5291450
Dipstick
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$134.95 $160.59

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

The Cummins 5291450 Dipstick is a specialized component designed for use in heavy-duty trucks. Its purpose is to facilitate the measurement of oil levels within the engine, ensuring that the lubrication system operates efficiently. This part is significant in the maintenance routine of heavy-duty trucks, as it allows for regular checks and adjustments of oil levels, which are vital for the longevity and performance of the engine.

Basic Concepts of a Dipstick

A dipstick is a simple yet essential tool used in engines to measure the level of lubricant, typically oil. It consists of a long, thin metal or plastic rod with a handle at one end. The other end is inserted into the engine’s oil sump. The dipstick operates on the principle of capillary action, where the oil rises along the dipstick to a certain level, indicating the amount of oil present in the sump. Markings on the dipstick provide a visual reference for the minimum and maximum oil levels 1.

Purpose of the Cummins 5291450 Dipstick

This Cummins part plays a role in the operation and maintenance of a truck by allowing for the precise measurement of oil levels. This is important for ensuring that the engine has the correct amount of lubrication, which is necessary for reducing friction between moving parts, cooling the engine, and carrying away contaminants. Regular checks with the dipstick help in identifying when oil levels are low, prompting timely top-ups or changes, which are important for maintaining engine health 2.

Key Features

The Cummins 5291450 Dipstick is designed with specific elements that enhance its performance and durability. It is constructed from high-quality materials that resist corrosion and wear, ensuring longevity even in the harsh environments typical of heavy-duty truck operations. The dipstick features clear, easy-to-read markings for oil level indication, and its design allows for a secure fit within the engine, minimizing the risk of oil leaks.

Benefits

Using the Cummins 5291450 Dipstick offers several advantages. Its design ensures accuracy in oil level measurement, which is important for maintaining optimal engine performance. The ease of use, with a straightforward insertion and removal process, makes it a practical tool for regular maintenance checks. Additionally, the reliability of the dipstick, thanks to its durable construction, ensures that it can withstand the rigors of heavy-duty truck use, providing consistent performance over time.

Installation and Usage

To install and use the Cummins 5291450 Dipstick, follow these steps: First, ensure the truck is on a level surface and the engine is off. Locate the dipstick tube, usually found near the engine’s oil filter. 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. The oil should be between the minimum and maximum marks. For accurate readings, check the oil level when the engine is cold, or wait a few minutes after turning it off to allow the oil to settle.

Troubleshooting and Maintenance

Common issues with dipsticks may include difficulty in reading the oil level due to worn markings or oil leaks around the dipstick tube. To troubleshoot, ensure the dipstick is fully seated when taking a reading and check for any damage or corrosion. Regular maintenance involves keeping the dipstick and its tube clean and ensuring it is properly secured. If the dipstick shows signs of wear or if oil levels are consistently incorrect, consider replacing it to maintain engine health.

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 a reputation for innovation, quality, and reliability in the automotive industry, particularly in the production of diesel engines and components. The company’s commitment to excellence is reflected in its products, including the Cummins 5291450 Dipstick, which is designed to meet the demanding requirements of heavy-duty truck applications.

Cummins Engine Dipstick Compatibility

The Cummins part number 5291450, which is a Dipstick, is designed to be compatible with several engine models within the Cummins lineup. This dipstick is integral for checking the oil level and ensuring the engine operates smoothly. Below is a detailed breakdown of the engine compatibility for this dipstick:

ISL Series Engines

  • ISL CM2150
  • ISL9 CM2150 SN
  • ISL9 CM2250

The ISL series engines, including the ISL CM2150, ISL9 CM2150 SN, and ISL9 CM2250, are high-performance engines known for their reliability and efficiency. The dipstick 5291450 fits these engines seamlessly, providing accurate oil level readings essential for maintaining optimal engine performance.

QSL Series Engines

  • QSL8.9 CM2150 L141
  • QSL9 CM2250
  • QSL9 CM2350 L102
  • QSL9 CM850 (CM2850)

The QSL series engines, such as the QSL8.9 CM2150 L141, QSL9 CM2250, QSL9 CM2350 L102, and QSL9 CM850 (CM2850), are designed for heavy-duty applications and are widely used in various industries. The dipstick 5291450 is engineered to fit these engines, ensuring that users can easily monitor and maintain the oil levels, which is crucial for the longevity and efficiency of these robust engines.

L8.9 Engine

  • L8.9

The L8.9 engine is another model in the Cummins lineup, known for its durability and performance. The dipstick 5291450 is compatible with the L8.9 engine, providing a reliable means to check oil levels and ensure the engine runs smoothly.

By using the Cummins part number 5291450 dipstick, users can ensure that their engines are properly maintained, regardless of the specific model within the ISL, QSL, or L8.9 series. This compatibility highlights Cummins’ commitment to providing high-quality, reliable parts that fit seamlessly with their range of engines.

Role of Part 5291450 Dipstick in Engine Systems

The part 5291450 dipstick is an essential component in the maintenance and monitoring of engine systems. It works in conjunction with several key components to ensure the engine operates efficiently and reliably.

Interaction with the Gauge

The dipstick interfaces directly with the oil level gauge system. When the dipstick is inserted into the engine, it provides a physical measurement of the oil level. This measurement is then visually interpreted by the gauge, allowing mechanics and engineers to assess whether the oil level is within the optimal range. The accuracy of the dipstick’s measurement is vital for the gauge to provide reliable readings, ensuring that the engine is neither overfilled nor underfilled with oil.

Oil Level Monitoring

In addition to its role with the gauge, the dipstick plays a significant part in the overall oil level monitoring process. Regular checks using the dipstick help in identifying any anomalies in oil consumption, which could indicate underlying issues such as oil leaks or excessive oil burn-off. This proactive monitoring allows for timely interventions, preventing potential engine damage and ensuring longevity of the engine components.

Maintenance and Diagnostic Role

Beyond routine checks, the dipstick is also instrumental in diagnostic procedures. When performing an oil change or investigating engine performance issues, the condition of the oil on the dipstick—such as its color, viscosity, and any contaminants—provides valuable insights. This information aids in determining the health of the engine and the necessity for further maintenance actions.

Conclusion

In summary, the part 5291450 dipstick is integral to the engine system, facilitating accurate oil level measurements, aiding in routine maintenance, and supporting diagnostic efforts. Its reliable function ensures that the engine remains in optimal condition, contributing to the overall efficiency and performance of the vehicle.


  1. Gilles, Tim. Automotive Service: Inspection, Maintenance, Repair: 2nd Edition. Cengage Learning, 2020.

  2. Hilgers, Michael and Achenbach, Wilfried. Vocational Vehicles and Applications. Springer Vieweg, 2021.

SPECIFICATIONS

Package Dimensions
11.2 x 2.5 x 11.7 in
Weight
1.85 lbs
* 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.