3626999
Aftercooler Cover
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$2,999.95 $3,569.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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 Aftercooler Cover 3626999, a component designed by Cummins for heavy-duty trucks, serves to encase and protect the aftercooler, a critical part of the engine’s air intake system. This cover enhances the engine’s efficiency and reliability by providing a secure housing for the aftercooler.

Basic Concepts of Aftercooler Covers

An aftercooler functions as a heat exchanger that cools compressed air from a turbocharger before it enters the engine. This process increases air density, allowing more oxygen into the combustion chamber, thereby enhancing engine performance and efficiency 1. The aftercooler cover protects the aftercooler components from external contaminants, physical damage, and environmental factors, ensuring effective operation within the engine system.

Purpose of the Aftercooler Cover 3626999

Engineered specifically for Cummins engines, the Aftercooler Cover 3626999 provides a durable enclosure that shields the aftercooler from debris, moisture, and other hazards. This protection maintains the aftercooler’s integrity, contributing to consistent engine performance and efficiency.

Key Features

The Aftercooler Cover 3626999 is noted for its robust design and high-quality materials, crafted to withstand the demanding conditions of heavy-duty truck operations. Its design includes precise fittings and seals for a secure attachment to the engine, minimizing the risk of leaks or damage. The cover also features easy installation and maintenance, enhancing its practicality for fleet operations.

Benefits of Using the Aftercooler Cover 3626999

The use of the Aftercooler Cover 3626999 contributes to improved engine efficiency by ensuring the aftercooler operates under optimal conditions. It protects against environmental factors such as dust, moisture, and extreme temperatures, which can adversely affect the aftercooler’s performance. Additionally, by maintaining the aftercooler’s condition, the cover promotes the overall longevity of the engine.

Installation and Compatibility

Proper installation of the Aftercooler Cover 3626999 is crucial for its effectiveness. The installation process should adhere to manufacturer guidelines to ensure a secure and efficient fit. This includes verifying the cover’s compatibility with the specific engine model and ensuring all connections are properly sealed to prevent leaks or damage.

Maintenance and Troubleshooting

Regular maintenance of the Aftercooler Cover 3626999 is recommended to ensure its continued performance. This includes periodic inspections for wear or damage, cleaning the cover to remove accumulated debris, and checking the seals for integrity. Troubleshooting common issues, such as leaks or reduced efficiency, may involve inspecting the cover for proper fitment and ensuring all components are in good condition.

Cummins: A Brief Overview

Cummins Inc. is a global power leader renowned for its commitment to producing high-quality engine components and systems. The company’s reputation in the automotive industry is built on its dedication to reliability, performance, and customer satisfaction, making it a preferred choice for heavy-duty truck applications 2.

Cummins Aftercooler Cover 3626999 Compatibility

The Cummins Aftercooler Cover 3626999 is designed for compatibility with a range of Cummins engines, ensuring optimal performance and efficiency. This part is engineered for a secure and reliable fit, enhancing the overall functionality of the engine system.

K38 Engines

For the K38 engine series, the Aftercooler Cover 3626999 is tailored to match the unique design and requirements of these engines. It ensures a precise fit, allowing for effective air flow management and maintaining the integrity of the aftercooling process.

K50 Engines

The K50 engine series also benefits from the precise engineering of the Cummins Aftercooler Cover 3626999. This part integrates smoothly with the K50 engines, providing a robust and reliable seal. The cover’s design ensures that the aftercooling process is efficient, contributing to the overall reliability and performance of the K50 engines.

Group Compatibility

The Cummins Aftercooler Cover 3626999 is part of a broader group of components designed for compatibility across various Cummins engine models. This ensures that users can confidently select this part for their specific engine needs, knowing it is engineered to fit and function optimally within the Cummins engine ecosystem.

Role of Part 3626999 Aftercooler Cover in Engine Systems

The Part 3626999 Aftercooler Cover is integral to the integration and functionality of several key engine systems. Its primary role is to encase and protect the aftercooler, a heat exchanger that cools the compressed air from the turbocharger before it enters the engine’s intake manifold.

Integration with the Aftercooler

The aftercooler cover ensures that the aftercooler remains securely in place and shielded from external contaminants, maintaining its efficiency.

Interaction with the Turbocharger

In turbocharged engine systems, the turbocharger compresses the intake air, significantly increasing its temperature. The aftercooler, housed within the 3626999 cover, plays a pivotal role in reducing this temperature. Cooler air is denser, allowing more oxygen to enter the combustion chamber, which enhances engine performance and efficiency 3. The cover ensures that the aftercooler operates within optimal conditions, directly influencing the turbocharger’s effectiveness.

Connection to the Intake Manifold

The cooled air from the aftercooler is then directed into the intake manifold. The aftercooler cover ensures a secure and leak-free connection between the aftercooler and the intake manifold. This seamless integration is essential for maintaining consistent air pressure and temperature, which are critical for uniform fuel combustion across all cylinders.

Relationship with the Manifold

In engines with multiple cylinders, the manifold distributes the cooled air evenly. The aftercooler cover’s role in protecting the aftercooler indirectly supports the manifold’s function by ensuring a steady supply of cool, dense air. This consistent air quality helps in achieving balanced engine performance across all cylinders.

Impact on the Air Intake System

The air intake system is the initial point where air enters the engine. The aftercooler cover, by safeguarding the aftercooler, ensures that the air intake system receives cool, clean air. This not only improves engine efficiency but also reduces the risk of carbon buildup within the engine, contributing to longer engine life and more reliable performance.

Conclusion

The Aftercooler Cover 3626999 by Cummins is a vital component in the maintenance and performance enhancement of heavy-duty truck engines. Its robust design, compatibility with various Cummins engine models, and role in protecting the aftercooler contribute to improved engine efficiency, reliability, and longevity.


  1. Halderman, James D. Automotive Principles: Diagnosis and Service. Prentice Hall, 2012.

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

  3. Isermann, Rolf. Combustion Engine Diagnosis. Springer Vieweg, 2017.

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SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
27.0 x 24.0 x 78.0 in
Weight
6.8 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.