4989263
Dipstick
Cummins®

The Cummins 4989263 Dipstick is a specialized component designed for use in heavy-duty trucks. It plays a significant role in the maintenance and operation of these vehicles by allowing for the accurate measurement of engine oil levels. Ensuring the correct oil level is maintained is fundamental to the longevity and performance of the engine, making the dipstick an important tool for both routine checks and comprehensive maintenance procedures.

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, slender metal or plastic rod with a handle at one end. The rod is inserted into the engine’s oil sump through a tube. Once inserted and then withdrawn, the oil level can be read from the markings on the dipstick, which indicate the minimum and maximum oil levels required for optimal engine operation.

Purpose of the Cummins 4989263 Dipstick

The Cummins 4989263 Dipstick facilitates the monitoring of oil levels in a truck’s engine. Proper oil levels are necessary for lubricating moving parts, cooling the engine, and cleaning internal components. The dipstick allows technicians and operators to quickly check the oil level, ensuring it remains within the specified range to prevent engine damage due to insufficient lubrication.

Key Features

The Cummins 4989263 Dipstick is engineered with specific design elements and materials to enhance its functionality and durability. It is constructed from high-quality steel, providing resistance to corrosion and wear. The dipstick features precise markings for accurate oil level readings and a robust handle for easy insertion and removal. Its design ensures compatibility with Cummins engines, facilitating straightforward installation and use.

Benefits

Using the Cummins 4989263 Dipstick offers several advantages. It provides accurate oil level readings, which are crucial for maintaining engine health. The dipstick is easy to use, requiring no special tools for operation. Its compatibility with Cummins engines ensures that it meets the specific requirements of these powerful machines, contributing to efficient and reliable engine performance.

Installation Process

Installing the Cummins 4989263 Dipstick involves a few straightforward steps. First, locate the dipstick tube on the engine. Using a socket wrench, remove the cap securing the tube. Insert the dipstick fully into the tube, then withdraw it to check the oil level against the markings. For installation, ensure the dipstick is fully seated in the tube and the cap is securely tightened. It is important to follow these steps carefully to ensure accurate oil level readings and prevent oil leaks.

Troubleshooting Common Issues

Common issues with dipsticks include inaccurate readings and physical damage. Inaccurate readings may result from incorrect installation or a faulty dipstick. Ensuring the dipstick is properly seated and inspecting it for damage can resolve these issues. Physical damage, such as bends or cracks, may require replacement of the dipstick to maintain accurate readings and prevent oil leaks.

Maintenance Tips

To ensure the longevity and reliability of the Cummins 4989263 Dipstick, regular maintenance practices are recommended. Periodically inspect the dipstick for signs of wear or damage. Clean the dipstick with a lint-free cloth before each use to remove any debris that may affect readings. Additionally, ensure the dipstick tube is free of obstructions and that the cap is securely tightened after each use to prevent oil leaks.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. Founded in 1919, Cummins has built a reputation for innovation, quality, and reliability in the manufacturing of diesel engines and components. The company’s commitment to excellence is evident in its wide range of products, which are designed to meet the demanding requirements of heavy-duty applications ¹.

Cummins Engine Dipstick Compatibility

The Cummins part number 4989263, a Dipstick, is designed to be compatible with a range of Cummins engines. Here is a detailed breakdown of the engines that this dipstick fits:

ISC Series

• ISC CM850
• ISL CM2150
• ISL G CM2180

These engines are part of the ISC series, known for their reliability and efficiency in various applications.

ISL9 Series

• ISL9 CM2150 SN
• ISL9 CM2250
• ISL9.5 CM2880 L138

The ISL9 series engines are designed for heavy-duty applications, offering robust performance and durability.

L Series

• L GAS PLUS CM556
• L8.9G CMOH2.0 L125B

The L series engines, including the L GAS PLUS CM556, are tailored for natural gas applications, providing a cleaner and more efficient power source.

QSL Series

• QSL8.9 CM2150 L141
• QSL9 CM2250
• QSL9 CM2350 L102
• QSL9 CM850 (CM2850)

The QSL series engines, such as the QSL9 CM2250, are designed for high-performance applications, ensuring optimal power and efficiency.

Role of Part 4989263 Dipstick in Engine Systems

The part 4989263 dipstick is a component in the accurate measurement and monitoring of the oil level within an engine system. It interfaces directly with the oil level gauge, ensuring that the gauge provides a precise reading of the oil quantity present in the engine’s oil pan.

When the dipstick is inserted into the engine, it comes into contact with the oil, allowing it to measure the oil level accurately. This measurement is then transferred to the oil level gauge, which displays the current oil level to the user. The gauge relies on the dipstick’s accurate measurement to provide reliable data, ensuring that the engine operates within safe parameters.

The dipstick also plays a role in maintaining the overall health of the engine. By providing consistent and accurate oil level readings, it helps in preventing oil starvation, which can lead to increased friction, overheating, and potential engine damage. Additionally, the dipstick aids in the detection of oil leaks or consumption issues, allowing for timely maintenance and repairs.

Conclusion

In summary, the part 4989263 dipstick is integral to the proper functioning of the oil level gauge and the overall engine system. Its accurate measurements ensure that the engine maintains optimal oil levels, contributing to the engine’s longevity and performance ².