4989839
Dipstick
Cummins®

The Cummins 4989839 Engine Oil Dipstick is a component designed for use in heavy-duty trucks. Its purpose is to facilitate the monitoring of engine oil levels, which is a significant aspect of routine maintenance. Ensuring the correct oil level is maintained helps in preserving engine performance and longevity.

Basic Concepts of Engine Oil Dipsticks

An engine oil dipstick is a tool used to measure the amount of oil within an engine. It consists of a long metal or plastic rod with a handle at one end. The rod is inserted into the engine’s oil sump through a tube. Once inserted and then removed, the oil level can be read from the markings on the dipstick. This process is a fundamental part of engine maintenance, allowing for the assessment of oil quantity and condition ¹.

Purpose of the Cummins 4989839 Engine Oil Dipstick

This Cummins part plays a specific role in the operation and maintenance of a truck’s engine by providing a means to check the oil level accurately. This is important for ensuring that the engine is lubricated properly, which in turn helps to reduce wear on engine components and maintain efficient operation.

Key Features

The 4989839 is characterized by its robust design and the materials used in its construction. It is typically made from high-quality steel to withstand the high temperatures and pressures within an engine environment. The dipstick may also feature a bright handle for easy visibility and a tapered end to ensure a snug fit within the dipstick tube, which aids in providing accurate readings.

Benefits of Using the Cummins 4989839 Engine Oil Dipstick

Using this part offers several advantages. It provides accurate oil level readings, which are crucial for maintaining the engine’s health. The durability of the dipstick ensures it can withstand the rigors of heavy-duty truck use. Additionally, its design contributes to ease of use, making it a practical tool for regular maintenance checks.

Troubleshooting and Maintenance Suggestions

Common issues with engine oil dipsticks can include inaccurate readings or difficulty in insertion and removal. To address these, it is important to ensure the dipstick is clean and free from debris before use. Regular inspection for signs of wear or damage is also recommended. If the dipstick becomes bent or shows signs of significant wear, replacement is advised to maintain accurate oil level readings.

Installation and Usage

Proper installation of the 4989839 involves ensuring it is fully seated in the dipstick tube. To use, the engine should be turned off and allowed to settle for a few minutes to ensure an accurate reading. The dipstick is then removed, wiped clean, reinserted fully, and removed again to check the oil level against the markings. It is important to follow safety precautions, such as allowing the engine to cool before checking the oil level, to avoid burns from hot engine components.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, related technologies, and services. With a history spanning over a century, Cummins has established a reputation for quality and reliability in the manufacturing of automotive components, particularly for heavy-duty trucks. The company’s commitment to innovation and customer satisfaction has made it a preferred choice among professionals in the industry.

Engine Oil Dipstick Compatibility with Cummins Engines

The Cummins Engine Oil Dipstick part number 4989839 is designed to fit seamlessly with several models of Cummins engines. This part ensures accurate and reliable oil level readings, which is crucial for maintaining engine health and performance. Here are the Cummins engines that are compatible with this dipstick:

QSB6.7 Series

• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 CM850 (CM2850)

The QSB6.7 series engines are known for their robust performance and reliability in various applications, from agricultural machinery to industrial equipment. The dipstick part 4989839 is engineered to fit these engines, providing an easy and effective way to check the oil level.

QSB7 Series

• QSB7 CM2880 B117

The QSB7 series engines are part of Cummins’ lineup of high-performance diesel engines. The dipstick part 4989839 is compatible with the QSB7 CM2880 B117 engine, ensuring that users can easily monitor their oil levels and maintain the engine’s optimal condition.

By using the Cummins Engine Oil Dipstick part number 4989839, owners and operators of these engines can ensure that their equipment runs smoothly and efficiently. This dipstick is a critical component for maintaining the health of these engines, providing a straightforward method for checking oil levels and preventing potential engine damage due to low oil.

Role of Part 4989839 Engine Oil Dipstick in Engine Systems

This part is an essential component in the maintenance and monitoring of engine systems. It works in conjunction with several key components to ensure the engine operates efficiently and remains in optimal condition.

Interaction with the Oil Level

The primary function of the Engine Oil Dipstick is to provide a means of checking the oil level within the engine. When inserted into the oil filler tube, the dipstick comes into direct contact with the engine oil. Upon removal, the oil level can be read from the markings on the dipstick, indicating whether the oil is within the safe operating range. This interaction is vital for preventing oil starvation, which can lead to severe engine damage due to insufficient lubrication.

Relationship with the Gauge

In some engine systems, the dipstick may be paired with an oil level gauge or sensor. This gauge can provide a more precise reading of the oil level, often displayed on the vehicle’s dashboard. The dipstick serves as a physical interface that the gauge relies on for accurate measurements. Regular checks using the dipstick ensure that the gauge readings remain reliable and that any discrepancies can be promptly addressed.

Ensuring Proper Lubrication

By accurately indicating the oil level, the Engine Oil Dipstick plays a significant role in ensuring that the engine components, such as the crankshaft, camshaft, pistons, and bearings, receive adequate lubrication. Proper lubrication is essential for reducing friction and wear, maintaining engine efficiency, and prolonging the lifespan of the engine.

Facilitating Oil Changes

During an oil change, the dipstick is used to verify that the new oil has been correctly added to the engine. After adding the recommended amount of oil, the dipstick is checked to ensure the level is within the acceptable range. This step is important for maintaining the engine’s performance and protecting it from potential damage due to incorrect oil levels.

Detecting Contaminants

The dipstick can also help in detecting contaminants in the engine oil. When the dipstick is removed, the oil on the dipstick can be inspected for signs of contamination, such as metal particles, which may indicate wear on engine components. Early detection of such contaminants allows for timely maintenance, preventing more significant issues down the line.

Conclusion

In summary, the 4989839 Engine Oil Dipstick is a fundamental component in the engine system, working alongside the oil level and gauge to ensure the engine remains well-lubricated, efficiently monitored, and properly maintained.