4348735
Cylinder Head
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$5,099.95 $6,068.94

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 4348735 Cylinder Head is a component designed for heavy-duty truck engines, manufactured by Cummins Inc. This part is integral to the engine’s operation, contributing to its efficiency and performance. Cummins Inc. is renowned for its expertise in diesel engine technology, and the 4348735 exemplifies their commitment to quality and innovation in the automotive industry 1.

Basic Concepts of a Cylinder Head

A cylinder head is a component in an internal combustion engine. It sits atop the engine block and houses the combustion chamber, valves, and spark plugs (in gasoline engines) or fuel injectors (in diesel engines). The cylinder head plays a role in sealing the combustion chamber, allowing for the intake and exhaust of gases, and facilitating the combustion process. It interacts closely with other engine components, such as the pistons, camshaft, and valve train, to ensure the engine operates smoothly and efficiently 2.

Purpose of the 4348735 Cylinder Head

The 4348735 Cylinder Head is designed to enhance the operation of truck engines. It contributes to combustion efficiency by providing a well-sealed combustion chamber and precise valve timing. This part plays a role in optimizing air-fuel mixture distribution and ensuring efficient combustion, which in turn supports overall engine performance. Its design helps in managing engine temperatures and pressures, which are vital for sustained operation under heavy-duty conditions 3.

Key Features

The 4348735 incorporates several design elements and materials that enhance its functionality. It is manufactured using a robust casting process that ensures durability and precision. The cylinder head features a specific valve configuration that allows for optimal airflow into and out of the combustion chamber. Additionally, it includes cooling passages that help in managing engine temperatures, ensuring that the head and surrounding components operate within safe thermal limits.

Benefits

The advantages of the 4348735 include improved fuel efficiency, enhanced durability, and increased power output. Its design allows for better combustion efficiency, which translates to more effective use of fuel. The materials and construction techniques used in its manufacture contribute to its longevity, making it a reliable component for heavy-duty applications. Furthermore, the optimized airflow and combustion characteristics support higher power outputs, beneficial for truck engines that require substantial torque and horsepower.

Installation and Compatibility

Proper installation of the 4348735 is vital for ensuring its performance and longevity. It is designed to be compatible with specific Cummins engine models, and adherence to the manufacturer’s guidelines during installation is recommended to avoid potential issues. Compatibility information and installation procedures can be found in the product documentation provided by Cummins Inc.

Maintenance and Troubleshooting

Routine maintenance of the 4348735 is important for ensuring optimal performance and longevity. This includes regular inspections for wear and tear, cleaning of the combustion chamber and valve seats, and checking the integrity of the cooling passages. Common issues that may arise include valve seat wear, gasket failures, and cooling system inefficiencies. Troubleshooting these issues promptly can help in maintaining the cylinder head’s performance and preventing more severe engine problems.

Performance Enhancements

There are potential upgrades and modifications that can be made to the 4348735 to further improve engine performance and reliability. These may include port and polish jobs to enhance airflow, upgrading to higher-performance valves and springs, and modifying the combustion chamber for better efficiency. Such enhancements should be approached with caution and ideally performed by experienced professionals to ensure compatibility and safety.

Cummins Inc.

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the diesel engine industry. The company is committed to advancing engine technology and providing solutions that meet the evolving needs of its customers across various industries.

Cummins Cylinder Head 4348735 Compatibility

The Cummins Cylinder Head part number 4348735 is a component for several engine models, ensuring optimal performance and reliability. This part is designed to fit seamlessly with various Cummins engines, providing a robust and efficient solution for engine maintenance and repair.

N14 G Engine

The Cummins N14 G engine is a high-performance, heavy-duty diesel engine widely used in various industrial and commercial applications. The cylinder head part 4348735 is specifically engineered to fit this engine model, ensuring compatibility with its unique design and operational requirements. This part plays a role in the engine’s overall performance, contributing to efficient combustion, heat management, and overall durability.

Grouping of Engine Models

While the Cummins Cylinder Head 4348735 is primarily associated with the N14 G engine, it is also compatible with other Cummins engine models within the same family. This compatibility is due to the shared design and engineering principles that ensure the part fits and functions correctly across multiple engine variants. By grouping these engines, maintenance and repair processes can be streamlined, ensuring that the correct parts are used for each specific engine model.

Role of Part 4348735 Cylinder Head in Engine Systems

Part 4348735, the Cylinder Head, is an integral component in the operation of engine systems. It is positioned at the top of the engine block and plays a significant role in the combustion process. The Cylinder Head houses the spark plugs, fuel injectors, and valves, which are essential for the intake and exhaust of air and fuel mixture, as well as the expulsion of exhaust gases.

The Cylinder Head is designed to seal the top of the engine cylinders, creating a combustion chamber where fuel is ignited. It is connected to the engine block via head gaskets, which ensure a tight seal and prevent leaks. The head also contains passages for coolant circulation, which helps in managing the engine’s temperature by dissipating heat away from the combustion chambers.

In addition, the Cylinder Head is equipped with intake and exhaust valves that open and close in sync with the piston’s movement. These valves are controlled by the camshaft, which is also housed within the Cylinder Head assembly. The precise timing of valve operation is vital for optimal engine performance and efficiency.

Furthermore, the Cylinder Head is integrated with the engine’s lubrication system. It has oil passages that supply lubricant to the valve train components, reducing friction and wear. This ensures smooth operation of the valves and other moving parts within the Cylinder Head.

Conclusion

In summary, Part 4348735 Cylinder Head is a multifaceted component that contributes to the engine’s combustion process, thermal management, and mechanical operation. Its design and functionality are tailored to enhance engine performance, reliability, and longevity.


  1. Robinson, A., & Livesey, A. (2006). The Repair of Vehicle Bodies Fifth Edition. Elsevier.

  2. Reif, K. (2015). Automotive Mechatronics. Springer Vieweg.

  3. Rajamani, R. (2005). Vehicle Dynamics and Control. Springer.

* 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.