3904977
Refrigerant Compressor Bracket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$129.95 $154.64

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 3904977 by Cummins is a component designed for use in the refrigeration systems of commercial trucks. Its purpose is to provide a secure mounting solution for the refrigerant compressor, ensuring stability and proper alignment within the refrigeration unit. This part plays a role in maintaining the integrity and efficiency of the cooling system by supporting the compressor and facilitating its operation.

Basic Concepts of Refrigerant Compressor Brackets

A Refrigerant Compressor Bracket serves as a mounting structure for the refrigerant compressor within a refrigeration system. Its function is to securely hold the compressor in place, allowing it to operate efficiently while minimizing vibrations and movement. This bracket contributes to the overall cooling process by ensuring the compressor remains stable and aligned, which is vital for the consistent performance of the refrigeration system 1.

Purpose and Role of the Refrigerant Compressor Bracket

The Refrigerant Compressor Bracket is specifically designed to support the compressor in a truck’s refrigeration system. It plays a role in the operation of the system by providing a stable platform for the compressor, which is important for the efficient compression of refrigerant gases. This bracket helps maintain system integrity by ensuring the compressor is properly positioned and secured, which is important for the reliable performance of the refrigeration unit 2.

Key Features of the Refrigerant Compressor Bracket

The Refrigerant Compressor Bracket features a robust material composition, typically including high-strength steel or aluminum, which offers durability and resistance to corrosion. Its design elements include precise mounting points and alignment features that ensure the compressor is securely held in place. Additionally, the bracket may incorporate vibration dampening materials or features to reduce noise and enhance stability during operation 3.

Benefits of Using the Refrigerant Compressor Bracket

Using the Refrigerant Compressor Bracket can lead to improved system reliability, as it provides a stable and secure mounting solution for the compressor. The ease of installation is another benefit, as the bracket is designed to integrate seamlessly with the refrigeration system. Over time, the use of this bracket may result in potential cost savings due to its durability and the reduced need for maintenance or replacement.

Installation and Integration

Proper installation of the Refrigerant Compressor Bracket involves ensuring that the refrigeration system is prepared for the addition of the bracket. This may include checking for proper alignment and clearance within the system. Following the manufacturer’s guidelines for installation is important to ensure the bracket is securely mounted and the compressor is properly aligned. Consideration should be given to any specific prerequisites or system requirements to facilitate a successful setup.

Maintenance and Troubleshooting

Maintaining the Refrigerant Compressor Bracket involves regular inspection for signs of wear or damage, ensuring that all mounting points are secure, and that the compressor remains properly aligned. Common troubleshooting tips include checking for loose connections, verifying the alignment of the compressor, and addressing any vibrations or unusual noises that may indicate a problem with the bracket or the compressor itself.

Compatibility and Application

The Refrigerant Compressor Bracket is designed for use in specific types of trucks and refrigeration systems. It is important to verify compatibility with the intended application to ensure optimal performance and integration within the system. Notable applications may include refrigerated transport trucks and other commercial vehicles requiring reliable refrigeration solutions.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established itself as a trusted name in the commercial vehicle industry. The company’s expertise in diesel engines and technologies, combined with its commitment to innovation, positions it as a key player in providing reliable and efficient solutions for a wide range of applications, including refrigeration systems for commercial trucks.

Cummins Refrigerant Compressor Bracket 3904977 Compatibility

The Cummins Refrigerant Compressor Bracket part number 3904977 is designed to fit a variety of Cummins engines, ensuring a secure and efficient mounting for the refrigerant compressor. This bracket is integral to maintaining the integrity of the air conditioning system in these 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

The bracket is engineered to accommodate the specific design and mounting requirements of these engines, ensuring compatibility across different models and configurations. Whether it’s for a 4B3.9 or a QSB5.9 30 CM550, the 3904977 bracket provides a reliable solution for securing the refrigerant compressor.

Engine Grouping

For ease of reference, the engines can be grouped based on their model series:

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

This grouping helps in understanding the broader application of the bracket across different engine families within the Cummins lineup. The bracket’s design ensures it fits seamlessly into the engine’s architecture, providing a robust and dependable mounting solution.

Role of Part 3904977 Refrigerant Compressor Bracket in Engine Systems

The Refrigerant Compressor Bracket, identified by part number 3904977, is an integral component in the assembly and operation of engine systems that incorporate refrigerant compressors. This bracket serves as the foundational mounting point for the refrigerant compressor, ensuring it is securely fastened to the engine structure.

In the context of an engine system, the bracket is designed to withstand the vibrations and operational stresses generated by the compressor. It provides a stable platform that allows the compressor to function efficiently without risking detachment or misalignment.

The bracket’s design also facilitates the proper alignment of the compressor with other components, such as the refrigerant lines and the engine’s mounting points. This alignment is essential for the efficient transfer of refrigerant, typically Freon, through the system.

Moreover, the bracket plays a role in managing the thermal expansion and contraction that occurs within the refrigerant system. By providing a robust and resilient mounting solution, it helps maintain the integrity of the refrigerant pathways, ensuring consistent performance of the cooling system.

In summary, the Refrigerant Compressor Bracket (part 3904977) is a key element in the assembly of engine systems with refrigerant compressors, contributing to the stability, alignment, and overall efficiency of the refrigerant circulation process.

Conclusion

The Refrigerant Compressor Bracket 3904977 by Cummins is a critical component in the refrigeration systems of commercial trucks, ensuring the stability and efficiency of the refrigerant compressor. Its robust design, ease of installation, and compatibility with various Cummins engines make it a reliable choice for maintaining the integrity of refrigeration systems. Regular maintenance and proper installation are key to maximizing the benefits of this part.


  1. Hans B. Pacejka, Tyre and Vehicle Dynamics, Butterworth-Heinemann, 2006.

  2. Kazimierz Lejda and Pawel Wos, Internal Combustion Engines, InTech, 2012.

  3. Joseph A Bell, Modern Diesel Technology Electricity Electronics, Delmar Cengage Learning, 2014.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
6.0 x 4.0 x 0.125 in
Weight
0.79 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.