What is the main benefit of using polyurethane bushings over rubber?

Polyurethane bushings, like these from Energy Suspension, are more durable and resist degradation better than stock rubber. They also offer a firmer connection for improved suspension response and alignment stability.

Do these bushings come with new control arms, or do they fit the stock ones?

This set is designed to fit into your vehicle's existing stock control arms. You will be pressing out the old rubber bushings and installing these new polyurethane ones.

Will these bushings make my ride significantly harsher?

While polyurethane offers a firmer feel than stock rubber, the full-floating design helps maintain smoother operation. Many drivers find the improved handling and control outweigh any minor increase in road feel.

Energy Suspension 01-05 Lexus IS300 Rear Control Arm Bushing Set - Black

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Specifications

Brand: Energy Suspension
Part #: 8.3140G
UPC: 703639127642

Energy Suspension 01-05 Lexus IS300 Rear Control Arm Bushing Set - Black

Name: Energy Suspension 01-05 Lexus IS300 Rear Control Arm Bushing Set - Black
Brand: Energy Suspension
Price: 152.22 USD
Availability: InStock

$152.22

On Backorder — Expected to ship by Apr 5, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2001-2005 Lexus IS300. Energy Suspension rear control arm bushings improve handling and alignment.

Key Features

Fits 2001-2005 Lexus IS300 rear control arms.
Made from Energy Suspension's Hyper-Flex performance polyurethane.
Improves vehicle handling, cornering, and overall control.
Maintains better alignment while driving, especially during cornering.
Full floating and non-binding design for smoother operation.
Outlasts and outperforms stock rubber bushings.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits this vehicle

Lexus IS300 2001-2005

Product Details

Energy Suspension is well-known for making tough polyurethane suspension components that hold up to daily driving and more demanding use. This rear control arm bushing set is made specifically for your 2001-2005 Lexus IS300, replacing the stock rubber bushings with their Hyper-Flex performance polyurethane. These bushings are designed to keep your suspension geometry stable, which is key for predictable handling.

When you replace worn-out rubber bushings with these polyurethane ones, you'll notice an improved feel in how the car corners and responds to steering inputs. Because they maintain better alignment under load, you get more consistent control, whether you're on the street or pushing the car a bit harder. They're built to last longer than rubber and offer a full-floating design for smoother operation.

This set fits into your existing stock control arms, making it a straightforward replacement for the rear suspension. If your IS300's handling feels a bit vague or imprecise, these bushings are a solid option to tighten things up.