3919359
Vibration Isolator
Cummins®

Introduction

The Cummins 3919359 Vibration Isolator is a critical component in commercial trucks, designed to mitigate the transmission of vibrations from the engine to the truck’s frame. Manufactured by Cummins, a leader in the automotive industry, this part plays a vital role in enhancing the vehicle’s performance and longevity ¹.

Basic Concepts of Vibration Isolators

Vibration isolators, like the 3919359, are essential in reducing the transmission of vibrations between two surfaces. They absorb or dampen vibrational energy, preventing noise, wear, and potential damage to mechanical systems. In heavy-duty trucks, these isolators are crucial for maintaining the integrity and efficiency of the vehicle’s components ².

Role of the 3919359 Vibration Isolator in Truck Operation

Positioned between the engine and the truck’s frame, the 3919359 effectively absorbs and dissipates engine vibrations. This not only contributes to a more comfortable ride but also protects other components from the adverse effects of excessive vibration, thereby maintaining the truck’s overall performance and durability ³.

Key Features

The 3919359 is characterized by its robust design and high-quality materials, engineered to withstand the demanding conditions of commercial truck operations. Its design enhances vibration dampening capabilities, ensuring effective performance under various operational scenarios. The materials used contribute to its durability and resistance to wear and tear ⁴.

Benefits

Utilizing the 3919359 in commercial trucks offers several advantages, including improved ride comfort by reducing engine vibrations transmitted to the cabin. It also reduces wear and tear on other components, potentially leading to lower maintenance costs and extended component lifespan. Additionally, it stabilizes the engine’s position and reduces vibrations, contributing to enhanced engine performance and efficiency.

Troubleshooting and Maintenance

Common issues with the 3919359 may include wear and tear or damage from external factors. Troubleshooting involves inspecting the isolator for damage or degradation and assessing its effectiveness in vibration isolation. Routine maintenance includes regular inspection for wear, ensuring secure mounting, and replacing it if significant degradation is observed.

Compatibility with Cummins Engines

This Vibration Isolator is engineered for compatibility with various Cummins engines, including:

6 Series Engines

• 6B5.9
• 6C8.3
• B4.5 RGT

F Series Engines

• F2.8 CM2620 F135B
• F4.5 CM2620 F139B
• F4.5 CM2620 F141C

ISB Series Engines

• ISB (Chrysler)
• ISB CM550
• ISB CM850

ISC and ISF Series Engines

• ISC CM554
• ISF2.8 CM2220 F117
• ISF2.8 CM2220 F129
• ISF3.8 CM2220 AN
• ISF3.8 CM2220 F103
• ISL CM554

L Series Engines

• L8.9 CM2670 L134C
• L9 CM2670 L128B

QSB Series Engines

• QSB5.9 44 CM550
• QSB5.9 CM850
• QSB6.7 CM850 (CM2850)

QSC and QSF Series Engines

• QSC8.3 CM2880 C102
• QSC8.3 CM554
• QSF2.8 CM2880 F104
• QSF2.8 CM2880 F105
• QSF2.8 CM2880 F108

Role in Engine Systems

The 3919359 is instrumental in maintaining the stability and efficiency of various engine components. It minimizes the transmission of vibrations between interconnected parts, enhancing the overall performance and longevity of the engine.

Integration with Key Components

• Campaign Kit: Reduces vibrational stress on kit components.
• Camshaft: Maintains precise timing for optimal engine operation.
• Fuel Line Kit and Fuel Plumbing: Reduces fuel line fatigue and potential leaks.
• Fuel Supply Tube: Ensures a consistent fuel supply.
• Injector and Injector Fuel Supply Tube: Allows for more accurate and consistent fuel delivery.
• Injector Plumbing: Improves durability and reliability.
• Performance Parts: Maintains the integrity and performance of these components.

Conclusion

The Cummins 3919359 Vibration Isolator is a vital component in commercial trucks, offering significant benefits in terms of ride comfort, component longevity, and engine performance. Its robust design and compatibility with various Cummins engines make it an essential part for maintaining the efficiency and durability of truck operations.