3901470
Bushing
Cummins®

The Cummins 3901470 Bushing is a specialized component designed for use in commercial trucks. It serves a pivotal role in the mechanical system of these vehicles, contributing to the smooth operation and longevity of various truck components. Understanding its purpose and function is key to maintaining the efficiency and reliability of commercial trucks.

Basic Concepts of Bushings

Bushings are mechanical components used to provide a bearing surface between two parts. They are typically cylindrical in shape and are made from materials that can withstand wear and reduce friction. In mechanical systems, bushings play a role in supporting moving parts, absorbing vibrations, and minimizing wear on connected components. They operate by creating a low-friction interface, which helps in the efficient transfer of motion and reduces the stress on the parts they connect ¹.

Purpose of the Cummins 3901470 Bushing

The Cummins 3901470 Bushing is specifically designed to fit within the mechanical system of commercial trucks. It plays a role in supporting and aligning components that experience significant movement and stress. Its placement within the truck’s system allows it to absorb vibrations and reduce friction between moving parts, which contributes to the overall efficiency and durability of the truck’s mechanical components.

Key Features

The Cummins 3901470 Bushing is characterized by several key features that enhance its performance and durability. It is composed of materials chosen for their ability to withstand the rigors of commercial truck operation. The design of the bushing includes elements that ensure a precise fit and optimal performance within the truck’s mechanical system. Unique characteristics, such as its material composition and design, contribute to its effectiveness in reducing wear and friction.

Benefits

The use of the Cummins 3901470 Bushing offers several advantages. It contributes to improved efficiency by reducing friction between moving parts. This reduction in friction can lead to lower maintenance needs, as components experience less wear over time. Additionally, the bushing’s design and material properties enhance the longevity of connected components, supporting the overall reliability of the truck’s mechanical system.

Installation Considerations

When installing the Cummins 3901470 Bushing, it is important to follow guidelines and best practices to ensure proper fit and function. Preparatory steps may include cleaning the installation area and inspecting the bushing for any defects. Tools required for installation should be appropriate for the task, and alignment considerations are crucial to ensure the bushing operates as intended within the truck’s mechanical system.

Troubleshooting Common Issues

Common problems associated with bushings can include wear, misalignment, and increased friction. These issues may arise from improper installation, excessive stress on the component, or normal wear over time. Troubleshooting steps may involve inspecting the bushing for signs of wear, ensuring proper alignment, and replacing the bushing if necessary to maintain the efficiency and reliability of the truck’s mechanical system.

Maintenance Tips

Routine maintenance practices are important for ensuring the longevity and optimal performance of the Cummins 3901470 Bushing. Regular inspection intervals should be observed to check for signs of wear or damage. Addressing any issues promptly can help prevent more significant problems down the line. Maintenance tips may also include keeping the installation area clean and free of debris that could affect the bushing’s performance.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company’s product range includes a variety of components designed to enhance the performance, efficiency, and reliability of commercial vehicles.

Cummins Engine Bushing 3901470 Compatibility

The Cummins Bushing part number 3901470 is designed to fit a variety of Cummins engines, ensuring a snug and reliable fit for optimal performance. This bushing is engineered to provide stability and reduce wear in critical engine components.

Compatible Engines

• 6C8.3
• C GAS PLUS CM556
• C8.3 G
• G8.3
• ISC CM554
• ISC CM850
• QSC8.3 CM554

Grouping of Compatible Engines

The bushing 3901470 is compatible with the following groups of engines:

• 6C8.3, C8.3 G, G8.3: These engines are part of the Cummins 6C and C series, known for their robust design and reliability in various applications.
• ISC CM554, QSC8.3 CM554: These engines fall under the Cummins ISC and QSC series, which are designed for heavy-duty applications, providing durability and efficiency.
• C GAS PLUS CM556: This engine represents a specialized variant within the Cummins lineup, tailored for specific operational needs.

Each of these engines benefits from the precise fit and function of the 3901470 bushing, ensuring longevity and performance.

Role of Part 3901470 Bushing in Engine Systems

The part 3901470 Bushing is an essential component in various engine systems, contributing to the smooth operation and durability of the engine. Its primary function is to provide a low-friction interface between moving parts, reducing wear and enhancing performance.

Integration with Engine Components

1. Cylinder Block and Cylinder Head:

   • The Bushing is often installed in the cylinder block to support the camshaft journal. This support ensures that the camshaft operates smoothly without excessive wear on the cylinder block surfaces.
   • In the cylinder head, the Bushing may be used to support injector mounting points, ensuring that fuel injectors are securely positioned and aligned for optimal fuel delivery.

2. Camshaft:

   • Within the camshaft system, the Bushing helps maintain proper alignment and reduces friction between the camshaft and the cylinder block. This is vital for consistent valve operation and overall engine performance.

3. Engine Piston and Connecting Rod:

   • Although the Bushing is not directly part of the piston or connecting rod assembly, its role in supporting other components indirectly contributes to the stability and efficiency of the piston’s movement within the cylinder.

4. Fuel Injector and Injectors:

   • The Bushing is crucial in the fuel injection system, where it supports injector mounting points. This ensures that injectors are held firmly in place, allowing for precise fuel spray patterns and efficient combustion.

5. Engine Assembly and Repair Kit:

   • During engine assembly or when using a repair kit, the Bushing is often replaced to ensure all moving parts interact smoothly. This is particularly important in performance parts where even minor friction can impact engine output.

6. Short Block and Long Block:

   • In both short block and long block engine configurations, the Bushing plays a role in maintaining the integrity of the engine’s internal components. It ensures that all parts, from the piston to the camshaft, operate within designed tolerances.

7. Performance and Durability:

   • By reducing friction and wear, the Bushing contributes to the overall performance and longevity of the engine. It is a small yet significant part that helps in achieving higher efficiency and reliability in engine operations ².

Conclusion

The Cummins 3901470 Bushing is a critical component in the maintenance and operation of commercial trucks and engines. Its role in reducing friction, absorbing vibrations, and supporting moving parts contributes to the efficiency, reliability, and longevity of the mechanical systems it is part of. Proper installation, maintenance, and understanding of its function are essential for maximizing the benefits this Cummins part provides.