3965025
Dipstick
Cummins®

The Cummins 3965025 Dipstick is a specialized component designed for use in heavy-duty trucks. Its purpose is to facilitate the measurement of oil levels within the engine, ensuring that the lubrication system operates effectively. This Cummins part is significant in the maintenance and operation of heavy-duty trucks, as it allows for regular checks and maintenance of oil levels, which is vital for the longevity and performance of the engine ¹.

Basic Concepts of a Dipstick

A dipstick is a simple yet essential tool used in engines to measure the level of lubricant, typically oil. It consists of a long, thin metal or plastic rod with a handle at one end. The rod is inserted into the engine’s oil sump through a tube. Once inserted and then withdrawn, the oil level can be read from the markings on the dipstick. This process allows for the assessment of whether the oil level is within the appropriate range, ensuring that engine components receive adequate lubrication ².

Purpose of the Cummins 3965025 Dipstick

The Cummins 3965025 Dipstick plays a role in the operation of a truck by enabling the measurement of oil levels and ensuring proper lubrication of engine components. Adequate lubrication is necessary to reduce friction between moving parts, which helps in maintaining engine efficiency and preventing wear and tear. By providing a means to check oil levels, this Cummins part supports the maintenance of optimal engine performance and longevity ³.

Key Features

The Cummins 3965025 Dipstick is designed with specific elements that enhance its performance and durability. It features a precise length to ensure it reaches the oil sump accurately. The handle is ergonomically designed for ease of use, allowing for comfortable and secure grip during operation. Additionally, the dipstick may include unique markings or indicators that provide clear and accurate readings of the oil level, facilitating straightforward interpretation by the user.

Benefits

Using the Cummins 3965025 Dipstick offers several advantages. It provides accuracy in oil level measurement, which is crucial for maintaining engine health. The design of the dipstick ensures ease of use, making it straightforward for operators to check oil levels regularly. Furthermore, its compatibility with Cummins engines ensures that it meets the specific requirements and standards of these robust engines, contributing to reliable performance.

Installation and Usage

To install and use the Cummins 3965025 Dipstick, follow these steps: First, ensure the truck is on a level surface and the engine is turned 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 withdraw it again to check the oil level. The oil should be between the minimum and maximum marks. If the level is low, add the recommended type of oil until it reaches the appropriate level.

Troubleshooting and Maintenance

Common issues with the Cummins 3965025 Dipstick may include inaccurate readings or physical damage. To address inaccurate readings, ensure the dipstick is fully inserted and wiped clean before each check. For physical damage, inspect the dipstick regularly and replace it if any bends or breaks are noticed. Regular maintenance of the dipstick and adhering to the manufacturer’s guidelines for oil level checks can ensure the longevity and reliable performance of the dipstick and the engine.

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 spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the automotive industry, particularly in the production of diesel engines and related components. The company’s commitment to excellence and customer satisfaction has made it a preferred choice for heavy-duty applications.

Cummins Engine Dipstick Compatibility

The Cummins part number 3965025, which is a Dipstick, is designed to fit into specific models of Cummins engines. This dipstick is integral for checking the oil level and ensuring the engine operates smoothly. Here is a detailed look at the compatibility of this dipstick with various Cummins engines:

6B5.9 and QSB5.9 30 CM550

The Cummins 6B5.9 and QSB5.9 30 CM550 engines are part of the smaller, more compact engine series. The dipstick 3965025 is engineered to fit these engines, ensuring accurate oil level readings. These engines are often used in smaller machinery and vehicles, making the dipstick a crucial component for maintenance.

QSB6.7 CM850 (CM2850)

The QSB6.7 CM850 (CM2850) engine is a more robust and powerful engine compared to the 6B5.9 and QSB5.9. The dipstick 3965025 is designed to fit this engine as well, providing reliable oil level checks. This engine is typically used in medium-duty applications, and the dipstick’s compatibility ensures that maintenance can be performed efficiently.

QSB7 CM2880 B117

The QSB7 CM2880 B117 engine is one of the larger and more powerful engines in the Cummins lineup. The dipstick 3965025 is also compatible with this engine, ensuring that oil levels can be monitored accurately. This engine is often used in heavy-duty applications, and the dipstick’s design allows for easy and precise oil level checks.

Role of Part 3965025 Dipstick in Engine Systems

The part 3965025 dipstick is an essential component in the engine system, facilitating the accurate measurement and monitoring of the oil level. This component interfaces directly with the oil level gauge to provide a visual or mechanical readout of the current oil level within the engine.

When the dipstick is inserted into the engine’s oil filler tube, it comes into contact with the oil. The oil adheres to the dipstick, and upon removal, the level of oil on the dipstick can be observed against the marked measurements. This simple yet effective mechanism allows for a quick assessment of whether the oil level is within the acceptable range.

The dipstick also plays a role in conjunction with the oil level gauge. In systems where an electronic or mechanical gauge is employed, the dipstick may have a sensor attached to its end. This sensor detects the oil level and transmits the data to the gauge, providing a real-time display on the instrument panel. This integration enhances the monitoring capability, allowing for continuous observation of the oil level without the need for manual checks.

Furthermore, the dipstick aids in the overall maintenance of the engine by ensuring that the oil level remains optimal. Proper oil levels are necessary for lubrication, cooling, and cleaning within the engine, directly influencing its performance and longevity. The dipstick, therefore, is a fundamental component in the routine maintenance and operational efficiency of the engine system.

Conclusion

The Cummins 3965025 Dipstick is a vital component in the maintenance and operation of heavy-duty trucks. By facilitating accurate oil level measurements, it ensures the lubrication system operates effectively, contributing to the longevity and performance of the engine. Its design, compatibility with various Cummins engines, and ease of use make it an indispensable tool for regular engine maintenance.