3642650
Exhaust Manifold
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$6,299.95 $7,496.94

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 Cummins 3642650 Exhaust Manifold is a component designed for use in commercial trucks. Its purpose is to facilitate the efficient removal of exhaust gases from the engine, contributing to the overall performance and efficiency of the vehicle.

Basic Concepts of Exhaust Manifolds

An exhaust manifold is a part of the engine system that collects exhaust gases from the cylinders and directs them into the exhaust pipe. This component plays a role in optimizing engine performance by ensuring that exhaust gases are expelled efficiently, which helps maintain engine efficiency and reduce emissions. The design and material of the manifold can influence engine performance, durability, and emissions levels 1.

Purpose of the Cummins 3642650 Exhaust Manifold

This Cummins part is specifically engineered to manage the flow of exhaust gases in commercial trucks. It plays a role in directing these gases away from the engine, which helps in maintaining engine temperature, improving fuel efficiency, and reducing emissions. By efficiently channeling exhaust gases, it contributes to the smooth operation of the engine and the overall performance of the truck.

Key Features

The 3642650 is constructed from high-quality materials that enhance its durability and performance. Its design includes features that optimize the flow of exhaust gases, reducing backpressure and improving engine efficiency. The manifold is engineered to withstand the high temperatures and pressures associated with commercial truck engines, ensuring reliable performance over time 2.

Benefits

Using the 3642650 offers several benefits. It contributes to improved engine efficiency by ensuring that exhaust gases are expelled effectively. This can lead to better fuel economy and reduced emissions. Additionally, the durable construction of the manifold enhances its longevity, providing reliable performance in demanding commercial truck applications.

Installation Considerations

When installing this part, it is important to ensure compatibility with the specific engine type. Proper installation requires attention to detail to ensure a secure fit and optimal performance. Following manufacturer guidelines and recommendations can help achieve the best results and ensure the manifold functions as intended.

Maintenance and Troubleshooting

To maintain the 3642650, regular inspections for signs of wear or damage are recommended. Common issues may include cracks or leaks, which can affect performance. Addressing these issues promptly can help ensure the manifold continues to operate efficiently. Troubleshooting tips include checking for proper installation and ensuring there are no obstructions in the exhaust path.

Performance Impact

The 3642650 plays a role in the overall performance of a truck by influencing engine power, fuel efficiency, and emissions. Efficient exhaust gas flow can lead to improved engine performance and reduced emissions, contributing to the truck’s overall efficiency and environmental impact 3.

Cummins Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its high-quality engine components and systems. With a history of innovation and reliability, Cummins has built a reputation for producing durable and efficient parts that meet the demands of commercial trucking. The company’s commitment to quality and performance is evident in its range of products, including the 3642650.

Exhaust Manifold 3642650 Compatibility with Cummins Engines

The Exhaust Manifold part number 3642650, manufactured by Cummins, is designed to fit seamlessly with specific Cummins engine models. This part is integral to the engine’s exhaust system, ensuring efficient gas flow and optimal engine performance.

QSK60 Series

  • QSK60 CM500
  • QSK60 CM850 MCRS

The Exhaust Manifold 3642650 is engineered to fit perfectly with the QSK60 series engines, including the QSK60 CM500 and QSK60 CM850 MCRS models. These engines are known for their robust performance and reliability, making the exhaust manifold a crucial component in maintaining their efficiency and longevity.

Installation and Functionality

When installed, the Exhaust Manifold 3642650 connects the engine’s cylinders to the exhaust system, facilitating the expulsion of exhaust gases. This part is designed to withstand high temperatures and pressures, ensuring durability and consistent performance over time. Proper installation of this manifold is essential for maintaining the engine’s overall efficiency and preventing potential leaks or failures.

Importance of Compatibility

Ensuring that the Exhaust Manifold 3642650 is compatible with the specified engines is critical for maintaining the engine’s performance and longevity. Using a mismatched part can lead to inefficiencies, increased emissions, and potential engine damage. Therefore, it is important to verify the part number and engine compatibility before installation.

Maintenance and Replacement

Regular maintenance of the Exhaust Manifold 3642650 is recommended to ensure it remains in optimal condition. This includes periodic inspections for signs of wear, corrosion, or damage. If any issues are detected, prompt replacement with a genuine Cummins part is advised to maintain the engine’s performance and reliability.

Conclusion

The 3642650 Exhaust Manifold is an integral component in the engine system, facilitating the efficient routing of exhaust gases away from the engine cylinders. This part connects directly to the cylinder head, where it collects exhaust gases from multiple cylinders. The design of the Exhaust Manifold allows for the merging of these gases into a single, streamlined flow, which is then directed towards the catalytic converter.

In conjunction with the catalytic converter, the Exhaust Manifold plays a role in reducing harmful emissions by ensuring that exhaust gases are properly channeled for treatment. The Manifold also contributes to the engine’s performance by optimizing the exhaust flow, which can enhance engine efficiency and power output.

Furthermore, the Exhaust Manifold is engineered to withstand high temperatures and pressures, ensuring durability and reliability in the engine system. Its placement and design are essential for maintaining the structural integrity of the engine components it interfaces with, including the cylinder head and the exhaust system as a whole.

The integration of the Exhaust Manifold with other engine components such as the turbocharger (if present) is also noteworthy. It ensures that exhaust gases are effectively utilized to spin the turbine, thereby contributing to the boost pressure that enhances engine performance.

In summary, the Exhaust Manifold is a key player in the engine’s exhaust system, working in harmony with various components to ensure optimal engine operation and emission control.


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

  2. Brown Jr, Andrew. Technologies and Approaches to Reducing the Fuel Consumption of Medium and Heavy-Duty Vehicles. National Academy of Sciences, 2010.

  3. Sander, Frank. Diesel Mechanics, First Edition. Global Media, 2007.

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SPECIFICATIONS

Package Dimensions
54.0 x 31.7 x 42.3 in
Weight
21.318 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.