3973948
Dipstick
Cummins®

The Cummins 3973948 Dipstick is a specialized component designed for use in commercial trucks. Its purpose is to facilitate the monitoring of oil levels within the engine, ensuring that the engine operates within optimal conditions. This part is significant in the maintenance routine of commercial trucks, as it allows for precise and reliable checks of oil levels, which is vital for the longevity and performance of the engine.

Basic Concepts of a Dipstick

A dipstick is a thin, graduated metal or plastic rod used to measure the level of fluid in an engine. It functions by being inserted into a tube that leads to the bottom of the fluid reservoir. Once inserted and then withdrawn, the level of fluid on the dipstick indicates the amount of fluid present. This tool plays a role in monitoring fluid levels by providing a visual and tactile means to assess whether the fluid is within the required range ¹.

Purpose of the Cummins 3973948 Dipstick

The Cummins 3973948 Dipstick serves a specific role in the operation and maintenance of commercial trucks. It is primarily used for checking oil levels in the engine. By providing an accurate reading of the oil level, it enables technicians to ensure that the engine has sufficient lubrication, which is necessary for reducing friction and wear on engine components. Regular checks with this dipstick help in maintaining the engine’s efficiency and prolonging its operational life ².

Key Features

The Cummins 3973948 Dipstick is characterized by its robust design and the materials used in its construction. It is made from high-quality steel, which enhances its durability and resistance to corrosion. The dipstick features clear markings for easy reading of oil levels and a handle for safe and easy insertion and removal. Its design ensures that it fits securely within the engine’s dipstick tube, providing a reliable seal that prevents oil leaks.

Benefits

Using the Cummins 3973948 Dipstick offers several benefits. Its accurate measurement capabilities ensure that oil levels are consistently monitored, which is important for engine health. The durability of the dipstick means it can withstand the harsh conditions typical of commercial truck environments. Additionally, its ease of use makes it a practical tool for routine maintenance checks.

Installation and Usage

Proper installation and usage of the Cummins 3973948 Dipstick involve a few straightforward steps. First, ensure the vehicle is on a level surface to get an accurate reading. Remove the dipstick from its tube, wipe it clean, reinsert it fully, and then withdraw it to check the oil level. For accurate readings, it is best practice to check the oil level when the engine is warm but not hot, and to wipe the dipstick with a clean cloth between readings to ensure clarity.

Troubleshooting and Maintenance

Common issues with dipsticks may include difficulty in reading the oil level or the dipstick becoming stuck in the tube. To address these, ensure the dipstick is fully seated when taking a reading and use a gentle twisting motion if it seems stuck. Regular maintenance of the dipstick involves keeping it clean and checking for any signs of wear or damage that could affect its accuracy or functionality.

Safety Considerations

When using the Cummins 3973948 Dipstick, it is important to follow safety considerations to ensure personal safety and the integrity of the engine. Always allow the engine to cool before checking the oil level to avoid burns. Handle the dipstick carefully to prevent injury from sharp edges, and store it in a safe place when not in use to avoid contamination or damage.

Cummins 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 has established itself as a key player in the commercial truck industry, known for its commitment to quality and innovation in automotive components. The company’s products, including the Cummins 3973948 Dipstick, are designed with a focus on reliability, performance, and durability, reflecting Cummins’ dedication to excellence in the automotive sector.

Cummins Dipstick 3973948 Compatibility with QSC and QSL Engines

The Cummins dipstick part number 3973948 is designed to fit seamlessly with several models of QSC and QSL engines, ensuring accurate and reliable oil level checks. This dipstick is specifically engineered to work with the following engine types:

QSC8.3 CM850 (CM2850)

The dipstick 3973948 is compatible with the QSC8.3 CM850 (CM2850) engine. This engine is known for its robust performance and reliability, making it a popular choice for various applications. The dipstick ensures that oil levels are maintained within the optimal range, contributing to the engine’s longevity and efficiency.

QSC9 CM2250 / QSL9 CM2250

The dipstick 3973948 also fits the QSC9 CM2250 and QSL9 CM2250 engines. These engines are part of the Cummins QSC and QSL series, which are renowned for their durability and power. The dipstick’s precise fit ensures that users can easily and accurately check oil levels, which is crucial for maintaining the engine’s performance and preventing potential damage.

QSL9 CM2350 L102

Lastly, the dipstick 3973948 is compatible with the QSL9 CM2350 L102 engine. This engine is designed to deliver high performance and efficiency, making it suitable for demanding applications. The dipstick’s compatibility with this engine ensures that users can maintain the oil levels effectively, contributing to the engine’s overall health and reliability.

By using the Cummins dipstick 3973948 with these engines, users can ensure that their oil levels are consistently monitored and maintained, which is essential for the engines’ optimal performance and longevity.

Role of Part 3973948 Dipstick in Engine Systems

The part 3973948 Dipstick is an essential component in maintaining the health and performance of engine systems. Its primary function is to provide a means for checking the oil level within the engine. This is achieved through a simple yet effective mechanism that allows mechanics and engineers to visually assess the amount of oil present.

When the dipstick is inserted into the engine’s oil filler tube and then withdrawn, the oil level can be observed on the dipstick itself. This reading is typically compared against the minimum and maximum marks located on the dipstick. Accurate oil level readings are important for ensuring that the engine is neither overfilled nor underfilled, both of which can lead to performance issues and potential damage.

In conjunction with the oil level gauge, the dipstick offers a straightforward method for monitoring oil condition. The gauge, often part of the vehicle’s dashboard instrumentation, may also rely on data from the dipstick to provide real-time oil level information to the driver. This integration enhances the overall monitoring system, allowing for more informed decisions regarding oil changes and maintenance schedules.

Furthermore, the dipstick plays a role in the oil change process. During an oil change, the dipstick is removed to allow for the draining of old oil from the engine. Once the new oil is added, the dipstick is reinserted to verify that the oil level is correct before the engine is started.

Conclusion

In summary, the Cummins 3973948 Dipstick is a fundamental component in the maintenance and operation of engine systems, facilitating accurate oil level assessment and contributing to the longevity and efficiency of the engine.