3918196
Belt Tensioner Bracket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$45.95 $54.68

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Belt Tensioner Bracket 3918196, manufactured by Cummins, is a component designed to support the operation of commercial trucks. Cummins, a well-established name in the automotive industry, produces this bracket to ensure the efficient functioning of truck engines. This part is integral to maintaining the proper tension of belts within the engine system, which is vital for the overall performance and reliability of the vehicle.

Basic Concepts of Belt Tensioner Brackets

A Belt Tensioner Bracket is a mechanical device that holds and adjusts the tension of belts in an engine system. Its primary function is to ensure that belts remain taut, which is necessary for the efficient transfer of power and operation of various engine components. The bracket operates by applying consistent pressure to the belt, accommodating changes in belt length due to wear or temperature variations, and ensuring optimal performance of the engine system 1.

Purpose of the 3918196 Belt Tensioner Bracket

The 3918196 Belt Tensioner Bracket plays a role in the operation of a truck by maintaining the correct tension on the belts that drive essential engine components such as the alternator, water pump, and power steering pump. By ensuring that these belts operate under the right amount of tension, the bracket contributes to the efficiency and reliability of the engine system, reducing the likelihood of belt slippage or failure 2.

Key Features

The 3918196 Belt Tensioner Bracket is constructed from durable materials, ensuring longevity and resistance to wear. Its design includes precision-engineered elements that allow for smooth operation and adjustment of belt tension. Unique characteristics of this bracket may include corrosion-resistant coatings and a robust build that can withstand the harsh conditions often encountered in commercial trucking environments.

Benefits

The 3918196 Belt Tensioner Bracket offers several benefits, including improved engine performance through consistent belt tension, reduced wear on belts due to proper alignment and tension, and enhanced durability of the engine system components. These factors contribute to the overall efficiency and longevity of the truck’s engine 3.

Installation Process

Installing the 3918196 Belt Tensioner Bracket requires careful attention to detail. The process involves securing the bracket in the designated location within the engine compartment, ensuring that it is properly aligned with the belts and other components. Tools such as wrenches and possibly a tensioning tool may be required. Safety precautions, including disconnecting the battery and allowing the engine to cool, should be observed during installation.

Troubleshooting Common Issues

Common problems associated with Belt Tensioner Brackets include misalignment and wear. Troubleshooting steps may involve inspecting the bracket and belts for signs of damage or wear, ensuring proper alignment, and adjusting the tension as necessary. In cases of significant wear or damage, replacement of the bracket or belts may be required.

Maintenance Tips

Regular maintenance of the 3918196 Belt Tensioner Bracket is key to ensuring its longevity and optimal performance. This includes periodic inspection for signs of wear or damage, cleaning the bracket and surrounding areas to prevent buildup of debris, and ensuring that belts are properly tensioned. Adhering to manufacturer-recommended inspection intervals can help identify issues before they lead to more significant problems.

Cummins: Manufacturer Overview

Cummins is a reputable manufacturer in the automotive industry, known for its commitment to producing high-quality components. With a history of innovation and excellence, Cummins has established itself as a leader in the production of engines and engine components, including the 3918196 Belt Tensioner Bracket. Their products are designed with a focus on durability, performance, and reliability, making them a preferred choice for commercial truck applications.

Belt Tensioner Bracket 3918196 Compatibility with Cummins Engines

The Belt Tensioner Bracket part number 3918196, manufactured by Cummins, is a critical component in maintaining the proper alignment and tension of the engine’s serpentine belt. This part is designed to fit seamlessly with several Cummins engines, ensuring optimal performance and longevity of the belt system.

Compatibility with Specific Cummins Engines

  • 6C8.3 Engine Series
    • The Belt Tensioner Bracket 3918196 is specifically engineered to fit the 6C8.3 engine series. This engine series is known for its robust design and reliability, often used in heavy-duty applications. The bracket’s precise fit ensures that the belt maintains the correct tension, preventing slippage and reducing wear on the belt and other components.

Importance of Proper Fitment

Proper fitment of the Belt Tensioner Bracket is crucial for the efficient operation of the engine. The bracket’s role is to keep the belt taut, which is essential for the proper functioning of ancillary components such as the alternator, water pump, and air conditioning compressor. Any misalignment or improper tension can lead to increased wear and potential failure of these components, resulting in costly repairs and downtime.

Installation and Maintenance

When installing the Belt Tensioner Bracket 3918196, it is important to follow the manufacturer’s guidelines to ensure a secure fit. Regular maintenance checks should be performed to inspect the bracket for any signs of wear or damage. Any issues with the bracket should be addressed promptly to maintain the integrity of the belt system and prevent potential engine damage.

Conclusion

By ensuring that the Belt Tensioner Bracket 3918196 is correctly installed and maintained, engine operators can enhance the reliability and efficiency of their Cummins engines, particularly within the 6C8.3 engine series. The 3918196 Belt Tensioner Bracket is an integral component in the assembly and operation of various engine systems, particularly those involving the alternator drive mechanism. This bracket is designed to maintain the proper tension on the drive belt that connects the alternator to the engine’s crankshaft.

When installed, the Belt Tensioner Bracket interfaces with the alternator drive system by securing the alternator in its designated location. It ensures that the alternator is held firmly in place, allowing for efficient power generation as the engine operates. The bracket’s role is to apply consistent pressure on the drive belt, which is essential for the smooth transfer of rotational force from the crankshaft to the alternator.

This consistent tension is vital for the alternator’s ability to convert mechanical energy into electrical energy, which is then used to charge the vehicle’s battery and power the electrical systems. The Belt Tensioner Bracket also accommodates slight movements and vibrations that occur during engine operation, ensuring that the drive belt remains properly aligned and does not slip or become misaligned.

In summary, the part 3918196 Belt Tensioner Bracket plays a significant role in the reliable and efficient operation of the alternator drive system, contributing to the overall performance and durability of the engine’s electrical components.


  1. Douglas R Carroll, Energy Efficiency of Vehicles, SAE International, 2020.

  2. Mohamed ElSayed PE, Fundamentals of Integrated Vehicle Realization, SAE International, 2017.

  3. Harald Naunheimer, Bernd Bertsche, Joachim Ryborz, Wolfgang Novak, Automotive Transmissions Fundamentals Selection Design and Application, Springer Vieweg, 2011.

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* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.