4385504
Cylinder Head
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$22,999.95 $27,369.94

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 4385504 Cylinder Head is a vital component in heavy-duty truck engines, contributing significantly to engine performance. This part is designed to enhance the efficiency and power output of the engine, making it a key element in the operation of heavy-duty vehicles.

Basic Concepts of a Cylinder Head

A cylinder head is a critical part of an internal combustion engine, serving multiple functions. It covers the cylinders and provides a seal for 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, which help regulate engine temperature and lubricate moving parts. The cylinder head interacts closely with other engine components, including the pistons, valves, and camshaft 1.

Purpose of the Cummins 4385504 Cylinder Head

The Cummins 4385504 Cylinder Head plays a specific role in the operation of a truck engine. It is engineered to optimize combustion efficiency and enhance power output. By providing a precise seal for the combustion chamber and efficient valve operation, this cylinder head contributes to the overall performance of the engine. Its design allows for better airflow and fuel mixture, which are essential for achieving higher horsepower and torque 2.

Key Features

The Cummins 4385504 Cylinder Head is characterized by its robust design and construction. It is made from high-quality materials that ensure durability and reliability under demanding conditions. The engineering specifications of this cylinder head include precise valve seats and guides, which are essential for maintaining valve operation and seal integrity. Unique design elements, such as advanced cooling passages and optimized combustion chamber geometry, further enhance its performance and longevity 3.

Benefits

The Cummins 4385504 Cylinder Head offers several advantages. It contributes to improved fuel efficiency by ensuring efficient combustion. The enhanced engine reliability is a result of its durable construction and precise engineering. Additionally, this cylinder head increases power output, providing better performance for heavy-duty applications.

Installation and Compatibility

Proper installation of the Cummins 4385504 Cylinder Head is vital for ensuring optimal performance and longevity. The installation process involves several steps, including surface preparation, gasket placement, and torque specifications for securing the head to the engine block. Compatibility with specific engine models is ensured through precise engineering and design, although detailed compatibility information will be provided separately.

Performance and Efficiency

The Cummins 4385504 Cylinder Head significantly contributes to overall engine performance and efficiency. Its design enhances horsepower and torque output while also improving fuel consumption. The efficient airflow and combustion characteristics of this cylinder head are key factors in achieving these performance gains.

Maintenance and Troubleshooting

Routine maintenance of the Cummins 4385504 Cylinder Head is important for ensuring continued performance and reliability. Recommended maintenance includes regular inspection intervals, cleaning procedures to remove carbon buildup, and lubrication of moving parts. Troubleshooting common issues such as leaks, misfires, and overheating involves checking for proper valve operation, seal integrity, and coolant flow.

Common Upgrades and Modifications

There are several aftermarket upgrades and modifications available for the Cummins 4385504 Cylinder Head. These include performance enhancements such as port and polish services, custom valve jobs, and the application of thermal barrier coatings. Compatibility with other engine components should be considered when opting for upgrades to ensure optimal performance and reliability.

Cummins Corporation

Cummins Inc. is a leading manufacturer in the automotive industry, known for its commitment to innovation, quality, and customer satisfaction. The company offers a wide range of products, including engines, filtration systems, and power generation equipment. Cummins’ reputation is built on its dedication to producing reliable and high-performing components, such as the Cummins 4385504 Cylinder Head.

Cummins Cylinder Head 4385504 Compatibility

The Cummins Cylinder Head part number 4385504 is engineered to fit seamlessly with a range of Cummins engines, ensuring optimal performance and reliability. This part is designed to integrate with the following engines:

QSK95 Engines

The QSK95 series engines are high-performance, heavy-duty diesel engines known for their durability and efficiency. The cylinder head 4385504 is specifically tailored to fit these engines, providing a perfect seal and ensuring efficient combustion. This compatibility is crucial for maintaining the engine’s power output and fuel efficiency.

CM2350 Engines

The CM2350 engines are medium-duty diesel engines that are widely used in various applications, including construction and agricultural equipment. The cylinder head 4385504 is designed to fit these engines, ensuring that they operate smoothly and efficiently. This part is essential for maintaining the engine’s performance and longevity.

K111 Engines

The K111 engines are part of Cummins’ line of industrial and power generation engines. The cylinder head 4385504 is engineered to fit these engines, providing a reliable and durable solution for maintaining engine performance. This compatibility is essential for ensuring that the engines continue to operate efficiently in demanding industrial environments.

By ensuring that the cylinder head 4385504 is correctly fitted with the appropriate Cummins engines, users can maintain the performance, efficiency, and reliability of their engines. This compatibility is a testament to Cummins’ commitment to quality and precision in engine manufacturing.

Role of Part 4385504 Cylinder Head in Engine Systems

The part 4385504 Cylinder Head is an integral component within the engine system, working in concert with several other parts to ensure optimal engine performance.

Interaction with the Camshaft

The cylinder head houses the valvetrain, which is directly actuated by the camshaft. As the camshaft rotates, it opens and closes the intake and exhaust valves located within the cylinder head. This action allows for the precise timing of air and fuel intake, as well as the expulsion of exhaust gases, which is essential for efficient combustion.

Coordination with Connecting Rod and Piston

The cylinder head sits atop the engine block, sealing the combustion chamber where the connecting rod and piston operate. As the piston moves up and down within the cylinder, the cylinder head ensures that the combustion process is contained. The head must be perfectly sealed to maintain compression, which is vital for the efficient transfer of energy from the combustion process to the crankshaft via the connecting rod.

Integration with Performance Parts

When performance parts are installed, such as high-flow intake manifolds or upgraded exhaust systems, the cylinder head plays a significant role in accommodating these enhancements. It must be designed to handle increased airflow and pressure without compromising integrity. Performance cylinder heads are often equipped with larger valves and more aggressive porting to improve airflow, directly influencing engine power output and efficiency.

Conclusion

In summary, the Cummins 4385504 Cylinder Head is a key player in the engine’s operation, ensuring that the camshaft, connecting rod, piston, and performance parts function harmoniously to deliver power and efficiency. Its robust design, precise engineering, and compatibility with various Cummins engines make it a reliable and essential component for heavy-duty applications.


  1. Rendle, S., & Randall, M. (2000). Haynes Diesel Engine Systems and Data Book. Haynes Publishing.

  2. Han, Z. (2022). Simulation and Optimization of Internal Combustion Engines. SAE International.

  3. Bonnick, A. (2004). A Practical Approach to Motor Vehicle Engineering and Maintenance. Elsevier.

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SPECIFICATIONS

Recon Equivalent
4385504RX
* 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.