3937749
Oil Gauge Tube
Cummins®

Introduction

The Cummins 3937749 Oil Gauge Tube is a component designed for use in heavy-duty 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 significance is fundamental for maintaining optimal engine performance.

Basic Concepts of Oil Gauge Tubes

An oil gauge tube is a part of the engine lubrication system that facilitates the measurement of oil levels within the engine. It connects to the oil gauge, allowing for the visual monitoring of oil levels. This monitoring is vital for ensuring that the engine maintains adequate lubrication, which is necessary for reducing friction, dissipating heat, and protecting engine components from wear and damage ¹.

Purpose of the Cummins 3937749 Oil Gauge Tube

The Cummins 3937749 Oil Gauge Tube plays a role in the operation of a truck by providing accurate oil level measurements. It ensures that the engine receives the proper amount of lubrication, which is crucial for its efficient operation and longevity. By maintaining accurate oil levels, the tube helps in preventing engine damage due to insufficient lubrication and supports the overall performance of the truck.

Key Features

This Cummins part is constructed from materials that offer durability and resistance to the harsh conditions within an engine. Its design specifications are tailored to fit seamlessly within the engine’s lubrication system, ensuring compatibility and efficient operation. Unique attributes of this oil gauge tube may include precision engineering for accurate oil level readings and a robust construction that enhances its performance and longevity in demanding applications.

Benefits

Utilizing the Cummins 3937749 Oil Gauge Tube offers several advantages. It provides improved accuracy in oil level readings, which is beneficial for maintaining optimal engine lubrication. This, in turn, enhances engine protection by ensuring that all moving parts are adequately lubricated, reducing the risk of wear and damage. Additionally, the reliability of the Cummins 3937749 Oil Gauge Tube contributes to the overall dependability of heavy-duty trucks, making it a valuable component for fleet operators and maintenance professionals.

Installation and Compatibility

For the Cummins 3937749 Oil Gauge Tube to function correctly, it must be installed according to manufacturer guidelines. This includes ensuring compatibility with specific truck models or engine types to guarantee proper fitment and operation. Adhering to these guidelines helps maintain the integrity of the engine’s lubrication system and ensures the oil gauge tube operates as intended.

Troubleshooting and Maintenance

To maintain the Cummins 3937749 Oil Gauge Tube in optimal condition, regular inspection and maintenance are recommended. This includes checking for any signs of wear or damage and ensuring that the oil gauge tube is securely installed. Troubleshooting common issues may involve verifying the accuracy of oil level readings and addressing any discrepancies promptly to prevent potential engine problems.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the automotive industry, known for its commitment to producing high-quality components for heavy-duty trucks. With a rich history and a reputation for excellence, Cummins continues to innovate and provide reliable solutions for the transportation sector, ensuring that their products meet the demanding requirements of modern heavy-duty applications ².

Compatibility of Cummins Oil Gauge Tube Part 3937749

The Cummins Oil Gauge Tube part number 3937749 is designed to integrate seamlessly with several Cummins engine models, ensuring accurate oil pressure readings and maintaining engine health. This part is essential for monitoring the oil system’s performance, providing critical data to the engine operator.

ISB CM550 Engines

The ISB CM550 engine series, known for its robust performance and reliability, incorporates the Oil Gauge Tube part 3937749. This part is engineered to fit precisely within the engine’s oil system, ensuring that it can accurately measure and display oil pressure levels. The compatibility of this part with the ISB CM550 engines ensures that operators can rely on precise and consistent readings, which are vital for maintaining engine efficiency and longevity.

Grouping of Compatible Engines

While the primary focus here is on the ISB CM550 engines, it is important to note that the Oil Gauge Tube part 3937749 is also compatible with other Cummins engine models that share similar design and operational characteristics. This part’s design allows it to fit into various engine configurations, providing a standardized solution for oil pressure monitoring across multiple engine types.

By ensuring that the Oil Gauge Tube part 3937749 is correctly installed, engine operators can benefit from accurate oil pressure readings, which are crucial for preventing engine damage and ensuring optimal performance.

Role of Part 3937749 Oil Gauge Tube in Engine Systems

The 3937749 Oil Gauge Tube is an integral component in the accurate measurement and monitoring of oil levels within an engine system. It works in conjunction with the dipstick and oil gauge to provide precise readings of the oil level, ensuring that the engine operates within safe parameters.

Integration with the Dipstick

The Oil Gauge Tube is designed to interface directly with the dipstick. When the dipstick is inserted into the tube, it travels down to the oil sump, allowing for the measurement of the oil level. The tube guides the dipstick to the correct position, ensuring consistent and reliable readings. This interaction is essential for maintaining the correct oil level, which is vital for engine lubrication and cooling.

Connection to the Oil Gauge

The Oil Gauge Tube also plays a significant role in transmitting the oil level information to the oil gauge. As the dipstick is removed from the tube, it carries oil up with it, which is then measured by the gauge. The tube ensures that the oil level is accurately conveyed to the gauge, providing the operator with real-time data on the engine’s oil status. This information is used to make informed decisions regarding oil top-ups or changes, thereby contributing to the overall maintenance and longevity of the engine.

Ensuring Accurate Oil Level Readings

Accurate oil level readings are paramount for the health of the engine. The Oil Gauge Tube ensures that the dipstick is properly aligned and that the oil level is correctly measured. This precision helps in avoiding both overfilling and underfilling of oil, which can lead to engine damage. By providing a consistent and reliable pathway for the dipstick, the tube contributes to the engine’s efficient operation and durability.

Conclusion

The Cummins 3937749 Oil Gauge Tube is a critical component in the maintenance and operation of heavy-duty trucks. Its role in ensuring accurate oil level readings contributes to the engine’s efficiency, reliability, and longevity. Proper installation, regular maintenance, and understanding its compatibility with various Cummins engine models are essential for maximizing the benefits of this part.