3974367
Marine Gear Bracket
Cummins®

AVAILABLE

Cummins®

6 are currently available

Ships within 2-4 business days

$1,099.95 $1,308.94

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 Marine Gear Bracket Assembly (3974367), manufactured by Cummins, is a specialized component designed for use in heavy-duty trucks and marine environments. Cummins, a well-established name in the automotive and marine industries, produces this assembly to meet the demanding requirements of both land and sea applications. This component is integral to the operation of heavy-duty trucks, particularly those used in marine settings, where durability and reliability are paramount 1.

Purpose and Function

The Marine Gear Bracket Assembly (3974367) plays a significant role in the operation of heavy-duty trucks, especially in marine applications. It provides structural support to the marine gear, ensuring that it remains securely in place during operation. This support is vital for the overall functionality of the drivetrain, as it helps maintain the alignment and integrity of the gear system. By doing so, the assembly contributes to the efficient transfer of power from the engine to the wheels or propellers, enhancing the vehicle’s performance and reliability in challenging conditions 2.

Key Features

The Marine Gear Bracket Assembly (3974367) is designed with several key features that enhance its performance and durability. Constructed from high-strength materials, it is built to withstand the rigors of heavy-duty use. Its design includes precise engineering to ensure a perfect fit and optimal functionality. Additionally, the assembly may feature unique characteristics such as corrosion-resistant coatings or reinforced mounting points, which further contribute to its longevity and reliability in harsh marine environments 3.

Benefits

The benefits of using the Marine Gear Bracket Assembly (3974367) include improved stability, enhanced durability, and reliable performance in demanding conditions. The assembly’s robust construction and precise engineering ensure that it can withstand the stresses and strains associated with heavy-duty truck and marine applications. This results in a more stable and reliable drivetrain, reducing the likelihood of failures and extending the overall lifespan of the vehicle.

Installation Process

Proper installation of the Marine Gear Bracket Assembly (3974367) is crucial for ensuring correct fitting and functionality. The process involves several steps, including preparing the mounting area, aligning the bracket with the marine gear, and securing it in place using the appropriate fasteners. Tools required may include wrenches, torque wrenches, and alignment tools. Following the manufacturer’s guidelines and best practices during installation will help ensure that the assembly functions as intended and provides the expected benefits.

Maintenance Tips

Regular maintenance of the Marine Gear Bracket Assembly (3974367) is important for ensuring longevity and optimal performance. This includes periodic inspection for signs of wear or damage, cleaning to remove any debris or corrosion, and applying lubrication to moving parts as necessary. Adhering to a maintenance schedule will help identify potential issues early, allowing for timely repairs and preventing more significant problems down the line.

Troubleshooting Common Issues

Common problems associated with the Marine Gear Bracket Assembly (3974367) may include misalignment, wear on mounting points, or corrosion. Symptoms of these issues can manifest as unusual noises, vibrations, or a decrease in performance. Troubleshooting steps involve inspecting the assembly for visible signs of damage, checking alignment, and ensuring that all fasteners are secure. Addressing these issues promptly can help maintain the efficiency and reliability of the drivetrain.

Compatibility and Applications

The Marine Gear Bracket Assembly (3974367) is commonly used in various types of trucks and marine applications. It is designed to be compatible with a range of drivetrain configurations, making it a versatile component for different vehicle setups. Understanding its compatibility ensures that it can be effectively integrated into the specific application, providing the intended support and functionality.

Safety Considerations

When working with the Marine Gear Bracket Assembly (3974367), it is important to observe several safety guidelines and precautions. This includes ensuring that the vehicle is properly supported and secured during installation or maintenance, using the correct tools and fasteners, and following all manufacturer recommendations. Additionally, wearing appropriate personal protective equipment (PPE) such as gloves and safety glasses can help prevent injuries during handling and installation procedures.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer in the automotive and marine industries, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance engines and components, Cummins has established a strong reputation for excellence. The company’s product range includes a variety of engines, powertrain components, and aftermarket parts, all designed to meet the demanding needs of heavy-duty applications. Cummins’ dedication to research and development ensures that its products continue to evolve, providing customers with the latest advancements in technology and performance.

Cummins Marine Gear Bracket Assembly (Part 3974367)

The Cummins Marine Gear Bracket Assembly, part number 3974367, is a critical component designed to fit seamlessly with various Cummins marine engines. This part is engineered to ensure reliable and efficient operation of the engine’s gear system, providing stability and durability in demanding marine environments.

Compatibility with Cummins Engines

The 3974367 Marine Gear Bracket Assembly is specifically designed to fit the following Cummins marine engines:

  • QSC8.3 CM850 (CM2850)
  • QSC8.3 CM870 (CM2870)
  • QSC8.3 CM890 (CM2890)

These engines are part of the Cummins QSC series, known for their robust performance and reliability in marine applications. The bracket assembly is engineered to interface perfectly with the gear systems of these engines, ensuring smooth operation and minimizing the risk of mechanical failure.

Installation and Functionality

The installation of the 3974367 Marine Gear Bracket Assembly is straightforward, designed to integrate with the existing engine architecture. This part plays a crucial role in maintaining the alignment and stability of the engine’s gear system, which is vital for the overall performance and longevity of the engine.

By providing a secure mounting point for the gear assembly, the bracket helps to reduce wear and tear, ensuring that the engine operates at peak efficiency. This is particularly important in marine environments, where the engine is subjected to constant vibrations and harsh conditions.

Importance of Proper Fitment

Ensuring the correct fitment of the 3974367 Marine Gear Bracket Assembly is essential for the optimal performance of the engine. Any misalignment or improper installation can lead to increased stress on the gear system, potentially causing premature wear and failure. Cummins has designed this bracket to meet stringent quality standards, ensuring that it provides the necessary support and durability required for marine applications.

The compatibility of the 3974367 Marine Gear Bracket Assembly with the specified Cummins engines underscores the importance of using genuine parts for maintenance and repairs. This ensures that the engine continues to operate reliably and efficiently, providing the performance that marine users depend on.

Role of Part 3974367 Marine Gear Bracket Assembly in Engine Systems

The Marine Gear Bracket Assembly (part 3974367) is integral to the efficient operation of marine engine systems, specifically within the support and power train components.

Support Component

In the support system, the Marine Gear Bracket Assembly serves as a foundational element. It securely mounts the marine gear to the engine block, ensuring stability during operation. This bracket assembly is designed to withstand the dynamic forces generated by the marine environment, providing a robust connection that minimizes vibrations and potential misalignments. Its role is to facilitate a smooth transfer of power from the engine to the gear, enhancing the overall durability and reliability of the support structure.

Power Train Component

Within the power train, the Marine Gear Bracket Assembly plays a significant role in maintaining the integrity of the gear system. It ensures that the marine gear is properly aligned with the engine’s output shaft, which is essential for efficient power transmission. The assembly helps in distributing the load evenly across the gear teeth, reducing wear and tear. Additionally, it aids in the precise engagement of the gear with the propeller shaft, which is vital for optimal thrust and propulsion.

The assembly’s design also incorporates features that allow for easy maintenance and adjustment, ensuring that the power train components remain in optimal condition throughout the engine’s operational life. This contributes to the overall performance and longevity of the marine engine system.

Conclusion

The Marine Gear Bracket Assembly (3974367) by Cummins is a critical component for the reliable and efficient operation of heavy-duty trucks and marine engines. Its robust construction, precise engineering, and compatibility with various Cummins marine engines make it an essential part for maintaining the stability and performance of the drivetrain. Proper installation, regular maintenance, and adherence to safety guidelines are crucial for maximizing the benefits of this Cummins part.


  1. Wharton, A. J. (1991). Diesel Engines. Butterworth-Heinemann Ltd.

  2. Denton, T., & Pells, H. (2022). Automotive Technician Training Theory. Routledge.

  3. Majewski, A., & Jaskelainen, H. (2023). Diesel Emissions and Their Control: Second Edition. SAE International.

SPECIFICATIONS

Package Dimensions
15.4 x 11.5 x 9.0 in
Weight
28.01 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.