3336857
Sealing Washer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$42.95 $51.11

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 3336857 Sealing Washer is a component designed to ensure the proper functioning of commercial trucks. Its role is to maintain the integrity of fluid and pressure systems within the truck, contributing to the overall efficiency and reliability of the vehicle.

Basic Concepts of Sealing Washers

Sealing washers are mechanical components used to prevent leaks in fluid and pressure systems. They function by creating a tight seal between two surfaces, ensuring that fluids and pressures are contained within the system. In the context of trucks, sealing washers play a vital role in maintaining the performance and safety of various systems by preventing leaks and ensuring consistent pressure levels 1.

Purpose of the 3336857 Sealing Washer

The Cummins 3336857 Sealing Washer is specifically designed to address the sealing needs within commercial truck systems. It is applied in various components such as the engine, transmission, and hydraulic systems. By providing a reliable seal, it helps maintain the efficiency and performance of these systems, ensuring that fluids and pressures are properly managed.

Key Features

The Cummins 3336857 Sealing Washer is characterized by its material composition and design specifications. It is made from high-quality materials that offer durability and resistance to wear and tear. The design of the washer ensures a precise fit and effective sealing, enhancing its performance in demanding truck environments 2.

Benefits of Using the 3336857 Sealing Washer

Utilizing the Cummins 3336857 Sealing Washer offers several advantages. It contributes to improved system efficiency by ensuring that fluids and pressures are contained within the system. Additionally, its durable construction promotes longevity, reducing the need for frequent replacements. The reliable performance of this sealing washer enhances the overall reliability of truck operations 3.

Installation Considerations

Proper installation of the Cummins 3336857 Sealing Washer is crucial for optimal performance. Guidelines recommend ensuring a clean and undamaged surface before installation to achieve a proper seal. Following manufacturer specifications for torque and alignment during installation helps maintain the integrity of the seal and ensures consistent performance 4.

Troubleshooting Common Issues

Common problems associated with sealing washers include leaks and reduced system efficiency. Troubleshooting methods involve inspecting the washer for signs of wear or damage, ensuring proper alignment and torque during installation, and addressing any underlying issues within the system that may affect the performance of the sealing washer.

Maintenance Tips

Regular maintenance practices can prolong the life of the Cummins 3336857 Sealing Washer and ensure consistent performance. Recommendations include periodic inspection for signs of wear, cleaning the washer and surrounding components to prevent contamination, and replacing the washer as needed to maintain system integrity.

Role in Truck Systems

The Cummins 3336857 Sealing Washer integrates within various truck systems, including the engine, transmission, and hydraulic systems. Its role in these systems is to maintain the integrity of fluid and pressure levels, contributing to the overall performance and efficiency of the truck. By ensuring reliable sealing, it plays a part in the smooth operation of these critical systems.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins offers a wide range of products designed to meet the needs of various industries, including commercial trucking. The company’s focus on quality and performance is evident in its product lineup, including the Cummins 3336857 Sealing Washer.

Cummins Sealing Washer 3336857 Compatibility with Engine Models

The Cummins Sealing Washer part number 3336857 is designed to fit seamlessly within a variety of engine models, ensuring optimal performance and reliability. This part is engineered to meet the stringent standards set by Cummins, providing a critical function in the engine’s operation.

QSV81G, QSV91G, and QSW/QSV82

The Sealing Washer 3336857 is compatible with the QSV81G, QSV91G, and QSW/QSV82 engines. These engines benefit from the washer’s ability to maintain a secure seal, preventing leaks and ensuring that the engine operates efficiently. The washer’s design allows it to fit snugly in the designated area, providing a reliable barrier against contaminants and pressure variations.

QSW27, QSW36, and QSW73

For the QSW27, QSW36, and QSW73 engines, the Sealing Washer 3336857 is equally important. These engines require precise sealing to maintain their operational integrity. The washer’s material and construction are specifically chosen to withstand the conditions within these engines, ensuring longevity and consistent performance.

QSZ90

The QSZ90 engine also relies on the Sealing Washer 3336857 for its sealing needs. This engine, like the others, demands a high level of reliability from its components. The washer’s design ensures that it can handle the specific pressures and conditions present in the QSZ90, contributing to the engine’s overall efficiency and durability.

QSV91-G4 CM558/CM700 V102

The QSV91-G4 CM558/CM700 V102 engine is another model that benefits from the Sealing Washer 3336857. This engine’s complex design requires a sealing solution that can adapt to various operational scenarios. The washer’s flexibility and durability make it an ideal choice for maintaining the integrity of the engine’s seals.

Role of Part 3336857 Sealing Washer in Engine Systems

The part 3336857 Sealing Washer is integral to maintaining the efficiency and reliability of various engine systems. It ensures that connections remain sealed, preventing leaks and maintaining system integrity.

Accessories and Drive Systems

In accessory and drive systems, such as the front gear train accessory drive, the Sealing Washer is used at connection points to prevent oil and other fluids from escaping. This is particularly important in systems where precise lubrication is required to reduce friction and wear.

Air and Exhaust Systems

For the air starting system and the air outlet assembly pipe, the Sealing Washer plays a role in maintaining airtight seals. This ensures that the air pressure required for starting the engine is maintained without any loss, contributing to reliable engine start-up procedures.

In the exhaust assembly manifold and the manifold air intake assembly, the Sealing Washer helps in sealing the connections to prevent exhaust gases from leaking. This not only ensures efficient engine performance but also reduces the emission of harmful gases into the environment.

Cooling and Heating Systems

Within the engine oil cooler and the engine assembly heater, the Sealing Washer is employed to ensure that coolant and heating fluids do not leak from the system. This is vital for maintaining optimal engine temperature, which is essential for engine longevity and performance.

Lubrication Systems

In the oil assembly cooler and the oil fill assembly arrangement, the Sealing Washer is critical for maintaining the integrity of the lubrication system. It ensures that oil does not leak from the system, which is essential for lubricating moving parts and reducing wear and tear.

Plumbing and Fluid Transfer

For components like the plumbing, flywheel housing, and water transfer assembly tube, the Sealing Washer is used to ensure that fluid transfer occurs without leaks. This is important for systems that rely on the consistent flow of fluids, such as coolant in the water outlet assembly tube and the water transfer connection gasket.

Turbocharger and Gear Assemblies

In the turbocharger and gear assembly housing, the Sealing Washer is used to maintain seals in high-pressure and high-temperature environments. This ensures that the turbocharger operates efficiently without any loss of boost pressure and that gear assemblies function smoothly without lubricant leakage.

Control and Sense Modules

In the control operating engine and sense module assembly, the Sealing Washer is used to ensure that electrical connections and fluid pathways remain sealed. This is important for the accurate operation of engine control systems and sensors, which rely on consistent fluid levels and pressure.

Preheater and Cylinder Block

In the preheater equipped housing and the cylinder assembly block, the Sealing Washer ensures that preheating fluids and engine oils are contained within the system. This is essential for the effective preheating of engine components and the lubrication of the cylinder block, contributing to smoother engine operation and reduced start-up wear.

Conclusion

The Cummins 3336857 Sealing Washer is a critical component in maintaining the efficiency and reliability of commercial truck systems. Its role in preventing leaks and maintaining system integrity is essential for the smooth operation of various engine systems. Proper installation, regular maintenance, and understanding its compatibility with different engine models are key to maximizing the benefits of this part.


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

  2. Reif, K. (2014). Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg.

  3. Singh, D. K. (2024). Dictionary of Mechanical Engineering. Springer Nature.

  4. Wang, Y. (2007). Introduction to Engine Valvetrains. SAE International.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Notes
Not shown
Package Dimensions
2.5 x 2.5 x 0.2 in
Weight
0.002 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.