3908306
Oil Gauge Tube
Cummins®

The Cummins 3908306 Oil Gauge Tube is a critical component designed to facilitate the monitoring of oil levels and pressure within the engine lubrication system of commercial trucks. Its role is significant in ensuring the engine operates efficiently and remains well-lubricated, which is vital for the longevity and performance of the vehicle.

Basic Concepts of Oil Gauge Tubes

An oil gauge tube is a part of the engine lubrication system that allows for the measurement and monitoring of oil levels and pressure. It connects to the oil gauge, providing real-time data on the oil’s condition within the engine. This information is essential for maintaining optimal engine performance, as it enables operators to make informed decisions regarding oil changes and potential issues within the lubrication system ¹.

Purpose of the Cummins 3908306 Oil Gauge Tube

The Cummins 3908306 Oil Gauge Tube plays a role in the operation of a truck by assisting in the monitoring of oil levels and pressure. It ensures that the engine receives the appropriate amount of lubrication, which is necessary for reducing friction between moving parts, dissipating heat, and removing contaminants from the engine. By providing accurate readings, it helps in preventing engine damage due to insufficient lubrication ².

Key Features

The Cummins 3908306 Oil Gauge Tube is characterized by its robust design and the use of high-quality materials, which contribute to its durability and reliability. It is engineered to withstand the harsh conditions within a commercial truck engine, ensuring consistent performance over time. Unique characteristics of this oil gauge tube may include precision manufacturing for accurate readings and a design that facilitates easy installation and maintenance ³.

Benefits of Using the Cummins 3908306 Oil Gauge Tube

Utilizing the Cummins 3908306 Oil Gauge Tube offers several advantages. It contributes to improved engine performance by ensuring optimal lubrication, which reduces wear on engine components. Additionally, its reliable operation enhances the overall reliability of the truck, minimizing the risk of engine failure. Ease of maintenance is another benefit, as the design of the oil gauge tube allows for straightforward inspection and replacement when necessary.

Installation Process

Installing the Cummins 3908306 Oil Gauge Tube requires following a step-by-step procedure to ensure proper integration into the engine lubrication system. The process involves preparing the engine, aligning the oil gauge tube with the designated port, and securing it in place. Tools and equipment required may include wrenches and sealant to ensure a tight fit. Safety precautions, such as wearing protective gear and ensuring the engine is cool before beginning work, should be observed throughout the installation.

Troubleshooting Common Issues

Common problems associated with oil gauge tubes include leaks and inaccurate readings. Troubleshooting these issues may involve inspecting the connections for tightness, checking for damage to the tube or gauge, and ensuring the oil level is within the recommended range. Addressing these problems promptly can help maintain the efficiency and reliability of the engine lubrication system.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 3908306 Oil Gauge Tube, routine maintenance practices are recommended. These include regular inspections for signs of wear or damage, cleaning the tube and gauge to remove any buildup, and verifying the accuracy of the oil level readings. Adhering to these maintenance tips can help prevent issues and ensure the oil gauge tube continues to function effectively.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. Its extensive product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicles.

Compatibility of Oil Gauge Tube Part 3908306 with Cummins Engines

The Oil Gauge Tube part number 3908306, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral for monitoring the oil level in the engine, ensuring optimal performance and preventing engine damage due to insufficient lubrication.

Compatible Engines

• 4B3.9
• 6B5.9
• 6C8.3
• B4.5
• B5.9 G
• B5.9 GAS PLUS CM556
• QSB5.9 30 CM550

These engines, while differing in specifications and applications, share a common requirement for an effective oil monitoring system. The Oil Gauge Tube part 3908306 is engineered to meet this need across the listed models.

Grouping of Compatible Engines

• B Series Engines:
  • B4.5
  • B5.9 G
  • B5.9 GAS PLUS CM556

These engines are part of the B series, known for their versatility and reliability in various applications.

• 4B and 6B Series Engines:
  • 4B3.9
  • 6B5.9

These engines are part of the 4B and 6B series, often used in medium-duty applications.

• 6C Series Engines:
  • 6C8.3

The 6C series is typically used in heavy-duty applications, known for its robustness and power.

• QSB Series Engines:
  • QSB5.9 30 CM550

The QSB series is designed for high-performance applications, often found in industrial and agricultural settings.

By ensuring that the Oil Gauge Tube part 3908306 is compatible with these engines, Cummins maintains a high standard of quality and reliability across its engine lineup.

Role of Part 3908306 Oil Gauge Tube in Engine Systems

The 3908306 Oil Gauge Tube is a critical component in the accurate measurement and display of oil levels within an engine system. This tube facilitates the connection between the oil level within the engine and the Oil Level Gauge, ensuring that the Gauge provides a precise reading of the current oil level.

In operation, the Oil Gauge Tube draws oil from the sump or oil pan through a small opening. The oil level inside the tube mirrors the level in the sump, allowing the Oil Level Gauge to display an accurate representation. This setup is integral for maintaining optimal engine performance, as it enables engineers and mechanics to monitor oil levels in real-time.

The Oil Gauge Tube also plays a part in the overall integrity of the oil level monitoring system. By providing a direct and unobstructed path for oil to travel from the sump to the Gauge, it ensures that the readings are not affected by external factors such as air bubbles or oil sludge, which could otherwise lead to inaccurate measurements.

Furthermore, the design of the Oil Gauge Tube allows for easy integration with various engine systems. Its standardized fittings and connections make it compatible with a wide range of Oil Level Gauges, ensuring versatility across different engine types and configurations.

Conclusion

In summary, the Cummins 3908306 Oil Gauge Tube is a fundamental component in the oil level monitoring system of an engine. It ensures accurate and reliable oil level readings, contributing to the overall efficiency and longevity of the engine system. By understanding its role, benefits, and maintenance requirements, operators and mechanics can ensure the optimal performance and reliability of their commercial trucks.