3945796
Dipstick
Cummins®

The Cummins 3945796 Dipstick is a component designed for use in commercial trucks, specifically for monitoring engine oil levels. Its role is significant in ensuring the proper functioning and longevity of the engine by allowing for accurate and regular checks of oil levels ¹.

Basic Concepts of a Dipstick

A dipstick is a simple yet vital tool used in internal combustion engines to measure the level of lubricant, typically oil, within the engine ². It consists of a long, thin metal or plastic rod with graduated markings. When inserted into the engine’s oil sump and then withdrawn, the level of oil adhering to the dipstick provides an indication of the oil level within the engine. This measurement is crucial for maintaining optimal engine performance and preventing damage due to insufficient lubrication ³.

Purpose of the Cummins 3945796 Dipstick

This Cummins part is specifically engineered to measure oil levels in Cummins engines found in commercial trucks. By providing a clear and accurate reading of the oil level, it plays a role in the engine’s lubrication system by ensuring that there is adequate oil to lubricate moving parts, cool the engine, and clean the interior surfaces.

Key Features

The Cummins 3945796 Dipstick is characterized by its robust design and the use of high-quality materials, ensuring durability and reliability in demanding commercial truck environments. Its design includes a handle for easy grip and removal, and the rod is marked with clear, easy-to-read graduations for precise oil level measurement. Additionally, the dipstick may feature a unique shape or coating to enhance its performance and longevity.

Benefits

Using the Cummins 3945796 Dipstick offers several advantages. Its design ensures accurate measurement of oil levels, which is vital for maintaining engine health. The materials used in its construction contribute to its durability, allowing it to withstand the rigors of commercial truck use. Furthermore, its ease of use makes routine oil level checks straightforward, promoting regular maintenance and potentially extending the engine’s lifespan.

Troubleshooting and Maintenance

To ensure the Cummins 3945796 Dipstick functions optimally, it is important to address any issues promptly. Common problems may include difficulty in reading the oil level or the dipstick becoming stuck. Regular cleaning of the dipstick can prevent buildup that may affect readings. Additionally, inspecting the dipstick tube for damage or leaks can help maintain accurate oil level measurements.

Installation and Usage

Installing the Cummins 3945796 Dipstick involves inserting it fully into the dipstick tube until it reaches the bottom, then withdrawing it to check the oil level. It is important to wipe the dipstick clean between readings to ensure accuracy. When reinstalling, ensure it is fully seated to prevent oil leaks. Regular checks, as per the manufacturer’s recommendations, are advised to maintain optimal engine performance.

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 is renowned for its commitment to quality, innovation, and customer satisfaction. The company’s extensive range of products and services caters to a variety of industries, underscoring its reputation as a leader in the field of engine technology.

Cummins Dipstick Part 3945796 Compatibility

The Cummins part number 3945796, a Dipstick, is designed to be compatible with several engine models. This part is essential for checking the oil level in the engine, ensuring that the engine operates smoothly and efficiently. Below are the engines that this dipstick fits:

ISL CM554

The ISL CM554 engine is part of the Cummins ISL series, known for its robust performance and reliability. The dipstick part 3945796 is specifically engineered to fit seamlessly into the oil system of the ISL CM554, providing accurate readings and ease of use.

QSL9 CM554

The QSL9 CM554 engine is another model in the Cummins lineup that benefits from the use of the dipstick part 3945796. This engine is designed for heavy-duty applications, and the dipstick ensures that operators can easily monitor the oil levels, which is crucial for maintaining engine health.

Group Compatibility

The dipstick part 3945796 is not limited to just the ISL CM554 and QSL9 CM554 engines. It is part of a broader group of Cummins engines that share similar oil systems and design specifications. This compatibility ensures that the dipstick can be used across multiple engine models, providing a versatile solution for engine maintenance.

By ensuring that the dipstick part 3945796 fits these engines, Cummins maintains a high standard of quality and reliability, making it easier for operators to perform routine maintenance checks.

Role of Part 3945796 Dipstick in Engine Systems

The part 3945796 dipstick is an essential component in the accurate measurement and monitoring of oil levels within an engine system. It interfaces directly with the oil level gauge, ensuring that the engine operates within optimal parameters.

Interaction with Oil Level Gauge

The dipstick is designed to be inserted into the engine’s oil filler tube, where it comes into contact with the engine oil. Once removed, the oil level can be read directly from the markings on the dipstick. This data is then cross-referenced with the oil level gauge, which provides a visual or digital representation of the oil quantity.

Ensuring Proper Oil Levels

Maintaining the correct oil level is vital for the lubrication of moving parts within the engine. The dipstick facilitates this by offering a straightforward method to check oil levels regularly. When the oil level is low, the dipstick indicates this through its markings, prompting the operator to add more oil. Conversely, if the oil level is too high, the dipstick will also show this, preventing potential engine damage from overfilling.

Integration with Engine Systems

In more advanced engine systems, the dipstick may be part of a more integrated oil management system. Here, it not only serves as a manual check tool but also interfaces with sensors that can provide real-time data to the engine control unit (ECU). This allows for automated alerts and adjustments, enhancing the overall efficiency and reliability of the engine system.

Maintenance and Inspection

Regular inspection of the dipstick itself is also important. Wear and tear can affect its accuracy, so it should be checked for any signs of damage or contamination. Ensuring the dipstick is clean and in good condition is part of routine engine maintenance, contributing to the longevity and performance of the engine system.

Conclusion

The Cummins 3945796 Dipstick plays a crucial role in maintaining the health and efficiency of Cummins engines in commercial trucks. Its design, compatibility with various engine models, and integration with engine systems highlight its importance in engine maintenance and performance. Regular use and maintenance of this part ensure that engines operate within optimal parameters, contributing to their longevity and reliability.