3944248
Dipstick
Cummins®

The Cummins 3944248 Dipstick is a component designed for use in commercial trucks, specifically for monitoring engine oil levels. Its role in the maintenance routine of these vehicles is significant, as it allows for the accurate assessment of oil levels, which is vital for the proper functioning and longevity of the engine ¹.

Basic Concepts of a Dipstick

A dipstick is a simple yet essential tool in the lubrication system of an engine. It consists of a long, thin metal or plastic rod with graduated markings. The dipstick is inserted into the engine’s oil sump and then withdrawn to check the oil level against these markings. This process helps ensure that the engine has the correct amount of lubrication, which is necessary for reducing friction, cooling moving parts, and cleaning the interior of the engine ².

Purpose of the Cummins 3944248 Dipstick

The Cummins 3944248 Dipstick is specifically engineered for use in commercial trucks. It plays a role in the operation and maintenance of these vehicles by providing a means to check the oil levels accurately. Proper oil levels are necessary to ensure the engine operates efficiently and to prevent damage from insufficient lubrication ³.

Key Features

The Cummins 3944248 Dipstick is characterized by its robust design and the materials used in its construction. It is made from high-quality steel, which offers durability and resistance to the high temperatures and pressures within an engine. The dipstick’s design includes a handle for easy gripping and a tapered tip that fits snugly into the oil sump, ensuring accurate readings.

Benefits

Using the Cummins 3944248 Dipstick offers several advantages. Its design ensures accurate oil level measurement, which is crucial for maintaining engine health. The materials used in its construction contribute to its durability, making it resistant to wear and corrosion. Additionally, the dipstick is easy to use, with a straightforward process for checking oil levels.

Installation and Usage

To install and use the Cummins 3944248 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 out the dipstick, wipe it clean with a lint-free cloth, reinsert it fully, and then pull it out again to check the oil level. The oil should be between the minimum and maximum marks on the dipstick.

Maintenance Tips

To ensure the longevity and reliable performance of the Cummins 3944248 Dipstick, regular maintenance is recommended. This includes cleaning the dipstick after each use to remove any oil residue and inspecting it for signs of wear or damage. If the dipstick becomes bent or shows signs of corrosion, it should be replaced to maintain accurate oil level readings.

Troubleshooting Common Issues

Common issues with dipsticks include inaccurate readings and physical damage. Inaccurate readings can often be resolved by ensuring the dipstick is fully seated in the tube and by checking for any obstructions. Physical damage, such as bending or corrosion, may require replacement of the dipstick to ensure accurate measurements and prevent potential engine damage.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins plays a significant role in the commercial truck industry, providing reliable and efficient components that contribute to the performance and durability of commercial vehicles.

Cummins Engine Dipstick Compatibility

The Cummins part number 3944248, which is a Dipstick, is designed to be compatible with several Cummins engine models. This dipstick is an essential tool for checking the oil level in the engine, ensuring that the engine is properly lubricated and functioning optimally.

Compatible Engines

• 6B5.9
• ISB CM550
• QSB5.9 44 CM550

The dipstick is engineered to fit seamlessly into the specified engine models, providing an accurate reading of the oil level. This compatibility ensures that users can maintain their engines effectively without the need for additional or alternative parts.

Grouping of Compatible Engines

For ease of reference, the engines can be grouped based on their model series:

• 6B5.9
• QSB5.9 44 CM550
• ISB CM550

By grouping the engines in this manner, it becomes clear that the dipstick is versatile and can be used across different engine series, enhancing its utility and convenience for users.

Role of Part 3944248 Dipstick in Engine Systems

The part 3944248 Dipstick is an essential component in the maintenance and monitoring of engine systems. It interfaces directly with the oil level gauge to provide accurate readings of the engine’s oil level.

When the dipstick is inserted into the engine’s oil filler tube, it collects a sample of the engine oil. Upon removal, the oil level can be read from the markings on the dipstick, which correspond to minimum and maximum oil levels. This data is then relayed to the oil level gauge, allowing for precise monitoring of the engine’s lubrication status.

The dipstick also plays a role in the overall health of the engine by ensuring that the oil level remains within the specified range. Proper oil levels are necessary for effective lubrication of moving parts, heat dissipation, and contamination removal.

Conclusion

In summary, the Cummins 3944248 Dipstick is integral to the accurate assessment and maintenance of engine oil levels, directly influencing the engine’s performance and longevity. Its robust design, compatibility with various Cummins engine models, and ease of use make it a valuable tool for maintaining the health and efficiency of commercial truck engines.