3688761
Cylinder Head
Cummins®

AVAILABLE

Cummins®

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$5,199.95 $6,187.94

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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 3688761 Cylinder Head is a component designed for use in heavy-duty truck engines. It plays a role in the engine’s operation by facilitating the combustion process and ensuring the efficient operation of the engine. Its significance lies in its ability to contribute to the overall performance and reliability of the truck’s engine.

Basic Concepts of a Cylinder Head

A cylinder head is a component of an internal combustion engine. It sits atop the engine block and encloses the combustion chamber. The cylinder head contains several key components, including the intake and exhaust valves, valve seats, valve springs, and passages for coolant and oil. Its primary function is to seal the combustion chamber, allowing for the compression of the air-fuel mixture and the expulsion of exhaust gases. Additionally, it houses the spark plugs (in gasoline engines) or fuel injectors (in diesel engines), which ignite the compressed mixture 1.

Role of the Cummins 3688761 Cylinder Head in Truck Operation

The Cummins 3688761 Cylinder Head plays a specific role in the operation of heavy-duty truck engines. It is involved in the combustion process by providing a sealed environment for the air-fuel mixture to ignite. The cylinder head contains the intake and exhaust valves, which open and close to allow the entry of the air-fuel mixture and the exit of exhaust gases. It also houses the fuel injectors, which deliver diesel fuel into the combustion chamber. Furthermore, the cylinder head contributes to the sealing of the combustion chamber, ensuring that the pressure generated during combustion is contained and used effectively to drive the pistons.

Key Features of the Cummins 3688761 Cylinder Head

The Cummins 3688761 Cylinder Head is characterized by several design and manufacturing features. It is constructed from high-quality materials to withstand the high temperatures and pressures within the engine. The cylinder head features a specific valve configuration, with precisely machined valve seats and guides to ensure optimal valve operation. Additionally, it may incorporate technological advancements such as improved cooling passages and enhanced sealing mechanisms to further enhance its performance and durability.

Benefits of Using the Cummins 3688761 Cylinder Head

The use of the Cummins 3688761 Cylinder Head offers several advantages. It contributes to improved engine performance by facilitating efficient combustion and valve operation. The high-quality materials and precise manufacturing ensure durability, allowing the cylinder head to withstand the demanding conditions of heavy-duty truck operation. Furthermore, the cylinder head’s design may enhance engine efficiency by optimizing the combustion process and reducing heat loss.

Troubleshooting and Maintenance Suggestions

To ensure the longevity and optimal performance of the Cummins 3688761 Cylinder Head, regular maintenance and troubleshooting are recommended. Common issues that may arise include valve leakage, warped cylinder head, or damaged valve seats. Diagnostic procedures may involve visual inspection, pressure testing, and valve clearance checks. Maintenance practices include regular cleaning, inspection of valve components, and addressing any detected issues promptly to prevent further damage.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history dating back to 1919, Cummins has established itself as a reputable brand in the automotive and heavy-duty truck industry. The company offers a wide range of products, including diesel and natural gas engines, as well as filtration and emission solutions. Cummins is known for its commitment to innovation, quality, and customer satisfaction, making it a trusted choice for heavy-duty truck applications 2.

Cylinder Head Compatibility with Cummins Engines

The Cummins part number 3688761, a Cylinder Head, is designed to fit several models within the ISX15 series. This includes the ISX15 CM2250 and ISX15 CM2250 SN engines. These engines are part of Cummins’ lineup of high-performance diesel engines, known for their reliability and efficiency in various applications.

For the ISX15 CM2350 X101 engine, the same Cylinder Head part number 3688761 is also compatible. This engine, like its counterparts, benefits from the precision engineering that Cummins is renowned for, ensuring optimal performance and longevity.

The compatibility of the Cylinder Head part 3688761 across these models underscores the modular design philosophy of Cummins, allowing for interchangeability and ease of maintenance across different engine variants. This design choice facilitates efficient service and repair processes, crucial for maintaining the operational readiness of vehicles and machinery that rely on these engines.

Understanding the Role of Part 3688761 Cylinder Head in Engine Systems

Part 3688761, the cylinder head, is an integral component in the operation of an engine system. It sits atop the engine block and plays a role in the combustion process.

The cylinder head houses the intake and exhaust valves, which are essential for the flow of air and fuel into the combustion chamber and the expulsion of exhaust gases. It also contains the spark plugs in gasoline engines, which ignite the air-fuel mixture, and the fuel injectors in diesel engines, which deliver fuel directly into the combustion chamber.

Moreover, the cylinder head is connected to the camshaft via pushrods or rocker arms, which operate the valves at precise intervals. This ensures that the valves open and close in sync with the piston’s movement, maintaining the engine’s efficiency and performance.

In addition, the cylinder head is bolted to the engine block, creating a seal that prevents the escape of combustion gases. It also facilitates the circulation of coolant through passages within it, helping to regulate the engine’s temperature.

Furthermore, the cylinder head is designed to work in conjunction with the piston, connecting rod, and crankshaft. As the piston moves up and down within the cylinder, the cylinder head ensures that the combustion process is contained and efficient, converting the chemical energy of the fuel into mechanical energy that drives the crankshaft.

In summary, part 3688761 cylinder head is a multifaceted component that interacts with various engine systems to ensure optimal performance and efficiency. Its design and functionality are key to the proper operation of the engine.

Conclusion

The Cummins 3688761 Cylinder Head is a critical component in the operation of heavy-duty truck engines. Its role in facilitating efficient combustion, sealing the combustion chamber, and contributing to engine performance and reliability cannot be overstated. Regular maintenance and troubleshooting are essential to ensure its longevity and optimal performance. Cummins’ commitment to innovation, quality, and customer satisfaction makes the 3688761 Cylinder Head a trusted choice for heavy-duty truck applications.


  1. Bartz, W. J. (2019). Engine Oils and Automotive Lubrication Mechanical Engineering Book 80. CRC Press.

  2. Van Gelder, K. T. (2018). Fundamentals of Automotive Technology Principles and Practice. Jones Bartlett Learning.

SPECIFICATIONS

Package Dimensions
47.875 x 26.0 x 17.0 in
Weight
524 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.