4943986
Dipstick
Cummins®

The Cummins 4943986 Dipstick is a component designed for use in heavy-duty trucks equipped with Cummins engines. It serves a vital role in the maintenance and operation of these vehicles by allowing for the accurate measurement of engine oil levels. Proper lubrication is fundamental to the longevity and efficiency of an engine, making the dipstick an important tool for ensuring that oil levels are maintained within the manufacturer’s specified range ¹.

Basic Concepts of a Dipstick

A dipstick is a simple yet essential tool used in internal combustion engines to check the level of engine oil. It consists of a long, slender 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 Once inserted and then withdrawn, the oil level can be read from the markings on the dipstick, which indicate the minimum and maximum oil levels. This process helps ensure that the engine has sufficient lubrication to operate efficiently and avoid damage ².

Purpose of the Cummins 4943986 Dipstick

The Cummins 4943986 Dipstick is specifically engineered to fit Cummins engines, providing a means to measure the oil level accurately. Its role in the operation of a truck is to facilitate regular checks of the oil level, ensuring that the engine remains properly lubricated. Adequate lubrication is necessary to reduce friction between moving parts, dissipate heat, and prevent wear and tear, thereby contributing to the engine’s overall performance and durability ³.

Key Features

This Cummins part is characterized by its robust design and the use of high-quality materials, ensuring durability and accuracy. It features clear markings for oil level indication, making it easy to read and interpret. The dipstick is also designed to withstand the high temperatures and pressures within the engine compartment, ensuring reliable performance over time.

Benefits of Using the Cummins 4943986 Dipstick

Utilizing the Cummins 4943986 Dipstick offers several advantages. Its precise measurement capabilities ensure that oil levels are accurately maintained, which is crucial for engine health. The dipstick’s durable construction means it can withstand the rigors of heavy-duty truck operation, providing long-lasting service. Additionally, its straightforward design makes it easy to use, facilitating quick and efficient oil level checks.

Installation and Usage

To install and use the Cummins 4943986 Dipstick, follow these steps: First, ensure the vehicle is on a level surface and the engine is off. Locate the dipstick tube, usually found near the engine’s center. Pull the dipstick out completely, wipe it clean with a lint-free cloth, reinsert it fully, and then pull it out again to check the oil level. Compare the oil level to the markings on the dipstick to determine if the oil needs to be topped up.

Maintenance and Care

Maintaining the Cummins 4943986 Dipstick involves regular cleaning to remove any oil buildup that could affect accuracy. After each use, wipe the dipstick clean with a lint-free cloth. Inspect the dipstick periodically for signs of wear or damage, such as bending or corrosion, and replace it if necessary to ensure accurate readings and reliable performance.

Troubleshooting Common Issues

Common issues with dipsticks include inaccurate readings and physical damage. Inaccurate readings may be due to a bent dipstick or incorrect installation. Ensure the dipstick is fully seated in its tube and check for any signs of bending. Physical damage, such as cracks or severe corrosion, may require replacement of the dipstick to maintain accurate oil level measurements.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins is renowned for its innovation, quality, and commitment to customer success. The company offers a wide range of products for various applications, including heavy-duty trucks, where reliability and performance are paramount.

Cummins Engine Dipstick Compatibility

The Cummins part number 4943986, which is a Dipstick, is designed to fit seamlessly with several engine models. This dipstick is essential for checking the oil level in the engine, ensuring that the engine operates smoothly and efficiently.

B3.3 Engines

The B3.3 engine series benefits from the use of the 4943986 dipstick. This part ensures that the oil level is maintained at optimal levels, which is crucial for the longevity and performance of the engine.

QSB3.3 Engines

Similarly, the QSB3.3 engine series is compatible with the 4943986 dipstick. This dipstick is engineered to provide accurate readings, ensuring that the engine’s oil level is always within the recommended range.

QSB3.3 CM2150 Engines

The QSB3.3 CM2150 engine also utilizes the 4943986 dipstick. This part is crucial for maintaining the engine’s oil level, ensuring that the engine operates smoothly and efficiently. The dipstick’s design allows for easy and precise oil level checks, which is vital for the engine’s performance and longevity.

These engines, while differing in some specifications, share the commonality of requiring the 4943986 dipstick for oil level monitoring. This compatibility ensures that the dipstick can be used across multiple engine models, simplifying maintenance and ensuring consistent performance.

Role of Part 4943986 Dipstick in Engine Systems

The part 4943986 dipstick is an integral component in the accurate measurement and monitoring of the oil level within an engine system. When inserted into the oil filler neck, it provides a direct interface for the oil level gauge to assess the quantity of oil present. This interaction ensures that the gauge can deliver precise readings, which are essential for maintaining optimal engine performance.

The dipstick’s design allows it to be easily removed and reinserted, facilitating regular checks of the oil level. This process is fundamental in preventing oil starvation, which can lead to increased friction and wear on engine components. Additionally, the dipstick helps in identifying any contamination or degradation of the oil, signaling the need for an oil change.

In conjunction with the oil level gauge, the dipstick plays a significant role in the overall health monitoring of the engine. The gauge relies on the dipstick to provide consistent and reliable data, ensuring that the engine operates within safe parameters. This symbiotic relationship between the dipstick and the gauge underscores the importance of both components in the maintenance and longevity of engine systems.

Conclusion

The Cummins 4943986 Dipstick is a critical component for maintaining the health and efficiency of Cummins engines. Its accurate measurement capabilities, durable construction, and ease of use make it an indispensable tool for regular engine maintenance. By ensuring that oil levels are consistently monitored and maintained, this part contributes significantly to the longevity and performance of heavy-duty trucks.