4990249
Engine Support
Cummins®

The 4990249 Engine Mount Support, manufactured by Cummins, is a component designed to enhance the operational efficiency and stability of commercial trucks. Cummins, a well-established name in the commercial truck industry, produces a range of parts and systems that contribute to the performance and reliability of heavy-duty vehicles. This Cummins part plays a significant role in maintaining the integrity and performance of truck engines.

Basic Concepts of Engine Mount Support

An Engine Mount Support is a component that secures the engine to the vehicle’s frame, allowing it to absorb and dampen the vibrations produced during operation ¹. This support is vital for maintaining the engine’s position and ensuring that the forces generated by the engine do not adversely affect the vehicle’s structure or driving dynamics. By stabilizing the engine, the mount support contributes to the overall performance and stability of the truck, ensuring a smoother ride and reducing stress on other components.

Purpose of the 4990249 Engine Mount Support

The 4990249 Engine Mount Support is specifically designed to support the engine in commercial trucks, reducing vibrations and ensuring that the engine remains securely in place during operation. This support helps in maintaining the engine’s alignment and reduces the transmission of vibrations to the truck’s chassis, which can otherwise lead to discomfort for the driver and passengers, as well as increased wear on the vehicle’s components.

Key Features

The 4990249 boasts several key features that enhance its performance. It is constructed from durable materials that can withstand the rigors of heavy-duty truck operation. The design incorporates elements that maximize vibration absorption and provide a secure fit for the engine. Additionally, the mount support may feature unique attributes such as noise reduction capabilities and resistance to environmental factors, ensuring long-lasting performance.

Benefits

The implementation of the 4990249 in a truck’s engine system offers several benefits. It improves engine stability by securely holding the engine in place and reducing vibrations. This stability leads to reduced wear and tear on the engine and surrounding components, potentially extending the lifespan of the engine. Furthermore, by minimizing vibrations, the mount support contributes to enhanced driving comfort, making the ride smoother for the driver and passengers.

Installation Process

Installing the 4990249 requires careful attention to ensure proper fit and function. The process involves securing the mount support to the truck’s frame and connecting it to the engine. Specific tools and additional components may be required to complete the installation. Following the manufacturer’s guidelines ensures that the mount support is installed correctly, providing the intended benefits to the vehicle’s operation.

Troubleshooting Common Issues

Common issues associated with Engine Mount Supports include excessive vibration or noise, which may indicate a problem with the mount support itself or its installation. Troubleshooting steps may involve inspecting the mount support for signs of wear or damage, ensuring it is securely attached, and checking for any loose components. Addressing these issues promptly can help maintain the performance and stability of the truck’s engine.

Maintenance Tips

Regular maintenance of the 4990249 is crucial for ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear, such as cracks or excessive movement, and addressing any issues promptly. Following the manufacturer’s recommended maintenance schedule can help prevent more significant problems down the line, ensuring the mount support continues to effectively support the engine.

Compatibility and Applications

The 4990249 is designed for use in specific types of trucks and engines, with compatibility information available to ensure it is used in the appropriate applications. Understanding the mount support’s compatibility with different truck models and engine types is essential for ensuring it provides the intended benefits and performs as expected.

Cummins: A Brief 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, reliability, and innovation in the commercial truck industry. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications.

Cummins Engine Mount Support Part 4990249

The Cummins Engine Mount Support part number 4990249 is a component designed to ensure the stability and proper functioning of various Cummins engines. This part is engineered to provide robust support and minimize vibrations, contributing to the overall longevity and efficiency of the engine.

Compatibility with Cummins Engines

The Engine Mount Support part 4990249 is compatible with several Cummins engine models, including:

• QSC8.3 CM850 (CM2850)
• QSC8.3 CM870 (CM2870)
• QSC8.3 CM871 (CM2871)
• QSC8.3 CM875 (CM2875)
• QSC8.3 CM876 (CM2876)

This part is designed to fit seamlessly within these engine configurations, ensuring that the engine remains securely mounted and operational. The compatibility across these models highlights the versatility and broad applicability of the part within the Cummins engine family.

Importance in Engine Performance

The Engine Mount Support part 4990249 plays a pivotal role in maintaining the structural integrity of the engine. By providing a stable mounting point, it helps to:

• Reduce engine vibrations
• Enhance operational efficiency
• Prevent wear and tear on engine components
• Ensure optimal performance and longevity

Each of these factors is crucial for the reliable operation of the engine, making the Engine Mount Support a vital component in the Cummins engine ecosystem.

Role of Part 4990249 Engine Mount Support in Engine Systems

The part 4990249 Engine Mount Support is integral to the structural integrity and operational efficiency of engine systems, particularly when paired with components such as the support and rear engine assemblies.

Integration with Support Components

When installed, the Engine Mount Support 4990249 interfaces directly with the support structure of the engine. This connection is designed to distribute the engine’s weight evenly across the vehicle’s chassis, minimizing stress on individual components and enhancing overall stability. The support structure, often composed of robust materials like steel or aluminum, relies on the Engine Mount Support to maintain alignment and reduce vibrations transmitted from the engine to the vehicle’s frame.

Interaction with Rear Engine Assemblies

In systems where the engine is positioned towards the rear of the vehicle, the Engine Mount Support 4990249 plays a significant role in ensuring that the rear engine assembly remains securely in place. This is particularly important in high-performance vehicles where the engine’s rearward placement can affect the vehicle’s balance and handling. The mount support helps in absorbing shocks and vibrations generated during operation, which is essential for preserving the longevity of the rear engine components and ensuring smooth performance.

Enhanced Operational Efficiency

By providing a stable and vibration-dampening interface between the engine and the vehicle’s chassis, the Engine Mount Support 4990249 contributes to the engine’s operational efficiency. It allows for precise engine placement, which is vital for optimal airflow management and cooling system efficiency. Furthermore, it aids in maintaining the engine’s alignment, which is crucial for consistent power delivery and reduced wear on drivetrain components.

Conclusion

In summary, the Engine Mount Support 4990249 is a key component in the intricate network of parts that make up modern engine systems. Its role in supporting and stabilizing the engine, particularly in conjunction with support and rear engine assemblies, underscores its importance in both the structural and functional aspects of vehicle design.