3423799
O-Ring Seal
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$3.89 $4.63

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 3423799 O-Ring Seal is a component manufactured by Cummins, a well-established name in the commercial truck industry. This O-Ring Seal is specifically designed for use in commercial trucks, where it plays a role in ensuring the integrity of various systems by providing reliable sealing solutions.

Basic Concepts of O-Ring Seals

An O-Ring Seal is a type of gasket with a circular cross-section, designed to create a seal between two or more parts. In mechanical systems, O-Ring Seals are commonly used to prevent leakage of fluids and gases, maintain pressure within systems, and protect against the ingress of contaminants. They operate by deforming slightly when compressed between two surfaces, creating a tight seal 1.

Purpose of the 3423799 O-Ring Seal in Truck Operations

In the context of commercial trucks, the 3423799 O-Ring Seal serves a specific function within the truck’s systems. It is positioned in areas where fluid or gas sealing is required to maintain system efficiency and prevent leaks. Its role is to ensure that fluids or gases remain contained within their designated pathways, contributing to the overall reliability and performance of the truck 2.

Key Features of the 3423799 O-Ring Seal

The 3423799 O-Ring Seal is characterized by its design and material properties, which are tailored to meet the demanding conditions of commercial truck applications. It is made from a durable material that can withstand high pressures and temperatures, ensuring long-lasting performance. The seal’s size and design are optimized for its specific application, allowing it to fit precisely in the designated area and provide an effective seal 3.

Benefits of Using the 3423799 O-Ring Seal

Utilizing the 3423799 O-Ring Seal in commercial trucks offers several advantages. It contributes to improved system efficiency by ensuring that fluids and gases are contained within their intended pathways. The seal’s durability and reliability help extend the maintenance intervals for the truck, reducing downtime and operational costs. Additionally, its effective sealing capabilities help protect the truck’s systems from contamination, further enhancing reliability 4.

Installation and Maintenance Guidelines

Proper installation of the 3423799 O-Ring Seal is key to ensuring its effectiveness. The sealing area should be clean and free of debris to allow for a proper seal. The O-Ring should be handled carefully to avoid damage, and it should be lubricated before installation to facilitate smooth seating. Regular inspection and replacement of the O-Ring Seal, as part of routine maintenance, can help ensure its continued effectiveness and the overall reliability of the truck’s systems .

Troubleshooting Common Issues

Common issues with O-Ring Seals, such as leaks or failures, can often be traced back to improper installation, damage during handling, or degradation over time. Diagnosing these issues involves inspecting the seal for signs of wear or damage and checking the sealing surfaces for cleanliness and proper alignment. Addressing these issues may involve replacing the O-Ring Seal or addressing underlying problems with the sealing surfaces .

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and reliability in the commercial truck industry. The company’s product range includes a variety of components and systems designed to enhance the performance and efficiency of commercial vehicles.

O-Ring Seal Part 3423799 Compatibility with Cummins Engines

The O-Ring Seal part 3423799, manufactured by Cummins, is designed to fit seamlessly within the specified engine models. This seal is integral for ensuring the integrity of the engine’s sealing system, preventing leaks and maintaining optimal performance.

QSV81G and QSV91G Engines

For the QSV81G and QSV91G engines, the O-Ring Seal part 3423799 is engineered to provide a precise fit. This ensures that the seal effectively manages the pressure and fluid dynamics within the engine, contributing to its overall efficiency and longevity.

The compatibility of this seal with both the QSV81G and QSV91G engines highlights its versatility and the importance of using the correct part for each engine model. Cummins has ensured that this seal meets the stringent requirements of these engines, offering reliable performance and ease of installation.

By using the O-Ring Seal part 3423799, technicians and engineers can maintain the high standards of sealing required for the QSV81G and QSV91G engines, ensuring that these engines operate smoothly and efficiently.

Role of Part 3423799 O-Ring Seal in Engine Systems

The part 3423799 O-Ring Seal is integral to maintaining the integrity and efficiency of various engine components. In the Assembly Head Cylinder, this O-Ring Seal ensures a tight and leak-proof connection between the cylinder head and the engine block, preventing coolant and oil from mixing and ensuring optimal thermal management.

Within the Assembly with Valves Head, the O-Ring Seal plays a significant role in sealing the passages that carry fluids, thus maintaining the pressure and purity of the coolant and oil systems. This is vital for the consistent performance and longevity of the valve components.

In the Cylinder Assembly Head, the O-Ring Seal is employed to create a secure seal around the gasket areas, which is essential for preventing any form of leakage that could lead to engine inefficiency or damage.

For the Cylinder Head, the O-Ring Seal is used to ensure that the connections between the head and other components are sealed properly, which is important for maintaining compression and preventing any fluid ingress that could compromise engine performance.

In a Cylinder Head Overhaul Kit, the inclusion of the O-Ring Seal is standard practice to guarantee that all refurbished or replaced parts are correctly sealed, thus restoring the engine to its peak operational condition.

The Mounting Insert often utilizes the O-Ring Seal to ensure that the insert is securely fastened without any risk of fluid leakage, which is particularly important in high-stress areas of the engine.

Lastly, in an Overhaul Kit, the O-Ring Seal is a fundamental component that ensures all newly installed or refurbished parts are adequately sealed, contributing to the overall reliability and performance of the engine post-overhaul.

Conclusion

The 3423799 O-Ring Seal by Cummins is a critical component in the maintenance and operation of commercial truck engines. Its design and material properties are tailored to withstand the demanding conditions of truck applications, ensuring long-lasting performance and reliability. Proper installation and maintenance of this seal are essential for the efficient operation of the truck’s systems, reducing downtime and operational costs. By understanding the role and benefits of this Cummins part, technicians and engineers can ensure the optimal performance and longevity of commercial truck engines.


  1. Barton, D. C., & Fieldhouse, J. D. (2009). Automotive Chassis Engineering Powertrain Chassis System and Vehicle Body. Elsevier.

  2. Han, Z. (2022). Simulation and Optimization of Internal Combustion Engines. SAE International.

  3. Dempsey, P. (2018). Troubleshooting and Repairing Diesel Engines, 5th Edition. McGraw-Hill.

  4. Cummins Inc. (n.d.). Operation and Maintenance Manual. Bulletin Number 4021507.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
* 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.