3904845
Refrigerant Compressor Bracket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$90.95 $108.23

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 Refrigerant Compressor Bracket, identified by part number 3904845 and manufactured by Cummins, is a vital component in commercial truck refrigeration systems. This part plays a significant role in ensuring the efficient and stable operation of refrigeration units, which are essential for transporting perishable goods over long distances. Cummins, a well-established name in the commercial truck industry, is known for its high-quality and reliable components, and the Refrigerant Compressor Bracket is no exception.

Basic Concepts of Refrigerant Compressor Brackets

A Refrigerant Compressor Bracket serves as a mounting point for the compressor within a refrigeration system. Its primary function is to securely hold the compressor in place, allowing it to operate efficiently while minimizing vibrations and ensuring stability. The bracket interfaces with other components such as the compressor, refrigerant lines, and the truck’s chassis, facilitating the overall functionality of the refrigeration system 1.

Purpose of the 3904845 Refrigerant Compressor Bracket

The 3904845 Refrigerant Compressor Bracket is designed to support the compressor in a truck’s refrigeration system. By providing a stable and secure mounting solution, it contributes to the system’s overall stability and efficiency. This bracket helps in reducing vibrations that can affect the compressor’s performance, thereby enhancing the reliability of the refrigeration system. Its role is integral to maintaining the optimal operation of the refrigeration unit, ensuring that perishable goods are kept at the required temperatures during transport 2.

Key Features

The 3904845 Refrigerant Compressor Bracket boasts several key features that enhance its durability and performance. It is constructed from high-strength materials, ensuring it can withstand the rigors of commercial truck use. The design includes robust mounting points and vibration dampening elements, which help in reducing wear and tear on the compressor. Additionally, the bracket is engineered to be compatible with a variety of refrigeration systems, offering versatility in application 3.

Benefits

The advantages of using the 3904845 Refrigerant Compressor Bracket include improved system reliability and ease of installation. Its sturdy construction and precise engineering contribute to the longevity of the refrigeration system, reducing the need for frequent replacements or repairs. The bracket is designed for straightforward installation, minimizing downtime during maintenance procedures. Over time, these factors can lead to potential cost savings for fleet operators.

Installation Process

Installing the 3904845 Refrigerant Compressor Bracket requires careful attention to detail to ensure proper functionality. Begin by identifying the correct mounting location on the truck’s chassis. Secure the bracket using the provided fasteners, ensuring they are tightened to the manufacturer’s specified torque settings. Next, mount the compressor onto the bracket, making sure all connections are secure and aligned correctly. Finally, check for any vibrations or misalignments and make adjustments as necessary. Following these steps will help avoid common pitfalls such as improper alignment or insufficient tightening, which can lead to compressor failure or reduced system efficiency.

Maintenance and Troubleshooting

To ensure the longevity and optimal performance of the 3904845 Refrigerant Compressor Bracket, regular maintenance is recommended. Inspect the bracket and its mounting points for any signs of wear or damage. Lubricate moving parts as necessary to reduce friction and wear. If vibrations are noticed, check the mounting points and ensure all fasteners are tightened correctly. Addressing these issues promptly can prevent more significant problems down the line. For troubleshooting, if the compressor shows signs of instability or failure, verify the bracket’s installation and condition. Replace any worn or damaged components to restore system functionality.

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 aftermarket parts. With a history spanning over a century, Cummins has built a reputation for quality, reliability, and innovation in the commercial truck industry. The company’s extensive product range and commitment to customer satisfaction underscore the trust placed in Cummins components, such as the 3904845 Refrigerant Compressor Bracket, by fleet operators worldwide.

Compatibility of 3904845 Refrigerant Compressor Bracket

The 3904845 Refrigerant Compressor Bracket is designed to fit a variety of Cummins engine models. This bracket is essential for securing the refrigerant compressor in place, ensuring efficient operation and longevity of the air conditioning system. Below is a detailed look at the compatibility of this part with various Cummins engines:

Compatible Engines

  • 4B3.9
  • 6B5.9
  • 6C8.3
  • B4.5
  • B5.9 G
  • B5.9 GAS PLUS CM556
  • C8.3 G
  • QSB3.9 30 CM550
  • QSB5.9 30 CM550

Grouping of Compatible Engines

The 3904845 Refrigerant Compressor Bracket is engineered to fit into two main groups of engines:

  1. B Series Engines

    • B4.5
    • B5.9 G
    • B5.9 GAS PLUS CM556
  2. 4B, 6B, 6C, QSB Series Engines

    • 4B3.9
    • 6B5.9
    • 6C8.3
    • C8.3 G
    • QSB3.9 30 CM550
    • QSB5.9 30 CM550

This part ensures that the refrigerant compressor is securely mounted, which is crucial for maintaining the efficiency and performance of the engine’s air conditioning system. The design of the bracket is compatible with the specific mounting points and configurations of these engine models, providing a reliable and durable solution for securing the compressor.

Role of 3904845 Refrigerant Compressor Bracket in Engine Systems

The 3904845 Refrigerant Compressor Bracket is an essential component in the assembly and operation of engine systems integrated with refrigeration units. This part securely mounts the refrigerant compressor to the engine, ensuring stability and proper alignment during operation.

When installed, the bracket allows the refrigerant compressor to be firmly attached to the engine’s mounting points. This secure attachment is vital for the efficient transfer of mechanical energy from the engine to the compressor. The bracket’s design accommodates the dynamic forces generated during engine operation, minimizing vibrations that could otherwise lead to compressor malfunction or damage.

Additionally, the bracket facilitates the routing of refrigerant lines and electrical connections between the compressor and other components of the refrigeration system. This integration ensures that the refrigerant flow is maintained without obstruction, contributing to the overall efficiency of the cooling process.

The 3904845 Refrigerant Compressor Bracket also plays a role in thermal management. By keeping the compressor in a fixed position relative to the engine, it helps in dissipating heat generated during compression cycles, thereby protecting both the compressor and surrounding engine components from overheating.

Conclusion

In summary, the 3904845 Refrigerant Compressor Bracket is a key element in the setup of engine systems with refrigeration capabilities, ensuring reliable performance and longevity of the compressor and associated components. Its robust design, compatibility with various engine models, and role in minimizing vibrations and facilitating efficient refrigerant flow make it an indispensable part of commercial truck refrigeration systems.


  1. Robert Bosch GmbH, Bosch Automotive Handbook 9th Edition, Robert Bosch GmbH, 2014.

  2. R. Matthew Brach, SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety, SAE Books, 2023.

  3. Kirk T Van Gelder, Fundamentals of Automotive Technology Principles and Practice, Jones Bartlett Learning, 2018.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
7.25 x 2.3 x 5.0 in
Weight
0.95 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.