3975117
Mounting Spacer
Cummins®

The Cummins 3975117 Mounting Spacer is a component designed for use in heavy-duty truck applications. Its purpose is to provide the necessary spacing and alignment between various engine components, ensuring optimal performance and longevity of the engine system. In the context of heavy-duty trucks, where durability and efficiency are paramount, the role of such components is significant.

Basic Concepts of Mounting Spacers

Mounting spacers are mechanical components used to create the required distance between two parts. They play a role in maintaining the proper alignment and stability of components within a system. By ensuring that parts are correctly spaced, mounting spacers help to prevent undue stress on the components, reduce the likelihood of misalignment, and contribute to the overall efficiency and reliability of the mechanical system ¹.

Purpose of the 3975117 Mounting Spacer

The 3975117 Mounting Spacer is specifically designed for use in Cummins engines and associated systems. It plays a role in the proper installation and alignment of engine components, ensuring that they operate within the manufacturer’s specified tolerances. This spacer is integral to maintaining the structural integrity and operational efficiency of the engine, contributing to its overall performance and durability ².

Key Features

The 3975117 Mounting Spacer is characterized by several key features that enhance its functionality. These include its material composition, which is selected for durability and resistance to the operating conditions within an engine. The dimensions of the spacer are precisely engineered to meet the specific requirements of Cummins engines, ensuring a proper fit and function. Additionally, the design of the spacer incorporates features that facilitate easy installation and removal, as well as compatibility with other components in the system.

Benefits of Using the 3975117 Mounting Spacer

The use of the 3975117 Mounting Spacer offers several advantages. It contributes to improved alignment of engine components, which can lead to reduced vibration and enhanced operational stability. The spacer’s durable construction supports long-term use, potentially offering cost savings over time by reducing the need for frequent replacements. Additionally, by ensuring components are properly spaced and aligned, the spacer can help to maintain the efficiency and performance of the engine ³.

Installation Guidelines

Proper installation of the 3975117 Mounting Spacer involves several steps to ensure optimal performance. It is important to use the correct tools and any additional components specified by the manufacturer. The installation process should follow the manufacturer’s guidelines to ensure that the spacer is correctly positioned and secured. Best practices include verifying the alignment of components before final tightening and ensuring that all connections are secure to prevent movement during operation.

Troubleshooting Common Issues

Common issues with mounting spacers may include misalignment or wear over time. To address these problems, it is important to conduct regular inspections of the spacer and associated components. If misalignment is detected, re-evaluation of the installation process may be necessary. Wear on the spacer can be assessed through visual inspection or by measuring its dimensions against the manufacturer’s specifications. Replacement of the spacer may be required if significant wear is observed.

Maintenance Tips

Regular maintenance of the 3975117 Mounting Spacer is important to ensure its continued effectiveness. This includes periodic inspection for signs of wear or damage, cleaning to remove any debris that may affect its function, and following the manufacturer’s recommendations for replacement intervals. Proper maintenance can help to extend the life of the spacer and maintain the efficiency of the engine system.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a history of innovation and a commitment to quality, Cummins has established a strong reputation in the automotive and heavy-duty truck industry. The company’s product range is designed to meet the demanding requirements of various applications, providing reliable and efficient power solutions.

Cummins Engine Mounting Spacer 3975117

The Cummins Mounting Spacer part number 3975117 is a critical component designed to ensure proper alignment and stability of the engine within its mounting system. This part is engineered to fit seamlessly with a range of Cummins engines, providing a reliable connection between the engine and its mounting points.

Compatible Engines

• 4B3.9
• 6B5.9
• B5.9 CM2670 B166C
• B5.9 GAS PLUS CM556
• ISB3.9 CM2220 B107
• QSB5.9 CM2880 B139

The mounting spacer is designed to work with the following groups of engines:

• B5.9 Series:

  • B5.9 CM2670 B166C
  • B5.9 GAS PLUS CM556

• 3.9 Series:

  • 4B3.9
  • ISB3.9 CM2220 B107

• 5.9 Series:

  • 6B5.9
  • QSB5.9 CM2880 B139

Each of these engines benefits from the precision and durability of the 3975117 mounting spacer, ensuring that the engine remains securely fastened and properly aligned within the vehicle’s engine bay. This helps to maintain optimal performance and longevity of the engine, as well as reducing the risk of mechanical failure due to misalignment or excessive movement.

Role of Part 3975117 Mounting Spacer in Engine Systems

The part 3975117 Mounting Spacer is an integral component in the assembly and operation of various engine systems, particularly those involving the compressor and refrigerant components.

In systems where a refrigerant compressor is utilized, the Mounting Spacer ensures proper alignment and spacing between the compressor and its mounting points. This alignment is essential for the efficient operation of the compressor, as it allows for optimal movement and reduces the risk of mechanical stress or failure.

Furthermore, the Mounting Spacer plays a significant role in maintaining the integrity of the refrigerant system. By providing a stable and consistent mounting solution, it helps in preventing leaks and ensuring that the refrigerant pathways remain unobstructed. This is particularly important in high-pressure systems where even minor misalignments can lead to significant issues.

Additionally, the Mounting Spacer contributes to the overall stability of the engine system. It helps in distributing the load evenly across the mounting points, which is vital for the longevity and reliability of the engine components.

Conclusion

In summary, the 3975117 Mounting Spacer is a key element in the assembly of engine systems, particularly those involving compressors and refrigerant components. Its role in ensuring proper alignment, stability, and integrity of the system cannot be overstated.