3933409
Dipstick
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$97.95 $116.56

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3933409 Dipstick is a component designed for use in commercial trucks, specifically tailored to facilitate the monitoring of engine oil levels. Its role in the maintenance and operation of these vehicles is significant, as it allows for regular checks that are vital for engine health and performance 1.

Basic Concepts of a Dipstick

A dipstick is a tool used in internal combustion engines to measure the level of engine oil. It consists of a long, thin metal or plastic rod with a handle at one end. When inserted into the engine’s oil sump and then withdrawn, the oil level can be read from markings on the dipstick. This process is fundamental for ensuring that the engine has the correct amount of oil, which is necessary for lubrication, cooling, and cleaning of engine components 2.

Purpose of the Cummins 3933409 Dipstick

This Cummins part is specifically engineered to serve commercial trucks, providing a reliable means to check engine oil levels. By ensuring the oil is at the correct level, it aids in maintaining engine performance and longevity. Proper oil levels are crucial for the efficient operation of the engine, reducing friction between moving parts, and helping to dissipate heat 3.

Key Features

3933409 is constructed with durability and accuracy in mind. It is made from high-quality materials that can withstand the harsh conditions within a commercial truck engine. The dipstick’s length is designed to reach the oil sump effectively, and it features clear, easy-to-read markings for precise oil level measurement. Additionally, its design may include features that enhance its functionality, such as a wider handle for easier grip and a curved tip to ensure accurate readings.

Benefits of Using the Cummins 3933409 Dipstick

Utilizing this part offers several advantages. Its design ensures accurate oil level readings, which are crucial for maintaining engine health. The durability of the dipstick means it can withstand frequent use without degradation, and its ease of use makes regular oil checks straightforward for operators. These benefits contribute to effective engine maintenance, potentially extending the engine’s lifespan and ensuring optimal performance.

Troubleshooting and Maintenance Suggestions

Common issues with dipsticks include inaccurate readings or physical damage. To address these, it’s important to ensure the dipstick is fully seated in the tube when taking a reading and to check for any signs of wear or bending. Regular maintenance practices, such as cleaning the dipstick before and after use and inspecting it for damage, can help maintain its accuracy and longevity.

Installation and Usage Instructions

Installing and using 3933409 involves a few straightforward steps. First, ensure the engine is turned off and has had time to cool. 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, then pull it out again to check the oil level against the markings. For accurate readings, it’s important to follow these steps carefully and handle the dipstick with care to avoid damage.

Common Misconceptions About Dipsticks

There are several misconceptions about dipsticks, including the belief that they are a simple, unimportant part of the engine. In reality, dipsticks play a vital role in engine maintenance by providing a means to monitor oil levels, which are critical for engine health. Another misconception is that all dipsticks are the same; however, different engines may require specific dipsticks for accurate readings.

The Role of Cummins in the Commercial Truck Industry

Cummins has a long-standing reputation in the commercial truck industry for producing high-quality engine components. The company’s commitment to innovation and quality is evident in its wide range of products, including the Cummins 3933409 Dipstick. Cummins’ contributions to the industry have helped advance engine technology and reliability, making it a trusted name among commercial truck operators and manufacturers.

Cummins Dipstick Part 3933409 Compatibility

The Cummins dipstick part number 3933409 is designed to be compatible with a range of Cummins engines, ensuring accurate oil level readings and maintenance. This dipstick is specifically engineered to fit seamlessly with the following engine models:

  • 6B5.9
  • 6C8.3

These engines, while differing in their specific configurations and applications, share a common requirement for precise oil level monitoring. The dipstick part 3933409 is crafted to meet these needs, providing reliable and consistent performance across the specified engine types.

For the 6B5.9 and 6C8.3 engines, the dipstick is an essential component for routine maintenance, ensuring that the oil levels are within the optimal range. This helps in maintaining engine health and performance, preventing potential damage due to low or high oil levels.

By using the Cummins dipstick part 3933409, technicians and operators can be confident in the accuracy of their oil level checks, facilitating better engine management and longevity.

Role of Part 3933409 Dipstick in Engine Systems

This part 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, providing a reliable means for mechanics and engineers to assess the quantity of oil present in the engine.

When the dipstick is inserted into the engine’s oil filler tube, it comes into contact with the 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 a visual representation of the oil status.

The dipstick’s design ensures that it provides a consistent and accurate measurement, which is vital for maintaining optimal engine performance. It allows for the detection of oil leaks, consumption rates, and the overall health of the lubrication system. Regular checks using the dipstick help in preventing engine damage due to low oil levels and ensure that the engine operates within safe parameters.

Conclusion

The Cummins 3933409 Dipstick plays a significant role in the maintenance and operation of commercial trucks by providing a reliable means to monitor engine oil levels. Its design, durability, and ease of use contribute to effective engine maintenance, potentially extending the engine’s lifespan and ensuring optimal performance. Regular use of this part, along with proper maintenance practices, is essential for maintaining engine health and performance.


  1. Bennett, S. (2012). Modern Diesel Technology Light Duty Diesels. Cengage Learning.

  2. Hilgers, M. (2023). Entire Vehicle: Second Edition. Springer Nature.

  3. Atkins, R. D. (2009). An Introduction to Engine Testing and Development. SAE International.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
37.875 x 1.375 x 0.375 in
Weight
0.14 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.