3349409
Vibration Isolator
Cummins®

AVAILABLE

Cummins®

More than 10 are currently available

Ships within 2-4 business days

$49.95 $59.44

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 3349409 Vibration Isolator is a component manufactured by Cummins, a well-established name in the commercial truck industry. This part is designed for use in commercial trucks, where it plays a role in mitigating the vibrations produced by the engine and drivetrain. By doing so, it contributes to a smoother operation of the vehicle and enhances the overall driving experience 1.

Basic Concepts of Vibration Isolators

Vibration isolators are devices used in mechanical systems to reduce the transmission of vibrations from a source to other parts of the system. They function by absorbing or dampening the vibrations, thereby minimizing their impact on connected components 2. In the context of heavy-duty trucks, vibration isolation is particularly important due to the high levels of vibration generated by powerful engines and rough road conditions. Effective vibration isolation helps maintain the integrity of the truck’s components and contributes to a more comfortable ride for the driver and passengers.

Purpose of the 3349409 Vibration Isolator

The 3349409 Vibration Isolator serves to reduce the vibrations transmitted from the engine or drivetrain to the truck’s frame and cabin. By isolating these vibrations, it helps in maintaining the structural integrity of the truck and enhances the comfort levels inside the cabin. This is particularly beneficial in heavy-duty trucks, where the engine and drivetrain generate significant vibrations during operation 3.

Key Features

The 3349409 Vibration Isolator is characterized by several key features that enhance its performance. It is constructed from durable materials that can withstand the harsh conditions typical of commercial truck operations. The design incorporates elements that maximize vibration absorption and ensure a secure fit within the truck’s engine system. Additionally, it may feature unique characteristics such as a specific mounting configuration or a specialized damping mechanism that further improves its effectiveness.

Benefits

Utilizing the 3349409 Vibration Isolator offers several advantages. It contributes to improved ride comfort by reducing the vibrations felt inside the truck’s cabin. This not only enhances the driving experience but also reduces fatigue for the driver during long hauls. Furthermore, by minimizing vibrations, it helps in reducing wear and tear on various truck components, potentially extending their lifespan. The enhanced driver and passenger experience is a direct result of the smoother ride provided by effective vibration isolation 4.

Installation Considerations

When installing the 3349409 Vibration Isolator, it is important to follow guidelines and best practices to ensure proper functionality. Preparatory steps may include cleaning the mounting area and inspecting the isolator for any damage. The tools required for installation will depend on the specific design of the isolator but may include standard hand tools. Alignment considerations are crucial to ensure that the isolator is correctly positioned and can perform its function effectively.

Troubleshooting Common Issues

Common problems associated with vibration isolators can include signs of wear or failure, such as cracks in the isolator material or excessive movement. Troubleshooting steps may involve inspecting the isolator for damage, checking the mounting hardware for tightness, and ensuring that the isolator is correctly aligned. Addressing these issues promptly can help maintain the effectiveness of the vibration isolation system.

Maintenance Tips

Regular maintenance of the 3349409 Vibration Isolator is recommended to ensure longevity and optimal performance. This may include periodic inspections for signs of wear or damage, cleaning the isolator to remove any debris, and checking the mounting hardware for tightness. Following manufacturer-recommended inspection intervals and maintenance procedures can help in identifying potential issues before they lead to failure.

Cummins: A Brief 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 engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications. Cummins’ commitment to quality is evident in its rigorous testing and validation processes, ensuring that its products deliver reliable performance in the field.

Cummins Vibration Isolator 3349409 Compatibility with Engine Models

The Cummins Vibration Isolator part number 3349409 is designed to be compatible with a range of Cummins engine models. This part is crucial for reducing the transmission of vibrations from the engine to the vehicle’s chassis, thereby enhancing the overall operational comfort and longevity of the engine.

Engine Models Compatible with 3349409

  • K19 Series

    • K19
    • QSK19 CM2350 K114
    • QSK19 CM500
    • QSK19 CM850 MCRS
  • KTA19GC CM558

  • QST30 Series

    • QST30 CM2350 T101
    • QST30 CM552

The vibration isolator part number 3349409 is engineered to fit seamlessly within these engine models, ensuring that the vibrations are effectively managed. This compatibility is achieved through precise engineering and adherence to Cummins’ stringent quality standards, making it a reliable choice for maintaining engine performance and reducing wear and tear.

Role of Part 3349409 Vibration Isolator in Engine Systems

The Part 3349409 Vibration Isolator is an essential component in maintaining the stability and efficiency of various engine systems. It works in conjunction with several key components to ensure smooth operation and reduce unwanted vibrations.

Integration with Guard Components

  1. Alternator Guard Bracket: The Vibration Isolator helps in stabilizing the alternator guard bracket, ensuring that the alternator remains securely in place and operates efficiently without excessive movement.

  2. Belt Guard Mounting and Bracket Belt Guard Mounting: These components are designed to protect the engine’s belt system. The Vibration Isolator minimizes the transmission of vibrations to the belt guard mounting, thereby prolonging the life of the belts and reducing the risk of belt failure.

  3. Damper & Alternator Guard: By isolating vibrations, this part enhances the performance of the damper and alternator guard. It ensures that the damper can effectively absorb shocks and vibrations, while the alternator guard remains stable, protecting the alternator from physical damage.

  4. Damper Guard: The Vibration Isolator works with the damper guard to provide a stable environment for the damper. This stability is vital for the damper’s ability to manage engine vibrations effectively.

Front Engine Guard and Guard Package

  1. Front Engine Guard: This component is often subjected to various stresses and vibrations. The Vibration Isolator plays a significant role in reducing these vibrations, thereby enhancing the durability and effectiveness of the front engine guard.

  2. Guard Package: As part of a comprehensive guard package, the Vibration Isolator contributes to the overall stability and protection of the engine. It ensures that all guards within the package operate in a vibration-free environment, leading to improved engine performance and longevity.

Vibration Damper

The Vibration Isolator is particularly important when paired with a vibration damper. Together, they form a robust system that significantly reduces engine vibrations. This collaboration ensures that the engine operates smoothly, with minimal wear and tear on both the engine components and the surrounding guards and mounts.

Conclusion

In summary, the Part 3349409 Vibration Isolator is a key player in the engine’s vibration management system. Its effective integration with various guards and mounts not only enhances the performance of these components but also contributes to the overall stability and efficiency of the engine system. Regular maintenance and proper installation are crucial to ensure the longevity and optimal performance of this part.


  1. Ling, Frederick F. The Automotive Body. Springer Science, 2011.

  2. Sheng, Gang. Vehicle Noise, Vibration and Sound Quality. SAE International, 2012.

  3. Hilgers, Michael. The Drivers Cab. Springer Vieweg, 2022.

  4. Cummins Inc. Operation and Maintenance Manual. Bulletin Number 5677154, B6.7 CM2450 B181B.

SPECIFICATIONS

Service Part Topic
02T9-1
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
5.5 x 4.0 x 0.15 in
Weight
0.05 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.