Buy Subaru WRX Base Suspension Strut Mount. Suspension Top Hat (Left, Rear). STRUT MOUNTING Complete - OEM Subaru Part # 20370AA230

Insulator between the Strut and Vehicle Body.

STRUT MOUNT-REAR,LEFT Suspension Strut Mount

Fits Legacy

STRUT MOUNTING Complete 2WD R LEFT HAND (LH).
Suspension Shock or Strut Mount
Strut mounts or strut bearings are often service with the strut assembly, and when they fail they can make a squeaking noise while turning or a metallic clunk noise when going over bumps. If your Subaru is noisier than usual on bumpy roads or under braking, you may need new strut mounts.