3866581
Air Cleaner
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$184.95 $220.09

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 3866581 Air Cleaner is a component designed to enhance the operation of commercial trucks. Its role is to filter the air entering the engine, ensuring that only clean air reaches the combustion chamber. This contributes to the overall efficiency and longevity of the engine 2.

Basic Concepts of Air Cleaners

An air cleaner, also known as an air filter, is a device that removes contaminants from the air in a system to improve engine performance. In the context of a truck’s engine system, the air cleaner plays a role in trapping dust, dirt, and other particulates that could otherwise cause damage or reduce efficiency. By maintaining clean air intake, the air cleaner helps to protect the engine’s internal components and ensures optimal combustion 1.

Purpose of the Cummins 3866581 Air Cleaner

The Cummins 3866581 Air Cleaner is designed to play a role in the truck’s engine system by filtering the air that enters the engine. This filtration process removes impurities that could otherwise lead to engine wear or decreased performance. By providing clean air to the engine, this air cleaner contributes to maintaining engine efficiency and extending its operational life 2.

Key Features

The Cummins 3866581 Air Cleaner is characterized by several key features that enhance its functionality. Its design incorporates high-quality materials that are resistant to the harsh conditions often encountered in commercial trucking. The air cleaner also features a robust construction that ensures durability under demanding use. Additionally, it is engineered to provide a high level of filtration efficiency, capturing a wide range of particulate sizes to protect the engine 2.

Benefits of Using the Cummins 3866581 Air Cleaner

Utilizing the Cummins 3866581 Air Cleaner in a truck’s engine system offers several benefits. It contributes to improved engine efficiency by ensuring that the air entering the engine is free from contaminants. This can lead to reduced maintenance costs over time, as a cleaner engine operates more smoothly and requires less frequent servicing. Furthermore, the enhanced filtration provided by this air cleaner can contribute to the overall durability of the engine, potentially extending its service life 2.

Installation Process

Installing the Cummins 3866581 Air Cleaner involves several steps to ensure proper fit and function. The process begins with the removal of the old air cleaner, if present. The new air cleaner is then positioned in the designated location on the engine, ensuring that all connections are secure. Tools required for installation may include basic hand tools for removal and attachment. It is important to follow the manufacturer’s instructions to ensure correct installation 2.

Maintenance and Care

Regular maintenance and care of the Cummins 3866581 Air Cleaner are important for ensuring optimal performance and longevity. This includes periodic inspection for signs of wear or damage, and cleaning or replacement of the filter element as recommended by the manufacturer. Keeping the air cleaner in good condition helps to maintain engine efficiency and protect against the ingestion of contaminants 2.

Troubleshooting Common Issues

Common issues with the Cummins 3866581 Air Cleaner may include reduced filtration efficiency or physical damage to the unit. Troubleshooting steps can involve inspecting the air cleaner for signs of wear, ensuring that it is properly installed, and checking for any obstructions in the air intake path. If the filter element appears clogged or damaged, it should be cleaned or replaced according to the manufacturer’s guidelines 2.

Cummins: A Brief Overview

Cummins Inc. is a corporation known for designing, manufacturing, and distributing diesel and natural gas engines, as well as related technologies. With a history spanning several decades, Cummins has established a reputation for quality and reliability in the commercial truck industry. The company’s product range includes engines, filtration systems, and other components designed to enhance the performance and efficiency of commercial vehicles 2.

Cummins Air Cleaner Part 3866581 Compatibility

The Cummins air cleaner part number 3866581 is designed to fit seamlessly with a variety of engine models, ensuring optimal air filtration and engine performance. This part is engineered to provide a reliable and efficient air intake system, which is crucial for maintaining the engine’s health and efficiency 2.

Engine Compatibility

  • 6B5.9 Series

    • The 3866581 air cleaner is specifically designed to fit the 6B5.9 engine series. This engine is known for its robust performance and reliability, making it a popular choice in various applications. The air cleaner ensures that the engine receives clean and filtered air, which is essential for preventing dust and debris from entering the combustion chamber 2.
  • Other Cummins Engines

    • While the primary focus is on the 6B5.9 series, the 3866581 air cleaner is also compatible with other Cummins engines. This versatility ensures that users can maintain a consistent air filtration system across different engine models, simplifying maintenance and part replacement 2.

Installation and Functionality

The installation of the 3866581 air cleaner is straightforward, designed to fit snugly and securely within the engine’s air intake system. This ensures that the air cleaner performs its function effectively, providing a barrier against contaminants while allowing for efficient airflow. The design of the part is such that it can be easily integrated into the existing engine setup, minimizing downtime and ensuring that the engine continues to operate at peak performance 2.

Role of Part 3866581 Air Cleaner in Engine Systems

The air cleaner, specifically part 3866581, is an essential component in the engine system, ensuring the engine operates efficiently and effectively. It is designed to filter out contaminants from the air before it enters the engine’s combustion chamber 2.

When air enters the engine system, it first passes through the air cleaner. The air cleaner houses a filter element that traps dust, dirt, and other particulates, preventing them from entering the engine. This clean air then moves through the intake manifold, where it mixes with fuel to create a combustible mixture.

The clean air-fuel mixture is then drawn into the cylinders through the intake valves. Inside the cylinders, the mixture is compressed by the pistons and ignited by the spark plugs, producing the power that drives the engine.

The air cleaner also plays a role in maintaining the correct air-to-fuel ratio. By ensuring that the air entering the engine is free from contaminants, it helps the engine management system deliver the optimal amount of fuel, leading to better fuel efficiency and reduced emissions 1.

Furthermore, the air cleaner contributes to the longevity of the engine. By filtering out harmful particles, it reduces the wear and tear on critical engine components such as the pistons, cylinders, and valves. This results in fewer maintenance requirements and extended engine life 2.

Conclusion

In summary, the Cummins 3866581 Air Cleaner is integral to the engine system, enhancing performance, efficiency, and durability by providing clean air for combustion. Its robust design, high filtration efficiency, and compatibility with various Cummins engines make it a valuable component for maintaining engine health and performance 2.


  1. Automotive Lubricants Reference Book, Arthur J Caines, Roger F Haycock and John E Hillier, SAE International, 2004

  2. Diesel Technology Fundamentals Service Repair Eighth Edition, Andrew Norman, The Goodheart-Willcox Company Inc, 2016

SPECIFICATIONS

Service Part Topic
06T10-21
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
23.0 x 1.0 x 1.0 in
Weight
1 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.