Buy OEM 2011 Subaru Part # 20250AL03A. Suspension Control Arm. Suspension Trailing Arm Bushing (Left, Rear). Trailing Arm Trailing arms often don’t fail on their own, although

Arm connected between the Axle and a Forward Pivot Point. Mechanical Device used to Reduce Vibrations. Suspension Component that connects and provides pivotal movement of the Steering Knuckle to the vehicle.

TRAILING ARM-REAR,LEFT Suspension Control ArmSuspension Trailing ArmSuspension Trailing Arm Bushing

Fits Legacy, Outback

Trailing Arm
Trailing arms often don’t fail on their own, although their associated bushings can break or wear causing a clunk noise from the rear when your 2011 goes over bumps or changes speed rapidly—whether braking or under hard acceleration.