3968556
Belt Tensioner Bracket
Cummins®

Introduction

The Belt Tensioner Mounting Bracket part #3968556 is a component manufactured by Cummins, designed for use in the truck’s accessory drive system. This bracket plays a role in securing the belt tensioner, which is responsible for maintaining the correct tension on the drive belts. Proper tension ensures the efficient operation of various accessories, including the alternator, water pump, and power steering pump ¹.

Basic Concepts

The operation of the Belt Tensioner Mounting Bracket is based on fundamental mechanical principles. It provides a stable mounting point for the belt tensioner, allowing it to apply consistent pressure on the drive belts. This interaction ensures that the belts remain properly tensioned, which is vital for the reliable transfer of power to the accessories. The bracket works in conjunction with other components in the accessory drive system to maintain optimal performance and longevity of the belts and the accessories they drive ².

Purpose and Function

The primary purpose of this Cummins part is to support the belt tensioner in maintaining the appropriate tension on the drive belts. This ensures that accessories such as the alternator, water pump, and power steering pump receive consistent power transmission. Proper belt tension is crucial for the efficient and reliable operation of these accessories, contributing to the overall performance and durability of the truck’s engine system ¹.

Key Features

The Belt Tensioner Mounting Bracket part #3968556 is constructed from high-quality materials to ensure durability and longevity. Key features include a robust design that resists wear and corrosion, precise engineering for accurate alignment, and compatibility with a range of truck models. These features contribute to the bracket’s ability to provide stable and reliable support for the belt tensioner ³.

Benefits

The use of the Belt Tensioner Mounting Bracket part #3968556 offers several benefits. It contributes to improved belt longevity by ensuring consistent tension, which reduces the risk of belt slippage and wear. Additionally, it helps to minimize maintenance requirements by providing a stable and secure mounting point for the belt tensioner. The enhanced reliability of the accessory drive system also leads to better overall performance and durability of the truck’s engine components ¹.

Installation Considerations

Proper installation of this part is important for ensuring optimal performance. Guidelines for installation include adhering to torque specifications to secure the bracket firmly in place, following alignment procedures to ensure the belt tensioner is correctly positioned, and verifying compatibility with the specific truck model to ensure a proper fit. These considerations help to guarantee that the bracket functions effectively within the accessory drive system ².

Troubleshooting and Maintenance

Common issues associated with the Belt Tensioner Mounting Bracket part #3968556 may include misalignment, wear, or corrosion. Troubleshooting steps involve inspecting the bracket for signs of damage or wear, ensuring proper alignment with the belt tensioner, and addressing any corrosion with appropriate treatments. Regular maintenance, such as checking for proper tension and alignment, can help to ensure the optimal performance and longevity of the component ³.

Cummins Overview

Cummins Inc. is a leading manufacturer of diesel engines with a rich history of innovation and quality in the automotive industry. The company is known for its expertise in engine design and manufacturing, commitment to quality, and continuous investment in research and development. Cummins’ products are designed to deliver reliable performance, efficiency, and durability, making them a preferred choice for heavy-duty applications ³.

Compatibility with Cummins Engines

The Belt Tensioner Mounting Bracket 3968556, manufactured by Cummins, is designed to fit seamlessly with a variety of Cummins engine models. This part is crucial for maintaining the proper alignment and tension of the engine’s belt system, ensuring optimal performance and longevity of the engine.

4B3.9 Engine Series

The 4B3.9 engine series is one of the key applications for the Belt Tensioner Mounting Bracket 3968556. This engine is known for its robust design and reliability, often used in heavy-duty applications. The bracket’s precise fit and durable construction make it an ideal component for these engines, ensuring that the belt system operates efficiently and without undue wear.

Other Cummins Engines

While the 4B3.9 series is a primary application, the Belt Tensioner Mounting Bracket 3968556 is also compatible with other Cummins engine models. This compatibility extends to various configurations and specifications within the Cummins engine lineup, making it a versatile part for different engine setups.

The bracket’s design allows it to adapt to the specific mounting requirements of each engine model, ensuring a secure fit and reliable performance across the board. This adaptability is a testament to Cummins’ commitment to quality and consistency in their engine components ³.

Role of Part 3968556 Belt Tensioner Mounting Bracket in Engine Systems

The part 3968556 Belt Tensioner Mounting Bracket is an integral component in maintaining the optimal performance of the drive system and the alternator within an engine. This bracket securely mounts the belt tensioner, which is responsible for keeping the correct tension on the drive belt.

The drive belt is a key element that transfers power from the engine to various components, including the alternator. The alternator, in turn, is essential for generating electrical power to charge the battery and operate the vehicle’s electrical systems.

By ensuring the belt remains properly tensioned, the 3968556 Belt Tensioner Mounting Bracket helps prevent slippage, which can lead to inefficient power transfer and potential damage to the drive belt. This, in turn, ensures consistent and reliable operation of the alternator, maintaining a stable electrical supply for the vehicle.

Conclusion

In summary, the 3968556 Belt Tensioner Mounting Bracket plays a significant role in the seamless interaction between the drive system and the alternator, contributing to the overall efficiency and reliability of the engine. Its robust design, precise engineering, and compatibility with various Cummins engine models make it a crucial component for maintaining optimal performance and longevity of the engine’s accessory drive system ¹²³.