4995203
Dipstick
Cummins®

Introduction

The Cummins 4995203 Dipstick is a specialized component designed for use in heavy-duty trucks. Its purpose is to facilitate the monitoring 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, aiding in the prevention of engine wear and potential damage due to improper lubrication ¹.

Basic Concepts of a Dipstick

A dipstick is a tool used in internal combustion engines to measure the level of lubricant within the engine’s oil reservoir. It consists of a long, slender metal or plastic rod with a handle at one end. The rod is inserted into the oil reservoir through a tube, and when withdrawn, the oil level is indicated by the oil adhering to the rod. The dipstick is marked with minimum and maximum level indicators, allowing for a quick assessment of whether the oil level is within the acceptable range ².

Purpose of the Cummins 4995203 Dipstick

The Cummins 4995203 Dipstick plays a role in the operation and maintenance of a truck’s engine by providing a means to monitor oil levels. Regular checks using this dipstick help ensure that the engine is adequately lubricated, which is important for reducing friction between moving parts, dissipating heat, and preventing corrosion. Maintaining the correct oil level contributes to the overall efficiency and reliability of the engine ³.

Key Features

The Cummins 4995203 Dipstick is characterized by several design elements and materials that enhance its durability and accuracy. It is constructed from high-quality materials resistant to corrosion and high temperatures, ensuring longevity in the harsh environment of a heavy-duty truck engine. The dipstick features precise markings for oil level indication and a robust handle for easy insertion and removal. Its design allows for accurate readings even in the demanding conditions typical of heavy-duty applications.

Benefits

Utilizing the Cummins 4995203 Dipstick offers several advantages. Regular oil level checks with this dipstick contribute to improved engine performance by ensuring optimal lubrication. This practice helps in the early detection of oil leaks or consumption issues, allowing for timely maintenance. Furthermore, consistent use of the dipstick as part of a routine maintenance schedule can extend the engine’s lifespan by preventing damage due to inadequate lubrication.

Installation and Usage

To install and use the Cummins 4995203 Dipstick, follow these steps for accurate readings:

1. Ensure the truck is on a level surface and the engine is off to obtain an accurate oil level reading.
2. Locate the dipstick tube, usually found near the engine’s center.
3. Remove the dipstick by pulling it straight out of the tube.
4. Wipe the dipstick clean with a lint-free cloth.
5. Reinsert the dipstick fully into the tube, then remove it again to check the oil level.
6. Observe the oil level against the markings on the dipstick. If the level is below the minimum mark, add the appropriate type and amount of oil.

Troubleshooting and Maintenance

Common issues with dipsticks may include difficulty in reading the oil level due to contamination or wear. To troubleshoot, ensure the dipstick is clean and free from debris before taking a reading. If the dipstick appears worn or damaged, replacement is recommended to maintain accuracy. Regular maintenance of the dipstick involves keeping it clean and checking for any signs of wear or damage during routine oil changes.

Safety Considerations

When handling and using the Cummins 4995203 Dipstick, it is important to follow safety guidelines to prevent injuries and ensure accurate readings. Always allow the engine to cool before checking the oil level to avoid burns from hot surfaces or oil. Use caution when handling the dipstick to prevent cuts or injuries from the sharp edges. Additionally, ensure the truck is parked on a level surface to obtain an accurate oil level reading.

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. With a history spanning over a century, Cummins has established itself as a trusted name in the automotive industry, particularly in the production of diesel engines and components. The company’s commitment to innovation, quality, and customer satisfaction has made it a preferred choice for heavy-duty truck applications worldwide.

Cummins Engine Dipstick Part 4995203 Compatibility

The Cummins part number 4995203, which is a Dipstick, is designed to fit a range of Cummins engines. This dipstick is integral for checking the oil level in the engine, ensuring that the engine operates smoothly and efficiently.

QSB6.7 Series

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

The QSB6.7 series engines are known for their robust performance and reliability. The dipstick part 4995203 is compatible with these engines, facilitating easy oil level checks. This compatibility ensures that users can maintain their engines effectively.

QSB7 Series

• QSB7 CM2880 B117

The QSB7 series engine, specifically the QSB7 CM2880 B117, also utilizes the Cummins dipstick part 4995203. This engine is designed for heavy-duty applications, and the dipstick plays a crucial role in ensuring that the oil levels are maintained within the optimal range, thereby extending the engine’s lifespan and performance.

Role of Part 4995203 Dipstick in Engine Systems

The part 4995203 dipstick is a component in the engine system, facilitating the accurate measurement and monitoring of the oil level within the engine. This component interfaces directly with the oil gauge system, ensuring that the engine operates within optimal lubrication parameters.

Interaction with the Oil Gauge

The dipstick works in conjunction with the oil gauge to provide real-time data on the oil level. When the dipstick is inserted into the engine’s oil sump and then withdrawn, the oil level marking on the dipstick is visually inspected. This information is then cross-referenced with the oil gauge, which may be a mechanical or digital display, to ensure that the oil level is within the specified range.

Ensuring Proper Oil Level

Maintaining the correct oil level is vital for the engine’s performance and longevity. The dipstick allows for periodic checks, enabling engineers and mechanics to top off the oil as needed. This proactive approach helps prevent oil starvation, which can lead to increased friction, overheating, and eventual engine damage.

Integration with Engine Systems

In modern engine systems, the dipstick may also be part of a more integrated oil management system. Some advanced engines utilize sensors that can detect the oil level electronically via the dipstick tube. This data is then transmitted to the engine control unit (ECU), which can alert the driver or engineer to low oil levels or potential issues with the oil system.

Routine Maintenance

During routine maintenance, the dipstick is a go-to tool for quick assessments of the engine’s lubrication status. Its simple design belies its importance in ensuring that the engine remains well-lubricated, thereby supporting efficient operation and reducing wear on moving parts.

Conclusion

The Cummins 4995203 Dipstick is a versatile and essential component for maintaining the health and efficiency of heavy-duty truck engines. By providing accurate oil level readings, this Cummins part facilitates timely maintenance and helps prevent engine damage due to inadequate lubrication. Its compatibility with various Cummins engine models ensures that it is a reliable tool for professionals in the automotive industry.