3939139
Oil Gauge Tube
Cummins®

The Cummins 3939139 Oil Gauge Tube is a component designed for use in heavy-duty trucks. It facilitates the accurate measurement of oil levels within the engine, ensuring that the engine remains properly lubricated, which is vital for its performance and longevity.

Basic Concepts of Oil Gauge Tubes

An oil gauge tube is a part of the engine lubrication system that allows for the measurement of oil levels. It operates by connecting to the oil reservoir and providing a pathway for oil to travel to the gauge, where the level can be read. Accurate oil level readings are crucial for maintaining the correct amount of lubrication in the engine, which helps protect engine components from wear and damage ¹.

Purpose of the 3939139 Oil Gauge Tube

The Cummins 3939139 Oil Gauge Tube monitors oil levels and ensures that engine components receive adequate lubrication. It is designed to provide precise oil level readings, which are necessary for maintaining optimal engine performance and preventing potential damage due to insufficient lubrication.

Key Features

The Cummins 3939139 Oil Gauge Tube is characterized by its robust design and the materials used in its construction. It is made from high-quality materials that enhance its durability and performance. The tube is designed to withstand the harsh conditions present in heavy-duty truck engines, ensuring reliable operation over time.

Benefits

Using the Cummins 3939139 Oil Gauge Tube offers several benefits. It provides improved accuracy in oil level readings, which contributes to better engine protection. The enhanced reliability of the tube ensures that the engine receives consistent lubrication, which is important for the longevity and performance of heavy-duty trucks.

Installation Considerations

When installing the Cummins 3939139 Oil Gauge Tube, it is important to ensure proper fitting and sealing. The tube should be integrated with existing engine components in a manner that prevents leaks and ensures accurate oil level readings. Following manufacturer guidelines for installation will help achieve the best results.

Troubleshooting Common Issues

Common issues with the Cummins 3939139 Oil Gauge Tube may include inaccurate readings or leaks. These problems can often be addressed by checking the tube for proper installation, ensuring seals are intact, and verifying that there are no obstructions in the oil pathway. Regular maintenance can help prevent these issues.

Maintenance Tips

To maintain the Cummins 3939139 Oil Gauge Tube, regular inspection and cleaning are recommended. This includes checking for signs of wear or damage and ensuring that all connections are secure. Replacing worn or damaged components will help ensure the continued accurate operation of the oil gauge system.

Cummins Overview

Cummins Inc. is a well-established company in the automotive industry, known for its high-quality components for heavy-duty trucks. With a strong reputation for reliability and performance, Cummins continues to be a preferred choice for those in the trucking industry, providing parts that contribute to the efficient and safe operation of vehicles.

Compatibility of Oil Gauge Tube Part 3939139 with Cummins Engines

The Oil Gauge Tube part number 3939139, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is crucial for monitoring the oil levels in the engine, ensuring that the engine operates within safe parameters. Here is a breakdown of the Cummins engines that are compatible with this oil gauge tube:

Compatible Engines

• 6B5.9
• B4.5
• QSB3.9 30 CM550
• QSB5.9 30 CM550
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

Grouping of Compatible Engines

The engines listed above can be grouped based on their series and specifications. For instance:

• QSB Series:

  • QSB3.9 30 CM550
  • QSB5.9 30 CM550
  • QSB6.7 CM850 (CM2850)
  • QSB7 CM2880 B117

• Other Models:

  • 6B5.9
  • B4.5

The QSB series engines are part of Cummins’ Quant Series, known for their reliability and efficiency in various applications. The 6B5.9 and B4.5 engines, while not part of the QSB series, are also designed to work seamlessly with the Oil Gauge Tube part 3939139, ensuring that all listed engines can benefit from this essential component.

Role of Part 3939139 Oil Gauge Tube in Engine Systems

The Part 3939139 Oil Gauge Tube is an essential component in the accurate measurement and monitoring of oil levels within an engine system. This component interfaces directly with the dipstick, which is inserted into the oil sump to measure the oil level.

When the dipstick is removed, the Part 3939139 Oil Gauge Tube provides a pathway for the oil to travel from the sump to the gauge. The gauge, in turn, displays the oil level, allowing for precise monitoring. This setup ensures that the oil level gauge provides an accurate reading, which is vital for maintaining optimal engine performance and longevity.

The Oil Gauge Tube works in conjunction with the oil level gauge to offer a clear and reliable indication of the engine’s oil status. This integration helps in preventing oil-related issues such as engine seizing due to low oil levels or oil dilution due to overfilling.

Conclusion

In summary, the Cummins 3939139 Oil Gauge Tube plays a significant role in the effective functioning of the oil level monitoring system, ensuring that the engine operates within safe parameters. Its robust design, compatibility with various Cummins engines, and the benefits it provides make it a crucial component for maintaining the performance and longevity of heavy-duty trucks.