3915879
Dipstick
Cummins®

Introduction

The Cummins 3915879 Dipstick is a component designed for use in heavy-duty trucks, specifically for monitoring engine oil levels. Its role is significant in the maintenance and operation of these vehicles, ensuring that the engine operates within optimal lubrication conditions.

Basic Concepts of a Dipstick

A dipstick is a tool used to measure the level of a fluid, such as oil, within an engine. It operates by being inserted into the engine’s oil sump and then withdrawn to observe the oil level marked on the stick. This simple yet effective mechanism allows for quick assessments of fluid levels, which are crucial for the engine’s performance and longevity ¹.

Purpose of the Cummins 3915879 Dipstick

This Cummins part serves to indicate the oil level within the engine, playing a role in ensuring that engine components receive adequate lubrication. Proper lubrication is vital for reducing friction, wear, and heat within the engine, contributing to its efficient operation and durability.

Key Features

The 3915879 is characterized by its specific design and material properties. It features precise markings for accurate oil level readings, is constructed from durable materials to withstand the harsh conditions within an engine, and is designed to fit securely within the engine’s oil sump.

Benefits of Using the Cummins 3915879 Dipstick

Utilizing this part offers several advantages. It provides improved accuracy in fluid level readings, is easy to use, and is specifically designed for compatibility with Cummins engines. These features contribute to more effective engine maintenance and operation.

Installation Process

To install the 3915879, first, ensure the engine is turned off and has cooled down. Locate the dipstick tube, remove the old dipstick if present, and insert the new dipstick fully into the tube. Ensure it is seated correctly and securely in place.

Routine Maintenance

Regular maintenance of the dipstick involves cleaning it after each use to remove any oil residue, inspecting it for signs of wear or damage, and replacing it if necessary. This practice helps maintain the accuracy of oil level readings and the overall health of the engine.

Troubleshooting Common Issues

Common issues with dipsticks include inaccurate readings and physical damage. Inaccurate readings may be due to incorrect installation or contamination, while damage can occur from wear or improper handling. Addressing these issues promptly by cleaning, re-installing, or replacing the dipstick as needed can help maintain engine performance.

Compatibility and Usage

The 3915879 is designed for use with specific Cummins engines. It is important to consult the vehicle’s manual or a professional to ensure compatibility and proper usage. Specific usage notes or precautions may apply, depending on the engine model.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a broad product range, Cummins is renowned for its quality and reliability in the automotive and heavy-duty truck industry.

Compatibility of Cummins Dipstick 3915879

The Cummins dipstick part number 3915879 is designed to be compatible with a range of Cummins engines, ensuring accurate oil level readings and maintenance ease. This dipstick is engineered to fit seamlessly with the following engine models:

• 6C8.3: This engine model benefits from the precise measurements provided by the 3915879 dipstick, facilitating efficient maintenance and ensuring optimal engine performance.
• ISC CM554: The ISC CM554 engine is another beneficiary of the 3915879 dipstick. Its design ensures that users can easily and accurately check oil levels, contributing to the longevity and reliability of the engine.

These engines, while distinct in their specifications and applications, share a commonality in their requirement for precise oil level monitoring. The 3915879 dipstick’s compatibility with these models underscores its versatility and importance in maintaining engine health.

Role of Part 3915879 Dipstick in Engine Systems

This part is an essential component in the maintenance and monitoring of engine systems, particularly in relation to the oil level gauge.

When the dipstick is inserted into the engine, it provides a direct measurement of the oil level within the crankcase. This measurement is then conveyed to the oil level gauge, which displays the current state of the oil—whether it is at the optimal level, low, or overfilled.

The dipstick’s design allows it to be easily removed and reinserted, facilitating regular checks without the need for more invasive procedures. This regular monitoring ensures that the engine is always operating with the correct amount of oil, which is vital for lubrication, cooling, and overall engine health.

Conclusion

In summary, the 3915879 dipstick works in conjunction with the oil level gauge to provide engineers and mechanics with a simple yet effective way to monitor and maintain the engine’s oil levels, ensuring smooth and efficient operation.