3649048
Cylinder Head
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$5,599.95 $6,663.94

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

The Cummins 3649048 Cylinder Head is a significant component in heavy-duty truck engines, contributing to overall engine performance. This part is integral to the engine’s operation, ensuring efficient combustion and power output.

Basic Concepts of a Cylinder Head

A cylinder head is a crucial part of an internal combustion engine. It covers the cylinders and plays a role in sealing the combustion chamber. The cylinder head houses the valves, which control the intake of air and fuel and the exhaust of combustion gases. It also contains passages for coolant and oil, contributing to engine cooling and lubrication. The cylinder head interacts closely with the engine block, pistons, and other components to facilitate the combustion process 1.

Purpose of the Cummins 3649048 Cylinder Head

The Cummins 3649048 Cylinder Head is designed to enhance the operation of truck engines. It contributes to combustion efficiency by ensuring proper sealing of the combustion chamber and precise control of valve timing. This cylinder head helps in achieving optimal power output and fuel efficiency by facilitating effective air and fuel mixture combustion 2.

Key Features

The Cummins 3649048 Cylinder Head is constructed with high-quality materials to ensure durability and performance. Its design includes specific engineering specifications that enhance its functionality. Unique design elements, such as advanced valve train geometry and optimized coolant passages, contribute to its performance and longevity.

Benefits

The Cummins 3649048 Cylinder Head offers several advantages. It contributes to improved fuel efficiency by ensuring efficient combustion. The design enhances engine reliability, reducing the likelihood of failures. Additionally, it supports increased power output, making it a valuable component for heavy-duty applications 3.

Installation and Compatibility

Proper installation of the Cummins 3649048 Cylinder Head involves several steps to ensure it functions correctly. Preparations may include cleaning the engine block and inspecting gaskets. This cylinder head is compatible with specific truck models and engine types, ensuring it meets the requirements of various heavy-duty applications.

Maintenance and Troubleshooting

Routine maintenance of the Cummins 3649048 Cylinder Head is vital for optimal performance and longevity. Regular inspections for wear and tear, cleaning of passages, and checking for proper sealing are recommended. Common issues may include valve train problems or coolant leaks. Troubleshooting steps involve identifying the issue, performing necessary repairs, and ensuring all components are in good working condition.

Performance Enhancements

Modifications or upgrades can be made to the Cummins 3649048 Cylinder Head to further improve engine performance. These may include porting and polishing the intake and exhaust ports to enhance airflow, or adding performance-oriented components such as upgraded valves or springs. These enhancements can contribute to increased power output and efficiency.

Cummins Corporation

Cummins Inc. is a leading manufacturer in the automotive and heavy-duty truck industries. The company has a history of innovation and quality, offering a wide range of products designed to meet the demands of various applications. Cummins is known for its commitment to customer satisfaction and continuous improvement, ensuring that its components, including the 3649048 Cylinder Head, deliver reliable performance and durability.

Cummins Cylinder Head 3649048 Compatibility

The Cummins Cylinder Head part number 3649048 is a critical component that fits seamlessly with various Cummins engine models. This part is engineered to ensure optimal performance and reliability across different engine configurations.

QSK78 Series

In the QSK78 series, the cylinder head 3649048 is a vital part that ensures efficient combustion and power delivery. This series includes engines such as the QSK78, which are known for their robust design and high performance in heavy-duty applications. The cylinder head is designed to withstand the high pressures and temperatures associated with these engines, ensuring longevity and consistent performance.

CM500 Series

The CM500 series engines also benefit from the Cummins Cylinder Head 3649048. This series is typically used in a variety of industrial and power generation applications. The cylinder head in this series is designed to provide precise control over combustion, which is essential for maintaining the high efficiency and reliability that these engines are known for. The part number 3649048 is specifically engineered to fit these models, ensuring a perfect match and seamless integration.

Grouping by Application

The Cummins Cylinder Head 3649048 is also grouped by application, ensuring that it meets the specific needs of different operational environments. For instance, in marine applications, this cylinder head is designed to handle the unique challenges posed by saltwater and other corrosive elements. Similarly, in power generation, the cylinder head is optimized for continuous operation, providing the durability and performance required in these settings.

Ensuring Compatibility

When selecting the Cummins Cylinder Head 3649048 for your engine, it is crucial to ensure compatibility with your specific engine model. This part is designed to fit a range of Cummins engines, but verifying the exact model and application is essential for optimal performance and longevity. Consulting the engine’s manual or a Cummins authorized dealer can provide the necessary guidance to ensure the correct part is used.

Understanding the Role of Part 3649048 Cylinder Head in Engine Systems

The part 3649048 Cylinder Head is an integral component in the orchestration of an engine’s operation, working in concert with several other key components to ensure optimal performance and efficiency.

Interaction with the Camshaft

The camshaft operates in tandem with the cylinder head, controlling the timing of the valve operation. As the camshaft rotates, it actuates the valves through a series of cams, lifters, and pushrods (in overhead valve engines) or directly via cam followers (in overhead cam engines). The cylinder head houses these valves, providing a sealed environment for the combustion process.

Fuel Delivery System

In conjunction with the fuel manifold and injectors, the cylinder head plays a significant role in the fuel delivery system. The fuel manifold distributes fuel to the injectors, which are typically mounted on the cylinder head. The injectors then spray atomized fuel into the combustion chambers at precise moments, a process that is synchronized with the valve operation for optimal air-fuel mixture.

Injector Plumbing

The injector plumbing, which includes fuel rails and associated tubing, is directly connected to the cylinder head. This system ensures that fuel is delivered under the correct pressure and at the right time to the injectors. The design and placement of the injector plumbing on the cylinder head are critical for maintaining fuel distribution efficiency and engine performance.

Performance Parts Integration

When it comes to performance enhancements, the cylinder head often serves as a focal point. Performance parts such as high-flow intake and exhaust valves, ported and polished combustion chambers, and upgraded valve springs are typically installed on or within the cylinder head. These modifications aim to improve airflow, increase compression ratios, and enhance overall engine efficiency and power output.

Conclusion

In summary, the Cummins 3649048 Cylinder Head is a central component that interfaces with the camshaft, fuel manifold, injectors, and injector plumbing, and is often the target for performance upgrades. Its role in these systems is to facilitate efficient combustion, ensure proper valve timing, and contribute to the overall performance and reliability of the engine.


  1. Mananathan, R. (2022). Automobile Wheel Alignment and Wheel Balancing. SAE International.

  2. Fijalkowski, B.T. (2011). Automotive Mechatronics Operational and Practical Issues Volume 1. Springer.

  3. Giles, T. (2019). Automotive Engines Diagnosis Repair and Rebuilding. Cengage Learning.

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SPECIFICATIONS

Package Dimensions
41.6 x 28.3 x 27.6 in
Weight
46 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.