4994901
Dipstick
Cummins®

The Cummins 4994901 Dipstick is a specialized component designed for use in heavy-duty trucks, specifically tailored to fit Cummins engines. Its primary function is to facilitate the measurement of oil levels within the engine, ensuring the lubrication system operates effectively. This part is significant in the maintenance and operation of heavy-duty trucks as it allows for regular checks of oil levels, which is a fundamental aspect of engine care and longevity ¹.

Basic Concepts of a Dipstick

A dipstick is a simple yet vital tool used in engines to measure the level of oil. It consists of a long, thin metal or plastic rod with a handle at one end. The other end is inserted into the engine’s oil sump. The dipstick functions by providing a means to draw out a sample of the engine oil, which can then be observed to determine the oil level. The design typically includes markings that indicate the minimum and maximum acceptable oil levels. This tool operates on the principle that maintaining the correct oil level is crucial for the lubrication of engine components, which in turn ensures efficient operation and longevity of the engine ².

Purpose of the 4994901 Dipstick

The Cummins 4994901 Dipstick serves a specific role in the operation of heavy-duty trucks. It is designed to measure the oil level within the engine, ensuring that there is sufficient lubrication for all moving parts. Proper lubrication is necessary to reduce friction, wear, and heat within the engine. By providing an accurate measurement of the oil level, this Cummins part helps in maintaining the engine’s performance and preventing damage that could arise from insufficient lubrication ³.

Key Features

The Cummins 4994901 Dipstick is characterized by several design elements and materials that enhance its performance and durability. It is constructed from high-quality materials to withstand the harsh conditions within an engine. The dipstick’s length is tailored to fit the specific design of Cummins engines, ensuring accurate readings. It features clear markings for oil level indicators, which are crucial for easy interpretation by the user. The construction of the dipstick is robust, designed to resist bending or breaking under normal use conditions.

Benefits of Using the 4994901 Dipstick

Utilizing the Cummins 4994901 Dipstick offers several advantages. Its design ensures accuracy in oil level measurement, which is vital for maintaining engine health. The ease of use, thanks to its clear markings and sturdy construction, makes it a practical tool for regular maintenance checks. Additionally, its compatibility with Cummins engines ensures that it fits securely and functions as intended, providing reliable performance.

Installation and Usage

To properly install and use the Cummins 4994901 Dipstick, follow these steps: First, ensure the truck is on a level surface and the engine is off to obtain an accurate reading. Remove the dipstick from its tube, wipe it clean with a lint-free cloth, and reinsert it fully into the tube. After a few seconds, remove it again to check the oil level against the markings. For the most accurate reading, it is recommended to check the oil level when the engine is cold. Regular use of the dipstick as part of a maintenance routine helps in monitoring oil levels and ensuring the engine remains well-lubricated.

Troubleshooting and Maintenance

Common issues with the Cummins 4994901 Dipstick may include inaccurate readings or physical damage. Inaccurate readings can often be resolved by ensuring the dipstick is fully seated in its tube and that the engine is on a level surface when checking the oil level. Physical damage, such as bending or breaking, may require replacement of the dipstick. Regular maintenance, such as cleaning the dipstick before and after use, can help prevent issues and ensure longevity and reliable performance.

Role in Preventive Maintenance

Incorporating the use of the Cummins 4994901 Dipstick into a preventive maintenance program for heavy-duty trucks is beneficial. Regular checks of the oil level using this dipstick help in identifying potential issues before they lead to engine damage. Maintaining the correct oil level is a key aspect of engine care, contributing to the efficient operation and extended life of the engine. This practice is a simple yet effective way to support the overall health and performance of heavy-duty trucks.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a history of innovation and a commitment to quality, Cummins serves customers in approximately 190 countries and territories through a network of company-owned and independent distributor facilities and dealerships. The company’s product range includes engines, filtration, emissions solutions, and powertrain-related components, all designed to meet the demanding requirements of various industries, including heavy-duty trucking. Cummins’ dedication to innovation and quality ensures that its products, like the 4994901 Dipstick, are reliable and effective in their intended applications.

Cummins Engine Dipstick 4994901 Compatibility

The Cummins engine dipstick part number 4994901 is designed to fit a range of Cummins engines, ensuring accurate oil level readings and facilitating proper maintenance. This dipstick is compatible with the following engines:

• ISB CM2150
• ISB6.7 CM2250
• ISB6.7 CM2350 B101

For the ISB CM2150 and ISB6.7 CM2250 engines, the dipstick 4994901 provides a reliable method to check the oil level, ensuring that the engine operates smoothly and efficiently. These engines are known for their robust performance and reliability, making the dipstick an essential tool for maintenance.

The ISB6.7 CM2350 B101 engine also benefits from the use of the 4994901 dipstick. This engine variant is designed for heavy-duty applications, and the dipstick ensures that oil levels are maintained within the optimal range, contributing to the longevity and performance of the engine.

Role of 4994901 Dipstick in Engine Systems

The 4994901 Dipstick is an essential component in the maintenance and monitoring of engine systems. Its primary function is to provide a means for checking the oil level within the engine. This is achieved through its interaction with the Oil Level Gauge system.

When the dipstick is inserted into the engine’s oil filler tube, it comes into contact with the oil. The dipstick has markings that indicate the minimum and maximum oil levels. By withdrawing the dipstick and observing where the oil level lies in relation to these markings, technicians can assess whether the oil level is within the acceptable range.

The dipstick also plays a role in the Oil Level Gauge system, which is an electronic or mechanical device designed to provide a real-time reading of the oil level. In systems where an Oil Level Gauge is employed, the dipstick may be equipped with a sensor or float mechanism. As the oil level changes, this mechanism moves accordingly, sending signals to the gauge. The gauge then displays the current oil level, allowing for continuous monitoring without the need to manually check the dipstick.

Furthermore, the dipstick aids in the overall health assessment of the engine. By regularly checking the oil level and condition (looking for signs of contamination or degradation), technicians can identify potential issues early, such as oil leaks or excessive oil consumption, which may indicate wear or damage within the engine.

Conclusion

In summary, the Cummins 4994901 Dipstick is integral to the proper functioning and maintenance of engine systems. It ensures that the oil level is maintained within the required parameters, supports the operation of the Oil Level Gauge, and contributes to the early detection of engine issues. Regular use of this part in maintenance routines is crucial for the longevity and performance of heavy-duty truck engines.