Rear Suspension Control Arm Assembly (No.2) – Right/Left Side

This suspension arm is a key link between the rear wheel hub and the vehicle’s suspension cradle. It keeps the wheel aligned while the suspension moves up and down, helping the car stay stable in corners and smooth over bumps ?.

Why this part is needed

Rear suspension geometry depends on solid mounting points. This arm holds critical angles (toe/camber behavior) so the tires contact the road correctly, reducing uneven wear and keeping steering feel predictable.

How it works

The arm pivots through its bushings as the suspension travels. Those bushings absorb vibration and allow controlled movement, while the arm’s rigid body resists side-loads from braking, accelerating, and cornering.

What happens if it’s worn or broken

A damaged arm or torn bushings can cause rear-end wandering, clunks over bumps, unstable braking, and rapid inside/outside tire wear. In severe cases, wheel alignment can’t be held, making the vehicle unsafe at speed ⚠️.

Compatible Models

• Lexus Rx Series
• Lexus Rx270/350/450H
• Lexus Rx350/450H
• Lexus Rx450H/350
• Lexus Rx450Hl
• Lexus Rx450Hl/350L