3938059
Dipstick
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,099.95 $1,308.94

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

The Cummins 3938059 Dipstick is a component designed for use in heavy-duty trucks, playing a role in the maintenance and operation of these vehicles by facilitating the measurement of oil levels. Its significance lies in ensuring that the engine receives adequate lubrication, which is vital for the longevity and performance of the truck 1.

Basic Concepts of a Dipstick

A dipstick is a tool used to measure the level of a liquid, typically oil, within an engine. It functions by being inserted into the oil reservoir and then withdrawn to observe the oil level marked on the stick. The design of a dipstick generally includes a long, slender rod with measurement markings and often a handle for easy gripping. The principles behind its use involve simple mechanics and visual assessment to determine if the oil level is within the required range 2.

Purpose of the 3938059 Dipstick

The 3938059 Dipstick serves to measure the oil level within the engine of a truck. This measurement is crucial for ensuring that the engine maintains proper lubrication, which helps in reducing friction between moving parts, dissipating heat, and preventing wear and tear. By providing an accurate reading of the oil level, this dipstick aids in maintaining the engine’s efficiency and durability 3.

Key Features

The Cummins 3938059 Dipstick is characterized by its robust material composition, typically made from high-quality steel to withstand the harsh conditions within an engine. Its design includes precise measurement markings for accurate oil level assessment. Additionally, it may feature a handle for ease of use and a sealed end to prevent oil leakage when installed.

Benefits of Using the 3938059 Dipstick

Utilizing the 3938059 Dipstick offers several advantages. Its design ensures accuracy in oil level measurement, which is fundamental for engine health. The durability of its materials means it can withstand the rigors of heavy-duty truck operation. Furthermore, its ease of use simplifies the process of checking oil levels, making maintenance more straightforward for operators.

Installation Process

To install the 3938059 Dipstick, begin by ensuring the engine is cool to avoid burns. Locate the dipstick tube, usually found near the engine’s top. Remove the old dipstick by unscrewing it from the tube. Insert the new 3938059 Dipstick into the tube until it reaches the bottom, then withdraw it slightly to get an accurate reading. Screw it back in place securely.

Routine Maintenance

Regular maintenance of the 3938059 Dipstick involves cleaning it after each use to remove any oil residue, which can affect the accuracy of future readings. Inspect the dipstick for any signs of wear or damage, such as bends or cracks, and replace it if necessary to ensure reliable operation.

Troubleshooting Common Issues

Common issues with the 3938059 Dipstick may include inaccurate oil level readings or physical damage to the dipstick itself. Inaccurate readings can often be resolved by ensuring the dipstick is properly seated in the tube and by cleaning it thoroughly before use. Physical damage may require replacement of the dipstick to maintain accurate measurements.

Compatibility and Usage

The 3938059 Dipstick is designed for specific types of engines and vehicles, with usage guidelines that ensure it fits correctly and functions as intended. It’s important to consult the vehicle’s manual or Cummins’ specifications to confirm compatibility and to follow any specific usage instructions provided.

Safety Considerations

When using and maintaining the 3938059 Dipstick, it’s important to observe safety precautions. Ensure the engine is cool before checking the oil level to avoid burns. Use caution when handling the dipstick to prevent injury from sharp edges or hot surfaces. Always follow the manufacturer’s guidelines for safe operation and maintenance.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel engines and related components. With a strong reputation in the automotive industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction, providing reliable products that meet the demanding needs of heavy-duty applications.

Cummins Dipstick Part 3938059 Compatibility

The Cummins dipstick part number 3938059 is designed to be compatible with a range of Cummins engines, ensuring accurate and reliable oil level readings. This dipstick is engineered to fit seamlessly into the engine’s oil system, providing essential information for maintenance and operational checks.

Engine Compatibility

  • 6B5.9 Series: The dipstick part 3938059 is specifically designed to fit the 6B5.9 engine series. This engine is known for its robust performance and reliability, often used in various industrial and commercial applications. The dipstick ensures that users can easily and accurately check the oil levels, which is crucial for maintaining the engine’s performance and longevity.

  • Other Cummins Engines: While the primary focus is on the 6B5.9 series, the dipstick part 3938059 is also compatible with other Cummins engines. This compatibility extends to various models where the engine design and oil system specifications align with the dipstick’s design. Ensuring that the dipstick fits correctly across different models helps maintain consistency in maintenance practices and reduces the risk of errors during oil level checks.

Installation and Usage

The installation of the Cummins dipstick part 3938059 is straightforward, designed to fit snugly into the designated oil level check port on the engine. Proper installation is critical to ensure accurate readings and prevent oil contamination. Users should follow the manufacturer’s guidelines for installation and usage to maintain the integrity of the engine’s oil system.

Importance of Accurate Oil Level Readings

Accurate oil level readings are essential for the proper functioning of any engine. The dipstick part 3938059, being specifically designed for Cummins engines, ensures that users can reliably check the oil levels, helping to prevent engine damage due to low oil levels and ensuring optimal performance. Regular checks using this dipstick are a fundamental part of engine maintenance routines.

Role of Part 3938059 Dipstick in Engine Systems

The part 3938059 dipstick is an essential component in the accurate measurement and monitoring of the oil level within an engine system. When inserted into the oil filler tube, it provides a direct means for mechanics and engineers to assess the current oil level. This is achieved by the dipstick’s ability to be coated with oil upon withdrawal, allowing for a visual and tactile evaluation against the marked measurements on the stick itself.

In conjunction with the oil level gauge, the dipstick offers a simple yet effective method for ensuring that the engine maintains optimal lubrication. The gauge, often part of the vehicle’s dashboard instrumentation, may indirectly rely on the information obtained from the dipstick to inform the driver or mechanic of the oil status. Regular checks with the dipstick help prevent oil starvation, which can lead to increased friction, overheating, and potential engine damage.

Moreover, the dipstick’s role extends beyond mere measurement. It also serves as a diagnostic tool, as the condition of the oil (color, consistency) observed on the dipstick can indicate the overall health of the engine’s lubrication system. Contaminants or unusual colors may signal issues such as coolant mixing with oil, which could point to a more serious problem like a blown head gasket.

In summary, the part 3938059 dipstick is integral to the maintenance and monitoring of engine oil levels, working in tandem with other components to ensure the engine operates within safe parameters.

Conclusion

The Cummins 3938059 Dipstick is a critical component for maintaining the health and efficiency of heavy-duty truck engines. Its role in accurately measuring oil levels ensures that engines receive the necessary lubrication to operate smoothly and efficiently. Regular maintenance and proper use of this dipstick are essential for the longevity and performance of the vehicle.


  1. Zhao, H. (2010). Advanced Direct Injection Combustion Engine Technologies and Development Volume 2 Diesel Engines. CRC Press.

  2. Hilgers, M. (2023). The Diesel Engine Second Edition. Springer Nature.

  3. Miedema, S. A., & Lu, Z. (2010). The Dynamic Behavior of a Diesel Engine. Published by Drir S. A. Miedema.

SPECIFICATIONS

Package Dimensions
21.0 x 1.25 x 1.25 in
Weight
0.25 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.