5308955
Dipstick
Cummins®

Introduction

The Cummins 5308955 Dipstick is a vital component for commercial trucks equipped with Cummins engines. It facilitates the measurement of engine oil levels, a critical aspect of vehicle maintenance and operation. Proper lubrication is essential for engine longevity and efficiency, and this part plays a significant role in ensuring oil levels are within the required range ¹.

Basic Concepts of a Dipstick

A dipstick is a tool used in internal combustion engines to measure lubricant levels within the oil reservoir. It consists of a long, slender rod with a handle, typically made from metal or plastic. The rod is inserted into the engine’s oil sump through a tube, and upon withdrawal, the oil level can be read from markings on the rod that indicate minimum and maximum oil levels. This process ensures the engine has sufficient oil for proper lubrication and cooling of moving parts ².

Purpose of the Cummins 5308955 Dipstick

The Cummins 5308955 Dipstick is designed to measure oil levels within the engine of a commercial truck. It provides a clear indication of the oil level, enabling operators and maintenance personnel to ensure the engine is adequately lubricated. This is important for preventing engine wear, overheating, and potential damage. The dipstick offers a straightforward method for checking oil levels, contributing to the overall maintenance and reliability of the vehicle ³.

Key Features

This Cummins part is characterized by its robust design and the materials used in its construction. Typically made from high-quality steel, it is resistant to corrosion and wear, ensuring durability under the demanding conditions of commercial truck operation. The dipstick features clear markings for oil level indication, and its design allows for easy insertion and removal from the engine’s oil filler tube. These features enhance its performance and reliability in providing accurate oil level readings.

Benefits of Using the Cummins 5308955 Dipstick

Utilizing the Cummins 5308955 Dipstick offers several advantages. Its design ensures accuracy in oil level measurement, which is essential for maintaining engine health. The durability of the dipstick means it can withstand the rigors of commercial truck use, reducing the need for frequent replacements. Additionally, its ease of use makes it a practical tool for routine maintenance checks, contributing to the efficient operation of the vehicle.

Installation and Usage

To install and use the Cummins 5308955 Dipstick, follow these steps: First, ensure the truck is on a level surface and the engine is turned off. Locate the dipstick tube on the engine, typically found near the top of the engine block. Remove the dipstick by pulling it straight out of the tube. Wipe it clean with a lint-free cloth, reinsert it fully into the tube, and then remove it again to check the oil level against the markings on the dipstick. This procedure should be performed regularly as part of the vehicle’s maintenance routine.

Maintenance Tips

Maintaining the Cummins 5308955 Dipstick involves regular cleaning to remove any oil residue that may accumulate on the rod. Inspect the dipstick for signs of wear or damage, such as bent or corroded areas, which could affect its accuracy or functionality. If the dipstick shows significant wear or if it becomes difficult to read the oil level markings, it may be time to replace it to ensure continued accurate oil level readings.

Troubleshooting Common Issues

Common issues with the Cummins 5308955 Dipstick may include difficulty in reading the oil level due to oil residue or damage to the dipstick. To address these problems, ensure the dipstick is cleaned thoroughly before each use. If the dipstick is bent or shows signs of corrosion, it should be replaced. Regular maintenance and inspection can help prevent issues and ensure the dipstick continues to function correctly.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a history of innovation and a commitment to quality, Cummins serves customers in approximately 190 countries and territories, providing reliable and efficient power solutions for various applications, from commercial vehicles to industrial and marine engines.

Cummins Dipstick 5308955 Compatibility

The Cummins Dipstick part number 5308955 is designed to be compatible with several engine models, ensuring accurate oil level readings and maintenance. This dipstick is specifically engineered to fit the following Cummins engines:

• ISB6.7 CM2250
• ISB6.7 CM2350 B101

These engines, while sharing similarities, may have slight variations in their design and specifications. The dipstick 5308955 is crafted to seamlessly integrate with both models, providing reliable functionality across the board. Its design ensures ease of use and precision, making it an essential tool for maintaining the optimal performance of these engines.

Role of Part 5308955 Dipstick in Engine Systems

The part 5308955 Dipstick is an integral component in the oil level gauge system of an engine. It is designed to provide accurate measurements of the oil level within the engine’s crankcase. This is achieved through a simple yet effective mechanism where the dipstick is inserted into the engine and then withdrawn to observe the oil level markings.

When the dipstick is fully inserted into the engine, it reaches the oil sump where the engine oil is stored. Upon withdrawal, the oil adheres to the dipstick, allowing the user to check the oil level against the marked indicators on the dipstick. This process ensures that the engine maintains the correct oil level, which is vital for lubrication, cooling, and overall engine performance.

In addition to its primary function, the dipstick also plays a role in the breather system of the engine. It allows for the release of pressure build-up within the crankcase, which can occur due to the natural expansion of oil and the production of blow-by gases. This pressure relief is important to prevent damage to engine seals and gaskets.

Furthermore, the dipstick is often connected to the Positive Crankcase Ventilation (PCV) system. The PCV system helps in managing the crankcase ventilation by redirecting blow-by gases back into the intake manifold, where they can be burned again in the combustion process. This not only reduces emissions but also helps in maintaining a clean crankcase environment.

In summary, the part 5308955 Dipstick is integral to the oil level gauge system, ensuring proper oil levels are maintained, assisting in pressure relief, and contributing to the efficient operation of the PCV system.

Conclusion

The Cummins 5308955 Dipstick is a critical component for maintaining the health and efficiency of Cummins engines in commercial trucks. Its robust design, ease of use, and compatibility with specific engine models make it an essential tool for routine maintenance checks. Regular use and maintenance of this part ensure accurate oil level readings, contributing to the longevity and reliability of the engine.