3920720
Oil Gauge Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$439.95 $523.54

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

Introduction

The Oil Level Gauge Tube 3920720 is a component manufactured by Cummins, a well-established name in the automotive industry, particularly known for its robust engine components. This gauge tube is designed to provide accurate oil level readings, which is vital for the proper operation and maintenance of commercial trucks. Cummins’ reputation for quality and innovation ensures that this component is built to meet the demanding requirements of heavy-duty applications 1.

Basic Concepts of Oil Level Gauge Tubes

An Oil Level Gauge Tube facilitates the measurement of oil levels within an engine. It is connected to the oil level sensor and extends into the oil sump. The tube allows the sensor to accurately detect the oil level, which is then displayed on the vehicle’s dashboard. Maintaining proper oil levels is important for engine lubrication, cooling, and overall performance 2. Without accurate readings, it becomes challenging to ensure that the engine is operating within safe parameters.

Purpose and Role in Truck Operation

The Oil Level Gauge Tube 3920720 is specifically designed for use in commercial truck engines. Its purpose is to provide precise oil level readings, which helps in monitoring the engine’s condition and ensuring it operates efficiently. By maintaining accurate oil levels, the gauge tube contributes to the engine’s longevity and reliability, reducing the risk of engine wear or damage due to insufficient lubrication 3.

Key Features

The Oil Level Gauge Tube 3920720 is constructed from high-quality materials that offer durability and resistance to the harsh conditions found in commercial truck engines. Its design includes features such as a corrosion-resistant coating and a robust construction that ensures longevity. Additionally, the tube is engineered to fit seamlessly with Cummins engines, ensuring compatibility and ease of installation.

Benefits

Using the Oil Level Gauge Tube 3920720 offers several advantages. The accuracy of the oil level readings it provides helps in maintaining optimal engine performance. Its durable construction ensures a long service life, reducing the need for frequent replacements. Furthermore, the design of the tube allows for straightforward installation, minimizing downtime during maintenance procedures.

Installation Process

Installing the Oil Level Gauge Tube 3920720 requires careful attention to ensure proper function. The process involves removing the old gauge tube, if present, and inserting the new one into the oil sump. It is important to use the correct tools and follow safety precautions to avoid damage to the engine or injury to the installer. Detailed instructions should be consulted to ensure a correct and safe installation.

Maintenance and Troubleshooting

Regular maintenance of the Oil Level Gauge Tube 3920720 is important to ensure its continued accurate operation. This includes checking for any signs of wear or damage and ensuring that the tube is securely in place. Common issues may include inaccurate readings, which can often be resolved by cleaning the tube or sensor. If problems persist, consulting a professional technician is recommended.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a full line of power generation and related technologies. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the automotive industry. The company’s commitment to excellence is reflected in its wide range of engine components, including the Oil Level Gauge Tube 3920720, which is designed to meet the rigorous demands of commercial truck applications.

Cummins Oil Level Gauge Tube (Part 3920720) Compatibility

The Cummins Oil Level Gauge Tube, identified by part number 3920720, is a component in maintaining the operational integrity of several engine models. This part is designed to provide an accurate reading of the oil level within the engine, ensuring that the engine operates within optimal parameters.

Engine Compatibility

6B5.9, B5.9 G, B5.9 GAS PLUS CM556

The 3920720 Oil Level Gauge Tube is compatible with the 6B5.9, B5.9 G, and B5.9 GAS PLUS CM556 engines. These engines are part of the Cummins B-Series family, known for their robust design and reliability in various applications. The compatibility of this part ensures that users can maintain accurate oil level monitoring across these engine models, which is crucial for preventing engine damage due to insufficient lubrication.

ISB CM550

The ISB CM550 engine also benefits from the use of the 3920720 Oil Level Gauge Tube. This engine is part of the Cummins ISB series, which is widely used in heavy-duty applications due to its power and efficiency. Ensuring the correct oil level is vital for the longevity and performance of the ISB CM550 engine, making this part an essential component for maintenance and operation.

Installation and Usage

While the specific installation procedures for the 3920720 Oil Level Gauge Tube may vary depending on the engine model, the general process involves:

  1. Removing the Old Tube: Disconnect the old oil level gauge tube from the engine.
  2. Installing the New Tube: Insert the new 3920720 Oil Level Gauge Tube into the designated port on the engine.
  3. Securing the Tube: Ensure the tube is properly secured to prevent leaks and maintain an accurate reading.
  4. Checking the Oil Level: After installation, verify the oil level using the gauge tube to ensure it is within the recommended range.

Importance of Accurate Oil Level Monitoring

Maintaining the correct oil level is crucial for the health of any engine. The 3920720 Oil Level Gauge Tube ensures that users can easily and accurately monitor the oil level, which helps in:

  • Preventing engine wear and tear
  • Ensuring optimal engine performance
  • Extending the lifespan of the engine
  • Avoiding potential engine failures due to insufficient lubrication

By using the 3920720 Oil Level Gauge Tube, engine operators can confidently maintain their engines, knowing that they have a reliable tool for monitoring oil levels across multiple engine models.

Role of Part 3920720 Oil Level Gauge Tube in Engine Systems

The 3920720 Oil Level Gauge Tube is an integral component in the accurate measurement and monitoring of oil levels within an engine system. This tube facilitates the connection between the oil reservoir and the oil level gauge, ensuring that the gauge receives a precise reading of the oil level.

In the context of an engine system, the gauge tube works in conjunction with the oil level sensor to provide real-time data on the oil level. This data is vital for maintaining optimal engine performance and preventing potential damage due to low oil levels. The tube allows oil to flow into the gauge, where the sensor detects the oil level and transmits this information to the dashboard display.

The accurate measurement provided by the 3920720 Oil Level Gauge Tube helps in timely oil changes and ensures that the engine is always operating with the correct amount of lubrication. This, in turn, contributes to the longevity and efficiency of the engine system.

Conclusion

The Oil Level Gauge Tube 3920720 by Cummins is a critical component for maintaining the health and efficiency of commercial truck engines. Its accurate oil level readings, durable construction, and ease of installation make it an invaluable tool for engine maintenance. By ensuring proper oil levels, this Cummins part contributes to the longevity and reliability of the engine, ultimately supporting the overall performance and safety of the vehicle.


  1. Hilgers, Michael. Fuel Consumption and Consumption Optimization, Second Edition. Springer Nature, 2023.

  2. Halderman, James D. Automotive Principles: Diagnosis and Service. Prentice Hall, 2012.

  3. Bari, Saiful. Diesel Engine Combustion, Emissions and Condition Monitoring. InTech, 2013.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
57.0 x 0.5 x 0.5 in
Weight
0.18 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.