4361955
O-Ring Seal
Cummins®

The Cummins 4361955 O-Ring Seal is a critical component for commercial trucks, designed to maintain the integrity of various systems by providing a reliable seal. This part is essential in preventing leaks and ensuring the efficient operation of the truck’s systems.

Basic Concepts of O-Ring Seals

O-Ring Seals are circular rings, typically made from elastomers, that create a seal when compressed within a groove. They function by filling the space between mating surfaces, thus preventing the passage of fluids and gases. Common materials for O-Rings include nitrile rubber, silicone, and fluorocarbon, each chosen for specific applications based on their resistance to temperature, chemicals, and pressure. O-Ring Seals are utilized across various industries, including automotive, aerospace, and manufacturing, due to their versatility and effectiveness in sealing applications ¹.

Purpose of the 4361955 O-Ring Seal in Truck Operations

In commercial trucks, this Cummins part plays a specific role in ensuring the proper function of various systems. It is positioned in areas where a seal is required to prevent leaks of fluids or gases that could affect the performance or safety of the vehicle. By maintaining a tight seal, it contributes to the overall efficiency and reliability of the truck’s operations.

Key Features of the 4361955 O-Ring Seal

The design and material characteristics of the 4361955 O-Ring Seal are tailored to meet the demands of heavy-duty applications. It is constructed from materials that offer resistance to wear, environmental factors, and the specific fluids or gases it is designed to seal. These features ensure its effectiveness and durability in the challenging conditions encountered by commercial trucks.

Benefits of Using the 4361955 O-Ring Seal

The use of the 4361955 O-Ring Seal offers several advantages. It provides improved sealing performance, which is crucial for maintaining system integrity and efficiency. Its resistance to wear and environmental factors ensures longevity, reducing the need for frequent replacements. Additionally, by preventing leaks, it contributes to the overall efficiency of the truck’s systems, potentially leading to cost savings and improved performance.

Installation and Maintenance Guidelines

Proper installation of the 4361955 O-Ring Seal is critical for its effectiveness. This involves preparing the sealing surfaces to ensure they are clean and free of imperfections. Torque specifications should be followed to avoid over-tightening, which could damage the seal. Regular maintenance, including inspection for wear or damage, is recommended to ensure the seal continues to perform as intended.

Troubleshooting Common Issues

Common issues with O-Ring Seals, such as leaks or failure, can often be traced back to installation errors or environmental factors. Troubleshooting these problems involves inspecting the seal and its groove for damage, ensuring proper installation techniques were used, and considering the conditions the seal is exposed to. Addressing these issues promptly can prevent more significant problems and ensure the continued reliability of the truck’s systems ².

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 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. Cummins is committed to powering a more prosperous world by providing reliable and efficient power solutions across various industries.

Cummins Engine O-Ring Seal 4361955 Compatibility

The O-Ring Seal part number 4361955, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This seal is crucial for maintaining the integrity of the engine’s sealing system, ensuring that there are no leaks and that the engine operates efficiently.

QSK95 Engines

For the QSK95 engines, specifically the variants CM2350 K111 and CM2350 K113, the O-Ring Seal 4361955 is engineered to fit precisely in the designated areas where it is needed. This ensures that the seal provides an effective barrier against oil, coolant, and other fluids, preventing any potential leaks that could compromise engine performance.

Installation and Usage

When installing the O-Ring Seal 4361955 in QSK95 engines, it is important to follow the manufacturer’s guidelines to ensure a proper fit and function. The seal should be placed in the designated sealing area, and care should be taken to avoid any damage to the seal or the surrounding components during installation. Proper installation is key to maintaining the engine’s efficiency and longevity.

Maintenance

Regular maintenance checks should be performed to ensure that the O-Ring Seal 4361955 remains in good condition. Any signs of wear or damage should be addressed promptly to prevent potential issues that could arise from a compromised seal. Cummins recommends using genuine parts for replacements to ensure compatibility and performance.

Role of Part 4361955 O-Ring Seal in Engine Systems

The part 4361955 O-Ring Seal is instrumental in ensuring the integrity and efficiency of various engine components. Its application spans across several key areas within the engine system, contributing to the overall performance and reliability of the engine.

Fuel Injection Pump

In the fuel injection pump, the O-Ring Seal plays a significant role in maintaining a tight seal between moving parts and stationary components. This seal prevents fuel leakage, ensuring that the fuel delivery system operates efficiently. The seal also helps in maintaining the precise fuel pressure required for optimal combustion, thereby enhancing engine performance.

Fuel Pump

For the fuel pump, the O-Ring Seal is essential in sealing the connections between the pump housing and the fuel lines. This prevents any fuel from escaping, which could lead to a loss of pressure and inefficient fuel delivery. The seal also protects the internal components of the fuel pump from contaminants that might be present in the fuel, prolonging the lifespan of the pump.

Fuel Pump Kit

In a fuel pump kit, which often includes various components such as the pump, filters, and gaskets, the O-Ring Seal is used to ensure that all connections are leak-proof. This is particularly important in maintaining the integrity of the fuel system, as any leakage could result in a drop in fuel pressure, affecting the engine’s performance.

Gasket Kit

Within a gasket kit, the O-Ring Seal complements other gaskets by providing a reliable seal in areas where traditional gaskets might not fit perfectly. This is especially useful in custom or modified engine setups where precise fitting is required to prevent leaks and ensure optimal performance.

General Pump Applications

Across various pump applications, whether they are specifically designed for fuel or other fluids, the O-Ring Seal is vital for creating a secure seal in dynamic environments. Pumps often experience vibrations and fluctuations in pressure, making a robust seal essential to prevent leaks and maintain efficiency.

Fuel System Integrity

Overall, the part 4361955 O-Ring Seal contributes to the integrity of the fuel system by ensuring that all connections are secure and leak-free. This not only enhances the performance of the engine but also ensures that the fuel system operates safely and efficiently.

Conclusion

The Cummins 4361955 O-Ring Seal is a vital component in the maintenance and efficiency of commercial truck engines. Its role in preventing leaks, ensuring system integrity, and contributing to engine performance cannot be overstated. Proper installation, regular maintenance, and prompt troubleshooting of issues are essential to maximize the benefits of this part.