3975694
Dipstick
Cummins®

The Cummins 3975694 Dipstick is a specialized component designed for use in commercial trucks. It plays a role in the maintenance and operation of these vehicles by allowing for the accurate measurement of engine oil levels. Ensuring the correct oil level is maintained is fundamental to the efficient and reliable operation of a truck’s engine, making the dipstick an indispensable tool for both routine maintenance and diagnostic procedures ¹.

Basic Concepts of a Dipstick

A dipstick is a simple yet effective tool used in internal combustion engines to measure the level of lubricant within the engine. 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 is then removed, and the oil level is assessed by observing the oil mark on the stick, which should fall between the minimum and maximum marks indicated. This process allows for the monitoring of oil levels, ensuring that the engine is adequately lubricated, which is vital for its performance and longevity ².

Purpose of the Cummins 3975694 Dipstick

This Cummins part is specifically engineered to facilitate the checking of oil levels in Cummins engines found in commercial trucks. Its role is to provide a precise measurement of the oil within the engine, enabling technicians and operators to maintain optimal oil levels. This is achieved through the dipstick’s design, which allows for easy insertion into the engine’s oil sump and accurate reading of the oil level upon removal.

Key Features

The 3975694 is characterized by several key features that enhance its functionality and durability. It is constructed from high-quality materials to withstand the harsh conditions within a truck’s engine compartment. The dipstick is designed with clear, easy-to-read markings for minimum and maximum oil levels, ensuring accurate measurements. Additionally, its robust construction ensures longevity, even under the demanding conditions typical of commercial truck operations.

Benefits

Utilizing the 3975694 offers several advantages. Its design ensures accuracy in fluid level measurement, which is critical for maintaining engine health. The ease of use, thanks to its straightforward design and clear markings, allows for quick and efficient oil level checks. Furthermore, by ensuring the engine is properly lubricated, the dipstick contributes to the engine’s longevity and performance, reducing the risk of engine wear and potential failures.

Troubleshooting and Maintenance

Common issues with dipsticks may include inaccurate readings due to contamination or damage to the dipstick. Regular inspection and cleaning of the dipstick can help maintain its accuracy. If damage is detected, replacement is recommended to ensure reliable oil level readings. Proper maintenance of the dipstick, including keeping it free from debris and ensuring it is correctly seated in the engine, is vital for its optimal performance.

Installation and Usage

The installation and usage of the 3975694 involve several steps to ensure safety and accuracy. First, the engine should be turned off and allowed to cool to avoid burns from hot oil. The dipstick should be removed from its tube, wiped clean, reinserted fully, and then removed again to check the oil level. It is important to ensure the dipstick is correctly seated in its tube to obtain an accurate reading. Regular checks, as per the manufacturer’s recommendations, are advised to maintain optimal engine lubrication.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and performance in the commercial truck industry. Its product range includes engines and components designed for efficiency, durability, and ease of maintenance, catering to the needs of commercial vehicle operators worldwide.

Cummins Dipstick Part 3975694 Compatibility

The Cummins part number 3975694, which is a dipstick, is designed to be compatible with several engine models. This dipstick is essential for checking the oil level in the engine, ensuring that the engine operates smoothly and efficiently. Below are the engine models that this dipstick fits:

Cummins 6B5.9 Engine

The Cummins 6B5.9 engine is a well-known model in the Cummins lineup, often used in various industrial and commercial applications. The dipstick part 3975694 is specifically engineered to fit this engine model, allowing for accurate and easy oil level checks.

Cummins QSB5.9 30 and CM550 Engines

The Cummins QSB5.9 30 and CM550 engines are part of the Cummins QSB series, which is designed for a variety of applications, including agricultural, industrial, and marine uses. The dipstick part 3975694 is compatible with both these engine models, ensuring that users can maintain their engines with ease.

By using the dipstick part 3975694, owners and operators of these engines can ensure that their engines are properly lubricated, which is crucial for maintaining engine performance and longevity.

Role of Part 3975694 Dipstick in Engine Systems

Part 3975694, a dipstick, is integral to the functionality of various engine systems. It works in conjunction with the oil level gauge to ensure the engine operates within optimal parameters.

The dipstick is inserted into the engine’s oil sump, allowing it to measure the oil level accurately. This measurement is then relayed to the oil level gauge, which provides a visual or digital readout for the operator.

Maintaining the correct oil level is essential for lubricating moving parts, cooling the engine, and cleaning internal components. The dipstick facilitates this by offering a simple yet effective method for checking oil levels during routine maintenance.

In more advanced systems, the dipstick may also interact with sensors that monitor oil quality and contamination levels, providing additional data for engine management systems. This integration enhances the overall reliability and performance of the engine ³.

Conclusion

The Cummins 3975694 Dipstick is a critical component for maintaining the health and efficiency of Cummins engines in commercial trucks. Its design ensures accurate oil level measurements, contributing to engine longevity and performance. Regular maintenance and proper usage of this part are essential for optimal engine operation.