5279257
Dipstick
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$159.95 $190.34

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 5279257 Dipstick is a component designed for use in heavy-duty trucks, specifically tailored to fit Cummins engines. Its purpose is to facilitate the measurement of oil levels within the engine, ensuring that the lubrication system operates effectively. This part is significant in the maintenance and operation of heavy-duty trucks as it allows for regular checks of oil levels, which is a fundamental aspect of engine care and longevity.

Basic Concepts of a Dipstick

A dipstick is a simple yet vital tool used in internal combustion engines to measure the level of lubricant within the crankcase. It consists of a long, slender rod with a handle at one end, typically made from metal or a durable plastic. The rod is inserted into a tube that leads to the bottom of the crankcase. Once inserted and then withdrawn, the oil level can be read from the markings on the dipstick. This process is crucial for maintaining the correct amount of oil, which is necessary for lubricating moving parts, cooling the engine, and cleaning internal components 1.

Purpose of the Cummins 5279257 Dipstick

This Cummins part plays a role in the operation of a truck by allowing for the accurate measurement of oil levels within the engine. Proper lubrication is vital for the engine’s components to function smoothly and efficiently. By ensuring that the oil level is correct, the dipstick helps in maintaining the engine’s performance and longevity. It is a straightforward yet effective tool for monitoring one of the key aspects of engine health.

Key Features

The Cummins 5279257 Dipstick is constructed from materials that offer durability and resistance to the high temperatures and pressures found within an engine. Its length is designed to reach the bottom of the crankcase in Cummins engines, ensuring accurate oil level readings. The dipstick may also feature specific design elements, such as a curved tip, to facilitate easier insertion and removal, and clear, easy-to-read markings for precise oil level measurement.

Benefits of Using the Cummins 5279257 Dipstick

Utilizing this part offers several advantages. Its design ensures accuracy in oil level measurement, which is crucial for maintaining engine health. The ease of use, thanks to its durable construction and clear markings, makes it a practical tool for regular maintenance checks. Additionally, its compatibility with Cummins engines ensures that it fits securely and functions as intended within the specific engine design.

Installation and Usage

To install and use the Cummins 5279257 Dipstick, first, ensure the engine is turned off and has had sufficient time to cool. Locate the dipstick tube, usually found near the center of the engine. Pull the dipstick out completely, wipe it clean with a lint-free cloth, reinsert it fully, and then pull it out again to check the oil level. The oil should be between the minimum and maximum marks on the dipstick. If necessary, add oil to reach the appropriate level.

Troubleshooting and Maintenance

Common issues with dipsticks include inaccurate readings or difficulty in insertion. Inaccurate readings may be due to a dirty dipstick or incorrect insertion. Ensure the dipstick is clean and fully inserted to obtain an accurate reading. Difficulty in insertion could indicate a bent dipstick or obstructions within the tube. Regular cleaning and careful handling can help maintain the dipstick’s condition. If the dipstick becomes damaged, it should be replaced to ensure accurate oil level measurements.

Cummins Overview

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. Founded in 1919, Cummins has a long history of innovation in the automotive industry, particularly in the production of diesel engines and components. The company is known for its commitment to quality, efficiency, and sustainability in power solutions.

Cummins Dipstick Part 5279257 Compatibility

The Cummins dipstick part number 5279257 is designed to be compatible with a range of Cummins engines, ensuring accurate and reliable oil level checks. This dipstick is engineered to fit seamlessly with the following Cummins engine models:

  • K19 Series: The K19 series engines are known for their robust performance and reliability. The dipstick part 5279257 is specifically designed to integrate with the K19 engines, providing an essential tool for maintaining optimal oil levels.

Grouping of Compatible Engines

While the K19 series is a notable group, the dipstick part 5279257 is also compatible with other Cummins engines that share similar design and operational characteristics. These engines often feature standardized oil level checking mechanisms, making the dipstick a versatile component across multiple engine types.

Ensuring Proper Fit and Function

The design of the Cummins dipstick part 5279257 ensures that it fits snugly and functions effectively within the specified engine models. This compatibility is crucial for maintaining engine health and performance, as accurate oil level monitoring is a key aspect of engine maintenance.

Role of Part 5279257 Dipstick in Engine Systems

The part 5279257 Dipstick is an essential component in the maintenance and monitoring of engine systems. It is specifically designed to work in conjunction with the oil level gauge to ensure the engine operates within optimal conditions.

Interaction with Oil Level Gauge

The dipstick interfaces directly with the oil level gauge, providing a physical means to measure the quantity of oil within the engine. When the dipstick is inserted into the engine’s oil fill tube and then withdrawn, the oil level can be visually assessed against the markings on the dipstick. This data is then compared with the oil level gauge, which may be a simple mechanical indicator or a more advanced digital display integrated into the vehicle’s dashboard.

Ensuring Proper Oil Levels

Maintaining the correct oil level is vital for the lubrication of moving parts within the engine. The dipstick allows for regular checks, ensuring that the oil level remains within the manufacturer’s specified range. This prevents both overfilling, which can lead to oil aeration and reduced lubrication efficiency, and underfilling, which can cause increased friction and potential engine damage 2.

Facilitating Oil Changes

During an oil change, the dipstick is removed to allow the old oil to be drained from the engine. Once the oil has been replaced, the dipstick is reinserted to check the new oil level, ensuring that the engine is filled to the correct specification before operation is resumed.

Diagnostic Tool

The condition of the oil on the dipstick can also serve as a diagnostic tool. By examining the color and consistency of the oil, mechanics can gain insights into the engine’s health. Dark or gritty oil may indicate contamination or the need for a filter change, while a milky appearance could signal a coolant leak into the oil system 3.

Conclusion

In summary, the Cummins 5279257 Dipstick plays a significant role in the routine maintenance and diagnostic processes of engine systems, working hand-in-hand with the oil level gauge to ensure engines run smoothly and efficiently.


  1. Bartz, Wilfried J. Engine Oils and Automotive Lubrication Mechanical Engineering Book 80. CRC Press, 2019.

  2. Awari, G.K., Kumbhar, V.S., and Tirpude, R.B. Automotive Systems Principles and Practice. CRC Press, 2011.

  3. Gilles, Tim. Automotive Service: Inspection, Maintenance, Repair: 2nd Edition. Cengage Learning, 2020.

* 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.