3684284
Sealing Washer
Cummins®

Introduction

The Sealing Washer 3684284 is a critical component designed to maintain the integrity of fluid systems in commercial trucks. Manufactured by Cummins, a renowned leader in diesel engines and related technologies, this part is essential for preventing leaks and ensuring the proper function of truck systems. Its role in maintaining efficiency and reliability in truck operations cannot be overstated.

Basic Concepts of Sealing Washers

Sealing washers are mechanical components used to create a seal between two surfaces, typically in fluid systems. Their primary function is to prevent leaks by filling the gap between mating surfaces, ensuring that fluids or gases remain contained within the system. These washers operate under compression, creating a tight seal that can withstand pressure and prevent fluid escape ¹.

Role of Sealing Washer 3684284 in Truck Operation

The Sealing Washer 3684284 is specifically designed for use in commercial trucks, where it plays a vital role in maintaining the integrity of fluid systems. It is typically placed in areas where fluid lines connect or where components interface, ensuring that fluids such as engine oil, coolant, or hydraulic fluid do not leak. Its interaction with other components is crucial for maintaining system pressure and efficiency, directly impacting the overall performance of the truck ².

Key Features

The Sealing Washer 3684284 is characterized by its material composition and design specifications. It is made from high-quality materials that offer resistance to wear, corrosion, and high temperatures, ensuring durability in demanding environments. The design of the washer is tailored to fit specific applications, providing a precise seal that enhances system performance and longevity ³.

Benefits

Utilizing the Sealing Washer 3684284 offers several advantages. It contributes to improved system efficiency by ensuring that fluids remain within the system, reducing the risk of leaks that can lead to system failure. The washer’s durability and reliability are particularly beneficial in the demanding conditions of commercial truck operations, where system integrity is paramount.

Troubleshooting and Maintenance

Common issues with sealing washers include wear, deformation, or failure due to exposure to extreme conditions. Diagnosing problems with sealing washers involves checking for signs of leaks, examining the washer for physical damage, and ensuring proper installation. Regular maintenance practices, such as inspecting and replacing washers as needed, are crucial for ensuring optimal performance and longevity of the Sealing Washer 3684284.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established itself as a trusted name in the automotive industry, known for its commitment to quality, innovation, and customer satisfaction. The company’s expertise in engine and component manufacturing is reflected in its wide range of products, including the Sealing Washer 3684284, designed to meet the rigorous demands of commercial truck operations.

Cummins Sealing Washer 3684284 Compatibility

The Cummins Sealing Washer part number 3684284 is a versatile component designed to fit a variety of Cummins engines. This sealing washer is engineered to provide a reliable seal in various applications, ensuring optimal performance and longevity of the engine.

ISC Series Engines

The ISC series engines, including the ISC CM2150, ISC8.3 CM2250, and ISL CM2150, benefit from the use of the 3684284 sealing washer. This part is particularly useful in maintaining the integrity of seals in these engines, which are known for their robust performance in heavy-duty applications.

ISF and ISL9 Series Engines

For the ISF2.8 CM2220 F129 and ISL9 CM2150 SN engines, the 3684284 sealing washer is essential in ensuring that the engine’s sealing components remain effective. This part is critical in preventing leaks and maintaining the pressure required for efficient engine operation.

ISX Series Engines

The ISX series engines, such as the ISX CM871, ISX12 CM2350 X102, ISX12 G CM2180 EJ, ISX12/ISX11.9 CM2250, ISX15 CM2250, and ISX15 CM2350 X101, are designed for high-performance applications. The 3684284 sealing washer is integral to these engines, providing a dependable seal that helps maintain the engine’s efficiency and reliability.

ISZ Series Engines

The ISZ13 CM2150 Z105 engine also utilizes the 3684284 sealing washer. This part is crucial in ensuring that the engine’s seals are intact, which is vital for maintaining the engine’s performance and longevity.

QSB and QSC Series Engines

The QSB6.7 CM2250 and QSB6.7 CM2350 B105 engines, along with the QSC8.3 CM850 (CM2850), benefit from the use of the 3684284 sealing washer. This part is essential in maintaining the seals in these engines, which are known for their durability and efficiency.

QSL Series Engines

The QSL9 CM2250, QSL9 CM2250/QSL9 CM2250, and QSL9 CM2350 L102 engines also require the 3684284 sealing washer. This part is critical in ensuring that the engine’s seals are effective, which is vital for maintaining the engine’s performance and reliability.

QSX Series Engines

The QSX11.9 CM2250 ECF, QSX15 CM2250, QSX15 CM2250 ECF, and QSX15 CM2350 X105 engines are designed for high-performance applications. The 3684284 sealing washer is integral to these engines, providing a dependable seal that helps maintain the engine’s efficiency and reliability.

Role of Part 3684284 Sealing Washer in Engine Systems

Part 3684284 Sealing Washer is integral to ensuring the efficient operation and longevity of various engine components. Its application spans across multiple systems, providing essential sealing functions that prevent leaks and maintain system integrity.

Actuator Mounting Kit

In the actuator mounting kit, the sealing washer is used to secure the actuator to the engine block or other mounting surfaces. This ensures a tight seal, preventing any fluid or gas leakage that could affect the actuator’s performance.

Air Compressor and Compressor Coolant Plumbing

For the air compressor and its associated coolant plumbing, the sealing washer plays a vital role in maintaining the pressure integrity of the system. It seals connections between the compressor and the plumbing, ensuring that compressed air and coolant are delivered efficiently without any loss.

EGR Cooler Kit and Exhaust Recirculation Cooler Kit

In both the EGR (Exhaust Gas Recirculation) cooler kit and the exhaust recirculation cooler kit, the sealing washer is employed at various connection points. This helps in maintaining the seal between the cooler and the plumbing, ensuring that exhaust gases are effectively recirculated and cooled without any leakage.

Engine Coolant Vent

The engine coolant vent system utilizes the sealing washer to ensure that the vent operates under controlled conditions. It seals the vent housing to the engine block, preventing coolant from escaping while allowing pressure to be released as needed.

Incomplete Turbocharger and Short Turbocharger Kit

Within the incomplete turbocharger and short turbocharger kit, the sealing washer is critical at the connections between the turbocharger housing and the plumbing. This ensures that the turbocharger operates under optimal conditions, with no loss of boost pressure or coolant.

Lower Engine Gasket Kit and Upper Engine Gasket Set

In both the lower engine gasket kit and the upper engine gasket set, the sealing washer complements the gaskets by providing additional sealing at critical points. This enhances the overall seal between engine components, preventing oil, coolant, or gas leaks.

Mounting Kit and Turbocharger Mounting Kit

For the mounting kit and turbocharger mounting kit, the sealing washer is used at the bolt holes and connection points. This ensures that the mounts are securely fastened to the engine, providing a stable platform for the components to operate.

Overhaul Kit and Repair Service Kit

In the overhaul kit and repair service kit, the sealing washer is a common component used to re-seal various connections and joints. This is essential for restoring the engine to its original performance standards after an overhaul or repair.

Rocker Lever

The rocker lever system employs the sealing washer at the pivot points and connections to the engine block. This ensures smooth operation and prevents any lubricant leakage that could affect the lever’s performance.

Turbocharger Actuator Kit and Turbocharger Electric Actuator Kit

In both the turbocharger actuator kit and the turbocharger electric actuator kit, the sealing washer is used to seal the actuator to the turbocharger and other mounting surfaces. This ensures precise control of the turbocharger’s operation without any fluid or gas leakage.

Turbocharger Coolant Drain Tube and Turbocharger Coolant Supply Tube

For the turbocharger coolant drain tube and turbocharger coolant supply tube, the sealing washer is crucial at the connections to the turbocharger and the engine block. This ensures that coolant flows efficiently through the system without any leaks, maintaining optimal turbocharger temperature.

Turbocharger Gasket Kit and Turbocharger Housing Kit

In the turbocharger gasket kit and turbocharger housing kit, the sealing washer is used to enhance the seal between the turbocharger housing and the engine. This prevents any boost pressure or coolant leakage, ensuring efficient turbocharger operation.

Turbocharger Housing Repair Kit

Finally, in the turbocharger housing repair kit, the sealing washer is used to re-seal any repaired connections within the turbocharger housing. This ensures that the housing operates under optimal conditions after repairs, maintaining the turbocharger’s efficiency and longevity.

Conclusion

The Sealing Washer 3684284 by Cummins is a vital component in the maintenance and operation of commercial truck engines. Its role in preventing leaks, ensuring system integrity, and enhancing engine performance makes it an indispensable part in the automotive industry. Regular maintenance and proper installation of this part are crucial for the longevity and efficiency of truck operations.