3945806
Dipstick
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$184.95 $220.09

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 3945806 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 part is integral to the maintenance and operation of heavy-duty trucks, providing a straightforward yet vital function that contributes to the overall performance and longevity of the vehicle 1.

Basic Concepts of a Dipstick

A dipstick is a simple yet essential tool used in engines to measure the level of oil. It consists of a long, thin metal rod with a handle at one end. The rod is inserted into the engine’s oil sump, and when withdrawn, the oil level can be read from the markings on the dipstick. The design principles behind a dipstick involve ensuring accurate measurement, durability, and ease of use, allowing for consistent and reliable oil level checks 2.

Purpose of the Cummins 3945806 Dipstick

This Cummins part plays a role in the operation of a truck by allowing for the precise measurement of oil levels. This ensures that the engine components receive adequate lubrication, which is vital for reducing friction, wear, and potential damage. Proper lubrication is fundamental to the efficient and reliable operation of the engine, making the dipstick an important component in routine maintenance practices 3.

Key Features

The Cummins 3945806 Dipstick is designed with specific features to enhance its performance and durability. It is constructed from high-quality metal to withstand the harsh conditions within an engine. The length of the dipstick is tailored to fit the specific oil sump of Cummins engines, ensuring accurate readings. Additionally, the dipstick may include markings or indicators to simplify the reading process and improve accuracy.

Benefits

Using the Cummins 3945806 Dipstick offers several advantages. It provides accurate oil level measurements, which are crucial for maintaining proper engine lubrication. The design of the dipstick ensures ease of use, allowing for quick and efficient checks. Furthermore, by ensuring accurate oil levels, the dipstick contributes to the longevity of the engine by preventing issues related to insufficient lubrication.

Installation Process

Installing the Cummins 3945806 Dipstick involves several steps to ensure proper fitting and function. Begin by ensuring the engine is turned off and has cooled down. Locate the dipstick tube, usually found near the engine’s top. Remove the old dipstick by pulling it out of the tube. Insert the new 3945806 into the tube until it is fully seated. Ensure it is properly aligned and seated to avoid inaccurate readings. Finally, check the installation by pulling the dipstick out and reinserting it to confirm it fits snugly.

Maintenance Tips

To ensure the longevity and accuracy of the Cummins 3945806 Dipstick, regular maintenance is recommended. Clean the dipstick after each use with a lint-free cloth to remove any oil residue. Inspect the dipstick for signs of wear or damage, such as bends or cracks, and replace it if necessary. Additionally, ensure the dipstick tube is free of debris to maintain accurate readings.

Troubleshooting Common Issues

Common issues with dipsticks include inaccurate readings and physical damage. If the dipstick provides inconsistent oil level readings, check for proper seating within the tube and ensure there is no debris obstructing the measurement. Physical damage, such as bends or cracks, may require replacement of the dipstick to maintain accuracy and functionality.

Role in Preventive Maintenance

The Cummins 3945806 Dipstick is a key component in the preventive maintenance strategy for heavy-duty trucks. Regular oil level checks using the dipstick help ensure that the engine remains properly lubricated, reducing the risk of wear and damage. Incorporating these checks into routine maintenance practices contributes to the overall reliability and performance of the truck.

About Cummins

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 committed to quality, innovation, and customer satisfaction. The company’s product range includes engines for on-highway, off-highway, and stationary applications, as well as filtration and emission solutions. Cummins’ dedication to excellence and continuous improvement drives its success in the automotive industry.

Cummins Engine Dipstick Compatibility

The Cummins part number 3945806, which is a Dipstick, is designed to fit seamlessly with several engine models. This dipstick is essential for checking the oil level and ensuring the engine operates smoothly. Here’s how it fits with the specified engines:

6C8.3 Engine

The 6C8.3 engine is a robust and reliable power unit, often used in various applications. The dipstick part 3945806 is engineered to integrate perfectly with this engine, providing an accurate reading of the oil level. This ensures that the engine remains well-lubricated, preventing wear and tear.

C GAS PLUS CM556 and ISC CM554 Engines

Both the C GAS PLUS CM556 and ISC CM554 engines benefit from the precise fit of the Cummins part number 3945806 dipstick. These engines, known for their efficiency and durability, require regular oil level checks to maintain optimal performance. The dipstick ensures that users can easily and accurately monitor the oil levels, contributing to the longevity and reliability of these engines.

By using the Cummins part number 3945806 dipstick, operators of these engines can ensure that their machines are well-maintained and running efficiently. This part is a critical component in the maintenance routine, providing a straightforward method to check oil levels and prevent potential engine issues.

Role of Part 3945806 Dipstick in Engine Systems

The part 3945806 dipstick is an essential component in the operation and maintenance of engine systems, particularly in relation to the gauge and oil level mechanisms.

Interaction with the Gauge

The dipstick works in conjunction with the gauge to provide accurate readings of the oil level within the engine. When the dipstick is inserted into the engine and then removed, the oil level is indicated by the oil residue on the dipstick. This residue is then visually compared to the marked levels (usually “full” and “add”) on the dipstick itself. In some advanced engine systems, the dipstick may also interact with an electronic gauge that reads the oil level automatically, providing a digital readout on the dashboard. This ensures that the engine operator is always aware of the current oil level, allowing for timely top-ups and preventing engine damage due to low oil levels.

Ensuring Proper Oil Level

Maintaining the correct oil level is vital for the lubrication and cooling of engine components. The dipstick allows for a straightforward and reliable method to check the oil level. By regularly using the dipstick to check the oil, mechanics and engineers can ensure that the engine is neither overfilled nor underfilled. Overfilling can lead to oil foaming, which reduces the oil’s lubricating properties and can cause damage to internal engine components. Underfilling, on the other hand, can lead to insufficient lubrication, increased friction, and potentially catastrophic engine failure.

Conclusion

In summary, the part 3945806 dipstick plays a significant role in the maintenance and operational integrity of engine systems by facilitating accurate oil level readings and ensuring that the engine remains properly lubricated.


  1. Van Gelder, Kirk T. Fundamentals of Automotive Technology Principles and Practice. Jones Bartlett Learning, 2018.

  2. Kluczyk, Barry. How to Rebuild Any Automotive Engine. CarTech, 2008.

  3. Sobey, Ed. A Field Guide to Automotive Technology. Chicago Review Press, 2009.

SPECIFICATIONS

Package Dimensions
43.0 x 1.5 x 0.125 in
Weight
0.1 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.