4385971
Vibration Isolator
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$144.95 $172.49

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 4385971 Vibration Isolator is designed to mitigate the transmission of vibrations from the engine to the truck’s chassis. This component enhances operational efficiency and comfort in commercial trucks by reducing the impact of engine vibrations.

Basic Concepts of Vibration Isolators

Vibration isolators reduce the transmission of vibrations between two surfaces by absorbing or dampening vibrational energy, minimizing its impact on connected components. In commercial trucks, these devices are important for maintaining component integrity, enhancing ride comfort, and ensuring efficient operation 1.

Purpose of the 4385971 Vibration Isolator

The Cummins 4385971 Vibration Isolator reduces the transmission of engine vibrations to the truck’s chassis. This helps maintain the truck’s structural integrity, enhances ride comfort, and contributes to the longevity of truck components by minimizing wear and tear caused by excessive vibrations 2.

Key Features

The Cummins 4385971 Vibration Isolator features a robust design and high-quality materials, engineered to withstand the demanding conditions of commercial truck operations. Its unique characteristics include specific vibration dampening properties and compatibility with certain truck models, ensuring optimal performance and integration within the truck’s mechanical system.

Benefits of Using the 4385971 Vibration Isolator

Utilizing the Cummins 4385971 Vibration Isolator offers several advantages, including improved ride comfort by reducing engine vibrations transmitted to the truck’s cabin. It also reduces wear on truck components, enhancing overall performance and longevity. Additionally, it aids in maintaining the truck’s structural integrity by minimizing the impact of vibrations on the chassis and other critical components 3.

Installation and Integration

Proper installation of the Cummins 4385971 Vibration Isolator is important for ensuring its effective operation. It should be integrated into the truck’s system according to the manufacturer’s guidelines to ensure compatibility and optimal performance. Careful attention to these guidelines during installation can help prevent issues and ensure the isolator functions as intended.

Troubleshooting and Maintenance

Regular maintenance and timely troubleshooting are important for ensuring the longevity and optimal performance of the Cummins 4385971 Vibration Isolator. Common issues may include signs of wear or failure, such as cracks or excessive movement, which should be addressed promptly. Maintenance tips include periodic inspections for damage and ensuring the isolator remains securely attached and functions within its designed parameters.

Manufacturer Information - Cummins

Cummins is a well-established manufacturer in the commercial truck industry, known for its range of high-quality products designed to enhance the performance and reliability of commercial vehicles. With a strong reputation for innovation and durability, Cummins continues to be a preferred choice for truck manufacturers and operators seeking reliable and efficient components for their vehicles.

Cummins Vibration Isolator 4385971 in Engine Applications

The Cummins Vibration Isolator part number 4385971 is designed to mitigate the adverse effects of engine vibrations in various Cummins engine models. This part enhances the operational efficiency and longevity of the engines by reducing the transmission of vibrations from the engine to the vehicle or machinery it powers.

QSK95 and CM2350 Engines

In the QSK95 and CM2350 engines, the vibration isolator 4385971 plays a pivotal role in maintaining structural integrity and operational smoothness. These engines benefit significantly from the dampening properties of this isolator, which helps to prevent wear and tear on engine components, ensuring sustained performance and reducing the likelihood of mechanical failures.

K113 Engine

The K113 engine incorporates the Cummins Vibration Isolator 4385971 to manage the inherent vibrations produced during its operation. This engine relies on the isolator to maintain a stable and smooth running environment. The isolator’s ability to isolate vibrations is crucial in this context, as it helps to protect the engine from the stresses of continuous high-load operations, thereby extending the engine’s service life and maintaining its efficiency.

Grouping of Engines

The QSK95 and CM2350 engines, while differing in specific applications and capacities, share a common need for effective vibration management. The use of the Cummins Vibration Isolator 4385971 in these engines underscores the importance of vibration control in achieving optimal engine performance. Similarly, the K113 engine, with its distinct design and application focus, also benefits from this isolator, highlighting the universal need for vibration mitigation across different engine types.

By integrating the Cummins Vibration Isolator 4385971 into their design, these engines are better equipped to handle the rigors of their respective applications, ensuring reliability and performance in demanding environments.

Role of Part 4385971 Vibration Isolator in Engine Systems

The Part 4385971 Vibration Isolator is an essential component in mitigating the mechanical vibrations generated by various engine systems. When integrated with the Automatic Ignition Device (AID), it ensures that the ignition process remains stable and unaffected by engine vibrations, which could otherwise lead to inconsistent ignition timing.

In conjunction with the Coolant Heater Starting System, the Vibration Isolator helps maintain the structural integrity of the heating elements. This is particularly important during cold starts when the engine and its components are under additional stress. By reducing vibrations, the isolator prolongs the lifespan of the heating elements and ensures reliable performance in low-temperature conditions.

When paired with the Control Panel, the Vibration Isolator plays a role in preserving the accuracy of sensor readings and the responsiveness of control inputs. Vibrations can interfere with the delicate mechanisms within the control panel, leading to erroneous data or delayed responses. The isolator minimizes these disruptions, allowing for precise control over engine operations.

Lastly, in the Engine Heater system, the Vibration Isolator contributes to the efficient and safe operation of the heating coils. By isolating vibrations, it prevents undue stress on the heater components, ensuring they function optimally and extend their operational life. This is particularly beneficial in environments where the engine heater is frequently used to precondition the engine for start-up.

Conclusion

The Cummins 4385971 Vibration Isolator is a vital component in the maintenance and enhancement of commercial truck performance. By effectively reducing engine vibrations, it contributes to improved ride comfort, enhanced component longevity, and overall operational efficiency. Proper installation, regular maintenance, and understanding its role within various engine systems are key to maximizing the benefits of this isolator.


  1. Daniel Williams, Generalized Vehicle Dynamics, SAE International, 2022.

  2. Owen C Duffy and Gus Wright, Fundamentals of Medium-Heavy Duty Commercial Vehicle Systems, Jones Bartlett Learning, 2016.

  3. Robert Bosch GmbH, Bosch Automotive Handbook 9th Edition, Robert Bosch GmbH, 2014.

SPECIFICATIONS

Notes
Component of P/N 4383213.
Package Dimensions
3.3 x 1.7 x 1.7 in
Weight
0.095 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.