3922648
Intake Manifold Cover
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$219.95 $261.74

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 3922648 Intake Manifold Cover is a critical component in heavy-duty truck engines. It provides a seal for the intake manifold and protects internal components from external contaminants, contributing to engine performance and longevity 1.

Basic Concepts of Intake Manifold Covers

An intake manifold cover is essential for sealing the intake manifold, ensuring the proper direction of the air and fuel mixture into the engine cylinders without leaks. It interacts with various engine components, including the intake manifold, gaskets, and the engine block, to maintain the integrity of the air and fuel delivery system 2.

Purpose of the Cummins 3922648 Intake Manifold Cover

This Cummins part plays a role in the operation of a truck by sealing the intake manifold. This seal is vital for maintaining the correct air-fuel ratio within the engine, which is necessary for optimal combustion. Additionally, the cover protects internal engine components from dirt, debris, and other contaminants that could otherwise lead to engine wear or failure 3.

Key Features

The Cummins 3922648 Intake Manifold Cover is constructed from durable materials designed to withstand the high temperatures and pressures present in a heavy-duty truck engine. Its design includes precise fitting elements that ensure a secure attachment to the intake manifold. Unique attributes such as reinforced edges and gasket compatibility enhance its performance and durability, contributing to the overall reliability of the engine system.

Benefits

The use of the Cummins 3922648 Intake Manifold Cover can lead to improved engine efficiency by ensuring a proper seal and preventing air leaks. It also provides a barrier against contaminants, which helps in maintaining the cleanliness of the engine’s internal components. These factors contribute to the overall performance and longevity of the engine.

Installation and Compatibility

Proper installation of the Cummins 3922648 Intake Manifold Cover is important for ensuring a secure fit and optimal performance. It is designed to meet specific requirements for compatibility with certain engine models, which should be considered to ensure the cover functions as intended within the engine system.

Troubleshooting and Maintenance

Common issues with intake manifold covers may include leaks or damage due to wear and tear. Regular inspection for signs of wear, such as cracks or warping, is recommended. Maintenance tips include ensuring the cover is properly sealed and free from contaminants, which can help prolong its lifespan and maintain engine efficiency.

Cummins: A Brief Overview

Cummins Inc. is a well-established company in the automotive industry, known for its range of diesel engines and related technologies. With a history of innovation and a commitment to quality, Cummins has built a reputation for producing reliable and high-performance engine components. The company’s product range includes a variety of parts designed to enhance the efficiency and durability of heavy-duty trucks.

Role of Part 3922648 Intake Manifold Cover in Engine Systems

The Cummins part 3922648 is integral to the efficient operation of various engine components. It is designed to fit snugly over the intake manifold, ensuring a sealed environment that optimizes air intake. In engines equipped with a turbocharger, the intake manifold cover works in conjunction with the turbocharger to enhance performance. The turbocharger compresses the incoming air, increasing its density before it enters the combustion chamber. The intake manifold cover ensures that this pressurized air is evenly distributed across all cylinders, promoting consistent combustion and power output.

The arrangement of the intake manifold cover is also significant when considering the turbocharger location. In engines where the turbocharger is positioned on the exhaust side, the intake manifold cover helps maintain a balanced air-fuel mixture by preventing any leaks that could disrupt the airflow. This is particularly important in high-performance engines where precise air-fuel ratios are essential for optimal efficiency and power.

Furthermore, the intake manifold cover plays a role in thermal management. By covering the intake manifold, it helps to insulate the manifold from excessive heat, which can otherwise lead to pre-ignition or detonation. This is especially relevant in turbocharged engines, where the increased air pressure can raise the temperature of the intake charge.

Conclusion

The Cummins 3922648 Intake Manifold Cover is a key component that ensures the efficient operation of the intake system, particularly in turbocharged engines. Its proper fitting and sealing are essential for maintaining optimal airflow, thermal management, and overall engine performance.


  1. Williams, Daniel. Generalized Vehicle Dynamics. SAE International, 2022.

  2. Sheng, Gang. Vehicle Noise, Vibration and Sound Quality. SAE International, 2012.

  3. Pulkrabek, Willard W. Engineering Fundamentals of the Internal Combustion Engine. Pearson Education, 2014.

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SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
27.38 x 7.0 x 6.75 in
Weight
2.7 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.