3420950
Cover Plate Gasket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$144.95 $172.49

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 3420950 Cover Plate Gasket is a component designed to ensure the proper sealing of various engine components in heavy-duty trucks. Its role is significant in maintaining the integrity of the engine’s systems by preventing leaks and ensuring efficient operation.

Basic Concepts of Cover Plate Gaskets

A cover plate gasket is a sealing component placed between two surfaces to prevent the escape of fluids or gases. These gaskets are crucial in maintaining the pressure and containment within engine systems. They are typically made from materials such as rubber, cork, or composite materials, chosen for their ability to withstand high temperatures, pressure, and chemical exposure 1.

Purpose of the 3420950 Cover Plate Gasket

The 3420950 Cover Plate Gasket plays a role in the operation of a truck by sealing the cover plate to the engine block or other components. This sealing action helps maintain the integrity of the engine’s systems by preventing leaks of oil, coolant, or other fluids. Its position in the engine ensures that these fluids remain contained, contributing to the overall performance and reliability of the truck 2.

Key Features

The 3420950 Cover Plate Gasket features a design that ensures a tight seal under various operating conditions. It is made from materials that offer durability and resistance to the high temperatures and pressures found in heavy-duty truck engines. Unique characteristics of this gasket include its precise fit and the use of high-quality materials that enhance its sealing efficiency and longevity 3.

Benefits

The benefits provided by the 3420950 Cover Plate Gasket include improved sealing efficiency, which helps in maintaining the engine’s performance by preventing leaks. Its durability ensures long-term reliability, reducing the need for frequent replacements. Additionally, the gasket contributes to engine reliability by ensuring that all components operate within their designed parameters.

Installation Process

Installing the 3420950 Cover Plate Gasket requires careful preparation and the use of appropriate tools. The process involves cleaning the mating surfaces to ensure a proper seal, positioning the gasket correctly, and securing the cover plate in place. Attention to detail during installation is important to ensure the gasket functions as intended.

Common Issues and Troubleshooting

Common issues associated with the 3420950 Cover Plate Gasket include leaks or failures, which can occur due to wear, improper installation, or exposure to extreme conditions. Troubleshooting these problems may involve inspecting the gasket for signs of damage, ensuring proper installation, and replacing the gasket if necessary to restore the seal.

Maintenance Tips

To maintain the 3420950 Cover Plate Gasket, regular inspections are recommended to check for signs of wear or damage. Best practices for prolonging its lifespan include ensuring proper installation, using the correct torque specifications when securing the cover plate, and addressing any leaks or issues promptly to prevent further damage.

Compatibility and Application

The 3420950 Cover Plate Gasket is designed for specific engines or systems, with applications commonly found in heavy-duty trucks. Its compatibility ensures that it meets the requirements for sealing in these environments, contributing to the efficient operation of the vehicle.

Cummins Overview

Cummins Inc. is a leader in the design, manufacture, and distribution of engines, providing power solutions for a wide range of applications. With a history of innovation and a commitment to quality, Cummins plays a significant role in the automotive and heavy-duty truck industry, offering components that enhance the performance and reliability of vehicles.

Cummins Cover Plate Gasket 3420950 Compatibility with Various Engines

The Cummins Cover Plate Gasket part number 3420950 is designed to fit a range of Cummins engines, ensuring a secure seal and preventing leaks. This gasket is critical for maintaining engine integrity and performance. Here is a detailed look at its compatibility with various engines:

QSV81G and QSV91G Engines

The 3420950 gasket is compatible with the QSV81G and QSV91G engines. These engines are known for their robust design and efficiency, often used in heavy-duty applications. The gasket ensures that the cover plate is properly sealed, maintaining the engine’s operational integrity.

QSV91-G4 CM558/CM700 V102 Engine

This specific engine model, QSV91-G4 CM558/CM700 V102, also benefits from the 3420950 gasket. The gasket’s precision fit is crucial for the engine’s performance, ensuring that there are no leaks and that the engine operates at peak efficiency.

QSW/QSV82 and QSW27 Engines

The 3420950 gasket is also suitable for the QSW/QSV82 and QSW27 engines. These engines are typically used in various industrial applications, and the gasket’s role in preventing leaks is vital for maintaining engine reliability and performance.

QSW36 and QSW73 Engines

Lastly, the 3420950 gasket fits the QSW36 and QSW73 engines. These engines are designed for durability and efficiency, and the gasket ensures that the cover plate is securely sealed, preventing any potential leaks that could compromise engine performance.

By ensuring a proper fit and seal, the Cummins Cover Plate Gasket 3420950 plays a crucial role in the longevity and efficiency of these engines.

Role of Part 3420950 Cover Plate Gasket in Engine Systems

The Part 3420950 Cover Plate Gasket is an essential component in ensuring the integrity and functionality of various engine systems. It is strategically positioned to interface with several key components, facilitating their operation and maintaining system efficiency.

Integration with Oil Systems

In the oil fill arrangement and oil fill assembly, the Cover Plate Gasket ensures a secure seal, preventing oil leaks and maintaining the correct oil pressure within the system. This is vital for the lubrication of moving parts and the overall health of the engine.

The oil level gauge and oil level assembly gauge rely on the gasket to provide an accurate reading of the oil level. Any compromise in the seal could lead to incorrect readings, potentially causing overfilling or underfilling of oil, which can adversely affect engine performance.

Engine Assembly Cover

When installed in the engine assembly cover or engines assembly cover, the gasket plays a role in maintaining the structural integrity of the cover. It prevents contaminants from entering the engine compartment, which could cause damage to internal components.

Seal Kit Compatibility

In conjunction with a seal kit, the Cover Plate Gasket enhances the sealing capabilities of the engine system. This is particularly important in high-pressure areas where even the smallest leak can lead to significant performance issues.

Gauge and Level Assembly

The gasket is also integral to the gauge level assembly oil and location oil level gauge. It ensures that these components function correctly by maintaining a consistent and leak-free environment. This is essential for the accurate monitoring of oil levels and pressures, which are indicators of engine health.

Overall System Efficiency

By ensuring a tight seal across these various components, the Part 3420950 Cover Plate Gasket contributes to the overall efficiency and reliability of the engine system. It allows for the smooth operation of oil-related components, accurate gauge readings, and the prevention of contaminants, all of which are fundamental to engine longevity and performance.

Conclusion

The Cummins 3420950 Cover Plate Gasket is a vital component in the maintenance and operation of heavy-duty truck engines. Its role in sealing various engine components ensures the prevention of leaks, maintenance of system pressure, and overall engine efficiency. Proper installation, regular maintenance, and understanding its compatibility with specific engine models are key to maximizing the benefits of this Cummins part.


  1. Halderman, James D. Automotive Principles: Diagnosis and Service. Prentice Hall, 2012.

  2. Bennett, Sean, and Ian Andrew Norman. Heavy Duty Truck Systems Fifth Edition. Delmar Cengage Learning, 2011.

  3. Bartz, Wilfried J. Engine Oils and Automotive Lubrication Mechanical Engineering Book 80. CRC Press, 2019.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
11.7 x 11.7 x 0.6 in
Weight
0.013 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.