Rear Coil Spring Upper Rubber Seat – Quiet, Safe Suspension Comfort ️

This upper spring cushion sits on top of the rear coil spring and isolates the spring from the body perch. It keeps road noise, vibration, and harshness down, centers the coil, and protects metal surfaces from rubbing. Built from durable, oil‑resistant rubber, it prevents squeaks and maintains correct rear ride height and alignment.

Why this part is needed ✅

Without a healthy insulator, every bump sends vibration into the cabin. The cushion also stops the spring from cutting into the mount, extending the life of the chassis and spring.

How it works ⚙️

The rubber pad compresses slightly under load, spreading force evenly across the spring end. Its molded shape locks the coil in place, stabilizing the suspension through travel and cornering.

What happens if it fails ⚠️

Expect clunks, squeaks, and “tinny” rattles over bumps, rear-end sag, uneven tire wear, and wandering on the highway. In severe cases, the coil can shift, chip paint, and cause rust at the seat.

Tech tip

Replace insulators in pairs. Inspect the spring, lower seat, and bump stop. Torque with the suspension loaded at ride height for best NVH results.

Compatibility

• Qx4