3965117
Dipstick
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$114.95 $136.79

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

Introduction

The Cummins 3965117 Dipstick is a specialized component designed for use in heavy-duty trucks. Its primary function is to facilitate the monitoring of oil levels within the engine, ensuring that the engine operates within optimal parameters. This part is integral to the maintenance and operational efficiency of heavy-duty trucks, providing a straightforward yet effective means of assessing engine health through regular oil level checks.

Basic Concepts of a Dipstick

A dipstick is a simple yet vital tool used in internal combustion engines to measure the level of lubricant, typically oil, within the engine. 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 The rod is inserted into the engine’s oil sump through a tube, and when withdrawn, the oil level is indicated by the oil residue on the dipstick. This measurement is crucial for maintaining the engine’s lubrication system, ensuring that there is sufficient oil to reduce friction, dissipate heat, and protect engine components from wear 1.

Purpose of the Cummins 3965117 Dipstick

The Cummins 3965117 Dipstick serves a specific role in the operation and maintenance of heavy-duty trucks by allowing for the precise measurement of engine oil levels. This is particularly important in heavy-duty applications where engines operate under extreme conditions, requiring consistent lubrication to maintain performance and longevity. By providing an accurate reading of the oil level, this part enables technicians and operators to ensure that the engine is adequately lubricated, thereby contributing to the overall efficiency and reliability of the vehicle.

Key Features

The Cummins 3965117 Dipstick is designed with several key features that enhance its functionality and durability. It is constructed from high-quality materials to withstand the harsh environments typical of heavy-duty truck operations. The dipstick’s design includes a clearly marked scale for accurate oil level readings, and it may feature a spring-loaded mechanism to ensure a secure fit within the engine’s oil tube. These characteristics contribute to the dipstick’s reliability and ease of use.

Benefits of Using the Cummins 3965117 Dipstick

Utilizing the Cummins 3965117 Dipstick offers several advantages. Its design ensures accurate oil level readings, which is crucial for maintaining engine health. The ease of use, combined with the durability of the materials, makes it a reliable tool for regular maintenance checks. Furthermore, by ensuring that the engine is properly lubricated, this part contributes to the longevity of the engine, potentially reducing maintenance costs and enhancing vehicle performance.

Troubleshooting and Maintenance Suggestions

Common issues with dipsticks may include inaccurate readings due to contamination or damage to the dipstick or its tube. To troubleshoot these problems, it is advisable to clean the dipstick thoroughly before each use and inspect it for any signs of wear or damage. Regular maintenance of the dipstick and its surrounding components can help ensure accurate readings and prolong the dipstick’s lifespan. Additionally, following the manufacturer’s guidelines for oil change intervals and using the recommended type of oil can contribute to the overall health of the engine.

Installation and Usage

To install and use the Cummins 3965117 Dipstick, first, ensure the engine is turned off and has had sufficient time to cool. Locate the dipstick tube, usually found near the engine’s top. Remove the dipstick by pulling it straight out of the tube. Wipe it clean with a lint-free cloth, reinsert it fully into the tube, and then withdraw it to check the oil level. The oil level should be within the marked range on the dipstick. If necessary, add oil to bring the level within the recommended range. Always follow safety precautions, such as wearing gloves and ensuring the work area is well-ventilated.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation in the automotive industry, particularly in the heavy-duty truck sector. The company’s product range includes a variety of engines and components designed to meet the demanding requirements of heavy-duty applications, ensuring reliability, performance, and efficiency. Cummins’ commitment to innovation and quality has made it a preferred choice for professionals in the automotive and transportation industries.

Cummins Engine Dipstick Compatibility

The Cummins part number 3965117, which is a Dipstick, is designed to fit seamlessly with several engine models. This part is essential for checking the oil level in the engine, ensuring that the engine operates smoothly and efficiently.

Compatible Engines

  • 6B5.9
  • QSB5.9 30 CM550
  • QSB5.9 44 CM550

These engines, while differing in some specifications, share a common design feature that allows the dipstick to fit properly. The dipstick is engineered to interface with the oil pan and provide an accurate reading of the oil level, which is crucial for maintaining engine health.

The compatibility of the dipstick across these engines ensures that users can easily monitor their engine’s oil levels without needing different parts for each engine model. This standardization simplifies maintenance and ensures that the correct part is used, regardless of the specific engine variant.

Role of Part 3965117 Dipstick in Engine Systems

The part 3965117 dipstick is an essential component in the maintenance and monitoring of engine systems. It works in conjunction with several other components to ensure the engine operates efficiently and safely.

Interaction with the Oil Level

The primary function of the dipstick is to measure the oil level within the engine. It is inserted into the oil filler tube, which is connected to the oil pan. The dipstick provides a physical means to check the oil level, ensuring it remains within the optimal range. This is important for lubrication, cooling, and cleaning within the engine.

Connection to the Gauge

In some engine systems, the dipstick is also linked to an oil level gauge. This gauge offers a visual or digital readout of the oil level, providing an additional layer of monitoring. The gauge can be particularly useful in high-performance or complex engine systems where precise oil levels are necessary for optimal performance.

Overall Engine Health

By accurately measuring the oil level, the dipstick helps maintain the overall health of the engine. Proper oil levels are necessary for reducing friction between moving parts, dissipating heat, and carrying away contaminants. This, in turn, contributes to the longevity and efficiency of the engine.

Conclusion

In summary, the Cummins 3965117 Dipstick plays a significant role in the maintenance and monitoring of engine systems by ensuring the oil level remains optimal, working in tandem with gauges for enhanced accuracy, and contributing to the overall health and performance of the engine.


  1. Awari, G.K., Kumbhar, V.S., and Tirpude, R.B. (2011). Automotive Systems Principles and Practice. CRC Press.

* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.