4099665
Air Cleaner Cap
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$639.95 $761.54

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 4099665 Air Cleaner Cap is a component designed for use in heavy-duty trucks. Its purpose is to cover and secure the air cleaner assembly, ensuring that the air intake system functions correctly. This part plays a role in the engine cooling system by providing a sealed environment for the air filtration process, which is essential for maintaining the efficiency and performance of the truck’s engine 1.

Function and Operation

The Cummins 4099665 functions as a protective cover for the air cleaner element within the truck’s air intake system. It ensures that air entering the engine is filtered properly before combustion. The cap creates a sealed chamber around the air cleaner, preventing unfiltered air from bypassing the filtration system and entering the engine. This sealed environment is important for maintaining the cleanliness of the air that the engine consumes, which directly impacts engine performance and longevity 2.

Key Features

The Cummins 4099665 is characterized by several key features that enhance its functionality and durability. It is constructed from high-quality materials that are resistant to the harsh conditions typically encountered in heavy-duty truck operations. The design of the cap includes secure attachment points that ensure it remains firmly in place under various driving conditions. Additionally, the cap is engineered to accommodate the specific dimensions and requirements of the Cummins air cleaner assembly, ensuring a precise fit and effective sealing.

Benefits

The use of the Cummins 4099665 offers several benefits. It contributes to improved engine performance by ensuring that only clean, filtered air enters the engine. This can lead to increased fuel efficiency, as the engine operates more efficiently with clean air. Furthermore, the cap enhances the durability of the air cleaner system by protecting it from external contaminants and physical damage, which can extend the overall lifespan of the truck’s engine.

Installation Process

Installing the Cummins 4099665 requires careful attention to ensure a proper fit and seal. The process involves positioning the cap over the air cleaner assembly and securing it in place using the provided fasteners. It is important to ensure that the cap is aligned correctly and that all attachment points are tightened to the manufacturer’s specifications. This may require the use of specific tools to achieve the correct torque settings.

Maintenance and Care

Regular maintenance and care of the Cummins 4099665 are important for ensuring optimal performance and longevity. This includes periodic inspection for signs of wear or damage, such as cracks or leaks, which could compromise the seal of the air cleaner system. Cleaning the cap as part of routine maintenance can help prevent the accumulation of dirt and debris, which may affect its functionality. If the cap becomes damaged or worn, it should be replaced to maintain the integrity of the air intake system.

Troubleshooting Common Issues

Common issues that may arise with the Cummins 4099665 include leaks, cracks, or reduced airflow. These issues can often be identified through visual inspection or by noticing a decrease in engine performance. To address these problems, it is important to inspect the cap for any visible damage and ensure that it is securely fastened. If leaks or cracks are present, the cap may need to be replaced. Regular maintenance and careful handling can help prevent these issues from occurring.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the automotive industry for producing reliable and high-performance components. The company’s commitment to quality is evident in its product offerings, which are designed to meet the demanding requirements of heavy-duty applications.

Cummins Air Cleaner Cap 4099665 Compatibility

The Cummins Air Cleaner Cap 4099665 is designed to fit seamlessly with several engine models, ensuring optimal performance and reliability. This part is engineered to work with the G855 and N14 G engines, providing a secure and efficient seal for the air cleaner system.

G855 Engine

For the G855 engine, the Air Cleaner Cap 4099665 is a component that ensures the air cleaner system operates efficiently. This cap fits precisely over the air cleaner assembly, preventing contaminants from entering the intake system. Its design allows for easy installation and removal, making maintenance straightforward and hassle-free.

N14 G Engine

Similarly, the N14 G engine benefits from the use of the Cummins Air Cleaner Cap 4099665. This part is specifically engineered to match the unique design and requirements of the N14 G engine, ensuring a perfect fit and reliable performance. The cap’s design helps maintain the integrity of the air cleaner system, contributing to the engine’s overall efficiency and longevity.

By using the Cummins Air Cleaner Cap 4099665, owners of G855 and N14 G engines can be confident that their air cleaner systems are protected, leading to improved engine performance and reduced maintenance needs.

Role of Part 4099665 Air Cleaner Cap in Engine Systems

The 4099665 Air Cleaner Cap is a component in the air intake system of an engine. It is designed to securely cover the air cleaner assembly, ensuring that the air entering the engine is filtered properly before it reaches the combustion chamber.

This cap works in conjunction with the air cleaner element, which is responsible for trapping dust, dirt, and other contaminants from the incoming air. By maintaining a sealed environment, the 4099665 Air Cleaner Cap helps to prevent unfiltered air from bypassing the cleaner element, thus preserving the efficiency and longevity of the engine.

Additionally, the cap contributes to the overall pressure dynamics within the intake system. It helps maintain a consistent airflow, which is vital for optimal engine performance. The sealed cap ensures that the air pressure remains stable, allowing the engine to operate smoothly under various conditions.

Conclusion

In summary, the 4099665 Air Cleaner Cap plays a role in maintaining the integrity of the air intake system, ensuring clean air delivery to the engine, and contributing to the overall efficiency and performance of the engine system.


  1. Reif, Konrad, ed. Gasoline Engine Management Systems and Components. Springer Vieweg, 2015.

  2. Sobey, Ed. A Field Guide to Automotive Technology. Chicago Review Press, 2009.

SPECIFICATIONS

Package Dimensions
13.4 x 13.4 x 5.75 in
Weight
4.87 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.