3939136
Oil Gauge Tube
Cummins®

The Cummins Oil Gauge Tube, part number 3939136, is a critical component designed for monitoring oil levels within heavy-duty truck engines. This part is essential for the engine’s lubrication system, ensuring oil levels are maintained within the optimal range for efficient engine operation. Cummins, a reputable manufacturer in the automotive and heavy-duty truck industry, produces this component with a focus on reliability and performance.

Basic Concepts of Oil Gauge Tubes

An oil gauge tube is a component within the engine lubrication system that allows for the measurement and indication of the oil level. It connects to the oil reservoir and provides a pathway for the oil to reach the gauge, which displays the current oil level. Accurate oil level readings are vital for maintaining proper lubrication of engine components, which supports engine efficiency and longevity ¹.

Purpose of the 3939136 Oil Gauge Tube

The 3939136 Oil Gauge Tube serves a specific role in the operation of a truck by monitoring oil levels and ensuring that engine components receive adequate lubrication. This part helps in maintaining the correct oil level, which is necessary for the smooth operation of the engine. By providing accurate oil level readings, it aids in the prevention of engine wear and potential damage due to insufficient lubrication ².

Key Features

The 3939136 Oil Gauge Tube is characterized by its robust design and the materials used in its construction, which contribute to its performance and durability. It is engineered to withstand the demanding conditions within a heavy-duty truck engine, ensuring reliable operation over time. Unique characteristics of this tube may include its precise fitting and the use of high-quality materials that resist corrosion and wear.

Benefits

Utilizing the 3939136 Oil Gauge Tube offers several advantages, including improved accuracy in oil level readings. This accuracy supports enhanced engine protection by ensuring that lubrication is maintained at optimal levels. Additionally, the reliability of this component contributes to the overall dependability of heavy-duty truck operations, reducing the likelihood of engine-related issues due to improper oil levels ³.

Installation

Proper installation of the 3939136 Oil Gauge Tube involves several steps to ensure correct fitting and functionality. It is important to use the necessary tools and follow best practices to avoid damage to the component or the engine. Precautions should be taken to ensure that the tube is securely fitted and that all connections are tight to prevent oil leaks.

Maintenance and Troubleshooting

Routine maintenance of the 3939136 Oil Gauge Tube is important for ensuring its longevity and optimal performance. This may include regular checks for signs of wear or damage, ensuring that connections remain tight, and addressing any issues promptly. Common problems that may arise include inaccurate readings or leaks, which can often be resolved through careful inspection and adjustment or replacement of the tube if necessary.

Cummins Overview

Cummins Inc. is a leading manufacturer in the automotive and heavy-duty truck industry, known for its wide range of products and strong reputation for quality and reliability. With a history of innovation and commitment to customer satisfaction, Cummins continues to be a trusted name in the production of engine components and systems.

Cummins Oil Gauge Tube 3939136 Compatibility

The Cummins Oil Gauge Tube part number 3939136 is designed to fit seamlessly into various engine models, ensuring accurate oil pressure readings and maintaining engine health. This part is compatible with the following engines:

• 6B5.9
• QSB5.9 30 CM550
• QSB5.9 44 CM550

These engines, while differing in specifications and applications, share a common requirement for precise oil pressure monitoring. The Oil Gauge Tube 3939136 is engineered to integrate smoothly into these engines, providing reliable performance and ease of installation.

Role of Part 3939136 Oil Gauge Tube in Engine Systems

The part 3939136 Oil Gauge Tube is a critical component in the accurate measurement and monitoring of oil levels within an engine system. It works in conjunction with several other components to ensure the engine operates efficiently and safely.

Interaction with the Dipstick

The Oil Gauge Tube interfaces directly with the dipstick, a slender metal or plastic rod used to check the oil level in the engine. When the dipstick is inserted into the tube, it provides a physical measurement of the oil level. The dipstick is then removed, and the oil level is read against the markings on the dipstick. The Oil Gauge Tube ensures that the dipstick is correctly positioned and that the oil level readings are accurate.

Connection to the Gauge

The Oil Gauge Tube is also connected to the oil level gauge, which is typically located on the dashboard of the vehicle. This gauge provides a visual indication of the oil level to the driver. The tube transmits the oil level information from the engine to the gauge, allowing for real-time monitoring. This connection ensures that any fluctuations in oil level are immediately visible, enabling prompt action if the oil level falls below the safe operating range.

Ensuring Accurate Oil Level Readings

Accurate oil level readings are vital for the health and performance of the engine. The Oil Gauge Tube plays a significant role in this process by providing a consistent and reliable pathway for the dipstick and gauge to interact. It helps prevent oil leaks and ensures that the oil level sensor, if present, receives accurate data. This, in turn, allows the engine control unit (ECU) to make necessary adjustments to maintain optimal engine performance.

Supporting Engine Longevity

By ensuring accurate oil level readings, the Oil Gauge Tube supports the longevity and efficiency of the engine. Proper oil levels are essential for lubrication, cooling, and cleaning within the engine. The Oil Gauge Tube, therefore, contributes to the overall maintenance and reliability of the engine system.

Conclusion

The Cummins Oil Gauge Tube, part number 3939136, plays a vital role in the maintenance and operation of heavy-duty truck engines. By ensuring accurate oil level readings, this component supports engine efficiency, longevity, and reliability. Proper installation, maintenance, and understanding of its function are essential for maximizing the benefits of this critical engine component.