3919938
Oil Gauge Tube
Cummins®

Introduction

The Cummins 3919938 Oil Gauge Tube is a component designed for use in heavy-duty truck engines. Its purpose is to facilitate the accurate measurement and monitoring of oil levels within the engine’s lubrication system. This part plays a role in the engine cooling system by ensuring the engine operates efficiently and remains protected from potential damage due to inadequate lubrication ¹.

Function and Operation

The Oil Gauge Tube operates as part of the engine’s lubrication system. It is responsible for conveying oil level information from the oil pan to the oil gauge on the dashboard. By providing real-time data on oil levels and pressure, it allows for continuous monitoring of the engine’s lubrication status. This monitoring is vital for maintaining optimal engine performance and preventing issues that may arise from insufficient lubrication ².

Key Features

The Cummins 3919938 Oil Gauge Tube is engineered with precision to ensure reliable performance. It is constructed from high-quality materials that offer durability and resistance to the harsh conditions within an engine environment. The design of the tube ensures accurate transmission of oil level data, contributing to the overall efficiency and reliability of the engine’s lubrication system.

Benefits

Utilizing the Cummins 3919938 Oil Gauge Tube offers several advantages. It provides accurate oil level readings, which are important for maintaining proper engine lubrication. This accuracy enhances engine protection by ensuring that lubrication needs are met consistently. Additionally, it supports improved maintenance practices by allowing for timely oil level checks and adjustments, thereby contributing to the longevity and performance of the engine.

Installation and Compatibility

Proper installation of the Cummins 3919938 Oil Gauge Tube is important for its effective operation. It is designed to be compatible with specific Cummins engines, ensuring a seamless integration into the lubrication system. Installation guidelines should be followed to ensure the tube is correctly positioned and secured, allowing for accurate oil level monitoring.

Maintenance and Troubleshooting

To ensure the Cummins 3919938 Oil Gauge Tube operates optimally, regular maintenance is recommended. This includes checking for any signs of wear or damage and ensuring the tube is free from obstructions. Common issues may include inaccurate readings or leaks, which can often be addressed by inspecting the tube for damage and ensuring all connections are secure.

Safety Considerations

When working with the Cummins 3919938 Oil Gauge Tube, it is important to observe safety precautions. This includes proper handling to avoid damage to the tube and ensuring all inspections and maintenance procedures are conducted with the engine off and cool to prevent injury. In the event of a malfunction, such as a leak or inaccurate readings, it is advisable to consult the vehicle’s manual or a professional technician for guidance on corrective actions.

Compatibility of Oil Gauge Tube Part 3919938 with Cummins Engines

The Oil Gauge Tube part number 3919938, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part is important for monitoring oil levels and ensuring the engine’s health by providing accurate readings to the driver.

6B5.9 and C8.3 G Engines

The Oil Gauge Tube part 3919938 is compatible with both the 6B5.9 and C8.3 G engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The part’s design ensures it integrates smoothly with the engine’s oil system, providing precise oil level readings.

C GAS PLUS CM556 and ISC CM554 Engines

Similarly, the Oil Gauge Tube part 3919938 fits the C GAS PLUS CM556 and ISC CM554 engines. These engines are part of Cummins’ lineup of gas engines, known for their efficiency and power. The part’s compatibility with these engines ensures that the oil level monitoring system functions effectively, contributing to the overall maintenance and longevity of the engine.

Installation and Functionality

When installing the Oil Gauge Tube part 3919938, it is important to follow the manufacturer’s guidelines to ensure proper fitment and functionality. The part is designed to connect to the engine’s oil pan, allowing it to accurately measure the oil level and transmit this information to the vehicle’s dashboard. This feature is important for preventing engine damage due to low oil levels.

Role of Part 3919938 Oil Gauge Tube in Engine Systems

The part 3919938 Oil Gauge Tube is integral to the accurate measurement and monitoring of oil levels within an engine system. It works in conjunction with the oil level sensor and the gauge to provide real-time data on the oil status.

Interaction with Oil Level Sensor

The Oil Gauge Tube is directly connected to the oil level sensor. As the engine operates, the tube allows oil to reach the sensor, which then measures the oil level. This interaction ensures that the sensor receives an accurate representation of the oil volume within the engine.

Connection to the Gauge

Once the oil level is measured by the sensor, the information is transmitted through the Oil Gauge Tube to the gauge. This gauge, typically located on the dashboard, displays the oil level to the user. The tube acts as a conduit, ensuring that the data is accurately and promptly relayed.

Ensuring System Integrity

By maintaining a consistent and reliable connection between the oil level sensor and the gauge, the Oil Gauge Tube plays a role in the overall integrity of the engine’s oil monitoring system. It helps in preventing oil-related issues by ensuring that the oil level is constantly and accurately monitored.

Conclusion

The Cummins 3919938 Oil Gauge Tube is a critical component in the maintenance and operation of heavy-duty truck engines. Its accurate measurement and monitoring of oil levels contribute significantly to engine efficiency, protection, and longevity. Proper installation, regular maintenance, and adherence to safety precautions are essential for ensuring the optimal performance of this Cummins part.