4093789
Dipstick
Cummins®

The Cummins 4093789 Dipstick is a specialized component designed for use in commercial trucks. It plays a role in the operation of these vehicles by allowing for the accurate measurement of engine oil levels. Ensuring the correct oil level is maintained is vital for the efficient and reliable performance of the engine ¹.

Basic Concepts of a Dipstick

A dipstick is a simple yet effective tool used in engines to monitor fluid levels. It consists of a long, slender metal or plastic rod with a handle at one end. The rod is inserted into a tube connected to the engine’s oil sump. When removed, the oil level can be read from the markings on the dipstick, indicating whether the oil is within the appropriate range ².

Purpose of the Cummins 4093789 Dipstick

This Cummins part is specifically designed for use in Cummins engines found in commercial trucks. Its primary role is to facilitate the checking of engine oil levels. By providing an accurate reading of the oil level, it helps ensure that the engine operates within safe parameters, thereby contributing to the overall performance and longevity of the engine ³.

Key Features

The Cummins 4093789 is crafted from high-quality materials to ensure durability and accuracy. Its design includes precise markings for easy reading of oil levels. Additionally, the dipstick is engineered to fit securely within the engine’s oil tube, preventing oil leaks and ensuring consistent readings.

Benefits

Using this Cummins part offers several advantages. Its accurate measurement capabilities help maintain optimal oil levels, which is crucial for engine health. The dipstick’s durable construction ensures it can withstand the rigors of commercial truck use. Furthermore, its ease of use allows for quick and efficient oil level checks, contributing to routine maintenance practices.

Installation and Usage

To install and use the Cummins 4093789, follow these steps: First, ensure the truck is on a level surface and the engine is 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 remove it again to check the oil level. The oil should be between the minimum and maximum marks.

Maintenance Tips

To ensure the longevity and reliable performance of the Cummins 4093789, regular maintenance is recommended. This includes cleaning the dipstick after each use to remove any oil residue and inspecting it for signs of wear or damage. If the dipstick becomes bent or shows significant wear, it should be replaced to maintain accurate readings.

Troubleshooting Common Issues

Common issues with the Cummins 4093789 may include inaccurate readings or difficulty in insertion. If inaccurate readings are observed, ensure the dipstick is being read correctly and that the truck is on a level surface. Difficulty in insertion may indicate a bent dipstick or obstructions within the tube, which should be inspected and cleared if necessary.

Importance of Regular Checks

Regular checks using the Cummins 4093789 are important for maintaining the health and performance of a truck’s engine. Consistent monitoring of oil levels helps prevent engine damage due to low oil levels and ensures the engine operates efficiently. It is a simple yet effective maintenance practice that contributes to the longevity of the engine.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins is renowned for its expertise in engine manufacturing, commitment to quality, and innovation in the field of diesel technology. The company’s products are widely used in commercial trucks, among other applications, underscoring its significance in the industry.

Cummins Engine Dipstick Compatibility

The Cummins part number 4093789, a Dipstick, is designed to be compatible with a range of Cummins engines. Here’s a breakdown of its compatibility:

Compatible Engines

• 4B3.9
• 6B5.9
• B5.9 GAS PLUS CM556
• ISB5.9 CM2880 B110
• ISB5.9 CM2880 B140
• ISB5.9G CM2180

Grouping of Compatible Engines

The Cummins dipstick 4093789 is engineered to fit seamlessly within the following groups of engines:

• 4B3.9 and 6B5.9: These engines are part of the earlier Cummins lineup and are known for their robust performance in various applications.
• B5.9 GAS PLUS CM556: This engine represents a specific variant within the Cummins lineup, designed for gas applications.
• ISB5.9 CM2880 B110 and ISB5.9 CM2880 B140: These engines are part of the ISB series, which is known for its reliability and efficiency in heavy-duty applications.
• ISB5.9G CM2180: This engine is another variant within the ISB series, optimized for gas applications.

The dipstick 4093789 is designed to ensure accurate and easy oil level checks across these engines, facilitating maintenance and ensuring optimal engine performance.

Conclusion

The Cummins 4093789 Dipstick is an essential component for maintaining the health and performance of Cummins engines in commercial trucks. Its accurate measurement capabilities, durable construction, and ease of use make it a valuable tool for routine maintenance. Regular checks and proper maintenance of this part contribute significantly to the longevity and efficiency of the engine.