3977857
Oil Gauge Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$139.95 $166.54

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 Cummins 3977857 Oil Gauge Tube is a component designed for use in commercial trucks. It plays a role in the engine’s operation by facilitating the accurate measurement of oil levels. This part ensures that the engine maintains optimal performance and longevity by providing precise oil level readings, which are necessary for the engine’s lubrication system 1.

Basic Concepts of Oil Gauge Tubes

An oil gauge tube is a component within an engine’s lubrication system that allows for the measurement of oil levels. It functions by connecting to the oil gauge on the dashboard, providing a visual indication of the oil level within the engine. This measurement is vital for ensuring that the engine has sufficient lubrication to operate efficiently and prevent damage from friction and heat 2.

Purpose of the Cummins 3977857 Oil Gauge Tube

The Cummins 3977857 Oil Gauge Tube aids in the operation of a truck by ensuring the accurate measurement of oil levels. This part ensures that the engine receives the correct amount of lubrication, which is necessary for maintaining engine performance and preventing wear. By providing precise oil level readings, it helps in the timely identification of low oil levels, allowing for prompt refills and reducing the risk of engine damage 3.

Key Features

The Cummins 3977857 Oil Gauge Tube is designed with several key features that enhance its functionality. It is constructed from durable materials to withstand the high temperatures and pressures within an engine. Its design ensures a secure fit within the engine, preventing leaks and ensuring accurate oil level readings. Additionally, it is engineered to be compatible with a range of truck models, making it a versatile component for fleet management.

Benefits

Using the Cummins 3977857 Oil Gauge Tube offers several benefits. It contributes to improved engine performance by ensuring accurate oil levels, which is necessary for efficient lubrication. This part also enhances the reliability of the engine, reducing the likelihood of unexpected breakdowns. Furthermore, its design facilitates ease of maintenance, allowing for straightforward installation and replacement when necessary.

Installation and Compatibility

Proper installation of the Cummins 3977857 Oil Gauge Tube is crucial for ensuring its effectiveness. It should be installed according to the manufacturer’s guidelines to ensure a secure fit and accurate oil level readings. Compatibility with various truck models is an important consideration, as it ensures that the part can be used across different fleets without the need for modifications.

Troubleshooting and Maintenance

Common issues with the Cummins 3977857 Oil Gauge Tube may include inaccurate oil level readings or leaks. Troubleshooting these issues involves checking the tube for proper installation and ensuring there are no obstructions or damage. Regular maintenance, such as inspecting the tube for wear and ensuring it is securely fitted, can help in maintaining optimal performance and longevity.

Cummins Overview

Cummins Inc. is a global leader in the manufacturing of engines and related technologies, with a strong reputation for quality and innovation. Founded in 1919, Cummins has a long history of providing reliable and efficient components for a wide range of applications, including commercial trucks. The company’s commitment to quality is evident in its products, which are designed to meet the demanding requirements of the automotive industry.

Cummins Oil Gauge Tube 3977857 Compatibility

The Cummins Oil Gauge Tube part number 3977857 is designed to fit seamlessly with several engine models, ensuring accurate oil pressure readings and maintaining engine health. This part is necessary for monitoring the oil system’s integrity, providing vital information to the engine operator.

Compatible Engines

  • 6B5.9 Series: The 3977857 oil gauge tube is specifically engineered to integrate with the 6B5.9 engines. This compatibility ensures that the oil pressure readings are precise, helping to prevent potential engine damage due to low oil pressure.

Installation and Functionality

When installed in the 6B5.9 engines, the oil gauge tube connects to the engine’s oil system, allowing it to measure the oil pressure directly. This connection is crucial for maintaining the engine’s operational efficiency and longevity. The tube is designed to withstand the high temperatures and pressures typical in engine environments, ensuring durability and reliability.

Importance of the Oil Gauge Tube

The oil gauge tube is an essential component for any engine, providing real-time data on the oil pressure. This information is critical for diagnosing potential issues before they escalate into major problems. Regular monitoring of the oil pressure can help in identifying leaks, pump failures, or other issues that could compromise engine performance.

Maintenance and Replacement

Proper maintenance of the oil gauge tube is vital. Regular checks should be performed to ensure that the tube is free from blockages and leaks. If any damage or wear is detected, the tube should be replaced promptly to maintain accurate oil pressure readings and prevent engine damage.

By ensuring that the Cummins Oil Gauge Tube 3977857 is correctly installed and maintained, engine operators can rely on accurate oil pressure readings, contributing to the overall health and efficiency of the 6B5.9 engines.

Role of Part 3977857 Oil Gauge Tube in Engine Systems

The part 3977857 Oil 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 gauge, ensuring that the gauge receives a consistent and reliable reading of the oil level.

In the context of an engine system, the Oil Gauge Tube works in conjunction with the oil level sensor to provide real-time data on the quantity of oil present. This information is vital for maintaining optimal engine performance and preventing potential damage due to low oil levels.

The tube is designed to withstand the pressures and temperatures within the engine compartment, ensuring durability and accuracy over time. It plays a significant role in the overall lubrication system, which includes the oil pump, oil filter, and various passageways throughout the engine block and head.

Accurate oil level readings provided by the Oil Gauge Tube allow for timely oil changes and maintenance, contributing to the longevity and efficiency of the engine. Additionally, it aids in the early detection of oil leaks or consumption issues, allowing for prompt intervention and repair.

Conclusion

The Cummins 3977857 Oil Gauge Tube is a critical component for maintaining the health and efficiency of commercial truck engines. Its role in providing accurate oil level readings ensures that engines receive the necessary lubrication to operate efficiently and prevent damage. Proper installation, maintenance, and compatibility with various engine models make this part a valuable asset for fleet management and engine longevity.


  1. Thompson, R. (2019). Automotive Maintenance: Light Repair. Cengage Learning.

  2. Hu, H., Baseley, S. J., & Song, X. (2021). Advanced Hybrid Powertrains for Commercial Vehicles Second Edition. SAE International.

  3. Fijalkowski, B. T. (2011). Automotive Mechatronics Operational and Practical Issues Volume 1. Springer.

SPECIFICATIONS

Package Dimensions
2.0 x 2.0 x 100.0 in
Weight
0.108 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.