Buy 2004 Subaru Impreza Suspension Strut Mount. Suspension Top Hat (Left, Rear). Suspension Shock or Noise, SHOCK, Mounts - OEM Subaru Part # 20370AC211 (20370AC210)

Insulator between the Strut and Vehicle Body.

STRUT MOUNT-REAR,LEFT Suspension Strut Mount

Fits Forester, Impreza, Legacy, Outback

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.