3283868
Belt Tensioner Bracket
Cummins®

The Belt Tensioner Bracket 3283868, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the industry, produces a range of parts and engines known for their reliability and performance. This Cummins part is significant in maintaining the efficiency and longevity of the truck’s drive belt system.

Basic Concepts

Belt tensioner brackets are integral to the proper functioning of drive belts in automotive and heavy-duty applications. These brackets maintain the correct tension in the belts, which is necessary for efficient power transmission from the engine to various components such as the alternator, water pump, and air conditioning compressor. Proper tension ensures that the belts do not slip or become overly tight, which can lead to premature wear or failure ¹.

Purpose and Role

The Belt Tensioner Bracket 3283868 plays a specific role in the operation of commercial trucks. It is designed to keep the drive belts at the optimal tension, which is crucial for the efficient transfer of power and the reduction of wear on the belts. By maintaining consistent tension, the bracket helps in minimizing the risk of belt slippage, which can cause inefficiencies and potential damage to the engine and its accessories ².

Key Features

The Belt Tensioner Bracket 3283868 is characterized by several key features that enhance its functionality and durability. It is constructed from high-quality materials to withstand the rigors of commercial truck operations. The engineering precision ensures that it fits seamlessly with Cummins engines, providing a reliable solution for belt tension management. Additionally, its design allows for easy installation and maintenance, which is beneficial for fleet managers and technicians ³.

Benefits

Utilizing the Belt Tensioner Bracket 3283868 offers several advantages. It contributes to improved reliability of the drive belt system, which in turn enhances the overall performance of the truck. The precise tension maintained by the bracket reduces the likelihood of belt failure, leading to lower maintenance requirements. This can result in cost savings and increased uptime for commercial fleets ⁴.

Installation and Maintenance

Proper installation of the Belt Tensioner Bracket 3283868 is vital for its effective operation. It should be installed according to the manufacturer’s guidelines to ensure it functions as intended. Regular maintenance checks are recommended to verify that the bracket and associated belts are in good condition. This includes inspecting for signs of wear, proper tension, and any potential damage that could affect performance.

Troubleshooting

When issues arise with the Belt Tensioner Bracket 3283868, such as belt slippage, unusual noise, or vibration, it is important to address them promptly. Troubleshooting may involve checking the tensioner’s alignment, inspecting the condition of the belts, and ensuring that there are no obstructions or damage to the bracket itself. Corrective actions should be taken based on the findings to restore proper function.

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 strong reputation in the commercial truck industry for producing high-quality, reliable, and efficient engines and components. Their product offerings cater to a wide range of applications, from on-highway to off-highway and industrial uses, ensuring that they meet the diverse needs of their customers.

Cummins Belt Tensioner Bracket 3283868 Compatibility

The Cummins Belt Tensioner Bracket part number 3283868 is designed to fit a variety of Cummins engines, ensuring a secure and reliable connection for the engine’s belt system. This part is integral in maintaining the proper tension of the engine belts, which is crucial for the efficient operation of the engine’s ancillary components.

Compatible Engines

• 4B3.9
• 6B5.9
• B4.5
• B5.9 G
• B5.9 GAS PLUS CM556
• ISB5.9G CM2180
• QSB5.9 CM550

The belt tensioner bracket is engineered to accommodate the specific design and mounting requirements of these engines. It ensures that the belt maintains the correct tension, preventing slippage and reducing wear on the belt and pulleys.

Grouping of Compatible Engines

The engines listed can be grouped based on their design and application:

• B Series Engines: B4.5, B5.9 G, B5.9 GAS PLUS CM556
• 4B and 6B Series Engines: 4B3.9, 6B5.9
• ISB and QSB Series Engines: ISB5.9G CM2180, QSB5.9 CM550

Each group represents engines that share similar design philosophies and operational requirements, making the belt tensioner bracket a versatile component across these models.

Conclusion

The Belt Tensioner Bracket 3283868 is a foundational component that supports the reliable function of the alternator drive and the water pump drive pulley by ensuring the serpentine belt remains properly tensioned. Its role in maintaining optimal belt tension is crucial for the efficient operation of commercial trucks, contributing to the longevity and performance of the drive belt system.