4944981
Plain Washer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$3.99 $4.75

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 4944981 Air Intake Connection is a component manufactured by Cummins, a well-established name in the heavy-duty truck industry. This part is designed to facilitate the efficient flow of air into the engine, playing a role in the overall performance and efficiency of heavy-duty trucks. Cummins, known for its robust and reliable engine components, ensures that this air intake connection meets the demanding requirements of heavy-duty applications 1.

Basic Concepts of Air Intake Connections

An air intake connection is a component in a truck’s engine system, responsible for directing air from the outside environment into the engine. This air mixes with fuel in the combustion chamber, where it is ignited to produce the power that drives the vehicle. The efficiency of this air intake process directly influences engine performance, fuel efficiency, and emissions. A well-designed air intake connection ensures that the engine receives a consistent and clean supply of air, optimizing combustion and overall engine operation 2.

Purpose of the 4944981 Air Intake Connection

The 4944981 is specifically engineered to enhance the air intake process in heavy-duty trucks. It plays a role in the air intake system by providing a secure and efficient pathway for air to enter the engine. This part is designed to withstand the harsh conditions typical of heavy-duty truck operations, ensuring reliable performance over time. By facilitating a smooth and unobstructed flow of air, the 4944981 contributes to the engine’s ability to operate efficiently and effectively 3.

Key Features

The 4944981 boasts several key features that enhance its functionality and durability. Constructed from high-quality materials, it is designed to resist corrosion and wear, ensuring long-term reliability. Its design includes precise fittings and connections that ensure a secure and leak-free installation. Additionally, the part may feature unique attributes such as reinforced sections or specialized coatings that further enhance its performance and durability in demanding environments.

Benefits

The benefits of using the 4944981 include improved engine efficiency and durability. By ensuring a consistent and clean supply of air to the engine, this part contributes to more efficient combustion, which can lead to better fuel economy and reduced emissions. Its durable construction and reliable performance also mean that it requires less frequent replacement or maintenance, offering long-term value to truck operators.

Installation Process

Installing the 4944981 requires careful attention to detail to ensure proper fitting and function. The process involves disconnecting the old air intake connection, cleaning the area to ensure a clean surface for the new part, and then securing the 4944981 in place using the appropriate tools and fasteners. It is important to follow the manufacturer’s guidelines for installation to ensure that the connection is secure and functions as intended.

Maintenance Tips

To ensure the longevity and optimal performance of the 4944981, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning the connection to remove any debris or contaminants that could obstruct airflow, and ensuring that all connections are secure and leak-free. Following these maintenance tips can help prevent issues and ensure that the air intake connection continues to function efficiently.

Troubleshooting Common Issues

Common issues associated with air intake connections, such as leaks or blockages, can affect engine performance. Diagnosing these issues involves checking for visible signs of damage or wear, listening for unusual noises that may indicate a leak, and ensuring that the connection is securely fitted. Resolving these issues may involve cleaning the connection, tightening or replacing fasteners, or in some cases, replacing the air intake connection if it is damaged beyond repair.

Compatibility and Usage

The 4944981 is designed for use in specific types of trucks and engines, with guidelines and limitations provided by the manufacturer to ensure proper fit and function. It is important to consult the manufacturer’s specifications to confirm compatibility with your vehicle and to follow any specific usage guidelines to ensure optimal performance and longevity of the component.

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 quality, reliability, and innovation in the heavy-duty truck industry. The company’s product range includes a variety of engine components and systems designed to meet the demanding requirements of heavy-duty applications, ensuring that vehicles operate efficiently and reliably in a wide range of conditions.

Air Intake Connection Part 4944981 Compatibility with Cummins Engines

The 4944981 is designed to fit seamlessly with specific Cummins engines, ensuring optimal performance and reliability. This part is crucial for the proper functioning of the engine’s air intake system, which is vital for maintaining efficient combustion and overall engine health.

QSB3.3 CM2150 and QSB3.3 CM2250 EC

The 4944981 is compatible with the QSB3.3 CM2150 and QSB3.3 CM2250 EC engines. These engines are part of Cummins’ QSB series, known for their robust design and versatility in various applications, from industrial to agricultural use. The part’s design ensures a secure and leak-free connection, which is essential for maintaining the engine’s air-to-fuel ratio and preventing performance degradation.

Grouping for Compatibility

When considering the compatibility of the 4944981, it is important to note that it is specifically engineered to fit within the QSB3.3 series engines. This grouping ensures that the part meets the precise specifications required for these engines, providing a reliable and efficient fit. The part’s design takes into account the unique characteristics of the QSB3.3 engines, ensuring that it functions optimally within this engine family.

By ensuring that the 4944981 is used with the correct engines, users can maintain the integrity of their engine’s air intake system, leading to improved performance and longevity.

Role of Part 4944981 Air Intake Connection in Engine Systems

The 4944981 is an integral component in the orchestration of various engine systems, ensuring optimal performance and efficiency.

Integration with the Breather System

The Air Intake Connection interfaces with the breather system to regulate the airflow within the engine compartment. This regulation is essential for maintaining a balanced pressure environment, which in turn facilitates the efficient operation of the engine. The breather system, in conjunction with the Air Intake Connection, expels excess gases and moisture from the crankcase, preventing the buildup of contaminants that could impair engine performance.

Interaction with the Crankcase

In the crankcase, the Air Intake Connection plays a significant role in the ventilation process. It allows for the controlled introduction of fresh air into the crankcase, which dilutes the concentration of blow-by gases. This dilution is vital for reducing the formation of sludge and deposits, which can lead to increased wear on engine components. The Air Intake Connection ensures that the crankcase maintains a clean environment, contributing to the longevity and reliability of the engine.

Coordination with the Engine Control Module (ECM)

The Air Intake Connection also works in tandem with the Engine Control Module (ECM) to optimize engine performance. By providing the ECM with accurate data on air intake levels, the Air Intake Connection enables the ECM to make precise adjustments to fuel delivery and ignition timing. This synergy between the Air Intake Connection and the ECM ensures that the engine operates within its optimal parameters, enhancing fuel efficiency and reducing emissions.

Overall Engine System Harmony

In summary, the 4944981 is a linchpin in the engine’s respiratory system. Its seamless integration with the breather, crankcase, and ECM ensures that the engine operates in a clean, balanced, and efficient manner. This component’s role in facilitating proper airflow and communication within the engine system underscores its importance in maintaining overall engine health and performance.

Conclusion

The 4944981 Air Intake Connection is a critical component in the efficient operation of heavy-duty truck engines. Its role in facilitating the flow of air into the engine, integration with various engine systems, and compatibility with specific Cummins engines highlight its importance in maintaining engine performance, efficiency, and longevity. Regular maintenance and proper installation are key to ensuring the optimal function of this part, contributing to the overall reliability and efficiency of heavy-duty trucks.


  1. Hilgers, M. (2023). The Diesel Engine Second Edition. Springer Nature.

  2. Hilgers, M. (2023). Alternative Powertrains and Extensions to the Conventional Powertrain. Springer Nature.

  3. Sander, F. (2007). Diesel Mechanics, First Edition. Global Media.

SPECIFICATIONS

Weight
0.0001 lb
Package Dimensions
0.4 x 0.4 x 0.06 in
* 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.