3925466
Rectangular Ring Seal
Cummins®

Introduction

The Cummins 3925466 Rectangular Ring Seal is a critical component designed to maintain the integrity of fluid systems in commercial trucks. It ensures reliable sealing in various applications, contributing to the efficient operation of the vehicle by preventing leaks and ensuring proper fluid management ¹.

Basic Concepts of Rectangular Ring Seals

A Rectangular Ring Seal is a type of gasket that forms a seal between two mating surfaces by being compressed, creating a barrier that prevents the escape of fluids or gases. These seals are essential in mechanical systems where fluid or gas containment is necessary, such as in engines, transmissions, and hydraulic systems ³.

Purpose of the Cummins 3925466 Rectangular Ring Seal

This Cummins part ensures that fluids remain contained within their designated systems, preventing system failure or reduced efficiency due to fluid leakage. Its role is vital in maintaining the integrity of the system and ensuring that fluids do not escape, which could lead to performance issues or damage to other components ².

Key Features

The 3925466 is characterized by its material composition, typically made from durable elastomers or composite materials that offer resistance to various operating conditions. Its design includes a rectangular cross-section that allows for even distribution of pressure across the sealing surface. Unique attributes may include enhanced flexibility, resistance to chemicals, and the ability to withstand high temperatures, all of which contribute to its performance ⁴.

Benefits

Using the 3925466 offers several advantages. It provides improved sealing efficiency, ensuring that fluids remain contained within their systems. The seal’s durability allows it to withstand the rigors of commercial truck operation, including exposure to high temperatures and pressures. Additionally, its resistance to various operating conditions ensures long-term reliability and reduces the need for frequent replacements ¹.

Installation Process

Proper installation of the 3925466 involves several steps to ensure correct fitting. First, the mating surfaces should be clean and free of any debris. The seal should be positioned in the designated groove or between the surfaces it is intended to seal. Care should be taken to ensure that the seal is not twisted or misaligned during installation. Tools such as seal installation tools may be required to properly seat the seal without damaging it ².

Common Issues and Troubleshooting

Typical problems with the Rectangular Ring Seal may include leaks due to improper installation, seal degradation over time, or damage from excessive pressure or temperature. Troubleshooting steps may involve inspecting the seal for signs of wear or damage, ensuring that mating surfaces are clean and properly aligned, and verifying that the seal is correctly installed. In some cases, replacement of the seal may be necessary to resolve issues ³.

Maintenance Tips

Regular maintenance of the 3925466 is important to ensure longevity and optimal performance. This includes periodic inspection for signs of wear or damage, cleaning mating surfaces to prevent contamination, and replacing the seal as part of routine maintenance or when signs of degradation are observed. Following manufacturer recommendations for inspection intervals and care procedures can help maintain the seal’s effectiveness ⁴.

Cummins 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 broad product range, Cummins is known for its quality and reliability in the commercial truck industry. The company’s reputation is built on a commitment to excellence, ensuring that its products, including the 3925466, meet the high standards required for commercial applications ¹.

Compatibility

The 3925466 is designed to fit seamlessly within specified engine models, providing essential sealing capabilities that prevent leaks and maintain system integrity. Compatible engines include:

• 4B3.9
• 6B5.9
• B4.5
• QSB3.9 30 CM550
• QSB5.9 30 CM550

This seal is meticulously designed to align with the unique specifications of each engine model, ensuring a perfect fit and reliable sealing performance ².

Role in Engine Systems

In the context of engine systems, the 3925466 is instrumental in ensuring the integrity and efficiency of various components.

Integration with Housing

The housing of an engine is a vital component that encases and protects internal parts. The 3925466 is often placed within the housing to create a secure and leak-proof environment. This seal prevents the escape of fluids and gases, maintaining the pressure and temperature necessary for optimal engine performance. By fitting snugly within the housing, the seal ensures that no contaminants can enter, which could otherwise lead to wear and tear or failure of internal components ³.

Interaction with Thermostat

The thermostat is a temperature-sensitive valve that regulates the flow of coolant to the engine. The 3925466 plays a significant role in the thermostat’s operation by sealing the connection points where the thermostat interfaces with the engine block or housing. This seal is essential for maintaining the coolant’s path, ensuring that it circulates efficiently to regulate engine temperature. Without a proper seal, coolant leaks could occur, leading to inefficient cooling and potential engine overheating ⁴.

Conclusion

The 3925466 Rectangular Ring Seal is a key component in maintaining the functionality and reliability of engine systems by ensuring secure and leak-proof connections within the housing and at the thermostat. Its compatibility across multiple engine models underscores its critical role in maintaining engine integrity and performance.