3991310
Dipstick
Cummins®

The Cummins 3991310 Oil Level Dipstick is a critical component for the maintenance and operation of commercial trucks. Manufactured by Cummins, a renowned name in the engine manufacturing industry, this part is designed to withstand the rigorous demands of heavy-duty applications. It facilitates accurate oil level readings, which are essential for maintaining engine health and performance.

Basic Concepts of Oil Level Dipsticks

An oil level dipstick is a tool used in a vehicle’s engine to measure the amount of oil present. It operates by being inserted into the engine’s oil sump and then withdrawn to show the oil level on a graduated scale. This mechanism allows for regular monitoring of the oil level, ensuring that the engine is adequately lubricated and operates efficiently ¹.

Purpose of the Cummins 3991310 Oil Level Dipstick

The Cummins 3991310 Oil Level Dipstick is designed to provide precise oil level readings in commercial trucks. Its role in the engine’s operation and maintenance is significant, as it helps in assessing the engine’s lubrication status. Proper lubrication is vital for engine health, reducing wear and tear, and enhancing performance and longevity ².

Key Features

The Cummins 3991310 Oil Level Dipstick is characterized by its robust design and construction. It is made from high-quality materials that ensure durability and resistance to the harsh conditions encountered in commercial truck engines. The dipstick features a clear, easy-to-read scale and a secure fitting mechanism that prevents oil leaks and ensures accurate readings.

Benefits

Using the Cummins 3991310 Oil Level Dipstick offers several advantages. Its design ensures accurate oil level readings, which is crucial for maintaining engine health. The dipstick’s durability means it can withstand the demanding conditions of commercial truck use. Additionally, its ease of use simplifies the process of checking oil levels, contributing to efficient engine maintenance and longevity.

Installation Process

Installing the Cummins 3991310 Oil Level Dipstick involves a few straightforward steps. First, ensure the engine is turned off and has cooled down. Locate the dipstick tube, remove the old dipstick, and insert the new one fully into the tube. Once inserted, withdraw it to check the oil level, ensuring it is within the recommended range.

Usage Instructions

To use the Cummins 3991310 Oil Level Dipstick, start by ensuring the vehicle is on a level surface and the engine is off. Remove the dipstick from the tube, wipe it clean, reinsert it fully, and then withdraw it to check the oil level. The oil level should be within the marked range on the dipstick. Regular checks help in maintaining optimal engine lubrication.

Troubleshooting Common Issues

Common issues with oil level dipsticks include inaccurate readings or physical damage. Inaccurate readings may be due to incorrect installation or a faulty dipstick, while physical damage can result from rough handling or exposure to extreme conditions. Regular inspection and proper handling can help mitigate these issues.

Maintenance Tips

Regular maintenance of the Cummins 3991310 Oil Level Dipstick is key to its longevity and accurate function. This includes cleaning the dipstick after each use, inspecting it for signs of wear or damage, and replacing it if necessary. Adhering to these maintenance practices ensures the dipstick continues to provide reliable oil level readings.

Cummins: A Brief Overview

Cummins Inc. is a leader in the engine manufacturing industry, known for its commitment to quality and innovation. With a diverse product range that includes engines, filtration, and power generation products, Cummins serves various industries, particularly commercial trucking. The company’s reputation is built on its dedication to producing reliable, high-performance engine components.

Cummins Oil Level Dipstick 3991310 Compatibility

The Cummins Oil Level Dipstick part number 3991310 is designed to be compatible with a range of engine models, ensuring accurate and reliable oil level monitoring. This dipstick is engineered to fit seamlessly into the specified engine configurations, providing essential functionality for maintaining engine health.

Engine Compatibility

• 4B3.9 Series Engines

The Cummins Oil Level Dipstick 3991310 is specifically tailored to integrate with the 4B3.9 series engines. This series includes various models that share common design elements and specifications, making the dipstick a versatile component across these engines. Its precise fit ensures that users can easily check and maintain the correct oil levels, which is crucial for the engine’s performance and longevity.

Installation and Usage

When installing the Cummins Oil Level Dipstick 3991310 in the 4B3.9 series engines, it is essential to follow the manufacturer’s guidelines to ensure proper placement and functionality. The dipstick is designed to be easily accessible, allowing for quick and straightforward oil level checks. This feature is particularly beneficial for operators who need to monitor oil levels regularly to prevent engine damage and ensure optimal performance.

Importance of Proper Fit

Using the correct oil level dipstick is vital for accurate oil level readings. The Cummins Oil Level Dipstick 3991310 is manufactured to meet stringent quality standards, ensuring it fits perfectly and functions reliably. This compatibility is crucial for maintaining the engine’s efficiency and preventing potential issues that could arise from incorrect oil levels.

Conclusion

The Cummins 3991310 Oil Level Dipstick is an essential component in the engine system, facilitating the accurate measurement and monitoring of oil levels within the engine. This dipstick interfaces directly with the oil level gauge, providing a physical means for the gauge to assess the quantity of oil present in the engine’s oil pan. The accurate reading provided by the dipstick is fundamental for maintaining the engine’s lubrication system, ensuring the engine operates efficiently and with longevity.