3286604
Belt Tensioner Bracket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$159.95 $190.34

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 Cummins 3286604 Belt Tensioner Bracket is a critical component designed to ensure the proper functioning of belts within the engine system of commercial trucks. Its role is significant as it contributes to the efficient operation of the truck by maintaining the correct tension on the belts, which is vital for the performance of various engine components.

Basic Concepts of Belt Tensioner Brackets

A Belt Tensioner Bracket is a part of the engine system that holds the tensioner pulley in place. Its function is to maintain the appropriate tension on the belts that drive accessories such as the alternator, water pump, and air conditioning compressor. By keeping the belts at the correct tension, the bracket helps to ensure that these components operate efficiently and reduces the risk of belt slippage or breakage 1.

Purpose of the 3286604 Belt Tensioner Bracket

This Cummins part plays a role in the operation of a truck by securing the tensioner pulley, which in turn keeps the belts under the right amount of tension. This interaction with other engine components ensures that power is transmitted effectively, contributing to the overall performance and reliability of the engine.

Key Features

The 3286604 Belt Tensioner Bracket is characterized by its robust design and the use of high-quality materials that provide durability and resistance to wear. It is engineered to withstand the demanding conditions of commercial truck engines. Unique characteristics of this bracket include precision machining for accurate fitment and a design that allows for easy installation and maintenance.

Benefits

The use of the 3286604 Belt Tensioner Bracket offers several benefits. It contributes to improved engine efficiency by ensuring that belts operate at optimal tension. This reduces wear on the belts and other components, leading to enhanced durability and potentially extending the service life of the engine’s accessory drive system 2.

Installation Process

Installing the 3286604 Belt Tensioner Bracket involves several steps. First, the old bracket, if present, should be removed. The new bracket should then be aligned with the mounting points on the engine and secured in place using the appropriate fasteners. It is important to ensure that the bracket is installed correctly to avoid any issues with belt tension. Tools required may include a socket set and a torque wrench to tighten the fasteners to the manufacturer’s specifications.

Troubleshooting Common Issues

Common issues with the 3286604 Belt Tensioner Bracket may include misalignment or wear over time. If the bracket is misaligned, it can lead to improper belt tension, which may affect the performance of engine accessories. Wear on the bracket can also compromise its function. Troubleshooting steps include inspecting the bracket for signs of damage or wear, ensuring it is properly aligned, and replacing it if necessary to maintain optimal belt tension.

Maintenance Tips

Regular maintenance of the 3286604 Belt Tensioner Bracket is important to ensure its continued performance. This includes periodic inspection for signs of wear or damage, and cleaning the bracket to remove any buildup that could affect its operation. Following the manufacturer’s recommended inspection intervals will help to identify any issues before they lead to more significant problems.

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 reliable and high-performance engines and components. The company’s product range includes a variety of engine sizes and configurations, as well as aftermarket parts and services that support the longevity and efficiency of commercial vehicles.

Belt Tensioner Bracket 3286604 Compatibility with Cummins Engines

The Belt Tensioner Bracket part number 3286604, manufactured by Cummins, is a critical component in maintaining the integrity of the engine’s belt system. This part is designed to work seamlessly with a range of Cummins engines, ensuring optimal performance and longevity.

Compatibility with 4B3.9 and 6B5.9 Engines

The 3286604 Belt Tensioner Bracket is specifically engineered to fit the 4B3.9 and 6B5.9 engines. These engines, known for their robust design and reliability, benefit significantly from the precise fit and function of this bracket. The bracket’s role is to maintain the correct tension on the engine belt, which is crucial for the proper operation of ancillary systems such as the alternator, water pump, and air conditioning compressor.

Ensuring Proper Installation

When installing the Belt Tensioner Bracket 3286604, it is essential to follow the manufacturer’s guidelines to ensure a secure fit. This includes verifying that the bracket is aligned correctly with the engine’s mounting points and that all fasteners are tightened to the specified torque settings. Proper installation not only enhances the performance of the belt system but also contributes to the overall reliability of the engine.

Importance of Using Genuine Cummins Parts

Using the genuine Cummins Belt Tensioner Bracket 3286604 is crucial for maintaining the engine’s performance and longevity. Genuine parts are designed to meet the exact specifications of the engine, ensuring a perfect fit and reliable operation. This helps to avoid potential issues that may arise from using aftermarket or substandard parts, which could lead to premature wear and costly repairs.

Maintenance and Replacement

Regular maintenance of the Belt Tensioner Bracket is essential to ensure it remains in good condition. This includes inspecting the bracket for any signs of wear or damage and replacing it if necessary. A worn or damaged bracket can lead to belt slippage, which can cause a range of issues, including reduced efficiency and potential engine damage.

Role of Part 3286604 Belt Tensioner Bracket in Engine Systems

The Belt Tensioner Bracket, identified by part number 3286604, is integral to the efficient operation of various engine systems. It is specifically designed to maintain the correct tension on the drive belts that connect to components such as the alternator, water pump, and air conditioning compressor.

When installed, the Belt Tensioner Bracket supports the belt tensioner pulley, which applies consistent pressure to the drive belt. This ensures that the belt remains properly aligned and does not slip, which could lead to inefficient operation of the connected components.

For the alternator drive, the Belt Tensioner Bracket plays a significant role. It ensures that the belt driving the alternator maintains optimal tension. This is essential for the alternator to generate a consistent electrical output, which is vital for powering the vehicle’s electrical systems and recharging the battery.

Additionally, the proper tension provided by the Belt Tensioner Bracket helps in reducing wear and tear on the alternator drive belt, prolonging its lifespan and ensuring reliable performance. The bracket’s design allows for adjustments to be made easily, accommodating variations in belt wear and ensuring that the system operates smoothly over time.

Conclusion

The Cummins 3286604 Belt Tensioner Bracket is a vital component in the maintenance and operation of commercial truck engines. Its robust design, precise fitment, and role in maintaining optimal belt tension contribute to the efficient operation of engine accessories and the overall reliability of the engine. Regular maintenance and proper installation are key to ensuring the longevity and performance of this part.


  1. Goodnight, N., & Van Gelder, K. (2018). Automotive Braking Systems. Jones & Bartlett Learning.

  2. ElSayed, M. (2017). Fundamentals of Integrated Vehicle Realization. SAE International.

SPECIFICATIONS

Package Dimensions
20.0 x 8.0 x 1.5 in
Weight
0.87 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* 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.