3929093
Cylinder Block Stiffener Plate
Cummins®

The Cylinder Block Stiffener Plate 3929093, manufactured by Cummins, is a component designed for heavy-duty truck engines. Cummins, a well-established name in the automotive industry, is known for producing reliable and high-performance engine components. This part is significant in enhancing the structural integrity and operational efficiency of heavy-duty engines.

Function and Operation

The Cylinder Block Stiffener Plate operates by reinforcing the cylinder block of an engine. It plays a role in maintaining the structural integrity of the engine by distributing stress more evenly across the block. This reinforcement helps in reducing vibrations that can occur during engine operation, which in turn contributes to a smoother and more stable engine performance ¹.

Purpose of the Cylinder Block Stiffener Plate

The primary role of the Cylinder Block Stiffener Plate in a truck engine is to enhance performance and durability. By providing additional support to the cylinder block, it helps in maintaining engine stability under various operating conditions. This support is particularly important in heavy-duty applications where the engine is subjected to significant stress and vibration ².

Key Features

The Cylinder Block Stiffener Plate 3929093 is characterized by its robust material composition, typically a high-strength alloy, which ensures durability and resistance to wear. Its design includes precise engineering to fit snugly with the cylinder block, ensuring effective stress distribution. Additionally, the plate may feature specific mounting points or alignment guides to facilitate easy and accurate installation.

Benefits

The advantages of using the Cylinder Block Stiffener Plate include improved engine stability, which leads to reduced wear and tear on engine components. This reinforcement can also contribute to enhanced overall engine performance, as it helps maintain consistent engine operation even under demanding conditions. Furthermore, the plate’s ability to reduce vibrations can lead to a longer engine lifespan.

Installation Process

Installing the Cylinder Block Stiffener Plate requires careful attention to ensure proper fitment and functionality. The process involves cleaning the cylinder block surface, aligning the plate according to the manufacturer’s guidelines, and securing it in place using the recommended fasteners. It is important to follow the specified torque settings for these fasteners to ensure the plate is properly secured without overtightening, which could lead to damage.

Troubleshooting and Maintenance

Common issues with the Cylinder Block Stiffener Plate may include improper fitment or damage due to excessive vibration. Regular inspection for signs of wear or misalignment is recommended. Maintenance practices should include checking the fastenings for proper torque and ensuring the plate remains securely attached to the cylinder block. Addressing any issues promptly can help maintain the plate’s effectiveness and prolong engine life.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the automotive industry. The company’s product range includes a variety of engine components and systems designed for heavy-duty applications, reflecting its commitment to excellence and customer satisfaction.

Compatibility with Cummins Engines

This Cummins part is designed to enhance the structural integrity of the engine’s cylinder block. This component is crucial for maintaining the alignment and stability of the engine, ensuring optimal performance and longevity.

Compatibility with Specific Engine Models

• 4B3.9 and B4.5 Engines The 3929093 is specifically engineered to fit the 4B3.9 and B4.5 engines. These engines are known for their robust design and are commonly used in various industrial and commercial applications. The stiffener plate ensures that the cylinder block remains rigid under high operational stresses, thereby preventing deformation and maintaining engine efficiency.

• QSB3.9 30 CM550 Engine The QSB3.9 30 CM550 engine also benefits from the use of the 3929093. This engine model is part of Cummins’ QSB series, which is renowned for its reliability and power. The stiffener plate in this context provides additional support to the cylinder block, which is particularly important given the high torque and power output of the QSB3.9 30 CM550 engine.

Grouping of Engine Models

The 4B3.9 and B4.5 engines can be grouped together due to their similar design and operational characteristics. Both engines are designed for heavy-duty applications and benefit from the structural support provided by the 3929093. The QSB3.9 30 CM550 engine, while part of the same family, operates under different conditions and thus requires the same level of structural integrity that the stiffener plate provides.

Ensuring Compatibility and Performance

When installing the 3929093, it is essential to ensure that it is correctly aligned and securely fastened. This will help maintain the integrity of the cylinder block and prevent any potential issues that could arise from a poorly fitted component. Regular maintenance and inspection of the stiffener plate are also recommended to ensure it remains in optimal condition and continues to provide the necessary support to the engine’s cylinder block.

Role of Part 3929093 in Engine Systems

The 3929093 is an integral component in the assembly and operation of engine systems. It is strategically positioned to enhance the structural integrity of the cylinder block, which is fundamental for the engine’s performance and longevity.

Integration with Engine Components

1. Cylinder Block: The stiffener plate is affixed to the cylinder block, providing additional support and rigidity. This reinforcement is essential for maintaining the block’s shape and integrity under the high pressures and temperatures generated during engine operation.

2. Oil Pan: Positioned beneath the cylinder block, the oil pan collects and stores engine oil. The stiffener plate ensures that the cylinder block remains stable, which in turn helps maintain the proper alignment and sealing between the block and the oil pan. This is important for preventing oil leaks and ensuring efficient lubrication.

3. Noise Reduction Device: Engines generate a significant amount of noise and vibration. The stiffener plate contributes to reducing these by stabilizing the cylinder block, which minimizes the transmission of vibrations to other engine components and the vehicle’s chassis. This can enhance the effectiveness of noise reduction devices installed in the engine system.

4. Noise Panel: Often used in conjunction with noise reduction devices, noise panels are designed to absorb and dampen engine noise. The stability provided by the stiffener plate ensures that these panels remain effective by preventing excessive movement or shifting of the cylinder block, which could otherwise compromise their noise-dampening capabilities.

5. Oil System: The stiffener plate indirectly supports the oil system by ensuring the cylinder block’s structural integrity. A stable block allows for consistent oil flow through the passages and galleries, which is vital for lubrication, cooling, and the removal of contaminants from the engine’s moving parts.

Conclusion

In summary, the 3929093 plays a significant role in enhancing the performance and reliability of engine systems by providing essential support to the cylinder block and, by extension, to the interconnected components such as the oil pan, noise reduction devices, and noise panels.