4078761
Sealing Washer
Cummins®

Introduction

The Sealing Washer Assembly 4078761, produced by Cummins, is designed for heavy-duty truck operations. This assembly is crucial for maintaining engine efficiency and reliability by ensuring proper sealing in various systems, preventing leaks, and maintaining system integrity.

Basic Concepts of Sealing Washer Assemblies

Sealing washer assemblies are used in mechanical systems to create a seal between surfaces, preventing fluid or gas leakage. In heavy-duty trucks, these assemblies are vital for the integrity of engine components and fuel systems, maintaining pressure and preventing contamination ¹.

Purpose of the 4078761 Sealing Washer Assembly

The 4078761 Sealing Washer Assembly is designed to maintain performance in truck engines by ensuring fluids or gases remain within their designated pathways, supporting efficient engine operation ².

Key Features

This Cummins part features a precision-engineered design for a tight seal, materials resistant to wear and corrosion, and construction that withstands high pressures and temperatures, enhancing performance and durability in heavy-duty applications ³.

Benefits

Utilizing the 4078761 Sealing Washer Assembly offers improved sealing efficiency, maintaining system pressure and preventing leaks. Its durability reduces the need for frequent replacements, contributing to the truck’s overall reliability and minimizing downtime and maintenance costs.

Installation Process

Proper installation of the 4078761 Sealing Washer Assembly is crucial for optimal performance. The process involves positioning the assembly between mating surfaces, ensuring correct alignment and seating. Following manufacturer guidelines is important to avoid damage and ensure sealing effectiveness.

Common Issues and Troubleshooting

Issues with sealing washer assemblies may include leaks due to wear, damage, or improper installation. Troubleshooting involves inspecting the assembly for wear or damage, ensuring correct installation, and replacing it if necessary. Regular checks and maintenance can prevent significant problems.

Maintenance Tips

To prolong the life of the 4078761 Sealing Washer Assembly, regular maintenance practices are recommended. These include periodic inspections for wear or damage, ensuring proper installation during replacements, and following manufacturer guidelines for use and maintenance. Keeping the assembly clean and free from contaminants also contributes to its longevity and performance.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. Cummins has a history of innovation and quality, establishing a strong reputation in the automotive and heavy-duty truck industry. Their product range is designed to meet the demanding requirements of heavy-duty applications, ensuring reliability, efficiency, and performance.

Compatibility of Cummins Sealing Washer Assembly Part 4078761

The Cummins Sealing Washer Assembly part number 4078761 is designed to fit a variety of Cummins engines, ensuring a secure seal and preventing leaks in critical areas. This part is essential for maintaining the integrity of engine components and ensuring optimal performance.

ISB4.5 CM2350 B104

The ISB4.5 CM2350 B104 engine benefits from the Sealing Washer Assembly part 4078761, which is crucial for sealing various components and preventing fluid leaks. This part ensures that the engine operates efficiently and reliably.

QSB6.7 M CM2250 and QSC8.3 CM850 (CM2850)

Both the QSB6.7 M CM2250 and QSC8.3 CM850 (CM2850) engines are compatible with the Sealing Washer Assembly part 4078761. This part is integral in maintaining the seal integrity of these engines, ensuring that they perform optimally and reducing the risk of leaks.

QSM11 CM570

The QSM11 CM570 engine also utilizes the Sealing Washer Assembly part 4078761. This part is essential for ensuring that the engine’s components are properly sealed, which is vital for maintaining performance and preventing leaks.

Role of Part 4078761 Sealing Washer Assembly in Engine Systems

The Part 4078761 Sealing Washer Assembly is integral to maintaining the integrity and efficiency of various engine systems. Its primary function is to ensure a secure and leak-free connection between different components, thereby contributing to the overall performance and longevity of the engine.

In the breather system, the Sealing Washer Assembly is used to connect the breather to the crankcase. This connection allows for the release of pressure build-up within the crankcase while preventing the escape of oil vapors, which helps maintain a clean and efficient engine environment.

When integrated with the cleaner and air cooler systems, the Sealing Washer Assembly ensures that the air entering the engine is free from contaminants and properly cooled. This is vital for optimal combustion and engine performance.

In systems involving marine gear oil, the Sealing Washer Assembly plays a significant role in the drain and remote oil systems. It ensures that oil changes and maintenance procedures are conducted without leaks, preserving the lubrication integrity of the marine gear.

The assembly is also utilized in the connection of male unions within the plumbing of the engine. This is particularly important in high-pressure systems where any leakage can lead to significant performance issues.

Furthermore, in the oil cooler and marine gear oil cooler systems, the Sealing Washer Assembly ensures that the cooling process is efficient and that there are no leaks in the system. This is essential for maintaining the optimal operating temperature of the engine oil, which in turn protects the engine from overheating and potential damage.

Lastly, in conjunction with the upper engine gasket kit, the Sealing Washer Assembly helps in creating a robust seal between various engine components. This is important for preventing oil and coolant leaks, which can lead to engine inefficiency and potential failure.

Overall, the Part 4078761 Sealing Washer Assembly is a fundamental component in ensuring the seamless operation of various engine systems, contributing to their efficiency, reliability, and durability.

Conclusion

The 4078761 Sealing Washer Assembly by Cummins plays a vital role in the maintenance and efficiency of heavy-duty truck engines. Its precise design, durable materials, and compatibility with various Cummins engines make it an essential component for preventing leaks and ensuring system integrity. Regular maintenance and proper installation are key to maximizing its benefits and ensuring the longevity and reliability of the engine systems it supports.