3394114
Spark Plug Gasket
Cummins®

IN STOCK

Cummins®

More than 10 are currently available

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$17.95 $21.36

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

Spark plug gaskets are integral components in heavy-duty truck engines, ensuring the efficient operation of the engine by maintaining the integrity of the combustion chamber. The 3394114 Spark Plug Gasket by Cummins is designed to meet the demanding requirements of heavy-duty applications, providing reliable sealing and performance.

Function of Spark Plug Gaskets

Spark plug gaskets operate by creating a seal between the spark plug and the cylinder head. This seal is vital for preventing the escape of combustion gases, which could lead to a loss of engine efficiency and power. By maintaining a tight seal, spark plug gaskets help ensure that the combustion process is contained within the cylinder, allowing for optimal engine performance 1.

Purpose of the 3394114 Spark Plug Gasket

The 3394114 Spark Plug Gasket is specifically engineered to enhance the operation of heavy-duty trucks. It plays a role in maintaining engine efficiency and performance by ensuring a secure seal around the spark plug. This seal helps to prevent leaks and maintain the pressure within the combustion chamber, which is necessary for efficient fuel combustion and engine operation.

Key Features

The 3394114 Spark Plug Gasket is characterized by its robust design and high-quality materials. It is constructed to withstand the high temperatures and pressures present in heavy-duty truck engines. The gasket’s material is chosen for its durability and ability to form a reliable seal, even under extreme conditions. Additionally, the design of the gasket ensures easy installation and compatibility with a variety of spark plug types.

Benefits

Using the 3394114 Spark Plug Gasket offers several advantages. It provides improved engine sealing, which contributes to enhanced engine performance and efficiency. The gasket’s durability ensures longevity, reducing the need for frequent replacements. Moreover, its reliable sealing properties help in maintaining consistent engine performance over time.

Installation Process

Installing the 3394114 Spark Plug Gasket requires careful attention to ensure a proper seal. The process involves cleaning the cylinder head surface to remove any debris or old gasket material. The new gasket should be placed over the spark plug before it is threaded into the cylinder head. It is important to follow the manufacturer’s torque specifications when tightening the spark plug to avoid over-tightening, which could damage the gasket or the spark plug threads.

Maintenance and Troubleshooting

To maintain the 3394114 Spark Plug Gasket, regular inspections are recommended to check for signs of wear or damage. Common issues include gasket failure due to improper installation or extreme engine conditions. Troubleshooting may involve checking the torque of the spark plug, ensuring the gasket is correctly seated, and inspecting for any damage to the cylinder head or spark plug threads. Regular maintenance practices, such as following the recommended service intervals for spark plug replacements, can help prevent issues related to the gasket.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a strong reputation in the heavy-duty truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s product range includes engines and components designed for durability and performance in demanding applications.

Cummins Spark Plug Gasket 3394114 Compatibility

The Cummins Spark Plug Gasket part number 3394114 is designed to fit a variety of Cummins engines, ensuring a secure seal between the spark plug and the engine head. This gasket is crucial for maintaining engine integrity and preventing leaks. Below is a detailed description of its compatibility with various Cummins engines:

G855 Series

  • G855
  • G855 CM558

These engines benefit from the gasket’s ability to withstand high temperatures and pressures, ensuring a reliable seal that enhances engine performance.

GTA38 Series

  • GTA38 G CMEICS G116C
  • GTA855 CM558 (CM2358) G101

The GTA38 engines, including the GTA855, are equipped with robust designs that require a gasket capable of enduring extreme conditions. The 3394114 gasket provides the necessary durability and sealing properties for these engines.

KTA19 Series

  • KTA19GC
  • KTA19GC CM558
  • KTA38GC CM558

The KTA19 and KTA38 engines are known for their reliability and efficiency. The 3394114 gasket is engineered to fit these engines perfectly, ensuring optimal sealing and preventing any potential leaks that could compromise engine performance.

N14 Series

  • N14 G

The N14 engine, a staple in many industrial applications, also benefits from the 3394114 gasket. Its design ensures that the gasket can handle the specific demands of the N14 engine, providing a dependable seal that enhances overall engine efficiency.

Each of these engines, despite their differences, relies on the 3394114 gasket to maintain a critical seal, ensuring that the engine operates at peak performance and longevity.

Role of Part 3394114 Spark Plug Gasket in Engine Systems

The 3394114 Spark Plug Gasket is an essential component in ensuring the efficient and reliable operation of various engine systems. Its primary function is to create a secure seal between the spark plug and the cylinder head, preventing gas and oil leaks that could compromise engine performance.

Integration with Key Engine Components

  1. Cylinder Head and Head Quadrant Gasket Kit: The spark plug gasket works in conjunction with the cylinder head and the head quadrant gasket kit to maintain a sealed combustion chamber. This seal is vital for optimal combustion efficiency and preventing the escape of gases that could reduce engine power and efficiency.

  2. Camshaft and Camshaft Mounting: Although the spark plug gasket does not directly interact with the camshaft or its mounting, the sealed combustion environment it helps create ensures consistent engine operation, which is important for the smooth functioning of the camshaft and its associated components.

  3. Piston Cooling Valve: Efficient combustion, facilitated by the spark plug gasket, ensures that the piston cooling valve operates under the intended conditions. This, in turn, helps in maintaining the optimal temperature of the piston, enhancing engine durability and performance.

  4. Aftercooler: In engines equipped with an aftercooler, the efficient combustion process supported by the spark plug gasket contributes to better overall engine cooling. This is because a well-sealed combustion chamber leads to more consistent and controlled heat generation.

  5. Cylinder and Piston: The seal provided by the spark plug gasket ensures that the pressure within the cylinder is maintained at the correct levels during the combustion process. This directly affects the movement of the piston, contributing to smooth and efficient engine operation.

  6. Performance Parts: When upgrading to performance parts, the integrity of the spark plug gasket becomes even more significant. A reliable seal is essential to handle the increased pressures and temperatures that come with performance enhancements, ensuring that the engine operates at peak efficiency without risking damage.

Conclusion

The 3394114 Spark Plug Gasket by Cummins is a critical component in the maintenance and enhancement of heavy-duty truck engines. Its robust design, compatibility with various Cummins engines, and role in ensuring a secure seal between the spark plug and cylinder head make it an indispensable part of engine systems. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part, ensuring optimal engine performance and longevity.


  1. Genta, G., & Morello, L. (2019). The Automotive Chassis Volume 1 Components Design Mechanical Engineering Series 2nd Edition. Springer.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.0 x 1.0 x 0.13 in
Weight
0.01 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.