3967449
Cylinder Head
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$5,699.95 $6,782.94

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 3967449 Cylinder Head is a component designed for use in heavy-duty truck engines. It is integral to the engine’s operation, contributing to the efficiency and performance of the vehicle. This part is engineered to meet the demanding requirements of heavy-duty applications, ensuring reliable and robust performance under various operating conditions.

Basic Concepts of a Cylinder Head

A cylinder head is a part of an internal combustion engine, sitting atop the cylinder block. It encloses the combustion chamber and houses the valves, which control the intake and exhaust of gases. The cylinder head also includes passages for coolant and oil, which help regulate the engine’s temperature and lubricate moving parts. Its design and material are important to the engine’s overall performance and durability 1.

Purpose and Role of the Cummins 3967449 Cylinder Head

This Cummins part plays a role in the operation of a truck engine. It is involved in the combustion process, where fuel is ignited to produce power. The cylinder head contains the intake and exhaust valves, which open and close to allow air and fuel into the combustion chamber and to expel exhaust gases. It also provides a seal for the combustion chamber, ensuring that the pressure generated during combustion is contained and used effectively to drive the piston down.

Key Features

The Cummins 3967449 Cylinder Head is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials that can withstand the high temperatures and pressures of the combustion process. The design includes precise valve seats and guides to ensure optimal valve operation. Additionally, the cylinder head may feature advanced cooling channels to manage heat more effectively, contributing to the engine’s longevity and efficiency.

Benefits

The Cummins 3967449 Cylinder Head offers several benefits that contribute to improved engine efficiency and reliability. Its robust construction and precise engineering help to ensure consistent performance under heavy-duty conditions. The enhanced cooling features can lead to better temperature management, reducing the risk of overheating and component failure. Furthermore, the cylinder head’s design can contribute to increased engine power and torque, providing truck operators with enhanced performance capabilities.

Installation and Compatibility

Proper installation of the Cummins 3967449 Cylinder Head is vital to ensure it functions correctly within the engine. This involves careful preparation of the cylinder block, ensuring that mating surfaces are clean and free from debris. The cylinder head should be torqued to the manufacturer’s specifications to ensure a proper seal and to prevent leaks. It is compatible with specific Cummins engine models, and it is important to verify compatibility to ensure optimal performance and reliability.

Maintenance and Troubleshooting

Maintaining the Cummins 3967449 Cylinder Head is key to ensuring its longevity and performance. Regular inspections should be conducted to check for signs of wear or damage, particularly on the valve seats and guides. Cleaning the cylinder head to remove any buildup of carbon or other deposits is also important. Troubleshooting common issues such as leaks or valve problems may involve checking the gaskets and seals, as well as inspecting the valve operation for any irregularities.

Performance Enhancements

The Cummins 3967449 Cylinder Head can contribute to performance enhancements in heavy-duty trucks. By ensuring efficient combustion and effective valve operation, it can help increase horsepower and torque. These improvements can lead to better acceleration, higher top speeds, and increased towing capacity, providing truck operators with a more capable and versatile vehicle.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins has established a reputation for producing reliable and high-performance engine components. The company’s dedication to research and development ensures that its products, including the Cummins 3967449 Cylinder Head, meet the evolving needs of the heavy-duty truck industry.

Cummins Cylinder Head 3967449 Compatibility

The Cummins Cylinder Head part number 3967449 is designed to fit seamlessly with a variety of Cummins engines, ensuring optimal performance and reliability. This part is engineered to meet the stringent standards set by Cummins, providing durability and efficiency across different engine models.

Engine Compatibility

  • 6B5.9 Series
    • The 3967449 cylinder head is specifically engineered to fit the 6B5.9 engines. This compatibility ensures that the cylinder head integrates smoothly with the engine’s architecture, enhancing overall performance and longevity.

Design and Engineering

The design of the 3967449 cylinder head incorporates advanced engineering principles to ensure it meets the demands of modern engines. Key features include:

  • Precision Manufacturing: The cylinder head is manufactured with high precision to ensure a perfect fit and optimal sealing.
  • Material Quality: Utilizing high-quality materials, the cylinder head is built to withstand the rigors of continuous operation.
  • Compatibility: Designed to work with the 6B5.9 engines, this cylinder head ensures that all components work in harmony, providing a reliable and efficient engine operation.

Installation and Performance

When installing the 3967449 cylinder head on a 6B5.9 engine, it is crucial to follow proper installation procedures to ensure that the engine operates at peak efficiency. Key considerations include:

  • Proper Alignment: Ensuring that the cylinder head is correctly aligned with the engine block to avoid any misalignment issues.
  • Torque Specifications: Adhering to the recommended torque specifications during installation to prevent damage to the cylinder head or engine block.
  • Sealing: Ensuring that all gaskets and seals are properly installed to maintain a tight seal and prevent leaks.

By choosing the Cummins Cylinder Head 3967449, users can be confident that they are investing in a high-quality part that is designed to fit and perform optimally with the 6B5.9 engines. This compatibility ensures that the engine continues to operate efficiently, providing reliable performance for various applications.

Conclusion

The Cummins 3967449 Cylinder Head is a critical component in the operation of heavy-duty truck engines. Its design and features contribute to the engine’s efficiency, reliability, and performance. Proper installation, maintenance, and understanding of its compatibility with specific engine models are essential for optimal operation. By investing in this part, truck operators can enhance their vehicle’s capabilities and ensure long-term reliability.


  1. Reif, Konrad Ed. Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg, 2014.

SPECIFICATIONS

Package Dimensions
34.0 x 15.1 x 9.0 in
Weight
127 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.