4948028
Dipstick
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$149.95 $178.44

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

Introduction

The Cummins 4948028 Dipstick is a specialized component designed for use in heavy-duty trucks equipped with Cummins engines. Its primary function is to facilitate the measurement of engine oil levels, which is a fundamental aspect of routine maintenance. Ensuring the correct oil level is vital for the efficient operation and longevity of the engine. This dipstick is engineered to provide accurate readings, thereby aiding in the prevention of engine damage due to oil starvation or overfilling 1.

Basic Concepts of a Dipstick

A dipstick is a simple yet essential tool used in internal combustion engines to measure the level of lubricating oil. It consists of a long, thin metal or plastic rod with graduated markings. When inserted into the engine’s oil sump and then withdrawn, the oil level can be read from the markings on the dipstick. This process allows for the assessment of whether the oil level is within the manufacturer’s specified range. Proper oil levels are necessary for optimal engine lubrication, cooling, and overall performance 2.

Purpose of the Cummins 4948028 Dipstick

The Cummins 4948028 Dipstick plays a role in the operation and maintenance of heavy-duty trucks by providing a means to accurately measure the engine oil level. This measurement is crucial for ensuring that the engine has sufficient lubrication to reduce friction and wear on moving parts. Additionally, it helps in identifying potential leaks or consumption issues that may require further investigation and maintenance 3.

Key Features

The Cummins 4948028 Dipstick is characterized by its robust design and high-quality materials, which contribute to its durability and performance. It is typically made from corrosion-resistant materials to withstand the harsh environments often encountered in heavy-duty applications. The dipstick features clear, easy-to-read markings for precise oil level measurement. Its design ensures a snug fit within the engine’s oil filler tube, preventing oil leaks and ensuring accurate readings.

Benefits

Utilizing the Cummins 4948028 Dipstick offers several advantages. Its design ensures accurate oil level measurements, which is critical for maintaining engine health. The ease of use, combined with its compatibility with Cummins engines, makes it a reliable tool for both professional mechanics and vehicle owners. Additionally, the durable construction of the dipstick ensures longevity, reducing the need for frequent replacements.

Installation Process

Installing the Cummins 4948028 Dipstick involves a few straightforward steps. First, ensure the engine is turned off and has cooled down to avoid burns from hot components. Locate the oil filler cap on the engine and remove it. Insert the dipstick fully into the tube until it reaches the bottom, then withdraw it slowly. Check that the dipstick is seated correctly within the tube to prevent oil leaks. Replace the oil filler cap securely once the installation is complete.

Troubleshooting and Maintenance

Common issues with dipsticks may include inaccurate readings due to a misaligned or damaged dipstick, or oil leaks around the dipstick tube. To troubleshoot, ensure the dipstick is fully inserted and seated correctly. If leaks persist, inspect the O-ring or gasket around the dipstick tube for wear and replace if necessary. Routine maintenance involves checking the condition of the dipstick and ensuring it remains clean and free from debris.

Safety Considerations

When using and maintaining the Cummins 4948028 Dipstick, it is important to observe several safety practices. Always ensure the engine is cool before attempting to check the oil level to avoid burns from hot engine components. Additionally, used oil should be disposed of properly in accordance with local environmental regulations to prevent contamination. Wear protective gloves and eyewear when handling the dipstick and oil to protect against spills and contact with hot surfaces.

Cummins Overview

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 spanning over a century, Cummins is renowned for its commitment to quality, innovation, and customer satisfaction. The company’s product range includes engines for on-highway and off-highway applications, as well as power generation equipment and component solutions. Cummins’ dedication to excellence is evident in its extensive portfolio of reliable and efficient products designed to meet the demanding needs of various industries.

Cummins Engine Dipstick Compatibility

This Cummins part is designed to be compatible with several models of Cummins engines. This dipstick is essential for checking the oil level in the engine, ensuring that the engine operates smoothly and efficiently. Below is a detailed description of how this dipstick fits with the specified Cummins engines:

QSB6.7 Series

  • QSB6.7 CM2250
  • QSB6.7 CM2350 B105
  • QSB6.7 CM850 (CM2850)

The QSB6.7 series engines, including the CM2250, CM2350 B105, and CM850 (CM2850), are equipped with the Cummins part number 4948028 dipstick. This dipstick is specifically engineered to fit the oil fill tube of these engines, allowing for accurate and easy oil level checks. The design ensures a snug fit, preventing oil leaks and providing reliable readings.

QSB7 Series

  • QSB7 CM2880 B117

The QSB7 series engine, specifically the CM2880 B117, also utilizes the Cummins part number 4948028 dipstick. This dipstick is tailored to the unique design of the QSB7 engine’s oil fill tube, ensuring compatibility and ease of use. The dipstick’s design allows for precise oil level monitoring, which is crucial for maintaining the engine’s performance and longevity.

By using the Cummins part number 4948028 dipstick, owners and technicians can ensure that the oil levels in these engines are maintained correctly, thereby preventing potential engine damage and ensuring optimal performance.

Role of Part 4948028 Dipstick in Engine Systems

This part is an essential component in the engine system, facilitating the accurate measurement and monitoring of the oil level within the engine. This part interfaces directly with the oil gauge system, ensuring that the oil level is consistently maintained at optimal levels for engine performance and longevity.

When the dipstick is inserted into the engine’s oil filler neck, it provides a physical means to check the oil level. The dipstick has marked graduations that indicate the minimum and maximum oil levels. By withdrawing the dipstick and observing where the oil level falls between these marks, mechanics and engineers can determine if the oil level is within the acceptable range.

The dipstick also plays a role in the overall oil gauge system. Many modern vehicles are equipped with an oil level sensor that works in conjunction with the dipstick. This sensor can provide a more precise reading of the oil level, which is then displayed on the vehicle’s dashboard gauge. The dipstick ensures that this sensor functions correctly by maintaining a consistent and reliable interface with the oil.

Additionally, the dipstick aids in the process of oil changes. When draining old oil from the engine, the dipstick tube often serves as a guide for the drain plug, ensuring that the oil is directed away from the engine compartment and into the appropriate container. After the oil change, the dipstick is used to verify that the new oil has been properly filled to the correct level.

Conclusion

In summary, the Cummins 4948028 Dipstick is integral to the engine system, providing a straightforward yet effective method for monitoring and maintaining the oil level, which is vital for the engine’s operation and durability. Its robust design, ease of use, and compatibility with Cummins engines make it a reliable tool for ensuring optimal engine performance and longevity.


  1. Han, Zhiyu. Simulation and Optimization of Internal Combustion Engines. SAE International, 2022.

  2. Atkins, Richard D. An Introduction to Engine Testing and Development. SAE International, 2009.

  3. Hick, Hannes, Klaus Kupper, and Helfried Sorger. Systems Engineering for Automotive Powertrain Development. Springer, 2021.

SPECIFICATIONS

Package Dimensions
22.0 x 1.0 x 1.0 in
Weight
0.15 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.