4067902
Vibration Isolator
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$159.95 $190.34

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 Cummins 4067902 Vibration Isolator is a component designed to mitigate the transmission of vibrations from the engine and drivetrain to the truck’s frame and cabin. This part plays a role in enhancing the operational efficiency and comfort of commercial trucks by reducing the impact of engine vibrations 3.

Basic Concepts of Vibration Isolators

Vibration isolators are devices that reduce the transmission of vibrations between two surfaces. They function by absorbing or dampening the vibrational energy, thereby minimizing its impact on connected components. In mechanical systems, particularly heavy-duty trucks, vibration isolators are vital for maintaining the integrity and longevity of various parts. They help in reducing wear and tear, enhancing ride comfort, and ensuring the smooth operation of the vehicle 1.

Purpose of the 4067902 Vibration Isolator

The Cummins 4067902 Vibration Isolator is specifically designed to reduce vibrations transmitted from the engine and drivetrain to the truck’s frame and cabin. By doing so, it helps in maintaining a stable and comfortable environment for both the driver and passengers, while also protecting the truck’s structural components from excessive vibrational stress 3.

Key Features

The Cummins 4067902 Vibration Isolator features a robust design that incorporates high-quality materials to ensure durability and effectiveness. Its construction includes elastomeric components that provide excellent vibration dampening capabilities. Additionally, the isolator is engineered to withstand the harsh conditions typically encountered in commercial truck operations, ensuring reliable performance over time 2.

Benefits of Using the 4067902 Vibration Isolator

Installing the Cummins 4067902 Vibration Isolator in trucks offers several advantages. These include improved ride comfort for both the driver and passengers, reduced wear and tear on truck components due to minimized vibrations, and enhanced overall performance of the vehicle. The isolator contributes to a smoother driving experience and helps in maintaining the truck’s structural integrity 3.

Installation Process

The installation of the Cummins 4067902 Vibration Isolator involves several steps. It requires the use of specific tools and equipment to ensure proper fitting and functionality. Safety precautions, such as ensuring the engine is off and the truck is securely supported, should be taken during the installation process. Detailed instructions provided by Cummins should be followed to achieve optimal results 2.

Troubleshooting Common Issues

Common issues with the Cummins 4067902 Vibration Isolator may include signs of wear or failure, such as cracks or deformation in the elastomeric components. Troubleshooting steps involve inspecting the isolator for any visible damage, ensuring it is properly installed, and replacing it if necessary. Regular checks can help in identifying potential problems early and addressing them promptly 3.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 4067902 Vibration Isolator, regular maintenance practices are recommended. This includes periodic inspections for signs of wear or damage, cleaning the isolator to remove any debris or contaminants, and following the manufacturer’s guidelines for maintenance intervals. Proper care will help in maintaining the isolator’s effectiveness and extending its service life 3.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality and innovation. The company’s extensive product range and focus on customer satisfaction underscore its position as a trusted provider of automotive components 3.

Compatibility of the Cummins Vibration Isolator 4067902

The Cummins Vibration Isolator part number 4067902 is designed to fit seamlessly with a range of Cummins engines, ensuring optimal performance and longevity. This part is engineered to mitigate the effects of engine vibrations, which can otherwise lead to increased wear and tear on engine components and the overall machinery 2.

QST30 CM552 Engines

The 4067902 Vibration Isolator is specifically compatible with the QST30 CM552 engines. This compatibility ensures that the isolator effectively reduces the transmission of vibrations from the engine to the mounting structure, thereby protecting the engine and its components from undue stress. The isolator’s design allows it to absorb and dampen vibrations, which is crucial for maintaining the integrity of the engine and the surrounding machinery 2.

Grouping of Compatible Engines

While the primary focus here is on the QST30 CM552 engines, it is important to note that the 4067902 Vibration Isolator is also compatible with other Cummins engines within the same family or those that share similar design characteristics. This compatibility extends to various models that utilize similar mounting systems and vibration management requirements 2.

By integrating the 4067902 Vibration Isolator into the engine setup, users can expect a reduction in operational noise, enhanced engine lifespan, and improved overall performance. This part is a critical component for those seeking to maintain the efficiency and reliability of their Cummins engines 2.

Role of the 4067902 Vibration Isolator in Engine Systems

The 4067902 Vibration Isolator is instrumental in maintaining the stability and efficiency of various engine systems by mitigating unwanted vibrations. When integrated into the engine assembly, this component ensures that the vibrations generated by the engine do not adversely affect other sensitive components 3.

Integration with Fuel System Components

  1. Fuel Filter: The Vibration Isolator helps in stabilizing the fuel filter, ensuring that the filtration process is not disrupted by engine vibrations. This stability is essential for maintaining the filter’s efficiency and longevity 3.

  2. Fuel Filter (Top Level Assembly): In more complex fuel systems, the isolator plays a role in securing the top-level assembly of the fuel filter. This prevents any misalignment or damage that could occur due to vibrations, thereby ensuring consistent fuel quality 3.

  3. Fuel Filter Head: The isolator is also used to secure the fuel filter head, which is a critical junction in the fuel system. By reducing vibrations, it helps in maintaining a secure connection, which is vital for the proper functioning of the fuel system 3.

Enhancing Pump Performance

  1. Fuel Transfer Pump: The Vibration Isolator is employed to mount the fuel transfer pump securely. This ensures that the pump operates efficiently without being affected by engine vibrations, which could otherwise lead to performance issues or premature wear 3.

  2. Transfer Pump Kit: When part of a transfer pump kit, the isolator ensures that all components within the kit are firmly mounted. This is particularly important for maintaining the integrity of the pump’s performance and the overall fuel delivery system 3.

Overall System Stability

  1. Filter and Package: The isolator is often used in conjunction with filter packages to ensure that the entire assembly remains stable. This is important for maintaining the structural integrity of the filter and ensuring that it functions as intended 3.

  2. Product Installation: During the installation of various engine components, the Vibration Isolator is used to secure parts in place. This not only aids in easier installation but also ensures that the components remain vibration-free during operation 3.

By effectively reducing vibrations, the 4067902 Vibration Isolator contributes to the overall reliability and performance of the engine system, ensuring that all interconnected components function optimally 3.

Conclusion

The Cummins 4067902 Vibration Isolator is a critical component in the maintenance and performance of commercial trucks. By reducing engine vibrations, it enhances ride comfort, protects structural components, and ensures the longevity of various engine systems. Proper installation, regular maintenance, and timely troubleshooting are essential for maximizing the benefits of this part 3.


  1. Automobile Vehicle Safety, George Peters, Barbara J Peters, CRC Press, 2002

  2. Operation and Maintenance Manual, L9 CM2350 L148C, Bulletin Number 6320230

  3. Heavy Duty Truck Systems Fifth Edition, Sean Bennett, Ian Andrew Norman, Delmar Cengage Learning, 2011

SPECIFICATIONS

Package Dimensions
1.5 x 1.5 x 0.13 in
Weight
0.02 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.