Strut Spring.
RUBBER SEAT-FRONT STRUT SPRING,UPPER Suspension Strut Mount Cap SealSuspension Shock Absorber / Strut Mount BushingCoil Spring Insulator
Fits Crosstrek, Forester, Impreza, Outback, STI, WRX
For Manual Air Conditioning (A/C. Not For (A/C). Suspension Coil Spring
Your coil springs are not especially prone to failure, but if they have been cut, clamped, or heated to have the vehicle lowered, your Subaru might benefit from replacing the strut springs. Excessive rust can make the springs more prone to failure. Contact your local Subaru service department to have your suspension system evaluated.