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The Benefits of Upgrading Your Car's Rubber Bushings to Polyurethane

by:GJ Bush     2023-07-27

When it comes to upgrading your car's performance and comfort, one crucial component that often gets overlooked is the rubber bushings. These small but essential parts play a significant role in providing smooth ride quality, reducing noise and vibrations, and enhancing overall vehicle stability. While rubber bushings come as a standard in most vehicles, many enthusiasts choose to upgrade to polyurethane bushings for their numerous benefits. In this article, we will explore why upgrading your car's rubber bushings to polyurethane is a wise investment.

1. Introduction to Car Bushings

2. The Difference Between Rubber and Polyurethane Bushings

3. Improved Performance and Handling

4. Enhanced Durability and Longevity

5. Reduced Noise, Vibrations, and Harshness (NVH)

6. Easy Maintenance and Installation

7. Conclusion

Introduction to Car Bushings

Car bushings are small devices used to dampen vibrations, minimize noise, and provide cushioning between various components in your vehicle's suspension system. They are commonly found in control arms, sway bars, shock absorbers, and other suspension-related parts. These bushings are traditionally made from rubber, a material known for its flexibility and ability to absorb shocks. However, rubber bushings have their limitations, leading many car enthusiasts to switch over to polyurethane alternatives.

The Difference Between Rubber and Polyurethane Bushings

Rubber bushings, being the factory default option, have certain qualities that make them suitable for everyday driving conditions. They are cost-effective, flexible, and provide decent comfort. However, rubber can deteriorate over time due to exposure to heat, chemicals, and environmental factors. This degradation causes the rubber to lose its elasticity, leading to compromised performance and less precise handling.

On the other hand, polyurethane bushings are made of a synthetic material that offers superior performance and durability. Polyurethane can withstand extreme temperatures, friction, and oil, making it an ideal choice for high-performance vehicles. These bushings are engineered using a process that combines rubber-like elasticity with durable plastic, resulting in a stiffer and denser component that offers excellent handling characteristics.

Improved Performance and Handling

Upgrading your car's rubber bushings to polyurethane can significantly improve its performance and handling. Polyurethane bushings have a firmer composition and are less prone to compression compared to rubber. This characteristic helps reduce play between suspension components, ensuring precise wheel alignment and steering responsiveness. With less flex and movement, your vehicle will have improved stability during cornering, resulting in better traction and enhanced overall performance.

Enhanced Durability and Longevity

Polyurethane bushings are considerably more durable and long-lasting than their rubber counterparts. Unlike rubber, polyurethane is resistant to crumbling, cracking, and sagging, even under harsh conditions. This increased durability means that polyurethane bushings will maintain their performance characteristics for a more extended period, resulting in a more consistent and reliable driving experience. Moreover, these bushings are impervious to chemicals, oils, and environmental factors like UV rays, making them suitable for both street and track use.

Reduced Noise, Vibrations, and Harshness (NVH)

One of the most significant advantages of polyurethane bushings is their ability to reduce noise, vibrations, and harshness (commonly referred to as NVH). Due to their stiffer nature, polyurethane bushings provide better control over vibrations transmitted by the road surface, resulting in a smoother and quieter ride. By reducing unwanted NVH, the cabin becomes a more comfortable and enjoyable environment for both the driver and passengers.

Easy Maintenance and Installation

Another benefit of polyurethane bushings is their low maintenance requirements and easy installation process. Unlike rubber bushings that require periodic greasing to prevent squeaks and ensure smooth operation, polyurethane bushings are self-lubricating. This self-lubricating ability reduces friction and wear, resulting in a longer service life.

When it comes to installation, many polyurethane bushings are designed as direct replacements for OEM rubber bushings. This feature simplifies the installation process and allows for a hassle-free upgrade, making it an accessible option for DIY enthusiasts.


Upgrading your car's rubber bushings to polyurethane can offer a range of benefits, including improved performance and handling, enhanced durability, reduced NVH, and easy maintenance. While the choice between rubber and polyurethane bushings ultimately depends on your driving needs and preferences, polyurethane bushings have proven to be a popular option for enthusiasts seeking superior performance and longevity from their vehicle's suspension system. So, if you're looking to take your car's comfort and performance to the next level, consider upgrading to polyurethane bushings – it's a modification you won't regret.

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