3970628
Dipstick
Cummins®

The Cummins 3970628 Dipstick is a component designed for use in commercial trucks, specifically for monitoring engine oil levels. Its role is significant in ensuring the proper functioning and longevity of the engine by allowing for accurate and regular checks of oil levels, which are vital for engine lubrication and performance.

Basic Concepts of a Dipstick

A dipstick is a tool used in internal combustion engines to measure the level of various fluids, primarily engine 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 When inserted into the engine’s oil sump and then withdrawn, the level of oil adhering to the dipstick provides a visual indication of the oil level within the engine. This measurement is important for maintaining the engine’s lubrication system, ensuring that there is sufficient oil to reduce friction and wear on moving parts ¹.

Purpose of the Cummins 3970628 Dipstick

This Cummins part is specifically engineered to measure oil levels in Cummins engines found in commercial trucks. Its function is to provide a reliable and accurate means of checking the oil level, ensuring that the engine maintains optimal lubrication. This is particularly important in heavy-duty applications where engine stress and operating conditions can vary significantly.

Key Features

This part is characterized by its robust design and construction from high-quality materials, ensuring durability and reliability in demanding environments. It features clear, easy-to-read markings for precise oil level measurement. Additionally, its design may include features such as a built-in temperature sensor or a unique shape that enhances its functionality and ease of use.

Benefits

Using the 3970628 offers several advantages. Its accurate measurement capabilities help ensure that the engine operates within the manufacturer’s specified oil level range, contributing to engine efficiency and longevity. The dipstick’s durable construction means it can withstand the rigors of commercial truck use, reducing the need for frequent replacements. Furthermore, its design enhances ease of use, allowing for quick and straightforward oil level checks.

Installation and Usage

To install and use the 3970628, follow these steps: First, ensure the vehicle is on a level surface and the engine is off to obtain an accurate reading. Locate the dipstick tube, usually found near the engine’s center. Pull out the dipstick, wipe it clean with a lint-free cloth, reinsert it fully, and then pull it out again to check the oil level against the markings. For installation, simply insert the new dipstick into the tube until it seats fully.

Troubleshooting and Maintenance

Common issues with dipsticks include inaccurate readings due to contamination or damage. Regularly cleaning the dipstick and ensuring it is fully seated can help maintain accurate readings. If the dipstick appears bent or damaged, it should be replaced to ensure reliable oil level measurements. Routine maintenance of the dipstick involves checking for signs of wear or damage and ensuring the dipstick tube is free from obstructions.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a history spanning over a century, Cummins is renowned for its commitment to quality, innovation, and customer satisfaction. The company’s products are trusted by industries worldwide for their reliability, efficiency, and performance, making Cummins a preferred choice in the commercial vehicle sector.

Role of Part 3970628 Dipstick in Engine Systems

The 3970628 is an essential component in the accurate measurement and monitoring of oil levels within an engine system. It interfaces directly with the oil level gauge, ensuring that the gauge provides precise readings of the oil quantity present in the engine’s oil pan.

When the dipstick is inserted into the oil filler tube, it extends into the oil pan, allowing it to collect a sample of the oil. Upon removal, the oil level can be observed along the dipstick’s markings, which correspond to minimum and maximum oil levels. This direct interaction with the oil facilitates the gauge in displaying the current oil level, enabling engineers and mechanics to make informed decisions regarding oil top-ups or changes.

Moreover, the dipstick plays a role in maintaining the engine’s lubrication system efficiency. By ensuring that the oil level remains within the optimal range, the dipstick helps prevent oil starvation, which can lead to increased friction, overheating, and potential engine damage. Regular checks using the dipstick allow for the early detection of oil leaks or excessive consumption, prompting timely interventions to preserve engine health.

Conclusion

In summary, the 3970628 is integral to the engine’s lubrication system, working in conjunction with the oil level gauge to provide accurate oil level readings and support the engine’s overall performance and longevity.