3651810
Alternator Guard
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,149.95 $1,368.44

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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 3651810 Alternator Guard is a component designed to protect the alternator in commercial trucks. Its role is to safeguard the alternator from physical damage, thereby contributing to the efficient operation and reliability of the truck’s electrical system. This guard is particularly significant in environments where trucks are exposed to debris, rough terrain, or harsh conditions 1.

Purpose of the Alternator Guard

The Alternator Guard serves to shield the alternator from potential damage caused by external factors such as rocks, branches, or other debris. By providing a physical barrier, it helps maintain the alternator’s efficiency and longevity. This protection is vital for ensuring the consistent performance of the truck’s electrical system, which powers various components including lights, sensors, and other critical systems 2.

Key Features

The Cummins 3651810 Alternator Guard is constructed from durable materials designed to withstand the rigors of commercial truck operation. It typically features a robust metal frame that is resistant to impacts and corrosion. The guard is equipped with secure mounting mechanisms, often including bolts and brackets, to ensure a stable attachment to the truck’s frame. Additionally, its design allows for easy access to the alternator for maintenance or replacement, without needing to remove the guard entirely 3.

Benefits of Using an Alternator Guard

Utilizing an Alternator Guard offers several advantages. It enhances the durability of the alternator by reducing the likelihood of damage from flying debris or accidental impacts. This protection can lead to fewer repairs and replacements, resulting in cost savings over time. Moreover, a well-protected alternator contributes to the overall reliability of the truck’s electrical system, ensuring consistent performance in various operating conditions.

Installation Process

Installing the Cummins 3651810 Alternator Guard involves several steps to ensure a secure fit. Begin by locating the mounting points on the truck’s frame near the alternator. Use the provided bolts and brackets to attach the guard, ensuring all fasteners are tightened to the manufacturer’s specifications. It is recommended to use a torque wrench to achieve the correct tightness. Once installed, verify that the guard is firmly in place and does not interfere with the alternator’s operation.

Maintenance and Inspection

Routine maintenance and inspection of the Alternator Guard are important to ensure it remains in optimal condition. Regularly clean the guard to remove any accumulated dirt or debris that could affect its performance. Inspect the mounting bolts and brackets for signs of loosening or corrosion, tightening or replacing them as necessary. Additionally, check the guard for any physical damage, such as dents or cracks, and address any issues promptly to maintain its protective function.

Common Issues and Troubleshooting

Common issues with the Alternator Guard may include loose mounting bolts, which can lead to instability, or damage from impacts. To address these problems, first, ensure all mounting bolts are tightened to the specified torque. If the guard is damaged, assess the extent of the damage to determine if repair or replacement is necessary. In cases of significant damage, it is advisable to replace the guard to maintain the protection of the alternator.

Manufacturer Overview - Cummins

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 strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product line and focus on reliability make it a trusted choice for commercial vehicle components, including the Cummins 3651810 Alternator Guard.

Compatibility with Cummins Engines

The Cummins part 3651810, an Alternator Guard, is designed to fit seamlessly with several of the listed engines. Specifically, it is compatible with the QSK38 CM2150 MCRS, QSK50 CM2150 MCRS, and QSK50 CM2350 K108 engines. This part is engineered to provide protection to the alternator, ensuring that it remains shielded from potential damage caused by debris, dust, and other environmental factors.

For the QSK38 CM2150 MCRS and QSK50 CM2150 MCRS engines, the Alternator Guard is designed to fit precisely, ensuring a snug and secure installation. This compatibility is crucial for maintaining the integrity of the alternator and preventing any performance issues that could arise from exposure to the elements.

Similarly, for the QSK50 CM2350 K108 engine, the Alternator Guard is crafted to align perfectly with the engine’s design, offering robust protection for the alternator. This ensures that the alternator operates efficiently and reliably, contributing to the overall performance and longevity of the engine.

Role of Part 3651810 Alternator Guard in Engine Systems

The Alternator Guard, identified by part number 3651810, is a component in the protection and efficient operation of alternators within various engine systems. This guard is strategically positioned to shield the alternator from physical damage caused by debris, vibrations, and other environmental factors that could impair its function.

In the context of engine systems, the Alternator Guard works in conjunction with several key components to ensure the alternator operates under optimal conditions. It is particularly important in systems where the alternator is exposed to harsh environments, such as in off-road vehicles, construction equipment, and marine engines.

The guard is designed to fit snugly around the alternator, providing a barrier that reduces the risk of damage from flying debris, such as gravel, dust, and other particulates. This protection is vital for maintaining the alternator’s efficiency and longevity, as any damage to the alternator can lead to reduced electrical output, impacting the overall performance of the engine system.

Additionally, the Alternator Guard helps in managing heat dissipation. By allowing air to flow through designated channels while blocking direct contact with the alternator, it aids in cooling the component, preventing overheating which can lead to failure.

Conclusion

In summary, the integration of the Alternator Guard in engine systems enhances the durability and reliability of the alternator, ensuring consistent power supply to the electrical systems of the vehicle or machinery. The Cummins 3651810 Alternator Guard plays a significant role in protecting the alternator from environmental and physical damage, contributing to the efficient and reliable operation of commercial trucks and other heavy-duty vehicles.


  1. Qianfan Xin, Diesel Engine System Design, Woodhead Publishing, 2011.

  2. , Composite Materials Handbook Volume 4 Metal Matrix Composites, SAE International, 2013.

  3. Vaclav Smil, The History and Impact of Diesel Engines and Gas Turbines, The MIT Press, 2010.

SPECIFICATIONS

Package Dimensions
53.6 x 32.1 x 43.4 in
Weight
5.175 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.