4390623
Fuel Filter
Cummins®

AVAILABLE

Cummins®

More than 10 are currently available

Ships within 2-4 business days

$749.95 $892.44

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 4390623 Fuel Filter is a component designed for use in commercial trucks. Its purpose is to ensure that the fuel delivered to the engine is free from contaminants, thereby supporting efficient and reliable engine operation. This filter is part of Cummins Inc.’s range of products aimed at enhancing the performance and longevity of commercial vehicles.

Basic Concepts of Fuel Filters

A fuel filter is a device that removes impurities and contaminants from the fuel before it reaches the engine. Within a truck’s fuel system, the filter plays a role by trapping particles that could otherwise cause damage or reduce efficiency. Clean fuel is important for maintaining engine performance, as contaminants can lead to wear, reduced fuel efficiency, and potential engine failure 1.

Purpose of the Cummins 4390623 Fuel Filter

This Cummins part is specifically designed to ensure that the fuel supplied to the engine is free of contaminants. By filtering out particles and impurities, it helps maintain the cleanliness of the fuel, which is vital for the engine’s operation. This contributes to consistent engine performance and helps protect sensitive engine components from damage.

Key Features

This part is constructed with materials that offer durability and efficient filtration. Its design includes a high-quality filter media that provides effective contaminant removal. The filter is engineered to meet the demands of commercial truck applications, ensuring reliable performance under various operating conditions. Unique attributes may include a robust housing designed to withstand the pressures and temperatures of the fuel system.

Benefits of Using the Cummins 4390623 Fuel Filter

Installing this Cummins part can lead to several advantages. These include improved engine performance due to cleaner fuel, enhanced engine longevity as a result of reduced wear from contaminants, and increased reliability of the fuel system. The filter contributes to maintaining the overall efficiency and effectiveness of the engine.

Installation and Compatibility

Proper installation of this part is important to ensure it functions correctly within the fuel system. Guidelines for installation should be followed to avoid issues such as leaks or improper filtration. Compatibility with specific truck models is a consideration, and it is important to verify that the filter is suitable for the intended application.

Maintenance and Service Intervals

Regular maintenance checks and adherence to service intervals are recommended to ensure the optimal performance and longevity of this part. This includes monitoring the filter’s condition and replacing it as needed to maintain the quality of the fuel being delivered to the engine.

Troubleshooting Common Issues

Common problems associated with fuel filters can include reduced fuel flow, engine performance issues, or contamination in the fuel system. Potential causes may be a clogged filter or installation errors. Troubleshooting steps may involve inspecting the filter for signs of contamination, ensuring proper installation, and replacing the filter if necessary.

Cummins Corporation Overview

Cummins Inc. is a company with a history of providing quality products for the automotive industry. Its product range includes a variety of components designed for commercial vehicles, with a focus on performance, reliability, and innovation. Cummins is committed to delivering solutions that meet the needs of its customers and contribute to the efficiency and effectiveness of their operations 2.

Cummins Fuel Filter 4390623 Compatibility with ISV Engines

This part is designed to seamlessly integrate with various ISV engines, ensuring optimal performance and reliability. This fuel filter is engineered to meet the stringent requirements of the ISV engines, providing efficient filtration that helps maintain the engine’s operational efficiency.

Integration with ISV Engines

This part is specifically tailored to fit within the fuel systems of ISV engines, ensuring a precise and secure fit. This compatibility is crucial for maintaining the engine’s performance and longevity. The filter’s design allows it to effectively remove contaminants from the fuel, preventing potential damage to the engine’s components.

Ensuring Optimal Performance

By integrating this part into the ISV engines, users can expect enhanced engine performance. The filter’s high-quality construction ensures that it can withstand the demands of the engine, providing consistent filtration and protection. This results in improved fuel efficiency and reduced wear on engine components, ultimately extending the engine’s lifespan.

Reliability and Trustworthiness

The Cummins brand is synonymous with reliability and durability, and this part is no exception. This part is manufactured to the highest standards, ensuring that it will perform reliably under various operating conditions. Its compatibility with ISV engines further underscores its reliability, making it a trusted choice for engine maintenance and performance enhancement.

Role of Part 4390623 Fuel Filter in Engine Systems

This part is an integral component within the fuel system of an engine, ensuring the delivery of clean fuel to the combustion chamber. This filter is positioned between the fuel tank and the fuel injectors or carburetor, intercepting the fuel flow to remove impurities and contaminants.

As fuel is drawn from the tank, it passes through the 4390623 Fuel Filter, where particulates such as dirt, rust, and debris are trapped. This purification process is essential for maintaining the efficiency and longevity of the fuel injectors and other sensitive components within the fuel system.

The clean fuel, now free from contaminants, continues its journey to the fuel injectors. Here, it is atomized into a fine mist and injected into the combustion chamber, where it mixes with air and ignites to produce power. The role of the 4390623 Fuel Filter in this process cannot be overstated, as it directly influences the performance and reliability of the engine.

In engines equipped with a carburetor, the 4390623 Fuel Filter ensures that the fuel-air mixture is not compromised by impurities, which could lead to poor engine performance, decreased fuel efficiency, and potential damage to the carburetor over time.

Overall, the 4390623 Fuel Filter plays a significant role in maintaining the integrity of the fuel as it travels through the system, supporting optimal engine operation and contributing to the overall health of the engine components.

Conclusion

The Cummins 4390623 Fuel Filter is a vital component in the maintenance and performance of commercial truck engines. By ensuring the delivery of clean fuel, it supports efficient engine operation, enhances engine longevity, and contributes to the overall reliability of the vehicle. Proper installation, regular maintenance, and adherence to service intervals are essential for maximizing the benefits of this part. Its compatibility with ISV engines and the reputation of Cummins Inc. for quality and reliability make it a trusted choice for engine maintenance and performance enhancement.


  1. Kasab, J., & Strzelec, A. (2020). Automotive Emissions Regulations and Exhaust Aftertreatment Systems. SAE International.

  2. Naunheimer, H., Bertsche, B., Ryborz, J., & Novak, W. (2011). Automotive Transmissions Fundamentals Selection Design and Application. Springer Vieweg.

SPECIFICATIONS

Package Dimensions
13.01 x 12.66 x 10.36 in
Weight
4.485 lb
* 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.