3973007
Oil Gauge Tube
Cummins®

Introduction

The Cummins 3973007 Oil Gauge Tube is a component designed for use in commercial trucks. It serves a specific function within the engine’s lubrication system, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and operation is key to maintaining the health and performance of the truck’s engine.

Basic Concepts of Oil Gauge Tubes

An oil gauge tube is a component that facilitates the measurement and monitoring of oil levels within an engine. It is part of the lubrication system, which is vital for reducing friction between moving parts, dissipating heat, and removing contaminants ¹. The oil gauge tube allows for the accurate assessment of oil levels, ensuring that the engine remains properly lubricated under various operating conditions.

Purpose of the 3973007 Oil Gauge Tube

The 3973007 Oil Gauge Tube plays a role in the operation of a truck by providing a means to monitor the oil level within the engine. It ensures that the engine maintains adequate lubrication, which is necessary for the smooth operation of mechanical components and the prevention of wear and damage ². By offering a clear indication of oil levels, it aids in the timely identification of potential issues, allowing for proactive maintenance and reducing the risk of engine failure.

Key Features

The 3973007 Oil Gauge Tube is characterized by several features that enhance its performance. Its design is tailored to fit specific engine models, ensuring a secure and precise fit. The materials used in its construction are chosen for their durability and resistance to the high temperatures and pressures within the engine environment. Additionally, it may include features such as a sealed connection to prevent oil leaks and a robust construction to withstand the rigors of commercial truck operation.

Benefits

Utilizing the 3973007 Oil Gauge Tube offers several advantages. It contributes to improved engine performance by ensuring consistent lubrication, which is crucial for the longevity of engine components. Its durable construction and precise design enhance the reliability of oil level monitoring, providing truck operators with confidence in the engine’s condition. Furthermore, the accurate monitoring of oil levels can lead to more efficient engine operation and potentially extend the intervals between oil changes ³.

Installation Process

Installing the 3973007 Oil Gauge Tube involves several steps to ensure it is correctly positioned and functions as intended. The process requires specific tools and equipment, and it is important to follow safety precautions to protect both the installer and the engine. Detailed instructions should be consulted to perform the installation correctly, ensuring that all connections are secure and that the tube is properly aligned with the engine’s oil system.

Troubleshooting Common Issues

Common issues with the 3973007 Oil Gauge Tube may include inaccurate oil level readings or leaks. These problems can often be traced to installation errors, wear and tear, or damage to the tube. Troubleshooting steps may involve checking the installation, inspecting the tube for signs of damage, and ensuring that all connections are tight and secure. Addressing these issues promptly can prevent more serious engine problems and maintain the efficiency of the lubrication system.

Maintenance Tips

Regular maintenance of the 3973007 Oil Gauge Tube is important for ensuring its optimal performance and longevity. This includes periodic cleaning to remove any buildup that may affect its operation, inspection for signs of wear or damage, and replacement according to the manufacturer’s guidelines or when signs of failure are observed. Proper maintenance not only ensures the accurate monitoring of oil levels but also contributes to the overall health and efficiency of the engine.

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 product range includes a variety of engines and components designed to meet the demanding requirements of commercial transportation, emphasizing reliability, performance, and efficiency.

Cummins Oil Gauge Tube 3973007 Compatibility

The Cummins Oil Gauge Tube part number 3973007 is designed to fit seamlessly into the engine’s oil system, ensuring accurate oil level readings and maintaining engine health. This part is compatible with various Cummins engine models, including but not limited to:

• ISC Series Engines: ISC CM2150, ISC CM554, ISC CM850, ISC8.3 CM2250
• ISL Series Engines: ISL CM2150, ISL CM554, ISL G CM2180, ISL9 CM2150 SN, ISL9 CM2250
• QSC Series Engines: QSC8.3 CM554
• QSL Series Engines: QSL8.9 CM2150 L141, QSL9 CM2250, QSL9 CM2350 L102, QSL9 CM850 (CM2850)
• Other Cummins Engines: B6.7 CM2350, B135B, L8.9, L8.9 L121, L8.9G CMOH2.0 L125B

This compatibility ensures that operators can maintain optimal oil levels, which is crucial for engine performance and longevity.

Role of Part 3973007 Oil Gauge Tube in Engine Systems

The part 3973007 Oil Gauge Tube is a component in the accurate measurement and monitoring of oil levels within an engine system. It works in conjunction with the dipstick and oil level gauge to ensure that the engine maintains optimal lubrication.

Integration with Dipstick

The Oil Gauge Tube is designed to interface directly with the dipstick. When the dipstick is inserted into the tube, it provides a physical connection that allows for the measurement of oil levels. The tube guides the dipstick to the correct depth, ensuring that the oil level reading is accurate. This interaction is fundamental for routine maintenance checks, where the dipstick is used to visually inspect the oil level and condition.

Functionality with Oil Level Gauge

In systems equipped with an oil level gauge, the Oil Gauge Tube plays a pivotal role in transmitting the oil level data from the sensor to the gauge. The tube houses the sensor that detects the oil level and sends this information to the gauge, which then displays the oil level in the instrument cluster. This setup allows for real-time monitoring of the oil level, providing immediate feedback to the operator about the engine’s lubrication status.

Ensuring System Integrity

By accurately measuring and displaying the oil level, the Oil Gauge Tube helps maintain the integrity of the engine system. Proper lubrication is essential for reducing friction and wear on moving parts, and the Oil Gauge Tube ensures that the oil level is consistently monitored and maintained within the required parameters. This component is integral to the overall health and performance of the engine, facilitating timely interventions when oil levels are low or when there are discrepancies in the system.

Conclusion

The Cummins 3973007 Oil Gauge Tube is a vital component in the maintenance and operation of commercial truck engines. Its role in accurately monitoring oil levels ensures that engines remain properly lubricated, reducing wear and enhancing performance. Regular maintenance and proper installation are crucial for the optimal functioning of this part, contributing to the longevity and efficiency of the engine.