3942661
Oil Gauge Tube
Cummins®

The Cummins 3942661 Oil Gauge Tube is a critical component for heavy-duty trucks, integral to the engine’s lubrication system. It ensures accurate oil level measurement, which is essential for maintaining optimal engine performance and longevity ¹.

Basic Concepts of Oil Gauge Tubes

An oil gauge tube is a vital part of the engine lubrication system, providing a pathway for oil to travel from the sump to the oil gauge. This allows for the precise measurement of oil levels, which is crucial for maintaining proper lubrication and reducing friction and wear on engine components ².

Purpose of the 3942661 Oil Gauge Tube

This Cummins part enables accurate oil level measurement, ensuring the engine receives the proper amount of lubrication. This is necessary for efficient and reliable engine operation, protecting it from potential damage due to insufficient lubrication ³.

Key Features

The 3942661 is constructed from durable materials designed to withstand the harsh conditions within an engine. Its design is tailored to fit specific engine models, ensuring a precise fit and function. Enhanced sealing capabilities and robust construction to withstand high temperatures and pressures are among its unique attributes ⁴.

Benefits

Using this Oil Gauge Tube offers several benefits, including improved accuracy in oil level readings, enhanced engine protection through consistent lubrication, and reliability in various operating conditions, making it valuable for heavy-duty applications.

Installation and Compatibility

Proper installation of 3942661 involves following specific guidelines to ensure it functions correctly within the engine system. Compatibility with certain engine models and systems should be verified to ensure optimal performance and integration.

Troubleshooting and Maintenance

Common issues with this part may include inaccurate readings or leaks. Troubleshooting involves checking for proper installation, examining the tube for damage, and ensuring all connections are secure. Regular maintenance, such as inspecting the tube for wear and ensuring it is free from obstructions, can help maintain its longevity and performance.

Safety Considerations

When working with this Cummins part, it is important to follow safety practices. This includes handling the tube with care to avoid damage, being aware of potential hazards such as hot engine components, and taking precautions to avoid accidents or injuries during installation or maintenance procedures.

Cummins Overview

Cummins Inc. is renowned in the automotive and heavy-duty truck industry for its commitment to quality and innovation in manufacturing components. With a rich history, Cummins has built a reputation for producing reliable and high-performance parts that meet the demanding requirements of heavy-duty applications.

Integration with Specific Engines

The Oil Gauge Tube part 3942661, manufactured by Cummins, is designed to integrate seamlessly with the ISB CM550 and QSB5.9 44 CM550 engines. This component plays a crucial role in the engine’s oil monitoring system, ensuring that the oil level is accurately displayed on the vehicle’s dashboard.

For the ISB CM550 engine, the Oil Gauge Tube is engineered to fit precisely within the oil pan, providing a direct reading of the oil level. This ensures that the driver is always informed about the engine’s oil status, which is vital for maintaining engine health and preventing potential damage due to low oil levels.

Similarly, in the QSB5.9 44 CM550 engine, the Oil Gauge Tube is meticulously designed to align with the engine’s oil pan specifications. This alignment guarantees that the oil level readings are accurate and reliable, contributing to the overall efficiency and longevity of the engine.

Both engines benefit from the precision engineering of the Oil Gauge Tube, which is a testament to Cummins’ commitment to quality and performance. The seamless integration of this part with the ISB CM550 and QSB5.9 44 CM550 engines underscores the importance of using genuine Cummins parts for optimal engine operation.

Role of Part 3942661 Oil Gauge Tube in Engine Systems

The 3942661 Oil Gauge Tube is integral to the accurate measurement and monitoring of oil levels within various engine systems. It works in conjunction with the oil level sensor and the gauge to provide real-time data on the oil level status.

Integration with Oil Level Sensor

The Oil Gauge Tube is directly connected to the oil level sensor. As the oil level changes within the engine, the sensor detects these variations through the tube. This continuous flow of information allows the sensor to accurately measure the current oil level, ensuring that it remains within the optimal range for engine performance and longevity.

Connection to the Gauge

The Oil Gauge Tube transmits the data from the oil level sensor to the gauge. This gauge, typically located on the dashboard, displays the oil level in a user-friendly manner. Engineers and mechanics rely on this display to make informed decisions regarding oil changes and potential issues within the engine.

Importance in Maintenance

Regular monitoring via the Oil Gauge Tube helps in identifying potential leaks or excessive oil consumption. Early detection of such issues can prevent more severe engine damage, making the tube a valuable component in routine maintenance checks.

Role in Engine Performance

Accurate oil level readings are essential for maintaining engine performance. The Oil Gauge Tube ensures that the engine operates with the correct amount of lubrication, which is vital for reducing friction, wear, and tear on moving parts.

Application in Diagnostic Procedures

During diagnostic procedures, the Oil Gauge Tube plays a significant role. It provides consistent and reliable data that can help identify irregularities in oil levels, which might indicate underlying issues such as a failing oil pump or blockages in the oil passages.

Conclusion

In summary, the 3942661 Oil Gauge Tube is a key component in the engine’s oil management system, facilitating accurate measurement and monitoring of oil levels, and contributing to the overall health and performance of the engine.