systems.

Basic Concepts of Sealing Washers

Sealing washers are components used in mechanical systems to prevent leaks and maintain system integrity. They operate by creating a tight seal between two surfaces, which helps to contain fluids or gases within a system ¹. The effectiveness of a sealing washer depends on its material, design, and the specific application it is intended for.

Role of Sealing Washer 3967317 in Truck Operation

In the context of commercial trucks, the Sealing Washer 3967317 plays a specific role in ensuring the proper operation of various systems. It is strategically placed within these systems to prevent leaks, which could lead to system failure or reduced efficiency. By maintaining a secure seal, this washer contributes to the overall performance and longevity of the truck’s components.

Key Features

The Sealing Washer 3967317 is characterized by its material composition and design, which are tailored to meet the demanding conditions of commercial truck operations. It is made from materials that offer durability and resistance to wear, ensuring that it can withstand the pressures and temperatures encountered in truck systems. Its design is also optimized for performance, featuring precise dimensions and a smooth surface to ensure a tight seal.

Benefits

The use of the Sealing Washer 3967317 in commercial trucks offers several benefits. It contributes to improved system efficiency by preventing leaks, which can lead to energy loss and reduced performance. Additionally, by maintaining system integrity, it helps to reduce maintenance needs and enhances the reliability of truck operations. This washer is a testament to Cummins’ commitment to quality and performance in the commercial truck industry.

Troubleshooting and Maintenance

Common issues with sealing washers can include wear, damage, or improper installation, which may lead to leaks or system failure. Troubleshooting these problems involves inspecting the washer for signs of damage, ensuring it is correctly installed, and replacing it if necessary. Regular maintenance practices, such as checking for wear and ensuring proper installation, can help to ensure the longevity and effectiveness of the Sealing Washer 3967317.

About Cummins

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 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 global presence make it a trusted partner for commercial truck operators around the world.

Sealing Washer Part 3967317 in Cummins Engines

The Sealing Washer part number 3967317, manufactured by Cummins, is a critical component in ensuring the integrity and performance of several Cummins engine models. This part is designed to provide a secure seal in various applications across different engine configurations.

ISB CM850 and QSB5.9 CM850

The Sealing Washer 3967317 is utilized in both the ISB CM850 and QSB5.9 CM850 engines. These engines are part of Cummins’ lineup that emphasizes reliability and efficiency. The washer’s role in these engines is to prevent leaks and maintain the necessary pressure within the system, ensuring optimal engine operation.

QSB6.7 CM850 (CM2850)

In the QSB6.7 CM850 (CM2850) engine, the Sealing Washer 3967317 is equally important. This engine is known for its robust performance and durability, often used in demanding applications. The washer ensures that the engine’s components remain sealed, which is crucial for maintaining the engine’s efficiency and longevity.

Application Across Engine Models

The use of the Sealing Washer 3967317 across the ISB CM850, QSB5.9 CM850, and QSB6.7 CM850 (CM2850) engines highlights its versatility and importance in Cummins’ engine designs. This part is engineered to fit seamlessly into the engine’s architecture, providing a reliable seal that is essential for the engine’s overall performance and durability.

Role of Part 3967317 Sealing Washer in Engine Systems

The 3967317 Sealing Washer is an essential component in ensuring the integrity and efficiency of various engine systems. Its application spans across multiple critical areas, providing necessary sealing functions that prevent leaks and maintain system pressure.

Fuel Filter Assembly Kit

In the fuel filter assembly kit, the 3967317 Sealing Washer is utilized to create a tight seal between the filter housing and the mounting surface. This ensures that fuel flows smoothly through the filter without any leakage, which is vital for maintaining fuel purity and engine performance. The washer’s precise fit and material properties are designed to withstand the pressures and temperatures within the fuel system, ensuring long-lasting reliability.

Fuel Plumbing

Within the fuel plumbing system, the 3967317 Sealing Washer is employed at connection points between fuel lines and fittings. Its role here is to prevent fuel leaks, which could lead to dangerous situations such as fires or reduced engine efficiency. The washer ensures that the connections remain secure under varying fuel pressures and temperatures, contributing to the overall safety and performance of the engine.

General Plumbing

In general plumbing applications throughout the engine, the 3967317 Sealing Washer is used to seal various fluid passages. Whether it’s coolant, oil, or other fluids, the washer ensures that these systems operate under the correct pressure and without leaks. This is particularly important in maintaining the thermal management and lubrication systems of the engine.

Upper Engine Gasket Kit

The 3967317 Sealing Washer also finds its place in the upper engine gasket kit, where it is used to seal components such as intake manifolds, throttle bodies, and other upper engine parts. By providing a reliable seal, it helps in maintaining the correct air-fuel mixture and preventing any unwanted air leaks that could affect engine performance and emissions.

Conclusion

In summary, the 3967317 Sealing Washer plays a significant role in various engine systems by ensuring secure, leak-free connections and seals. Its application across different components underscores its importance in maintaining the overall functionality and efficiency of the engine.