5349843
Vibration Isolator
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$529.95 $630.64

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 5349843 Vibration Isolator, manufactured by Cummins, is a component designed to mitigate mechanical vibrations in commercial truck operations. Cummins, a well-established name in the industry, produces a range of parts and systems aimed at enhancing the performance and reliability of heavy-duty trucks. This part contributes to the overall efficiency and comfort of truck operations by addressing vibration-related issues.

Basic Concepts of Vibration Isolators

Vibration isolators are devices used to reduce the transmission of vibrations from a source to a structure. They function by absorbing, reflecting, or otherwise mitigating the vibrational energy, thereby protecting the structure from potential damage and ensuring smoother operation. In the context of heavy-duty trucks, vibration isolators play a specific role in maintaining the integrity of the vehicle’s components and enhancing driver comfort by minimizing the impact of engine and road vibrations 1.

Purpose of the 5349843 Vibration Isolator

The 5349843 Vibration Isolator is designed to reduce mechanical vibrations within a truck’s engine system. By doing so, it helps in maintaining the structural integrity of the engine components, reducing wear and tear, and contributing to the overall performance of the vehicle. Its function is integral to ensuring that the engine operates smoothly, which in turn enhances the truck’s efficiency and reliability.

Key Features

The 5349843 Vibration Isolator boasts several key features that contribute to its effectiveness. It is constructed from high-quality materials that offer durability and resistance to the harsh conditions encountered in commercial truck operations. The design of the isolator includes specific elements that maximize its vibration-dampening capabilities, ensuring that it can effectively reduce the transmission of vibrations. Additionally, any unique technological aspects incorporated into the isolator further enhance its performance, making it a reliable component for heavy-duty applications.

Benefits of Using the 5349843 Vibration Isolator

Incorporating the 5349843 Vibration Isolator into a truck’s engine system offers several advantages. It contributes to improved engine longevity by reducing the stress and wear on engine components caused by vibrations. Enhanced driver comfort is another benefit, as the isolator helps minimize the vibrations felt in the cabin. Additionally, by ensuring smoother engine operation, the isolator can potentially contribute to fuel efficiency gains, making it a valuable component for fleet operators looking to optimize their vehicle’s performance 2.

Installation Considerations

Proper installation of the 5349843 Vibration Isolator is crucial for its effective operation. Guidelines and best practices for installation include ensuring that the mounting surfaces are clean and free from any debris that could affect the isolator’s performance. Any preparatory steps, such as the alignment of components or the use of specific tools, should be followed to ensure that the isolator is securely and correctly installed. This attention to detail during installation helps in maximizing the isolator’s effectiveness and longevity.

Troubleshooting Common Issues

Common problems associated with vibration isolators can include reduced effectiveness over time due to wear or damage. Troubleshooting these issues may involve inspecting the isolator for signs of wear, such as cracks or deformation, and ensuring that it is properly mounted and aligned. Addressing these issues promptly can help in maintaining the isolator’s performance and preventing further complications.

Maintenance Tips

Regular maintenance of the 5349843 Vibration Isolator is key to ensuring its optimal performance and longevity. This includes periodic inspections to check for signs of wear or failure, such as cracks or excessive movement. Any signs of damage should be addressed promptly to prevent further deterioration. Additionally, following manufacturer recommendations for inspection intervals and maintenance procedures can help in identifying and addressing potential issues before they become critical.

Cummins: A Brief 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 spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing reliable, high-performance products. The company’s extensive product range and commitment to innovation and quality make it a preferred choice for fleet operators and manufacturers alike.

Cummins Engine Vibration Isolators

The Cummins Vibration Isolators, specifically part number 5349843, are integral components designed to mitigate the transmission of vibrations and noise from the engine to the vehicle’s chassis. This part is meticulously engineered to enhance the operational smoothness and longevity of the engine by reducing the mechanical stress on engine mounts and other related components.

Application Across Cummins Engines

The 5349843 Vibration Isolator is compatible with a range of Cummins engines, including:

  • QSB6.7 M CM2250
  • QSC8.3 CM850 (CM2850)
  • QSM11 CM570

These engines, while differing in their specific configurations and applications, share a common requirement for effective vibration management. The isolator’s design ensures that it can be seamlessly integrated into the engine mounting systems of these engines, providing a consistent performance enhancement across the board.

Integration and Functionality

When installed, the 5349843 Vibration Isolator is positioned between the engine and the vehicle’s chassis, acting as a buffer that absorbs and dampens the vibrations generated during engine operation. This not only improves the overall driving experience by reducing noise and harshness but also contributes to the protection of the engine and its components from the detrimental effects of excessive vibration.

The isolator’s material composition and structural design are critical to its effectiveness. It is crafted to withstand the operational stresses and environmental conditions encountered in various applications, ensuring reliability and durability over the engine’s lifespan.

Compatibility and Installation

The installation of the 5349843 Vibration Isolator is straightforward, designed to fit into the existing engine mounting architecture of the specified Cummins engines. Technicians and mechanics can expect a hassle-free integration process, with the isolator providing immediate benefits upon installation.

Role of Part 5349843 Vibration Isolator in Engine Systems

In the orchestration of engine systems, the Part 5349843 Vibration Isolator assumes a significant role by mitigating the transmission of vibrations from the engine to other components. This is particularly important in maintaining the integrity and longevity of the engine’s ancillary systems.

When the engine operates, it generates vibrations that, if not properly managed, can be transmitted through the mounting system to the vehicle’s frame and other sensitive components. The Vibration Isolator, positioned between the engine and its mounts, acts as a buffer. It absorbs and dampens these vibrations, ensuring that the engine’s pulsating force does not adversely affect the precision and operation of adjacent systems.

For instance, in conjunction with the engine mounts, the Vibration Isolator helps in stabilizing the engine within the vehicle’s chassis. This stabilization is essential for the consistent operation of the fuel injection system, where precise fuel delivery is paramount. Similarly, the alternator, which relies on a stable engine speed for consistent power generation, benefits from the reduced vibrational impact facilitated by the isolator.

Moreover, the transmission system, which is directly connected to the engine, also experiences less wear and tear due to the Vibration Isolator’s role in minimizing vibrational energy transfer. This is particularly beneficial in automatic transmissions, where smooth operation is key to driver comfort and vehicle performance.

Conclusion

In summary, the Cummins 5349843 Vibration Isolator is a vital component for maintaining engine performance and vehicle comfort across the QSB6.7 M CM2250, QSC8.3 CM850 (CM2850), and QSM11 CM570 engines. Its role in vibration management is crucial for the longevity and efficiency of these engines, making it an essential part of the engine’s maintenance and operational strategy.


  1. Maclaurin, Bruce. High Speed Off-Road Vehicles. Wiley, 2018.

  2. Sully, F. K. Motor Vehicle Mechanics Textbook, Fifth Edition. Heinemann Professional Publishing, 1998.

SPECIFICATIONS

Package Dimensions
7.75 x 7.75 x 4.63 in
Weight
4.25 lbs
* 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.