3864473
Mounting Spacer
Cummins®

The Cummins 3864473 Mounting Spacer is a critical component designed to facilitate the proper installation and alignment of various parts within commercial trucks. This part ensures that components are securely and accurately positioned, contributing to the overall efficiency and reliability of the vehicle ¹.

Basic Concepts of Mounting Spacers

Mounting spacers are mechanical components used to create distance between two parts, ensuring proper alignment and stability. They maintain the correct spacing, which is vital for the function and longevity of the connected components. In mechanical systems, spacers help distribute loads evenly and reduce the risk of misalignment, which can lead to increased wear and potential failure of parts ².

Purpose of the Cummins 3864473 Mounting Spacer

The Cummins 3864473 Mounting Spacer is specifically designed for use in commercial truck applications. It provides the necessary distance between the engine or other components and the truck’s frame or other mounting surfaces. This ensures that the components are aligned correctly, which is important for the operation and durability of the truck ³.

Key Features

The Cummins 3864473 Mounting Spacer is constructed from materials that offer durability and resistance to the stresses encountered in commercial truck environments. Its dimensions are precisely engineered to meet the requirements of specific applications, ensuring a snug fit and reliable performance. The design of the spacer includes features that enhance its functionality, such as smooth surfaces to reduce friction and potential galling during installation ⁴.

Benefits of Using the Cummins 3864473 Mounting Spacer

Utilizing the Cummins 3864473 Mounting Spacer offers several advantages. It contributes to improved alignment of components, which can lead to reduced vibration during operation. This, in turn, may help in minimizing wear on both the spacer and the components it supports. Additionally, the spacer’s design and material composition enhance the durability of the mounted components, potentially extending their service life ⁵.

Installation Considerations

When installing the Cummins 3864473 Mounting Spacer, it is important to follow guidelines and best practices to ensure proper function. This includes adhering to torque specifications to avoid over-tightening, which could damage the spacer or the components being mounted. Alignment checks should be performed to confirm that the spacer is correctly positioned and that the components are level and secure ⁶.

Troubleshooting Common Issues

Common problems with mounting spacers can include misalignment or wear over time. If issues arise, it is important to inspect the spacer and the mounted components for signs of damage or improper installation. Troubleshooting steps may involve re-aligning the components, replacing worn spacers, or addressing any other factors that could be contributing to the problem ⁷.

Maintenance Tips

Regular maintenance of the Cummins 3864473 Mounting Spacer is important to ensure its longevity and optimal performance. This includes periodic inspections to check for signs of wear or damage. Replacement guidelines should be followed if the spacer shows signs of significant wear or if it no longer performs its intended function effectively ⁸.

Cummins Overview

Cummins Inc. is a corporation known for designing, manufacturing, and distributing engines and related technologies. With a history of innovation and a diverse product range, Cummins has established a reputation for quality and reliability in the commercial truck industry. The company’s commitment to excellence is reflected in its products, including the Cummins 3864473 Mounting Spacer ⁹.

Compatibility with Cummins Engines

The Mounting Spacer part number 3864473, manufactured by Cummins, is designed to fit a variety of Cummins engines, ensuring proper alignment and stability during operation. This part is crucial for maintaining the integrity of the engine’s mounting system, contributing to the overall performance and longevity of the engine.

QSB3.3 CM2150

The QSB3.3 CM2150 engine benefits from the precise fit of the Mounting Spacer 3864473, ensuring that the engine is securely mounted and aligned within its housing. This helps in reducing vibrations and maintaining the engine’s operational efficiency.

QSB4.5 CM2250 EC

Similarly, the QSB4.5 CM2250 EC engine is compatible with the Mounting Spacer 3864473. This part ensures that the engine is properly aligned and securely fastened, which is critical for the engine’s performance and durability.

QSB6.7 Series

The QSB6.7 series, including the QSB6.7 CM2250, QSB6.7 CM2350 B105, and QSB6.7 CM850 (CM2850), all utilize the Mounting Spacer 3864473. This part is essential for maintaining the structural integrity of these engines, ensuring that they operate smoothly and efficiently.

QSB7 CM2880 B117

The QSB7 CM2880 B117 engine also requires the Mounting Spacer 3864473 for proper mounting. This ensures that the engine is securely positioned, which is vital for its performance and longevity.

QSC9 CM2250/QSL9 CM2250

Lastly, the QSC9 CM2250 and QSL9 CM2250 engines are compatible with the Mounting Spacer 3864473. This part ensures that these engines are properly aligned and mounted, contributing to their overall efficiency and durability.

Role of Part 3864473 Mounting Spacer in Engine Systems

The part 3864473 Mounting Spacer is integral to the assembly and operation of various engine components. It ensures proper alignment and spacing between parts, which is essential for the efficient functioning of the engine system.

Connection and Alignment

In the assembly process, the mounting spacer facilitates the correct connection between the engine block and other components. It maintains the necessary gap, allowing for smooth operation and preventing undue stress on the parts.

Air Intake System

Within the air intake system, the mounting spacer plays a role in securing the air filter housing to the engine. This ensures that the air intake path is unobstructed and that the air filter is properly seated, contributing to optimal airflow and engine performance.

Harness and Wiring

For the electronic control module (ECM) wiring and harness, the mounting spacer provides the required clearance and support. It helps in organizing the wiring, reducing the risk of chafing or damage, and ensures that the ECM and related components are correctly positioned.

Housing Components

When integrating housing components such as the flywheel housing, the mounting spacer ensures that the housing is correctly aligned with the engine. This alignment is vital for the flywheel’s operation, affecting the engine’s starting and running characteristics.

Plumbing and Fluid Systems

In plumbing and fluid systems, particularly those involving an auxiliary pump, the mounting spacer assists in maintaining the correct distance between the pump and the engine. This is important for the efficient transfer of fluids and the overall reliability of the system.

Auxiliary Pump Integration

For auxiliary pumps, the mounting spacer ensures that the pump is correctly positioned relative to the engine and other components. This proper placement is essential for the pump’s effective operation, contributing to the engine’s cooling and lubrication systems.

Conclusion

The Cummins 3864473 Mounting Spacer is a vital component in the assembly and operation of commercial truck engines. Its role in ensuring proper alignment and spacing between parts contributes to the efficient functioning of the engine system. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part, ensuring the longevity and reliability of the vehicle.