5286734
Alternator Bracket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$69.95 $83.24

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 5286734 Alternator Bracket, 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 systems that contribute to the efficiency and reliability of heavy-duty vehicles. This Cummins part is part of this lineup, playing a role in the electrical system of trucks by supporting the alternator.

Basic Concepts of Alternator Brackets

An alternator bracket serves as a mounting point for the alternator within a vehicle’s electrical system. It provides a secure attachment to the engine, allowing the alternator to spin and generate electricity. This electricity is used to charge the battery and power the vehicle’s electrical components. The bracket interfaces with both the alternator and the engine, ensuring that the alternator remains in the correct position and operates efficiently 1.

Purpose of the 5286734 Alternator Bracket

The 5286734 Alternator Bracket is designed to secure the alternator in place within a truck’s engine compartment. By doing so, it contributes to the stable operation of the electrical system. The bracket’s role is to provide a firm mounting point that can withstand the vibrations and stresses encountered during truck operation, ensuring that the alternator functions correctly and consistently 2.

Key Features

The 5286734 Alternator Bracket is constructed with durability and performance in mind. It is made from materials that offer resistance to corrosion and wear, which are common challenges in the demanding environment of a commercial truck. The design of the bracket includes features that enhance its strength and reliability, such as reinforced mounting points and a precise fit that ensures compatibility with the alternator and engine 3.

Benefits

The 5286734 Alternator Bracket offers several advantages. It contributes to the improved reliability of the electrical system by providing a secure mounting solution for the alternator. The design of the bracket facilitates ease of installation, which can save time during maintenance or repair work. Additionally, its compatibility with specific truck models ensures that it can be used in a variety of applications, offering versatility to fleet managers and technicians.

Installation Process

Installing the 5286734 Alternator Bracket involves several steps to ensure it is correctly positioned and secured. The process typically requires common tools such as wrenches and possibly additional components like bolts or spacers, depending on the truck model. Careful attention to the manufacturer’s instructions is important to achieve a proper installation that meets safety and performance standards.

Maintenance Tips

Regular maintenance of the 5286734 Alternator Bracket is important to ensure its longevity and optimal performance. This includes periodic inspections to check for signs of wear, corrosion, or looseness. Cleaning the bracket and its mounting points can prevent the buildup of dirt and debris that might affect its function. Addressing any issues promptly can help avoid more significant problems down the line.

Troubleshooting Common Issues

Alternator brackets can encounter issues such as loose connections or corrosion, which can affect the performance of the electrical system. Identifying these problems early is important. Solutions may include tightening connections, cleaning affected areas, or in some cases, replacing the bracket if it is damaged beyond repair. Regular inspections can help catch these issues before they lead to more serious complications.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company’s product range includes parts and systems that are designed to enhance the performance, efficiency, and reliability of heavy-duty vehicles.

Cummins Alternator Bracket 5286734 Compatibility

The Cummins Alternator Bracket part number 5286734 is designed to fit a variety of engines, ensuring a secure and reliable connection for the alternator. This bracket is compatible with the following engines:

  • F2.8 CM2620 F135B
  • ISF2.8 CM2220 F117
  • ISF2.8 CM2220 F129

Additionally, it is also compatible with the following engines:

  • QSF2.8 CM2880 F104
  • QSF2.8 CM2880 F105
  • QSF2.8 CM2880 F108
  • QSF2.8 CM2880 F114

This compatibility ensures that the alternator bracket can be used across a range of engine models, providing flexibility and ease of maintenance for technicians and operators.

Understanding the Role of Part 5286734 Alternator Bracket in Engine Systems

The alternator bracket, specifically part 5286734, is a fundamental component in the assembly and operation of an engine’s electrical system. This bracket is designed to securely mount the alternator to the engine, ensuring stability and proper alignment during operation.

Integration with the Alternator

The primary function of the alternator bracket is to provide a sturdy mounting point for the alternator. The alternator, a key component in the vehicle’s electrical system, converts mechanical energy from the engine into electrical energy to power the vehicle’s electrical systems and recharge the battery. The bracket ensures that the alternator is held firmly in place, minimizing vibrations and ensuring consistent performance.

Connection to the Engine

The alternator bracket is typically bolted to the engine block or another solid part of the engine assembly. This connection is vital for transmitting the rotational force from the engine to the alternator via a belt or chain. The secure attachment provided by the bracket allows the alternator to spin at the necessary speed to generate electricity efficiently.

Interaction with the Drive Belt

In many engine configurations, the alternator is driven by a serpentine belt that loops around several pulleys, including the crankshaft, water pump, and air conditioning compressor. The alternator bracket must be positioned correctly to maintain the proper tension and alignment of the drive belt. This ensures that the belt runs smoothly and efficiently, without slipping or causing excessive wear on the alternator or other components.

Role in Cooling System

In some engine designs, the alternator bracket may also play a part in the engine’s cooling system. It can support the mounting of additional components such as auxiliary cooling fans or radiator hoses. This integration helps in maintaining optimal operating temperatures for both the engine and the alternator, enhancing overall system reliability.

Electrical Connections

While the alternator bracket itself does not conduct electricity, its proper installation is essential for the electrical connections to the alternator. The bracket must be correctly aligned to allow for the secure attachment of wiring harnesses and connectors that link the alternator to the vehicle’s electrical system. This ensures that the electrical output from the alternator is efficiently distributed throughout the vehicle.

Maintenance and Adjustment

During routine maintenance or repairs, the alternator bracket may need to be accessed for adjustments or replacements. Its design often allows for easy removal and reinstallation, facilitating maintenance tasks such as belt replacement or alternator servicing. Proper reinstallation of the bracket is essential to maintain the integrity of the electrical and mechanical systems.

Conclusion

In summary, the 5286734 Alternator Bracket is a vital component that ensures the alternator is securely mounted and properly aligned within the engine system. Its role in maintaining the structural integrity, efficient operation, and reliable performance of the alternator cannot be overstated.


  1. Han, Z. (2022). Simulation and Optimization of Internal Combustion Engines. SAE International.

  2. Garrett, T.K., Newton, K., & Steeds, W. (2001). The Motor Vehicle. Reed Educational and Professional Publishing Ltd.

  3. Hillier, A. (2014). Fundamentals of Motor Vehicle Technology Book 1 6th Edition. Oxford University Press.

SPECIFICATIONS

Package Dimensions
34.0 x 34.0 x 15.0 in
Weight
7.52 lb
* 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.