3999908
Exhaust Connection Bracket
Cummins®

Introduction

The Exhaust Connection Bracket 3999908 is a component designed by Cummins to facilitate the connection and alignment of exhaust system components in commercial trucks. Its role is to ensure a secure and stable connection between various parts of the exhaust system, contributing to the overall efficiency and performance of the vehicle.

Basic Concepts of Exhaust Connection Brackets

An Exhaust Connection Bracket serves as a mounting point and alignment tool for exhaust components. It plays a role in maintaining the structural integrity of the exhaust system by securing pipes, mufflers, and other components in place. This bracket contributes to the system’s performance by ensuring that exhaust gases are directed efficiently away from the engine, reducing backpressure and enhancing engine efficiency ¹.

Purpose of the 3999908 Exhaust Connection Bracket

The 3999908 Exhaust Connection Bracket is specifically designed to secure and align exhaust components in commercial trucks. It plays a role in maintaining the proper positioning of exhaust pipes and mufflers, ensuring that the exhaust system operates within optimal parameters. By providing a stable connection point, it helps in reducing vibrations and potential leaks within the exhaust system.

Key Features

The 3999908 Exhaust Connection Bracket is constructed from durable materials, ensuring longevity and resistance to the harsh conditions encountered in commercial truck operations. Its design includes features such as precision-machined mounting points and robust construction to withstand high temperatures and mechanical stress. Additionally, the bracket may incorporate anti-vibration elements to minimize the transmission of engine vibrations to the exhaust system.

Benefits

The use of the 3999908 Exhaust Connection Bracket offers several benefits. It contributes to the integrity of the exhaust system by providing a secure connection between components, which can lead to reduced maintenance needs. The bracket’s durable construction and design elements enhance the overall durability of the exhaust system. Furthermore, by ensuring proper alignment and reducing backpressure, it may contribute to improved engine efficiency and performance ².

Installation Process

Installing the 3999908 Exhaust Connection Bracket requires careful attention to alignment and secure fastening. The process involves positioning the bracket between the exhaust components, ensuring it is aligned correctly, and then securing it in place using the appropriate fasteners. It is important to use the correct tools and follow manufacturer guidelines to ensure a proper installation. Alignment considerations are crucial to maintain the efficiency of the exhaust system.

Troubleshooting Common Issues

Common issues with the 3999908 Exhaust Connection Bracket may include loose connections or damage due to wear and tear. Troubleshooting steps involve inspecting the bracket for signs of wear, ensuring all fasteners are tight, and checking for proper alignment of exhaust components. If damage is detected, replacement or repair may be necessary to maintain the integrity of the exhaust system.

Maintenance Tips

Regular maintenance of the 3999908 Exhaust Connection Bracket involves periodic inspection for signs of wear or damage. Cleaning the bracket and surrounding areas can prevent the buildup of debris that may affect its performance. It is also important to check the tightness of fasteners during routine maintenance checks to ensure the bracket remains securely in place.

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 commercial truck industry. The company offers a wide range of products designed to meet the demanding requirements of commercial vehicle applications, including the 3999908 Exhaust Connection Bracket.

Compatibility with Cummins Engines

The Exhaust Connection Bracket, part number 3999908, is engineered to fit seamlessly with several Cummins engines, including the QSB5.9 CM850 and the QSB6.7 M CM2250. This part is designed to ensure the secure and efficient connection of the exhaust system to the engine, providing a reliable connection that enhances the overall performance and longevity of the engine.

QSB5.9 CM850

The QSB5.9 CM850 engine is a robust and reliable power unit, often utilized in various industrial and commercial applications. The Exhaust Connection Bracket for this engine is specifically designed to align with the unique exhaust architecture of the QSB5.9 CM850, ensuring a tight and durable connection that can withstand the operational stresses of the engine.

QSB6.7 M CM2250

Similarly, the QSB6.7 M CM2250 engine benefits from the precise fit and functionality of the Exhaust Connection Bracket. This engine, known for its power and efficiency, requires a bracket that can handle higher exhaust pressures and temperatures. The part 3999908 is crafted to meet these demands, providing a reliable connection that enhances the overall performance and longevity of the engine.

Role of Part 3999908 Exhaust Connection Bracket in Engine Systems

The Exhaust Connection Bracket, identified by part number 3999908, is a component in the assembly and functionality of engine systems. This bracket is specifically designed to facilitate a secure and efficient connection between the exhaust outlet and the exhaust system.

When integrating the Exhaust Connection Bracket into an engine system, it serves as a pivotal link that ensures the exhaust outlet is properly aligned and fastened to the exhaust manifold or header. This alignment is vital for maintaining the integrity of the exhaust flow, which directly impacts the engine’s performance and emissions.

The bracket’s design allows for the absorption of vibrations and thermal expansion that occur during engine operation. By doing so, it helps to prevent stress on the exhaust components, which could otherwise lead to leaks or failures. Additionally, the Exhaust Connection Bracket contributes to the overall structural stability of the exhaust system, ensuring that it remains securely attached to the engine block or cylinder head.

Conclusion

The Exhaust Connection Bracket 3999908 by Cummins plays a significant role in the efficiency and performance of commercial truck exhaust systems. Its durable construction, precise design, and compatibility with various Cummins engines make it a valuable component for maintaining the integrity and performance of the exhaust system. Regular maintenance and proper installation are key to ensuring the longevity and effectiveness of this Cummins part.