3328994
Air Intake Manifold
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$289.95 $345.04

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 3328994 Air Intake Manifold is a component designed for use in heavy-duty trucks. Its purpose is to facilitate the distribution of air into the engine cylinders, which is vital for the combustion process. This manifold ensures that the engine receives a consistent and adequate supply of air, which is necessary for optimal performance and efficiency 2.

Basic Concepts of Air Intake Manifolds

An Air Intake Manifold is a part of the engine that is responsible for distributing the air-fuel mixture to the cylinders. Its function is to ensure that each cylinder receives an equal amount of the mixture, which is crucial for balanced combustion and engine performance. The manifold contributes to the overall performance of a truck by enhancing the efficiency of the combustion process, which can lead to improved power output and fuel economy 1.

Purpose of the Cummins 3328994 Air Intake Manifold

The Cummins 3328994 Air Intake Manifold plays a role in the operation of a truck by distributing air to the engine cylinders. It is designed to work in conjunction with the engine’s fuel injection system to ensure that the air-fuel mixture is delivered to the cylinders in the correct proportions. This is important for maintaining the engine’s performance and efficiency under various operating conditions 3.

Key Features

The Cummins 3328994 Air Intake Manifold is constructed from durable materials that are designed to withstand the high temperatures and pressures within the engine compartment. Its design includes features that enhance its performance, such as smooth internal passages that minimize turbulence and ensure a steady flow of air. Additionally, the manifold may include unique characteristics that improve its durability and resistance to wear 4.

Benefits

The Cummins 3328994 Air Intake Manifold provides several advantages. It contributes to improved engine efficiency by ensuring that the air-fuel mixture is distributed evenly to the cylinders. This can lead to enhanced performance, as the engine is able to operate more smoothly and with greater power. Additionally, the manifold may contribute to potential increases in fuel economy by optimizing the combustion process 1.

Installation Process

The installation of the Cummins 3328994 Air Intake Manifold involves several steps. It is important to follow the manufacturer’s instructions to ensure a proper fit and function. The process may require specific tools and procedures, such as torque specifications for tightening bolts, to ensure that the manifold is securely attached to the engine 3.

Common Issues and Troubleshooting

Air Intake Manifolds can experience common problems such as leaks or blockages. These issues can affect the performance of the engine and should be addressed promptly. Troubleshooting may involve inspecting the manifold for signs of damage or wear, and resolving any issues that are found. This may include repairing or replacing the manifold if necessary 4.

Maintenance Tips

Regular maintenance practices can help ensure the longevity and optimal performance of the Cummins 3328994 Air Intake Manifold. This may include periodic inspections for signs of wear or damage, and cleaning the manifold to remove any buildup that could affect its function. Following the manufacturer’s recommended maintenance schedule can help prevent issues and extend the life of the component 2.

Cummins Overview

Cummins Inc. is a company with a history of providing reliable and high-quality products for the automotive industry. Its product range includes a variety of components and systems for engines, and the company has a reputation for innovation and excellence. Cummins continues to be a leader in the industry, offering solutions that meet the needs of customers in various sectors 3.

Compatibility with Cummins Engines

The Cummins Air Intake Manifold part number 3328994 is designed to fit seamlessly with a variety of Cummins engines, ensuring optimal performance and efficiency. This part is engineered to work with the following engines:

ISM CM570

The ISM CM570 engine benefits from the precise fit and design of the 3328994 Air Intake Manifold, enhancing its air intake capabilities and contributing to overall engine performance.

L10 Engines

The L10 CELECT and L10 GAS engines are compatible with the 3328994 Air Intake Manifold. This part ensures that both the CELECT and GAS variants receive the necessary air flow for efficient operation.

M11 Engines

The M11 CELECT and M11 CELECT PLUS engines are also designed to work with the 3328994 Air Intake Manifold. This compatibility ensures that these engines maintain their performance standards and efficiency.

QSM11 CM570

The QSM11 CM570 engine is another model that can utilize the 3328994 Air Intake Manifold. This part is engineered to fit this engine, ensuring that it operates at peak efficiency.

By using the 3328994 Air Intake Manifold, these engines can achieve better air flow management, which is crucial for maintaining optimal performance and efficiency 3.

Conclusion

The Cummins 3328994 Air Intake Manifold is a critical component in the orchestration of an engine’s air intake system, working in concert with several other components to optimize engine performance. When air enters the engine, it first passes through the Air Intake Manifold, which is responsible for evenly distributing the air to each cylinder. This part is meticulously designed to ensure that the air flow is smooth and consistent, which is vital for the combustion process within the cylinders.

In engines equipped with a Turbocharger, the Air Intake Manifold plays an additional role. The Turbocharger compresses the incoming air, increasing its density and allowing more oxygen to enter the combustion chamber. The Air Intake Manifold must be precisely engineered to handle this pressurized air, ensuring that it is evenly distributed despite the increased pressure.

The arrangement of the Turbocharger and the Air Intake Manifold is also significant. In some engine designs, the Turbocharger is positioned before the Air Intake Manifold (known as a front-mounted intercooler setup), while in others, it is placed after (a top-mounted intercooler setup). The part 3328994 is designed to accommodate these different arrangements, ensuring optimal air flow and pressure distribution regardless of the Turbocharger’s position.

Furthermore, the Air Intake Manifold is often connected to other manifolds within the engine system. These manifolds can include the Exhaust Manifold, which expels spent gases from the cylinders, and the Intake Manifold, which routes the air-fuel mixture to the cylinders. The part 3328994 is engineered to interface seamlessly with these components, ensuring a cohesive and efficient air management system within the engine.

In summary, the part 3328994 Air Intake Manifold is a pivotal component in the engine’s air intake system, working in harmony with the Turbocharger, other manifolds, and the overall engine arrangement to deliver optimal performance and efficiency 4.


  1. Robert Bosch GmbH. Bosch Automotive Handbook 9th Edition. Robert Bosch GmbH, 2014.

  2. Hilgers, Michael. Chassis and Axles. Springer Vieweg, 2023.

  3. Lakshminarayanan, P. A., and Avinash Kumar Agarwal. Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer, 2019.

  4. Dixon, John. Modern Diesel Technology: Heating, Ventilation, Air Conditioning, Refrigeration, 2nd Edition. Cengage Learning, 2014.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
39.3 x 9.8 x 6.13 in
Weight
12.73 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.