4990456
Dipstick
Cummins®

Introduction

The Cummins 4990456 Dipstick is a critical component for commercial trucks, designed to monitor engine oil levels. This part ensures the engine operates within optimal parameters by facilitating regular checks of oil levels, which is essential for maintenance and operation ².

Basic Concepts of a Dipstick

A dipstick is a tool used in engines to measure fluid levels, typically oil. It consists of a rod with a handle, inserted into the engine’s oil sump. The dipstick allows for visual inspection of oil levels and condition, with markings for reading levels and assessing oil quality ¹.

Purpose of the Cummins 4990456 Dipstick

This Cummins part is engineered for Cummins engines in commercial trucks. It enables accurate oil level checks, crucial for engine lubrication, cooling, and performance. Regular use helps identify leaks or excessive oil consumption, allowing for timely maintenance ².

Key Features

The 4990456 Dipstick features a robust design and high-quality materials for durability. It has clear markings for easy oil level reading and is designed to withstand engine temperatures and pressures. Its snug fit in the oil sump prevents leaks ³.

Benefits of Using the Cummins 4990456 Dipstick

Using this part offers accurate oil level readings, contributing to engine health. Its durable construction ensures longevity, and its ease of use facilitates quick oil level checks, integrating seamlessly into maintenance routines ².

Installation Process

Installing the 4990456 involves turning off the engine, removing the old dipstick, lubricating the new dipstick’s O-ring with clean engine oil, inserting it into the tube, and ensuring a secure fit ¹.

Routine Maintenance

To maintain accuracy, clean the dipstick after each use, inspect for wear or damage, and ensure the dipstick tube is unobstructed. This practice ensures the dipstick provides reliable readings ².

Troubleshooting Common Issues

Common issues include inaccurate readings or difficulty in insertion. Ensure the dipstick is fully seated and the engine is level for accurate readings. Inspect and correct any misalignments or obstructions in the dipstick tube ¹.

About Cummins

Cummins Inc. designs, manufactures, and distributes engines, filtration, and power generation products. With a century-long history, Cummins is committed to quality, innovation, and customer satisfaction, offering a broad range of products for various applications ³.

Compatibility with Cummins Engines

The 4990456 Dipstick is compatible with several Cummins engine models, including ISB/ISD4.5 CM2150 B119 and ISBE4 CM850 engines. It ensures accurate oil level readings, facilitating easy maintenance checks and contributing to engine health ².

Role in Engine Systems

This part plays a role in the engine’s lubrication system by providing accurate oil level measurements. It interfaces with the oil level gauge, ensuring precise measurement and display of engine oil levels, which is vital for maintaining optimal engine performance and preventing damage due to insufficient lubrication ³.

Conclusion

The Cummins 4990456 Dipstick is a vital component for maintaining and monitoring engine oil levels in commercial trucks. Its accurate readings, durable design, and ease of use make it an essential tool for ensuring engine health and performance.