3904978
Refrigerant Compressor Bracket
Cummins®

The Refrigerant Compressor Bracket 3904978 is a component manufactured by Cummins, a well-established name in the commercial truck industry. This bracket is designed to support and secure the refrigerant compressor within a truck’s refrigeration system. Its role is vital in ensuring the compressor operates efficiently and reliably, contributing to the overall performance of the refrigeration system.

Basic Concepts of Refrigerant Compressor Brackets

A Refrigerant Compressor Bracket serves as a mounting point for the refrigerant compressor, securing it in place within the refrigeration system. This bracket allows the compressor to function optimally by providing a stable platform. It operates in conjunction with other components such as the condenser, evaporator, and expansion valve, all of which work together to cool the truck’s cargo area. The bracket’s design and material are crucial in withstanding the vibrations and stresses encountered during truck operations ¹.

Role of the Refrigerant Compressor Bracket in Truck Operations

In the operation of a truck, particularly those equipped with refrigeration units, the Refrigerant Compressor Bracket plays a significant role. It ensures the compressor remains firmly in place, reducing the risk of damage from vibrations and movement. This stability is crucial for maintaining the efficiency and reliability of the refrigeration system, which is paramount for preserving perishable goods during transport. By securing the compressor, the bracket contributes to the consistent performance of the refrigeration system, ensuring that temperature-sensitive cargo remains at the required temperature throughout the journey ².

Key Features of the 3904978 Refrigerant Compressor Bracket

The 3904978 Refrigerant Compressor Bracket is characterized by several key features that enhance its performance. It is crafted from durable materials that can withstand the harsh conditions of truck operations. The design of the bracket includes provisions for secure mounting, ensuring the compressor is held firmly in place. Additionally, the bracket is engineered to accommodate the specific dimensions and requirements of the compressor it supports, ensuring a precise fit and optimal functionality ³.

Benefits of Using the 3904978 Refrigerant Compressor Bracket

Utilizing the 3904978 Refrigerant Compressor Bracket offers several benefits. Its robust construction contributes to improved system stability, reducing the likelihood of compressor failure due to movement or vibration. The bracket’s durable materials enhance the overall durability of the refrigeration system, potentially leading to cost savings over time by reducing the need for frequent repairs or replacements. Furthermore, the precise fit and secure mounting provided by the bracket ensure the compressor operates efficiently, contributing to the reliable performance of the refrigeration system ⁴.

Installation and Compatibility

Proper installation of the 3904978 Refrigerant Compressor Bracket is crucial for ensuring the compressor operates efficiently and the refrigeration system functions as intended. Installation procedures should follow manufacturer guidelines to ensure the bracket is securely mounted and the compressor is properly aligned. Compatibility with various truck models and refrigeration systems is an important consideration, ensuring the bracket fits correctly and functions effectively within the specific system it is installed in ⁵.

Maintenance and Troubleshooting

Maintaining the Refrigerant Compressor Bracket is important for ensuring the ongoing performance of the refrigeration system. Regular inspections should be conducted to check for any signs of wear or damage to the bracket. Common issues may include loosening of the mounting bolts or damage to the bracket itself, which can affect the stability of the compressor. Troubleshooting steps may involve tightening loose bolts, replacing damaged components, or adjusting the bracket to ensure the compressor remains securely mounted ⁶.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its wide range of high-quality products. With a history of innovation and commitment to quality, Cummins has established a strong reputation for producing reliable and durable components. The company’s product range includes engines, powertrains, and various truck components, all designed to meet the demanding requirements of commercial truck operations. Cummins’ dedication to quality and innovation is evident in its manufacturing processes and the performance of its products, making it a trusted name in the industry ⁷.

Cummins Refrigerant Compressor Bracket 3904978 Compatibility

The Cummins Refrigerant Compressor Bracket part number 3904978 is designed to fit a variety of Cummins engine models. This bracket is essential for securing the refrigerant compressor in place, ensuring efficient operation 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 provide a robust and reliable mounting solution for the refrigerant compressor across these engine models. This ensures that the air conditioning system functions optimally, maintaining the comfort and efficiency of the vehicle or machinery in which these engines are installed.

Grouping of Compatible Engines

The compatibility of the Cummins Refrigerant Compressor Bracket 3904978 can be grouped based on the engine series and specifications:

• 4B3.9 and QSB3.9 30 CM550: These engines are part of the smaller displacement range, typically used in applications requiring less power but still needing reliable air conditioning.
• 6B5.9 and QSB5.9 30 CM550: These engines belong to the mid-range displacement series, offering a balance between power and efficiency, suitable for a variety of applications.
• 6C8.3 and C8.3 G: These engines are part of the higher displacement range, providing substantial power and are often used in heavy-duty applications.
• B4.5, B5.9 G, B5.9 GAS PLUS CM556: These engines are part of the B series, which includes both gas and diesel variants, catering to a wide range of applications from light to medium-duty.

By ensuring that the refrigerant compressor bracket is compatible with these diverse engine models, Cummins maintains a high standard of quality and reliability across its product line.

Role of Part 3904978 Refrigerant Compressor Bracket in Engine Systems

The Refrigerant Compressor Bracket, identified by part number 3904978, is an essential component in the assembly and operation of engine systems that incorporate a refrigerant compressor. This bracket serves as the mounting point for the refrigerant compressor, ensuring it is securely attached to the engine structure.

When the refrigerant compressor is operational, it compresses the refrigerant (commonly known as freon) to facilitate the cooling process within the engine system. The Refrigerant Compressor Bracket plays a significant role in maintaining the alignment and stability of the compressor during its operation.

This bracket is designed to withstand the vibrations and stresses generated by the compressor, ensuring that the compressor remains in the correct position and operates efficiently. Proper mounting is essential for the compressor to function correctly, as any misalignment can lead to inefficient cooling, increased wear on the compressor, and potential system failures.

Conclusion

In summary, the Refrigerant Compressor Bracket (part 3904978) is integral to the secure and efficient operation of the refrigerant compressor within engine systems, contributing to the overall reliability and performance of the cooling system. Its robust construction, precise fit, and compatibility with various Cummins engine models make it a valuable component in maintaining the efficiency of refrigeration systems in commercial trucks.