3426449
Oil Suction Screen
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$3,699.95 $4,402.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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 3426449 Oil Suction Screen is a component designed to enhance the efficiency and reliability of heavy-duty truck engines. Its purpose is to filter contaminants from the engine oil, ensuring that the lubrication system operates effectively. This component is significant in maintaining the overall health and performance of the engine 1.

Basic Concepts of Oil Suction Screens

An oil suction screen is a filter positioned within an engine’s lubrication system. Its function is to capture debris and contaminants that may be present in the oil, preventing them from circulating through the engine. This filtration process is vital for maintaining engine health, as it helps to protect sensitive engine components from wear and damage caused by particulate matter 2.

Purpose of the Cummins 3426449 Oil Suction Screen

The Cummins 3426449 Oil Suction Screen plays a role in the operation of a truck by filtering contaminants from the oil before it is circulated through the engine. This ensures that the oil remains clean and effective in lubricating engine parts, which contributes to the engine’s longevity and performance. By removing impurities, the screen helps maintain the integrity of the lubrication system.

Key Features

The Cummins 3426449 Oil Suction Screen is characterized by its robust design and high-quality material composition. It is engineered to withstand the demanding conditions within a heavy-duty truck engine. The screen’s fine mesh captures a wide range of contaminants, ensuring thorough filtration. Additionally, its construction allows for easy installation and maintenance, enhancing its practicality in a professional setting.

Benefits of Using the Cummins 3426449 Oil Suction Screen

Utilizing the Cummins 3426449 Oil Suction Screen offers several advantages. It contributes to improved engine longevity by ensuring that the lubrication system operates with clean oil. This results in enhanced lubrication efficiency, which is crucial for the optimal performance of engine components. Furthermore, the screen helps reduce maintenance requirements by minimizing the risk of contamination-related issues.

Installation Process

Installing the Cummins 3426449 Oil Suction Screen involves several steps to ensure proper integration into the engine’s lubrication system. Begin by draining the engine oil to prevent spillage during installation. Locate the oil suction screen housing and remove the old screen. Inspect the housing for any debris or damage. Install the new Cummins 3426449 Oil Suction Screen, ensuring it is securely in place. Refill the engine with the appropriate grade of oil and check for leaks. It is important to follow manufacturer guidelines and best practices during installation to avoid potential pitfalls.

Troubleshooting Common Issues

Common problems associated with oil suction screens may include reduced filtration efficiency or screen clogging. If the screen appears to be less effective, it may be due to a buildup of contaminants that require cleaning or replacement. Regular inspection and maintenance can help identify and address these issues promptly. Ensuring the screen is correctly installed and compatible with the engine’s lubrication system is also crucial for optimal performance.

Maintenance Tips

To ensure the optimal performance of the Cummins 3426449 Oil Suction Screen, regular maintenance practices are recommended. Inspect the screen at routine oil change intervals to check for signs of wear or contamination. Cleaning the screen as needed can help maintain its effectiveness. Additionally, following the manufacturer’s guidelines for oil change intervals and using the recommended grade of oil will contribute to the longevity and efficiency of the lubrication system.

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 reputation for innovation, quality, and reliability in the automotive industry. The company offers a comprehensive range of products designed to meet the needs of various applications, from heavy-duty trucks to industrial equipment. Cummins’ commitment to excellence and customer satisfaction has made it a trusted name in the industry.

Cummins Oil Suction Screen Part 3426449 Compatibility

The Cummins Oil Suction Screen part number 3426449 is designed to fit seamlessly with a range of Cummins engines, ensuring optimal performance and longevity. This part is crucial for maintaining the cleanliness of the engine oil by filtering out contaminants before they enter the oil system.

Compatible Engines

  • QSV81G and QSV91G

    The Oil Suction Screen part 3426449 is compatible with both the QSV81G and QSV91G engines. These engines are known for their robust design and reliability, making them suitable for various heavy-duty applications. The screen ensures that the oil remains free from debris, which is essential for the longevity and efficiency of these engines.

  • QSW/QSV82

    The QSW/QSV82 engines also benefit from the use of the Cummins Oil Suction Screen part 3426449. This engine model is designed to deliver high performance and efficiency, and the oil suction screen plays a vital role in protecting the engine from harmful contaminants.

  • QSW73

    The QSW73 engine is another model that is compatible with the part 3426449. This engine is engineered for durability and reliability, and the oil suction screen is a critical component in maintaining its operational integrity.

By ensuring that the oil suction screen is properly installed and maintained, users can enhance the performance and lifespan of their Cummins engines, regardless of the specific model.

Role of Part 3426449 Oil Suction Screen in Engine Systems

The Part 3426449 Oil Suction Screen is an essential component in the lubrication system of various engine setups. Its primary function is to filter out contaminants from the oil before it is drawn into the engine’s oil pump. This ensures that the oil circulating through the engine remains clean, thereby protecting vital engine components from wear and damage.

In the Oil Assembly Pan, the suction screen is positioned to capture debris such as metal shavings, dirt, and other particulates that may have accumulated in the oil. This is particularly important in maintaining the efficiency and longevity of the oil pump and other moving parts within the engine.

Similarly, in the Oil Sub-Assembly Pan, the screen plays a significant role in preliminary filtration. As oil is collected in this pan before being transferred to the main oil assembly pan, the screen ensures that any contaminants are removed at this early stage, preventing them from entering the main lubrication circuit.

The general Pan component, whether it is part of the main assembly or a sub-assembly, relies on the suction screen to maintain oil quality. By filtering out impurities, the screen helps in preserving the integrity of the oil, which is paramount for the smooth operation of the engine.

Lastly, in relation to the Oil itself, the suction screen ensures that the lubricant remains free from contaminants. Clean oil is essential for reducing friction between moving parts, dissipating heat, and carrying away debris, all of which contribute to the overall performance and durability of the engine.

Conclusion

The Cummins 3426449 Oil Suction Screen is a vital component in maintaining the efficiency and reliability of heavy-duty truck engines. By filtering contaminants from the engine oil, it ensures that the lubrication system operates effectively, contributing to the engine’s longevity and performance. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.


  1. Hilgers, M., & Achenbach, W. (2021). Vocational Vehicles and Applications. Springer Vieweg.

  2. Hu, H., Smaling, R., & Baseley, S. (2014). Heavy-Duty Wheeled Vehicles. SAE International.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
52.7 x 52.7 x 10.2 in
Weight
7.08 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.