4968931
O-Ring Seal
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$5.49 $6.53

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 4968931 O-Ring Seal is a critical component designed to maintain the integrity of seals within commercial truck engines. Its role is significant in ensuring the operational efficiency and reliability of these vehicles. By preventing leaks and ensuring proper sealing, this Cummins part contributes to the overall performance and longevity of the engine systems it serves 1.

Basic Concepts of O-Ring Seals

An O-Ring Seal is a type of gasket consisting of a jointless ring of elastomer with a round cross-section. It functions by creating a seal between two or more parts, typically in dynamic or static applications. O-Rings are widely used in mechanical systems for their ability to provide a reliable seal against fluids and gases under various pressures and temperatures 2.

Purpose of the 4968931 O-Ring Seal in Truck Operation

The 4968931 O-Ring Seal plays a specific role in the operation of commercial trucks by ensuring the integrity of seals within the engine or other systems. It is typically placed in areas where fluid or gas sealing is required to prevent leaks and maintain system pressure. Its function is vital for the efficient operation of the engine, contributing to the overall performance and reliability of the truck 3.

Key Features of the 4968931 O-Ring Seal

The design and material characteristics of the 4968931 O-Ring Seal are tailored to meet the demands of heavy-duty applications. It is made from materials that offer excellent resistance to wear, chemical exposure, and temperature variations. These features contribute to its effectiveness and durability, ensuring it can withstand the rigorous conditions encountered in commercial truck operations.

Benefits of Using the 4968931 O-Ring Seal

The 4968931 O-Ring Seal offers several advantages, including improved sealing performance, longevity, and resistance to various operating conditions. Its design allows for a tight seal that minimizes the risk of leaks, while its durable construction ensures it can endure the stresses of heavy-duty use. These benefits contribute to the reliability and efficiency of the truck’s engine system.

Installation and Maintenance

Proper installation of the 4968931 O-Ring Seal is crucial for its effectiveness. This involves preparing the sealing surface to ensure it is clean and free of imperfections. Torque specifications should be followed to avoid over-tightening, which can damage the O-Ring. Regular maintenance, including inspection for wear or damage, is recommended to ensure the longevity and optimal performance of the seal.

Troubleshooting Common Issues

Common problems associated with O-Ring Seals, such as leaks or failures, can often be traced back to installation errors or environmental factors. Troubleshooting steps may include checking the sealing surface for damage, ensuring the O-Ring is the correct size and material for the application, and verifying that installation procedures were followed correctly. Addressing these issues promptly can help maintain the integrity of the seal and the efficiency of the engine system.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins serves customers in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributor facilities and approximately 7,400 dealer locations. The company’s product range includes diesel and natural gas engines, as well as related technologies, all designed to meet the needs of commercial and industrial applications.

Role of Part 4968931 O-Ring Seal in Engine Systems

The 4968931 O-Ring Seal is an essential component in ensuring the integrity and efficiency of various engine systems. Its primary function is to create a reliable seal between mating surfaces, preventing leaks and maintaining system pressure.

Male Connector

In systems utilizing male connectors, the 4968931 O-Ring Seal is positioned within the connector’s groove. This placement ensures a tight seal when the male connector interfaces with a corresponding female connector. The seal prevents fluid or gas leakage, which is vital for maintaining system performance and preventing contamination.

System Integration

When integrated into broader engine systems, the 4968931 O-Ring Seal plays a significant role in maintaining the overall efficiency of the system. It ensures that fluids or gases are directed precisely where needed without any loss, which is essential for the consistent operation of the engine.

Auxiliary Cooling System

In auxiliary cooling systems, the 4968931 O-Ring Seal is often used in connections between the radiator, hoses, and other cooling components. Its role here is to maintain the coolant’s path, ensuring that the engine remains at optimal operating temperatures. This seal helps in preventing coolant leaks, which could lead to overheating and potential engine damage.

Water Pump

The water pump is another area where the 4968931 O-Ring Seal is commonly employed. It is used in the connections between the water pump and the engine block or radiator. This seal is important for maintaining the pressure within the cooling system, ensuring that the water pump can effectively circulate coolant throughout the engine.

Conclusion

Understanding the specific applications and the role of the 4968931 O-Ring Seal in these components allows engineers and mechanics to better appreciate its importance in maintaining the functionality and reliability of engine systems. Proper installation, maintenance, and troubleshooting are essential to ensure the longevity and optimal performance of this critical component.


  1. Hilgers, M., & Achenbach, W. (2021). Vocational Vehicles and Applications. Springer Vieweg.

  2. Department of Energy. (2015). Department of Energy Fundamentals Handbook.

  3. Cummins Inc. (n.d.). K38, K50, QSK38, and QSK50 Engines. Owners Manual, Bulletin Number 3667180.

SPECIFICATIONS

Package Dimensions
1.2 x 1.2 x 0.1 in
Weight
0.1 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.